<?xml version="1.0" encoding="utf-8"?>
<!--
    *****************************************************************************
    * This XML file was generated by ET_Redux.                                  *
    * For more info, visit https://CIRDLES.org                                  *
    *****************************************************************************
-->
<Aliquot  xmlns="https://raw.githubusercontent.com/EARTHTIME/Schema"
        xmlns:xs="http://www.w3.org/2001/XMLSchema"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="https://raw.githubusercontent.com/EARTHTIME/Schema
                            https://raw.githubusercontent.com/EARTHTIME/Schema/master/AliquotXMLSchema.xsd">
  <keyWordsCSV></keyWordsCSV>
  <mySESARSampleMetadata>
    <stratigraphicFormationName>NONE</stratigraphicFormationName>
    <stratigraphicGeologicAgeMa>NONE ( 0 Ma - 0 Ma )</stratigraphicGeologicAgeMa>
    <stratigraphicMinAbsoluteAgeMa>0.0</stratigraphicMinAbsoluteAgeMa>
    <stratigraphicMaxAbsoluteAgeMa>0.0</stratigraphicMaxAbsoluteAgeMa>
    <detritalType>NONE</detritalType>
  </mySESARSampleMetadata>
  <analysisPurpose>NONE</analysisPurpose>
  <sampleIGSN>SSR.IECAR000H</sampleIGSN>
  <aliquotIGSN>10.58052/IECAR000H</aliquotIGSN>
  <aliquotName>zircon</aliquotName>
  <laboratoryName>RIGL</laboratoryName>
  <analystName>MassSpec</analystName>
  <aliquotComment>NONE</aliquotComment>
  <aliquotReference>NONE</aliquotReference>
  <aliquotInstrumentalMethod>ID-TIMS</aliquotInstrumentalMethod>
  <aliquotInstrumentalMethodReference>NONE</aliquotInstrumentalMethodReference>
  <calibrationUnct206-238>0.0000</calibrationUnct206-238>
  <calibrationUnct208-232>0.0000</calibrationUnct208-232>
  <calibrationUnct207-206>0.0000</calibrationUnct207-206>
  <analysisImages/>
  <mineralStandardModels/>
  <sampleDateModels>
    <SampleDateModel>
      <name>weighted mean 206Pb/238U (Th-corrected)</name>
      <value>207331017.2066218554973602294921875</value>
      <uncertaintyType>ABS</uncertaintyType>
      <oneSigma>58214.497359575369046069681644439697265625</oneSigma>
      <meanSquaredWeightedDeviation>1.627226628178718659256674072821624577045440673828125</meanSquaredWeightedDeviation>
      <internalTwoSigmaUnct>116428.99471915073809213936328887939453125</internalTwoSigmaUnct>
      <internalTwoSigmaUnctWithTracerCalibrationUnct>154819.75703604376758448779582977294921875</internalTwoSigmaUnctWithTracerCalibrationUnct>
      <internalTwoSigmaUnctWithTracerCalibrationAndDecayConstantUnct>270449.1713750204653479158878326416015625</internalTwoSigmaUnctWithTracerCalibrationAndDecayConstantUnct>
      <includedFractionsVector>
        <fractionID>z01</fractionID>
        <fractionID>z02</fractionID>
        <fractionID>z05</fractionID>
        <fractionID>z08</fractionID>
        <fractionID>z09</fractionID>
        <fractionID>z12</fractionID>
        <fractionID>z18</fractionID>
        <fractionID>z19</fractionID>
      </includedFractionsVector>
      <explanation>Explanation</explanation>
      <comment>Comment</comment>
      <preferred>true</preferred>
    </SampleDateModel>
  </sampleDateModels>
  <pbBlanks>
    <PbBlankICModel>
      <modelName>20250504_RIGL</modelName>
      <versionNumber>1</versionNumber>
      <minorVersionNumber>0</minorVersionNumber>
      <labName>No Lab</labName>
      <dateCertified>2025-05-04</dateCertified>
      <reference>No reference</reference>
      <comment>No comment</comment>
      <ratios>
        <ValueModel>
          <name>r206_204b</name>
          <value>18.62</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.33</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_204b</name>
          <value>15.74</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.18</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_204b</name>
          <value>38.28</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.49</oneSigma>
        </ValueModel>
      </ratios>
      <rhos>
        <entry>
          <string>rhoR207_204b__r208_204b</string>
          <big-decimal>0.93899999999999994582111639829236082732677459716796875</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_204b__r207_204b</string>
          <big-decimal>0.67000000000000003996802888650563545525074005126953125</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_204b__r208_204b</string>
          <big-decimal>0.786000000000000031974423109204508364200592041015625</big-decimal>
        </entry>
      </rhos>
    </PbBlankICModel>
  </pbBlanks>
  <tracers>
    <TracerUPbModel>
      <modelName>ET535</modelName>
      <versionNumber>3</versionNumber>
      <minorVersionNumber>0</minorVersionNumber>
      <tracerType>mixed 205-233-235</tracerType>
      <labName>EARTHTIME</labName>
      <dateCertified>2012-07-09</dateCertified>
      <reference>No reference</reference>
      <comment>EARTHTIME-supplied model</comment>
      <ratios>
        <ValueModel>
          <name>r204_205t</name>
          <value>0.00009</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000009</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_205t</name>
          <value>0.000388739872278295</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00016886001521521</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_205t</name>
          <value>0.000296068587594844</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000140143894670955</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_205t</name>
          <value>0.000744376162255465</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000347037829188955</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r233_235t</name>
          <value>0.9950621757</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0000538364810724104</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235t</name>
          <value>0.0030799297</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000000395548132250173</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb205t</name>
          <value>0.0000000000103116</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000000000000025779</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU235t</name>
          <value>0.00000000103356161714094</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000259506527095644</oneSigma>
        </ValueModel>
      </ratios>
      <rhos>
        <entry>
          <string>rhoR206_205t__concU235t</string>
          <big-decimal>-0.000625524583951292</big-decimal>
        </entry>
        <entry>
          <string>rhoR204_205t__r207_205t</string>
          <big-decimal>0.989936347334727</big-decimal>
        </entry>
        <entry>
          <string>rhoR207_205t__concU235t</string>
          <big-decimal>-0.000637072197103421</big-decimal>
        </entry>
        <entry>
          <string>rhoR233_235t__concU235t</string>
          <big-decimal>0.0329317147303595</big-decimal>
        </entry>
        <entry>
          <string>rhoR204_205t__r206_205t</string>
          <big-decimal>0.981367466390299</big-decimal>
        </entry>
        <entry>
          <string>rhoR238_235t__concU235t</string>
          <big-decimal>-0.0213714959352477</big-decimal>
        </entry>
        <entry>
          <string>rhoR233_235t__r238_235t</string>
          <big-decimal>-0.593855080520382</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_205t__r208_205t</string>
          <big-decimal>0.988226606955946</big-decimal>
        </entry>
        <entry>
          <string>rhoR208_205t__concU235t</string>
          <big-decimal>-0.000564938004436441</big-decimal>
        </entry>
        <entry>
          <string>rhoR204_205t__r208_205t</string>
          <big-decimal>0.975476664128529</big-decimal>
        </entry>
        <entry>
          <string>rhoConcPb205t__concU235t</string>
          <big-decimal>0.995699056887309</big-decimal>
        </entry>
        <entry>
          <string>rhoR204_205t__concU235t</string>
          <big-decimal>-0.000601507547689546</big-decimal>
        </entry>
        <entry>
          <string>rhoR207_205t__r208_205t</string>
          <big-decimal>0.992617413594994</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_205t__r207_205t</string>
          <big-decimal>0.992109313058621</big-decimal>
        </entry>
      </rhos>
    </TracerUPbModel>
  </tracers>
  <alphaPbModels>
    <ValueModel>
      <name>20240419_Pb_Daly</name>
      <value>0.0014119999999999998</value>
      <uncertaintyType>ABS</uncertaintyType>
      <oneSigma>0.00019800000000000002</oneSigma>
    </ValueModel>
  </alphaPbModels>
  <alphaUModels/>
  <analysisFractions>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SH24-076</sampleName>
      <fractionID>z01</fractionID>
      <grainID>z01</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 4:03 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>20250504_RIGL v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>20240419_Pb_Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-09-01</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
        <ratios>
          <ValueModel>
            <name>r206_204c</name>
            <value>17.89</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r207_204c</name>
            <value>15.59</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.1</oneSigma>
          </ValueModel>
        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0014119999999999998</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00019800000000000002</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000765390968744081</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>fractionMass</name>
          <value>0.1</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002060</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235b</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.991419366261415</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00633452954101300</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.155841977589784</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0184196329304052</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.154504740977077</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0173895271231022</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>3.50000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.5</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00500</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000008000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000004000</oneSigma>
        </ValueModel>
      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.00074374433796582</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.6606032842622</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>688.46169009768</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.65902632492295</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.5109511213045</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0431144139064734</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>14.375979865174</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.122359726857373</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>11.505826311226</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.119675369495477</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>47.890162308314</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.649403042729623</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.03554466583843</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.132003928826263</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>59.83720812735</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.653833991583718</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.044410518491508</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.101753459767732</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.995366669431838</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.006334529541013</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.155841977589784</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0184196329304052</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.155119896454828</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0173895271231022</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.0326490516675150</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000024083579310399998</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.0326653909382642</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000024078361756395936</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0502384850173543</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00027185468990609805</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0502374520474057</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0002718569891252376</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0502133556622433</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0002717421185494594</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0502123232089875</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00027174441601360045</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.226055263878956</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0013060526061214393</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.226050615882619</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00130606087676898</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.0378039924550835</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.5415977049683197</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.5415942752937871</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.5413021956063258</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.5412987678031101</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.44192366326281807</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.4419227289282113</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.44166779752551316</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.44166686440971753</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>207106497.3581998</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>150344.13382926307</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>207208496.070369</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>150309.18443718227</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>205007195.793397</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>12560491.87494305</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>204959490.146252</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>12560965.63640019</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>203846250.535308</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>12564235.10354238</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>203798534.778498</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>12564709.01805822</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>206937008.754100</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1081634.508645253</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>206933159.412396</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1081645.4586895762</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>206970570.19584733</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>184766.0132556057</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>-1.024013599463000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
          <value>0.00000000000129062128345648</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_r</name>
          <value>0.0000000000530058345233463</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_rib</name>
          <value>0.0000000000542964558068028</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_ib</name>
          <value>0.00000000000513468429160792</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_r</name>
          <value>0.0000000000577050248487604</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_rib</name>
          <value>0.0000000000628397091403684</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU</name>
          <value>0.00000000188977319023574</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.00000000000628397091403683528737488741072246253364240441993600000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.000000000188977319023574019614336481975</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>11.2382809870264</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.119258737033978</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.00000000000051346842916079225987226605056771586674635759711792000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.00000000000577050248487604302750262136015474666689604682281808000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>783.343665629822</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0502384850173543</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>4.42369703248965</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>30.6287609877189</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>609.667289472174</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SH24-076</sampleName>
      <fractionID>z02</fractionID>
      <grainID>z02</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 4:03 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>20250504_RIGL v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>20240419_Pb_Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-09-01</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
        <ratios>
          <ValueModel>
            <name>r206_204c</name>
            <value>17.89</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r207_204c</name>
            <value>15.59</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.1</oneSigma>
          </ValueModel>
        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0014119999999999998</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00019800000000000002</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000814333576785394</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>fractionMass</name>
          <value>0.1</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002060</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235b</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.991850540124480</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00376437944784128</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.10905988545416</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0120615265681799</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.108171108245397</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0131364366877179</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>3.50000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.5</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00600</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000008000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000004000</oneSigma>
        </ValueModel>
      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.00046495103849578</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.632982816569338</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>761.349150155864</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.636515857014418</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.353165708773644</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.029701233302533</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>14.9707225608814</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.072387848090734</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>12.1932440764661</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.107035207939968</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>50.8573977347356</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.640637788283742</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.0235911473380407</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0787470171123959</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>62.4469435408491</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.658232163639487</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.0289657183681898</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.096473143165312</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.995801284291204</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00376437944784128</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.10905988545416</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0120615265681799</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.108601975959453</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0131364366877179</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.0326467805681476</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020641389545152335</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.0326630791456337</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00002063659170264133</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0504475533885608</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00022864803546860497</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0504465203467527</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0002286506841087047</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0504223805212319</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00022855512710321963</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0504213479949021</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00022855777380907782</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.226980206920993</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0011057594929388408</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.226975558924656</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0011057692616881318</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.0404729786668896</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.5784810367438807</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.5784759262417049</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.5781907145211043</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.5781856065837356</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.48225963774297326</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.4822569082849364</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.4820049197479224</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.48200219269630584</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>207092319.7794312</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>128856.20601958646</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>207194064.687647</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>128824.22167393497</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>214633967.730382</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>10503982.325770963</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>214586539.802515</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>10504409.693785682</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>213477864.214551</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>10507167.35797466</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>213430426.297352</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>10507594.85668025</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>207702730.689881</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>915067.2877808469</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>207698884.249959</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>915078.838338461</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>206979979.92742285</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>156545.09484168253</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>3.5137252647840000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
          <value>0.000000000000888144871149420</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_r</name>
          <value>0.0000000000441317367238496</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_rib</name>
          <value>0.0000000000450198815949990</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_ib</name>
          <value>0.00000000000353344825241822</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_r</name>
          <value>0.0000000000481724042908183</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_rib</name>
          <value>0.0000000000517058525432366</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU</name>
          <value>0.00000000157350177325675</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.00000000000517058525432365522026668879422271603037326397492480000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.000000000157350177325674667768723547775</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>13.6332559159032</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.127678537140415</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.00000000000035334482524182178724608512936822121074312875627001600</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.00000000000481724042908183343302060366485449481963013521865478400</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>943.843985963696</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0504475533885608</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>4.40567049244112</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>30.6308917019422</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>607.182898762497</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SH24-076</sampleName>
      <fractionID>z05</fractionID>
      <grainID>z05</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 4:03 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>20250504_RIGL v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>20240419_Pb_Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-09-01</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
        <ratios>
          <ValueModel>
            <name>r206_204c</name>
            <value>17.89</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r207_204c</name>
            <value>15.59</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.1</oneSigma>
          </ValueModel>
        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0014119999999999998</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00019800000000000002</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000828293198250756</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>fractionMass</name>
          <value>0.1</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002060</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235b</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.992371701050263</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00258396566224281</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.0401210013862255</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0136125872235831</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.0398149438504851</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0131987412589036</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>3.50000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.5</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.01000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000008000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000004000</oneSigma>
        </ValueModel>
      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.000279021918309589</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.307217696444838</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>447.855610034247</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.312004400975048</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.124875534110959</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.01883118581111</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>13.4047548754795</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0575577632315898</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>9.29850147761644</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0594639980169441</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>33.4106415282192</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.312742423064342</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.00931597101126028</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0567008546741553</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>48.1654262480822</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.316828784442169</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.013429964619726</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0593169599631499</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.996326606366911</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00258396566224281</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.0401210013862255</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0136125872235831</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.0399736186020421</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0131987412589036</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.0326883418554922</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000025311584115374893</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.0327045625887481</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00002530471262687824</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0501623071115344</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00028757243699875163</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0501612753831775</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0002875746687322495</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0501374277265573</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00028745617459456494</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0501363965099146</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00028745840455700295</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.225984115091113</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.001388009148026648</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.225979467094775</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0013880169303274392</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.0455778851545657</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.5711667531255478</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.5711635507211824</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.5708741524462201</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.5708709516824015</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.4768646323490135</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.47686370976915804</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.4766110645452814</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.4766101429874386</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>207351765.58974287</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>158004.0639559056</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>207453020.479001</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>157958.6885364785</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>201485321.543339</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>13314785.929401772</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>201437570.183775</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>13315279.159792755</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>200333442.016120</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>13318808.209983543</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>200285680.609073</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>13319301.60072202</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>206878083.702508</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1149575.2264024904</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>206874234.137410</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1149586.0302031564</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>207189735.02224723</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>203250.8183527138</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>-2.911598721668000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
          <value>0.000000000000745976428241931</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_r</name>
          <value>0.0000000000257315490320941</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_rib</name>
          <value>0.0000000000264775254603360</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_ib</name>
          <value>0.00000000000296783688375675</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_r</name>
          <value>0.0000000000282127681955274</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_rib</name>
          <value>0.0000000000311806050792842</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU</name>
          <value>0.000000000916282977543290</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.000000000003118060507928419774423854563198249999455623924854400000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.000000000091628297754328976810182075425</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>9.50617210465258</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.143785204643377</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.000000000000296783688375674897462427128191127752742895037746768000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.000000000002821276819552744876961427435007122246712728887107632000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>660.894239290315</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0501623071115344</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>4.42508978826595</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>30.5919463404040</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>609.859236984131</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SH24-076</sampleName>
      <fractionID>z08</fractionID>
      <grainID>z08</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 4:03 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>20250504_RIGL v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>20240419_Pb_Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-09-01</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
        <ratios>
          <ValueModel>
            <name>r206_204c</name>
            <value>17.89</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r207_204c</name>
            <value>15.59</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.1</oneSigma>
          </ValueModel>
        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0014119999999999998</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00019800000000000002</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000814105868731361</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>fractionMass</name>
          <value>0.1</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002060</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235b</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.991507550667234</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00325642367936444</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.156946827364729</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00717384745559838</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.155613959752842</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00694432255248099</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>3.50000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.5</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00600</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000008000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000004000</oneSigma>
        </ValueModel>
      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.000604228423976596</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.447169276797508</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>848.967625385106</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.448513801374612</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.512497716387234</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0186311500382329</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>15.2440064514894</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0633765608420668</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>12.4509493002128</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.069659452047312</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>55.6913473510638</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.439239575892096</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.0336202479251064</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0666123900184973</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>68.186863416383</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.456334709501792</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.0411621615391489</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0648984178390236</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.995455557473589</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00325642367936445</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.156946827364729</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00717384745559836</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.156233586877068</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00694432255248099</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.0326731507517112</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00001645133438213938</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.0326894320197317</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000016446818764808205</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0503475597234233</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00019209140006997067</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0503465275153730</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0001920944333525906</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0503224836647894</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0001920135107475214</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0503214519708397</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000192016541926968</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.226713280484037</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0009281004112701677</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.226708632487699</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000928112049953993</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.0416078741007550</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.5892838863225909</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.5892764966018794</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.5889896887020488</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.5889823026706257</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.5002749034029518</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.5002697101596726</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.5000148507238121</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.5000096615207177</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>207256936.52741352</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>102696.69081497731</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>207358570.785677</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>102666.88362319402</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>210036750.174616</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>8851840.225301519</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>209989226.610012</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>8852237.933101017</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>208881838.934810</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>8854523.035627816</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>208834305.361712</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>8854920.85797244</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>207481812.646930</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>768213.2771502957</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>207477965.370040</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>768225.8215919118</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>207150827.8531778</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>132526.06027061064</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>1.3234891726764000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
          <value>0.00000000000121816260902141</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_r</name>
          <value>0.0000000000641349538743158</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_rib</name>
          <value>0.0000000000653531164833372</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_ib</name>
          <value>0.00000000000484641040198469</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_r</name>
          <value>0.0000000000700741502030242</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_rib</name>
          <value>0.0000000000749205606050089</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU</name>
          <value>0.00000000228486396489242</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.000000000007492056060500893499539205818305635352994829442792960000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.000000000228486396489242411847999091200</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>14.4589798202661</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.131260020379723</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.000000000000484641040198469014721214771416737910605478391670771200</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.000000000007007415020302424484817991046888897442389351051122188800</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>998.943014592526</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0503475597234233</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>4.41085761656742</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>30.6061698058803</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>607.897780428897</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SH24-076</sampleName>
      <fractionID>z09</fractionID>
      <grainID>z09</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 4:03 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>20250504_RIGL v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>20240419_Pb_Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-09-01</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
        <ratios>
          <ValueModel>
            <name>r206_204c</name>
            <value>17.89</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r207_204c</name>
            <value>15.59</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.1</oneSigma>
          </ValueModel>
        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0014119999999999998</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00019800000000000002</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000880761208458200</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>fractionMass</name>
          <value>0.1</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002060</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235b</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.992403290061195</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00640945847343984</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.0502010174814824</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0176775852571372</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.0498196551399016</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0190444220061301</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>3.50000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.5</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00520</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000008000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000004000</oneSigma>
        </ValueModel>
      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.000697812421731148</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.428677913600186</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>237.175852057377</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.434781428501059</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.165319882804918</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0333100787968331</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>9.44135166085246</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0801115167183375</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>5.51939473113115</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.090798602653176</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>25.1207153729508</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.423093792609209</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.0175107979667213</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.078886164697991</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>42.9751791788525</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.45881956206356</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.0299539539003279</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0928112134418875</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.996358447667376</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00640945847343984</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.0502010174814824</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0176775852571372</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.0500182080769357</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0190444220061301</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.0326393911488795</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000052207976004876484</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.0326557016459943</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000052186421432683176</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0501263991428433</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0007273357960964229</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0501253658671586</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0007273374633087048</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0501013625811593</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0007270395903951491</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0501003298215634</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0007270412554043896</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.225484179224666</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.003488357292445727</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.225479531228328</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.003488360389012181</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.0396913065421970</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.6330028418761975</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.6330022799688402</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.6327006150175707</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.632700053378496</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.5646663753398437</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.5646673533745782</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.5643926169298628</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.5643935944931209</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>207046190.32984695</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>325916.52015396976</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>207148010.375115</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>325776.81670769234</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>199822574.114008</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>33699144.28908288</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>199774702.342982</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>33700210.924143314</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>198662231.851620</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>33709399.05449404</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>198614349.930342</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>33710466.075283475</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>206463942.989597</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>2890301.595484695</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>206460091.854068</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>2890315.1235052897</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>206636345.5561747</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>459135.6234188393</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>-3.615015094199000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
          <value>0.00000000000124792189040321</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_r</name>
          <value>0.0000000000169935405945095</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_rib</name>
          <value>0.0000000000182414624849127</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_ib</name>
          <value>0.00000000000496480649276622</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_r</name>
          <value>0.0000000000185305594031676</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_rib</name>
          <value>0.0000000000234953658959338</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU</name>
          <value>0.000000000606035971470311</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.000000000002349536589593381056943430904167993312995579481724416000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.000000000060603597147031133645682410475</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>3.73238301032816</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.125212259357760</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.000000000000496480649276621908630980953129516822221556641460651520</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.000000000001853055940316759148312449951038476490774022840263764480</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>272.177316610200</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0501263991428433</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>4.43490094710204</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>30.6378264054821</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>611.211396178183</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SH24-076</sampleName>
      <fractionID>z12</fractionID>
      <grainID>z12</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 4:03 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>20250504_RIGL v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>20240419_Pb_Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-09-01</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
        <ratios>
          <ValueModel>
            <name>r206_204c</name>
            <value>17.89</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r207_204c</name>
            <value>15.59</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.1</oneSigma>
          </ValueModel>
        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0014119999999999998</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00019800000000000002</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000706916832860692</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>fractionMass</name>
          <value>0.1</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002060</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235b</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.992070324115453</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00586261400859206</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.0486855021622016</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0181018645884513</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.0482994427289992</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0193962311055637</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>3.50000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.5</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00700</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000008000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000004000</oneSigma>
        </ValueModel>
      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.00047284934735102</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.49103955677949</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>331.83641684898</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.499390126193089</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.156724316555102</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0286446580856006</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>11.2601602408163</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.114033347474073</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>7.0170658992449</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.104892011282534</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>29.4695745512245</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.480022821895797</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.0139192960704082</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.110610922723043</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>47.2898465802041</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.48739098950294</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.0223357220026531</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0905447239750248</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.996022822854235</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00586261400859205</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.0486855021622016</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0181018645884513</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.0484918721181561</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0193962311055637</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.0327746031531916</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00003758453103791515</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.0327907988825319</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00003757126608464017</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0511707888476010</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0004899376139376394</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0511697598347072</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0004899393337538555</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0511455150429196</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0004897407881673746</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0511444865382664</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0004897425061871</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.231135722990193</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0023674039375880676</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.231131074993855</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0023674085003601367</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.0472163709485945</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.6183232952936254</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.6183221035819869</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.6180320218009888</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.6180308306507297</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.5416844642625317</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.5416849713691899</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.5414243480375737</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.5414248550184274</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>207890217.32476315</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>234596.64206602948</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>207991307.688891</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>234510.16681205478</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>247503777.473696</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>22046484.357487682</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>247457479.332430</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>22047189.749139927</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>246366257.206017</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>22053055.484108146</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>246319949.534424</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>22053761.117450655</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>211135802.793950</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1952523.8310866451</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>211131969.337139</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1952534.9657946625</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>207623389.94705582</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>315381.12862355396</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>16.0052345678412000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
          <value>0.00000000000105800323119092</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_r</name>
          <value>0.0000000000222180628527429</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_rib</name>
          <value>0.0000000000232760660839338</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_ib</name>
          <value>0.00000000000420922283035447</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_r</name>
          <value>0.0000000000244197599597935</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_rib</name>
          <value>0.0000000000286289827901480</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU</name>
          <value>0.000000000789087797390425</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.00000000000286289827901479825967372271293622301793842543386240000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.000000000078908779739042509992011113200</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>5.80148900259981</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.148958738428587</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.00000000000042092228303544696705591575810508416795772519349276800</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.00000000000244197599597935129261780695483113884998070024036963200</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>409.639911964164</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0511707888476010</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>4.32646233590828</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>30.5114296983523</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>596.266549441375</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SH24-076</sampleName>
      <fractionID>z14</fractionID>
      <grainID>z14</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 4:03 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>20250504_RIGL v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>20240419_Pb_Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-09-01</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
        <ratios>
          <ValueModel>
            <name>r206_204c</name>
            <value>17.89</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r207_204c</name>
            <value>15.59</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.1</oneSigma>
          </ValueModel>
        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0014119999999999998</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00019800000000000002</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000788760093610595</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>fractionMass</name>
          <value>0.1</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235b</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.992211385206925</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00482170731572497</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.0680862916008391</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0144329373471955</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.0675559880192050</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0130108402708066</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>3.50000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.5</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00500</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000008000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000004000</oneSigma>
        </ValueModel>
      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.00043129508972</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.535072445430238</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>509.89756866</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.535092580043692</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.2196714461425</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0284700405825064</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>13.411604141</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.09025851851675</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>9.3283439344</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0995495169564731</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>38.01945899625</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.531352528260199</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.0163796830395</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0869252467534543</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>54.662495585</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.538954921830338</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.0235496200745</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0918839557975746</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.996165010265847</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00482170731572498</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.0680862916008391</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0144329373471955</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.0678251756651997</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0130108402708066</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.0327953262407981</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00002796443604975685</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.0328115366459257</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000027957526463981967</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0504924099876548</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0003185714554973876</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0504913816249855</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00031857349923998047</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0504674644195578</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0003184421162447263</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0504664365649468</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0003184441583141697</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.228215729452571</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0015355337739269127</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.228211081456233</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0015355408085557906</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.0462535437341195</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.537316913159882</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.5373144516003749</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.5370097300608034</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.5370072699085655</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.43785662519540786</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.43785656886040836</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.4375906332203348</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.43759057746879254</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>208019566.2312777</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>174546.04273050706</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>208120746.167685</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>174500.17616907062</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>216692045.933036</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>14612038.452867</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>216644892.451520</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>14612555.187004963</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>215547832.309349</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>14616369.726308536</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>215500669.002585</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>14616886.630320422</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>208724668.473171</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1269447.1617326047</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>208720825.902578</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1269457.7814289315</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>207852780.65933466</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>218668.1503754525</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>4.0022141396174000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
          <value>0.000000000000673664255879725</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_r</name>
          <value>0.0000000000226462887650371</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_rib</name>
          <value>0.0000000000233199530209168</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_ib</name>
          <value>0.00000000000268014584667276</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_r</name>
          <value>0.0000000000248529670127867</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_rib</name>
          <value>0.0000000000275331128594595</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU</name>
          <value>0.000000000803788268800856</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.00000000000275331128594594512249548497688195091041901245600000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.000000000080378826880085583226623308700</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>9.27299051416926</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.145922186735989</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.00000000000026801458466727636738584999204054098548550369632000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.00000000000248529670127866875510963498484140992493350875968000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>644.560731046113</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0504924099876548</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>4.38181891493077</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>30.4921497855380</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>603.895710127387</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SH24-076</sampleName>
      <fractionID>z18</fractionID>
      <grainID>z18</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 4:03 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>20250504_RIGL v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>20240419_Pb_Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-09-01</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
        <ratios>
          <ValueModel>
            <name>r206_204c</name>
            <value>17.89</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r207_204c</name>
            <value>15.59</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.1</oneSigma>
          </ValueModel>
        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0014119999999999998</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00019800000000000002</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000812598661324307</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>fractionMass</name>
          <value>0.1</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O</name>
          <value>0.00206</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002060</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235b</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.992319406095538</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00270398291963581</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.0430871188910244</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0163779999656687</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.0427561840261881</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0165207445659648</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>3.50000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.5</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00700</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000008000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000004000</oneSigma>
        </ValueModel>
      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.000608606194698572</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.450172130433235</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>231.163759251429</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.416493821963579</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.14050613245</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0395293574796091</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>9.35489674034286</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.243924554683599</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>5.37147285931429</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.352289153173573</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>24.7062448845714</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.254387520877772</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.015026612958</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.280955008216748</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>43.0350459635714</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.215331696614529</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.026182702328</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.391303241903728</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.996393015411737</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00270398291963581</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.0430871188910244</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0163779999656687</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.042931704114281</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0165207445659648</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.0326559553251672</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000048327383456831676</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.0326722024377868</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0000483065494693633</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0506877898197733</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0006925662857719716</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0506867570682001</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0006925679150776704</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0506625839821439</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0006922767012595631</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0506615517441336</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0006922783286628518</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.228125202220986</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00331873978223427</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.228120554224648</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0033187430370630214</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.0438482647708507</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.6297711116099607</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.6297704939673465</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.629574434963653</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.6295738175139277</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.5622278896838652</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.5622287738382737</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.5620745042510905</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.5620753875349801</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>207149593.98213387</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>301686.4702071536</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>207251016.719066</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>301551.66843170644</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>225626108.118136</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>31584205.05745051</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>225579012.521689</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>31585193.217133753</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>224476280.674062</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>31593307.48695982</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>224429175.234218</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>31594295.99570105</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>208649825.591496</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>2743850.6489044596</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>208645982.737660</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>2743863.724417017</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>206737655.0735502</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>443134.0846119682</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>8.1889965173392000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
          <value>0.00000000000143329169188063</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_r</name>
          <value>0.0000000000194281339789587</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_rib</name>
          <value>0.0000000000208614256708394</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_ib</name>
          <value>0.00000000000570229270966440</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_r</name>
          <value>0.0000000000212778618284551</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_rib</name>
          <value>0.0000000000269801545381195</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU</name>
          <value>0.000000000692508765233013</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.000000000002698015453811948230458426538343349044896536594819840000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.000000000069250876523301341707824232500</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>3.73145731231804</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.138327078326922</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.000000000000570229270966439721195825030791460875535425332326124800</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.000000000002127786182845508509262601507551888169361111262493715200</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>271.012347445728</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0506877898197733</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>4.38355775803891</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>30.6222858906633</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>604.135354876286</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SH24-076</sampleName>
      <fractionID>z19</fractionID>
      <grainID>z19</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 4:03 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>20250504_RIGL v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>20240419_Pb_Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-09-01</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
        <ratios>
          <ValueModel>
            <name>r206_204c</name>
            <value>17.89</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r207_204c</name>
            <value>15.59</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.1</oneSigma>
          </ValueModel>
        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0014119999999999998</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00019800000000000002</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000840426875073533</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>fractionMass</name>
          <value>0.1</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O</name>
          <value>0.00206</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002060</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235b</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02230</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.992349068863718</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00270014695149122</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.046631479875811</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0128941138165009</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.0462747047348186</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0129370037584680</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>3.50000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.5</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00680</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000008000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000004000</oneSigma>
        </ValueModel>
      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.000516178293370833</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.244650612300017</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>291.310324536111</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.24401583960458</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.1503045423125</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.018459479643159</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>10.6357683151389</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0606564885339856</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>6.661271450625</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0563761234402721</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>27.3895647702778</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.233688793393821</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.0141323219188889</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0577228668732672</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>43.7311807831944</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.226895810864596</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.0225644440130556</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0585811842334422</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.996422922223056</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00270014695149122</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.046631479875811</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0128941138165009</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.0464646745420681</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.012937003758468</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.0326382738016222</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000038859545517184744</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.0326545858967691</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00003884463204064042</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0504871834276357</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0005237464205037782</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0504861501165778</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0005237480926290822</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0504619633332093</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00052353264206326</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0504609305383260</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0005235343123457807</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.227099324898691</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0025101216287781005</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.227094676902353</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.002510125932125629</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.0395865112848319</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.6057361773677268</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.6057351388966085</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.6054282113701129</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.6054271734269701</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.5306180365146079</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.5306186914719537</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.5303427877859208</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.5303434425084518</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>207039215.10968354</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>242587.10110574448</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>207141045.240944</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>242490.17077498187</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>216452378.475018</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>24021436.326767534</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>216404991.119129</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>24022211.915116604</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>215295397.997204</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>24028693.36725489</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>215248000.656655</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>24029469.229195647</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>207801301.558852</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>2077040.4740342945</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>207797455.492315</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>2077051.902347803</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>206728324.67286164</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>344807.990340844</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>4.3488380361784000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
          <value>0.00000000000114413155385406</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_r</name>
          <value>0.0000000000205384062951407</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_rib</name>
          <value>0.0000000000216825378489948</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_ib</name>
          <value>0.00000000000455188085956083</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_r</name>
          <value>0.0000000000224013211264137</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_rib</name>
          <value>0.0000000000269532019859745</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU</name>
          <value>0.000000000732480618539811</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.000000000002695320198597453895217224743391102964918848610826624000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.000000000073248061853981092166639560350</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>4.92133292095326</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.124881612209282</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.000000000000455188085956082536615525788568511732845861282799729280</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.000000000002240132112641371358601698954822591232072987328026894720</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>352.869259997511</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0504871834276357</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>4.40335963326224</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>30.6388752688966</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>606.864419616752</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
  </analysisFractions>
  <physicalConstantsModelII>
    <modelName>EARTHTIME Physical Constants Model</modelName>
    <versionNumber>1</versionNumber>
    <minorVersionNumber>1</minorVersionNumber>
    <labName>EARTHTIME</labName>
    <dateCertified>2015-01-01</dateCertified>
    <reference>See individual constants for reference.</reference>
    <comment>This Physical Constants Model is the accepted default as of 2015.</comment>
    <ratios>
      <ValueModelReferenced>
        <name>lambda226</name>
        <value>0.0004335</value>
        <uncertaintyType>ABS</uncertaintyType>
        <oneSigma>0.0000011</oneSigma>
        <reference>Holden 1990</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda230</name>
        <value>0.0000091705</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.075</oneSigma>
        <reference>Cheng et al. 2013</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda231</name>
        <value>0.00002118870000000000</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.33578000000000000000</oneSigma>
        <reference>Robert et al. 1969</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda232</name>
        <value>0.0000000000493343</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.042769</oneSigma>
        <reference>Holden 1990</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda234</name>
        <value>0.00000282206</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.05351</oneSigma>
        <reference>Cheng et al. 2013</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda235</name>
        <value>0.00000000098485000000</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.06803100000000000000</oneSigma>
        <reference>Jaffey et al. 1971</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda238</name>
        <value>0.00000000015512500000</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.05350500000000000000</oneSigma>
        <reference>Jaffey et al. 1971</reference>
      </ValueModelReferenced>
    </ratios>
    <rhos/>
    <atomicMolarMasses>
      <entry>
        <string>gmol235</string>
        <big-decimal>235.043922</big-decimal>
      </entry>
      <entry>
        <string>gmol204</string>
        <big-decimal>203.973028</big-decimal>
      </entry>
      <entry>
        <string>gmol205</string>
        <big-decimal>204.9737</big-decimal>
      </entry>
      <entry>
        <string>gmol238</string>
        <big-decimal>238.050785</big-decimal>
      </entry>
      <entry>
        <string>gmol206</string>
        <big-decimal>205.974449</big-decimal>
      </entry>
      <entry>
        <string>gmol207</string>
        <big-decimal>206.975880</big-decimal>
      </entry>
      <entry>
        <string>gmol208</string>
        <big-decimal>207.976636</big-decimal>
      </entry>
      <entry>
        <string>gmol230</string>
        <big-decimal>230.033128</big-decimal>
      </entry>
      <entry>
        <string>gmol232</string>
        <big-decimal>232.038051</big-decimal>
      </entry>
    </atomicMolarMasses>
  </physicalConstantsModelII>
</Aliquot>
