<?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>SingleAge</analysisPurpose>
  <sampleIGSN>SSR.NMM000011</sampleIGSN>
  <aliquotIGSN>Deprecated</aliquotIGSN>
  <aliquotName>zircon</aliquotName>
  <laboratoryName>MIT Isotope Lab</laboratoryName>
  <analystName>Noah McLean</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>
    <AnalysisImage>
      <imageType>concordia</imageType>
      <imageURL>http://www.geochronportal.org/uploadimages/20002-concordia-tempConcordia.svg</imageURL>
    </AnalysisImage>
  </analysisImages>
  <mineralStandardModels/>
  <sampleDateModels>
    <SampleDateModel>
      <name>weighted mean 206Pb/238U (Th-corrected)</name>
      <value>65952876.30417220294475555419921875</value>
      <uncertaintyType>ABS</uncertaintyType>
      <oneSigma>27486.642944118633749894797801971435546875</oneSigma>
      <meanSquaredWeightedDeviation>0</meanSquaredWeightedDeviation>
      <internalTwoSigmaUnct>54973.28588823726749978959560394287109375</internalTwoSigmaUnct>
      <internalTwoSigmaUnctWithTracerCalibrationUnct>62557.5655899823250365443527698516845703125</internalTwoSigmaUnctWithTracerCalibrationUnct>
      <internalTwoSigmaUnctWithTracerCalibrationAndDecayConstantUnct>94231.03598747242358513176441192626953125</internalTwoSigmaUnctWithTracerCalibrationAndDecayConstantUnct>
      <includedFractionsVector>
        <fractionID>zM13</fractionID>
      </includedFractionsVector>
      <explanation>Explanation</explanation>
      <comment>Comment</comment>
      <preferred>true</preferred>
    </SampleDateModel>
  </sampleDateModels>
  <pbBlanks>
    <PbBlankICModel>
      <modelName>Matt 3-24 TPBs</modelName>
      <versionNumber>1</versionNumber>
      <minorVersionNumber>0</minorVersionNumber>
      <labName>Unknown Lab</labName>
      <dateCertified>2016-01-20</dateCertified>
      <reference>No reference</reference>
      <comment>No comment</comment>
      <ratios>
        <ValueModel>
          <name>r206_204b</name>
          <value>18.24118194</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.212257</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_204b</name>
          <value>15.33876157</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.15474647</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_204b</name>
          <value>37.35406617</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.4968847</oneSigma>
        </ValueModel>
      </ratios>
      <rhos>
        <entry>
          <string>rhoR207_204b__r208_204b</string>
          <big-decimal>0.892</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_204b__r207_204b</string>
          <big-decimal>0.778</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_204b__r208_204b</string>
          <big-decimal>0.873</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>MIT Daly</name>
      <value>0.0025</value>
      <uncertaintyType>ABS</uncertaintyType>
      <oneSigma>0.00020</oneSigma>
    </ValueModel>
  </alphaPbModels>
  <alphaUModels/>
  <analysisFractions>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SGC-63</sampleName>
      <fractionID>z8</fractionID>
      <grainID>z8</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>January 27, 2016 5:10 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>grain mount</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>true</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>Matt 3-24 TPBs v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A Plag Pbc final</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-07-11</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>0.05000000000000000000</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r207_204c</name>
            <value>15.59</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.0500000000000000000</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.10000000000000000000</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>0.0025</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000967970329204470</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>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002050</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235b</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02232</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02232</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.990070883312222</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00433767390948824</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.403233741603913</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00700442971870490</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.399229962807778</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00737704451851458</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>4.00000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1.00000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.01440</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000010000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000001000</oneSigma>
        </ValueModel>
      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.00038234944</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.364691858949512</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>1170.6407144</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.361600660208047</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.44720237278</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0212176069045139</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>17.3229725364</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0617862911629209</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>10.5234356504</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0593352243268092</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>67.5610641456</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.365529057955873</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.02581535588</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0643547188337276</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>111.22147072</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.3704727638389</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.04249766816</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0579501880276474</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.990070883312222</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00433767390948824</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.403233741603913</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0070044297187049</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.399229962807778</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00737704451851458</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.0110374767566379</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000003993893418313184</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.0110534824141693</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000003998905892048935</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0478490032850637</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00011359980228854083</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0478459477416659</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00011364127492730207</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0477797169976202</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00011346522331783189</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0477766658787087</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00011350662311244328</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.0727863960935526</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0001840723446249958</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.0727817480972149</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00018413101836925284</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.0704612361875978</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.47194105396700053</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.47179066893708965</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.47037986767204326</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.4702299801174965</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.3500778690715397</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.34995985396473794</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.34835300382030854</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.34823568645838726</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
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          <oneSigma>25465.219406354357</oneSigma>
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        <ValueModel>
          <name>age206_238r_Th</name>
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        <ValueModel>
          <name>age207_206r</name>
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        <ValueModel>
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        <ValueModel>
          <name>age207_206r_Th</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>bestAge</name>
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        <ValueModel>
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      <compositionalMeasures>
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        <ValueModel>
          <name>totCommonPbMass</name>
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      <sampleName>SGC-63</sampleName>
      <fractionID>z25</fractionID>
      <grainID>z25</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>January 27, 2016 5:10 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>grain mount</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
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      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>true</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>Matt 3-24 TPBs v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A Plag Pbc final</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-07-11</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
        <ratios>
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        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
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          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
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          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
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          <name>alphaPb</name>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
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          <value>90.1269544645567</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>1890.36720542928</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SGC-63</sampleName>
      <fractionID>zM13</fractionID>
      <grainID>zM13</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>January 27, 2016 5:10 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>grain mount</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>true</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>Matt 3-24 TPBs v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A Plag Pbc final</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-07-11</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>
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            <oneSigma>0.05000000000000000000</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r207_204c</name>
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            <oneSigma>0.0500000000000000000</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
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            <oneSigma>0.10000000000000000000</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>0.0025</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.00111382437589960</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
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        <ValueModel>
          <name>r18O_16O</name>
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        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002050</value>
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          <oneSigma>0.000020</oneSigma>
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        <ValueModel>
          <name>r238_235b</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02232</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8185</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02232</oneSigma>
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        <ValueModel>
          <name>r265_267m</name>
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          <uncertaintyType>PCT</uncertaintyType>
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        <ValueModel>
          <name>r270_265m</name>
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        <ValueModel>
          <name>r270_267m</name>
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          <oneSigma>0.00450126966042450</oneSigma>
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        <ValueModel>
          <name>rTh_Umagma</name>
          <value>4.00000</value>
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          <oneSigma>1.00000</oneSigma>
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        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.01440</value>
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          <oneSigma>0.00010</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000010000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000001000</oneSigma>
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      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.000625871528571429</value>
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          <oneSigma>0.295736203148782</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r206_204m</name>
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          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r206_205m</name>
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          <oneSigma>0.0188080206296663</oneSigma>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r206_207m</name>
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          <oneSigma>0.0624308477654124</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r206_208m</name>
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          <oneSigma>0.0424389481552762</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r207_204m</name>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r207_205m</name>
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          <oneSigma>0.0622127416492943</oneSigma>
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          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>71.3100021944286</value>
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          <oneSigma>0.29985630548761</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.044593341</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0449472486755977</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.993873460803923</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00347232890947374</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.461952373692256</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00500043565124984</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.459122154616459</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0045012696604245</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
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          <oneSigma>0.000004309217949459274</oneSigma>
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        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.0102834549425076</value>
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          <oneSigma>0.000004307712755319874</oneSigma>
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        <ValueModel>
          <name>r207_206r</name>
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          <oneSigma>0.00018131764994841436</oneSigma>
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        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0476171767491086</value>
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          <oneSigma>0.00018134820173798926</oneSigma>
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        <ValueModel>
          <name>r207_206r_Th</name>
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          <oneSigma>0.00018108160315152987</oneSigma>
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        <ValueModel>
          <name>r207_206r_ThPa</name>
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          <oneSigma>0.00018111209507657426</oneSigma>
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        <ValueModel>
          <name>r207_235r</name>
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          <oneSigma>0.000274181729045397</oneSigma>
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        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.0673789126989364</value>
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          <oneSigma>0.0002742211232058503</oneSigma>
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        <ValueModel>
          <name>r208_206r</name>
          <value>0.0512700537599908</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.6467346432558682</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.6453318715861277</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.5807694027310455</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.5806791720049422</value>
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          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.5794211048701392</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.5793311488002248</value>
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          <oneSigma>0</oneSigma>
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      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
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          <oneSigma>27496.689166112086</oneSigma>
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        <ValueModel>
          <name>age206_238r_Th</name>
          <value>65952876.3041722</value>
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        <ValueModel>
          <name>age207_206r</name>
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        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>79231975.1613069</value>
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          <oneSigma>9052101.885013102</oneSigma>
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        <ValueModel>
          <name>age207_206r_Th</name>
          <value>75642415.7614743</value>
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        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>75478495.4672478</value>
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          <oneSigma>9060971.802214915</oneSigma>
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        <ValueModel>
          <name>age207_235r</name>
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          <oneSigma>260824.21674548776</oneSigma>
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        <ValueModel>
          <name>age207_235r_Pa</name>
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        <ValueModel>
          <name>bestAge</name>
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        <ValueModel>
          <name>percentDiscordance</name>
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          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>massPb_rib</name>
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          <name>massU</name>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>radToCommonTotal</name>
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        <ValueModel>
          <name>rTh_Usample</name>
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        <ValueModel>
          <name>totCommonPbMass</name>
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        <ValueModel>
          <name>totRadiogenicPbMass</name>
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      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
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        <ValueModel>
          <name>r207_206s</name>
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        <ValueModel>
          <name>r235_207s</name>
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        <ValueModel>
          <name>r238_206s</name>
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        <ValueModel>
          <name>r238_207s</name>
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          <oneSigma>0</oneSigma>
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      </sampleIsochronRatios>
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    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SGC-63</sampleName>
      <fractionID>zS17</fractionID>
      <grainID>zS17</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>January 27, 2016 5:10 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>grain mount</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>true</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>Matt 3-24 TPBs v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A Plag Pbc final</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-07-11</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>0.05000000000000000000</oneSigma>
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          <ValueModel>
            <name>r207_204c</name>
            <value>15.59</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.0500000000000000000</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
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            <oneSigma>0.10000000000000000000</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>0.0025</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.00115442516978153</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
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        <ValueModel>
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          <value>0.0020</value>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>uBlankMassInGrams</name>
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      <measuredRatios>
        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r233_235m</name>
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          <oneSigma>0.00341198995698467</oneSigma>
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          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_233m</name>
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          <oneSigma>0.00319384880173822</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
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          <oneSigma>0.00425793443894027</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
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          <oneSigma>0.000003821435691326364</oneSigma>
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        <ValueModel>
          <name>r206_238r_Th</name>
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          <oneSigma>0.000003822806181874935</oneSigma>
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        <ValueModel>
          <name>r207_206r</name>
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          <oneSigma>0.00009445653592801734</oneSigma>
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        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0474855688465566</value>
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          <oneSigma>0.0000945062457359397</oneSigma>
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        <ValueModel>
          <name>r207_206r_Th</name>
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        <ValueModel>
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        <ValueModel>
          <name>r207_235r</name>
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        <ValueModel>
          <name>r208_206r</name>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
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        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
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        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
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        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
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        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
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        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
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        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>age207_206r_Th</name>
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        <ValueModel>
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        <ValueModel>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
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        <ValueModel>
          <name>totCommonPbMass</name>
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    <AnalysisFraction>
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      <sampleName>SGC-63</sampleName>
      <fractionID>zS18</fractionID>
      <grainID>zS18</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>January 27, 2016 5:10 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>grain mount</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>true</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>Matt 3-24 TPBs v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A Plag Pbc final</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-07-11</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
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        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
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          </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>0.0025</value>
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      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r206_207m</name>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.383207196712644</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.0708573544285714</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.043357222843402</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.987735760674286</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00302160383881581</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.723836386504871</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00405679777901385</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.714959051428572</value>
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          <oneSigma>0.00352864250172435</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
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        <ValueModel>
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        <ValueModel>
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          <oneSigma>0.00007809010479351849</oneSigma>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>r208_206r</name>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
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        <ValueModel>
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        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
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        <ValueModel>
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        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
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        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>age207_206r_Th</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>bestAge</name>
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        <ValueModel>
          <name>percentDiscordance</name>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>massPb_rib</name>
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        <ValueModel>
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        <ValueModel>
          <name>rTh_Usample</name>
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        <ValueModel>
          <name>totCommonPbMass</name>
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      <sampleName>SGC-63</sampleName>
      <fractionID>zS21</fractionID>
      <grainID>zS21</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>January 27, 2016 5:10 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>grain mount</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1</staceyKramersOnePctUnct>
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      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>true</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>Matt 3-24 TPBs v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A Plag Pbc final</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-07-11</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
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          <entry>
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            <big-decimal>0.5</big-decimal>
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          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
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      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
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          <name>alphaPb</name>
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        <MeasuredRatioModel>
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          <oxideCorr>true</oxideCorr>
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        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
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        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
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        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
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        <ValueModel>
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        <ValueModel>
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      <radiogenicIsotopeDates>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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      <compositionalMeasures>
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        <ValueModel>
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    <AnalysisFraction>
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      <sampleName>SGC-63</sampleName>
      <fractionID>zS22</fractionID>
      <grainID>zS22</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>January 27, 2016 5:10 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>grain mount</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
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      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>true</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>Matt 3-24 TPBs v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
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        <modelName>05-48A Plag Pbc final</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-07-11</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
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          <entry>
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          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
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      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
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          <value>0.00000000081789474307580011091527093950</value>
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          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>17.7628401728581</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.203172114426974</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.00000000000048506273869683949521711077847689370975600000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.00000000000861609190128080165930455797854670629024400000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>1172.71242472285</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0477510624803998</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>13.7968402249736</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>90.7967268858432</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>1901.45982454552</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SGC-63</sampleName>
      <fractionID>zS30</fractionID>
      <grainID>zS30</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>January 27, 2016 5:10 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>grain mount</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>true</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>Matt 3-24 TPBs v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A Plag Pbc final</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-07-11</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>0.05000000000000000000</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r207_204c</name>
            <value>15.59</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.0500000000000000000</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.10000000000000000000</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>0.0025</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.00109060983802503</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>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>0.00002</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002050</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>0.991383513262938</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00314002923217506</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.253253791603951</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00759903551476307</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.251058040344367</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00642938132348167</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>4.00000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1.00000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.01000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000010000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000001000</oneSigma>
        </ValueModel>
      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.000582419711864407</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.320011391191567</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>533.150388677966</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.334013858708474</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.310330427762712</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.024742366343681</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>14.0032573316949</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0905893803250912</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>7.56260118574576</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0821785860563908</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>38.076519378983</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.330427519817899</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.0221634508135593</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0917686301345706</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>70.5048119655932</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.34261917411592</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.0410380461525424</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0824558872756397</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.995330530375183</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00314002923217506</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.253253791603951</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00759903551476307</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.252057583274171</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00642938132348166</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.0120305628889273</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000006469269032904983</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.0120464992600284</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000006466300494440701</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0478769247944804</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00026207108666801424</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0478741214768349</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0002620870275866781</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0478135881832182</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00026178492626836907</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0478107885740949</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0002618008391370106</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.0793815754208721</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00046274365987888954</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.0793769274245344</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00046276700252725824</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.0737733185874360</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.6829087360098117</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.6828742890885614</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.6817477384798967</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.6817133501210696</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.6289832968925189</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.6289507943329093</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.6277766601263357</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.6277442449075636</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>77091190.28124504</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>41207.834200742975</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>77192700.6936700</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>41188.276668743376</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>92134963.7247227</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>12973069.032405697</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>91996248.3471708</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>12974953.088367699</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>88998044.2713729</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>12983669.128561134</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>88859247.6247508</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>12985554.600339731</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>77563346.4774355</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>435306.7357666012</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>77558974.0599495</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>435330.5689920784</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>77088054.88277085</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>41197.73719286499</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>16.3279745661211000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.000000000007949534507687923539751372689059160000000000000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.00000000062011785634229200078871629650</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>9.53519437867360</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.231568317622904</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.000000000000754569324679967295136001263447644033966600000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.000000000007194965183007956244615371425611515966033400000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>632.872730996068</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0478769247944804</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>12.5973816304113</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>83.1216302373002</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>1736.15224023083</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. We certify it as D3 for the U-series work.</comment>
    <ratios>
      <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>0.0000000000492</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.04276900000000000000</oneSigma>
        <reference>Schmorak 1991</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda234</name>
        <value>0.00000282206</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.05351</oneSigma>
        <reference>Cheng et al. 20013</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>
    </atomicMolarMasses>
  </physicalConstantsModelII>
</Aliquot>