<?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.NMM000013</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/20006-concordia-tempConcordia.svg</imageURL>
    </AnalysisImage>
  </analysisImages>
  <mineralStandardModels/>
  <sampleDateModels>
    <SampleDateModel>
      <name>weighted mean 206Pb/238U (Th-corrected)</name>
      <value>49197993.725917197763919830322265625</value>
      <uncertaintyType>ABS</uncertaintyType>
      <oneSigma>21420.33932856320097926072776317596435546875</oneSigma>
      <meanSquaredWeightedDeviation>0</meanSquaredWeightedDeviation>
      <internalTwoSigmaUnct>42840.6786571264019585214555263519287109375</internalTwoSigmaUnct>
      <internalTwoSigmaUnctWithTracerCalibrationUnct>210490.8093358003534376621246337890625</internalTwoSigmaUnctWithTracerCalibrationUnct>
      <internalTwoSigmaUnctWithTracerCalibrationAndDecayConstantUnct>216951.33669539095717482268810272216796875</internalTwoSigmaUnctWithTracerCalibrationAndDecayConstantUnct>
      <includedFractionsVector>
        <fractionID>zS6</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>
    <TracerUPbModel>
      <modelName>MIT 1L</modelName>
      <versionNumber>0</versionNumber>
      <minorVersionNumber>1</minorVersionNumber>
      <tracerType>mixed 205-233-235</tracerType>
      <labName>MIT Isotope Lab</labName>
      <dateCertified>2016-01-26</dateCertified>
      <reference>transferred from PbMacDat 2007 version by Noah McLean 2016-01-26</reference>
      <comment>No comment</comment>
      <ratios>
        <ValueModel>
          <name>r204_205t</name>
          <value>0.000025840947332045</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.1</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_205t</name>
          <value>0.052774417697118</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.1</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_205t</name>
          <value>0.000382275826817393</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.1</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_205t</name>
          <value>0.000835280152098806</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.1</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r233_235t</name>
          <value>1.01017317900000000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.1</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235t</name>
          <value>0.007502</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.1</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb205t</name>
          <value>0.0000000000184094</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.1</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU235t</name>
          <value>0.00000000167875</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.1</oneSigma>
        </ValueModel>
      </ratios>
      <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>NC118B</sampleName>
      <fractionID>zL1</fractionID>
      <grainID>zL1</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>February 4, 2016 10:34 AM</timeStamp>
      <mineralName>other</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>Matt 3-24 TPBs v.1.0</pbBlankID>
      <tracerID>MIT 1L v.0.1</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>0.000947133092932044</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>0.02232</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>1.00520743420841</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0125114495239886</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.373700658114127</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0146656645951320</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.375646256672188</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0120057068739045</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>4.00000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.50000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00790</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>0.00028053468</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.446231985928573</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>1133.83873696</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.457570478954642</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.31775361734</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0209816994713505</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>19.1622878958571</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0589790644852292</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>8.9449568816</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0557290414196288</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>59.145691561</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.466984652965421</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.0165793565714286</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0605764786719185</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>126.78901171</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.455602916320073</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.0355169017428572</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0539091598276803</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>1.00926551901964</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0125114495239886</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.373700658114127</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.014665664595132</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.37716276392902</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0120057068739045</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.00770310039585656</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000004055453200065449</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.00771872466078290</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000004055347300835175</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0474229409787386</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00016605683644058055</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0474185628079374</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00016611563418889776</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0473269473235688</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00016578274107943548</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0473225780150737</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00016584139284282076</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.0503456045916987</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00019046023454691443</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</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>
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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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      <fractionID>zM1</fractionID>
      <grainID>zM1</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>February 4, 2016 10:34 AM</timeStamp>
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      <physicallyAbraded>false</physicallyAbraded>
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      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
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        <modelName>05-48A Plag Pbc final</modelName>
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        <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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      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
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          <name>bestAge</name>
          <value>49375175.03078988</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>16778.316761571667</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>18.9121192951987000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.00000000001903144842447751733397716933336806600000000000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.00000000221609149112322739979544262050</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>radToCommonTotal</name>
          <value>30.4430790255940</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.655558651258627</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.00000000000060526669188428744034749487340584160746626000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.00000000001842618173259322989362967445996222439253374000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>1768.28702961333</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0472514465187804</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>19.9720510586816</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>r238_206s</name>
          <value>130.060462683913</value>
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        <ValueModel>
          <name>r238_207s</name>
          <value>2752.51811883091</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>NC118B</sampleName>
      <fractionID>zM2</fractionID>
      <grainID>zM2</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>February 4, 2016 10:34 AM</timeStamp>
      <mineralName>other</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>Matt 3-24 TPBs v.1.0</pbBlankID>
      <tracerID>MIT 1L v.0.1</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>
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            <oneSigma>0.0500000000000000000</oneSigma>
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          <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>0.000948410386354545</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>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00002</oneSigma>
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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>
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          <oneSigma>0.02232</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8185</value>
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          <oneSigma>0.02232</oneSigma>
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        <ValueModel>
          <name>r265_267m</name>
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          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00776696656880972</oneSigma>
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        <ValueModel>
          <name>r270_265m</name>
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        <ValueModel>
          <name>r270_267m</name>
          <value>0.353283433846509</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00964328390951487</oneSigma>
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        <ValueModel>
          <name>rTh_Umagma</name>
          <value>4.00000</value>
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          <oneSigma>0.50000</oneSigma>
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        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00890</value>
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          <oneSigma>0.00010</oneSigma>
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        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000010000</value>
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          <oneSigma>0.00000000000001000</oneSigma>
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      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.000160487385714286</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.28291068397739</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r206_204m</name>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r206_205m</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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          <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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          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_233m</name>
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          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>true</oxideCorr>
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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>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>
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          <uncertaintyType>NONE</uncertaintyType>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>totCommonPbMass</name>
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        <ValueModel>
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      <sampleIsochronRatios>
        <ValueModel>
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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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      </sampleIsochronRatios>
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    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>NC118B</sampleName>
      <fractionID>zM4</fractionID>
      <grainID>zM4</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>February 4, 2016 10:34 AM</timeStamp>
      <mineralName>other</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
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      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</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>0.00105381079549636</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>0.02232</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>0.987808659812285</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00623003290032366</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.74461792803619</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00663648732190117</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.735539843475940</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00620603521350641</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>4.00000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.50000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00760</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>0.000588604016666667</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.346592999431914</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>987.354229086667</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.3468847925543</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.580693685283333</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0226736539314108</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>16.651968369</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0653378243600114</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>6.06952074318333</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0495731082185701</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>59.2879012431667</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.344141489409833</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.0348729661166667</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0636946594964986</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>162.655009925</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.335297396037497</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.09567465695</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0546011682156168</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.9917272067041</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00623003290032366</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.74461792803619</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00663648732190116</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.7384576629735</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00620603521350641</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.00770314285499140</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0000030983266692894537</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.00771827569490484</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000003103413723758335</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0473658373434116</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00014249913809790215</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0473614591967427</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00014256707085854344</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0472729694980252</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00014227040382315794</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0472685999353711</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00014233817465962063</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.0502852588425692</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0001605228171796867</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.0502806108462316</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000160590095290021</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.134589631680308</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.4965156585765985</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.49630764677362765</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.4941223539931407</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.49391534484858124</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.3928555486035787</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.392680733165386</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.39022063237144944</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.3900472089402673</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>49467365.92606037</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>19820.417474469497</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>49564172.0361251</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>19852.661923788735</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>66649540.8349081</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>7171443.688441754</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>66429509.0908432</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>7175812.0584253585</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>61975980.2626127</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>7180286.033214261</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>61755755.4451066</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>7184657.663689231</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>49816522.6791886</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>155188.45651982175</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>49812029.1312538</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>155254.18597131644</oneSigma>
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        <ValueModel>
          <name>bestAge</name>
          <value>49467365.92606037</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>19820.417474469497</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>25.7798848928430000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.000000000011521185516698540273477766087588369600000000000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>massU</name>
          <value>0.00000000139688292545122230230678891325</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>18.8409114951916</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.421577220275095</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.000000000000580678237463570151932528631303704094437496000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.000000000010940507279234970121545237456284665505562504000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>1170.22458171921</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0473658373434116</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>r235_207s</name>
          <value>19.8865437509381</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>r238_206s</name>
          <value>129.817143317293</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>2740.73362993867</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>NC118B</sampleName>
      <fractionID>zS5</fractionID>
      <grainID>zS5</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>February 4, 2016 10:34 AM</timeStamp>
      <mineralName>other</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</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>0.00104516468672449</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>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00002</oneSigma>
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        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002050</value>
          <uncertaintyType>ABS</uncertaintyType>
          <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>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.992268694608398</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00481285424955307</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.117099781288247</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0207065057219876</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.116194444924734</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0211302425990310</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>4.00000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.50000</oneSigma>
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          <name>tracerMassInGrams</name>
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        <ValueModel>
          <name>uBlankMassInGrams</name>
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          <oneSigma>0.00000000000001000</oneSigma>
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      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.00047146634</value>
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          <fracCorr>false</fracCorr>
          <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>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r206_208m</name>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r207_204m</name>
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          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.01025233864</value>
          <uncertaintyType>PCT</uncertaintyType>
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          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>50.2955656592</value>
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          <oneSigma>0.416114314778618</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.02369301382</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.115855279805489</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.99622277730751</value>
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          <oneSigma>0.00481285424955308</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.117099781288247</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0207065057219876</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.116657467135256</value>
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          <oneSigma>0.021130242599031</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.00768236635383325</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000009207129317577676</oneSigma>
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        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.00769793610513663</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000918517945122974</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0475473613240702</value>
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          <oneSigma>0.000722569937324963</oneSigma>
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        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0475429713369648</value>
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          <oneSigma>0.0007225870356506765</oneSigma>
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        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0474511926132837</value>
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          <oneSigma>0.0007213488291305276</oneSigma>
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        <ValueModel>
          <name>r207_206r_ThPa</name>
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          <oneSigma>0.0007213658668185488</oneSigma>
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        <ValueModel>
          <name>r207_235r</name>
          <value>0.0503418247020771</value>
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          <oneSigma>0.0008093270375450956</oneSigma>
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        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.0503371767057394</value>
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          <oneSigma>0.0008093403842460076</oneSigma>
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        <ValueModel>
          <name>r208_206r</name>
          <value>0.101612963695997</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.7505949732012379</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.7505825952613644</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.7495711881704828</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.7495588271136819</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.7151824547283135</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.715172813085677</value>
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        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.7142084804871505</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.7141988588531637</value>
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          <oneSigma>0</oneSigma>
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      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
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          <oneSigma>58900.47398976077</oneSigma>
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        <ValueModel>
          <name>age206_238r_Th</name>
          <value>49434057.5524002</value>
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          <oneSigma>58759.14692105317</oneSigma>
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        <ValueModel>
          <name>age207_206r</name>
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          <oneSigma>36113445.036466375</oneSigma>
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        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>75527142.7086309</value>
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        <ValueModel>
          <name>age207_206r_Th</name>
          <value>70933357.4614062</value>
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        <ValueModel>
          <name>age207_206r_ThPa</name>
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        <ValueModel>
          <name>age207_235r</name>
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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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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>massU</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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        <ValueModel>
          <name>totRadiogenicPbMass</name>
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      <sampleIsochronRatios>
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        <ValueModel>
          <name>r207_206s</name>
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        <ValueModel>
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        <ValueModel>
          <name>r238_206s</name>
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        <ValueModel>
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          <oneSigma>0</oneSigma>
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      </sampleIsochronRatios>
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    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>NC118B</sampleName>
      <fractionID>zS6</fractionID>
      <grainID>zS6</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>February 4, 2016 10:34 AM</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>MIT 1L v.0.1</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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        </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>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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          <name>tracerMassInGrams</name>
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          <name>uBlankMassInGrams</name>
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      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
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          <fracCorr>false</fracCorr>
          <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>
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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>
          <name>r206_208m</name>
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          <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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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r208_205m</name>
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          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.03000000000000000000</oneSigma>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r233_235m</name>
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          <oneSigma>0.00663077676428289000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_233m</name>
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          <oneSigma>0.01251020385199790000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_235m</name>
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          <oneSigma>0.01056000417920170000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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      </measuredRatios>
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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>
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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>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
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        <ValueModel>
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      <sampleName>NC118B</sampleName>
      <fractionID>zS7</fractionID>
      <grainID>zS7</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>February 4, 2016 10:34 AM</timeStamp>
      <mineralName>other</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
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      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</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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            <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>
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      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
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        <ValueModel>
          <name>age206_238r_Th</name>
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          <oneSigma>52168.799232969686</oneSigma>
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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>
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      <compositionalMeasures>
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        <ValueModel>
          <name>totCommonPbMass</name>
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      <sampleName>NC118B</sampleName>
      <fractionID>zS9</fractionID>
      <grainID>zS9</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>February 4, 2016 10:34 AM</timeStamp>
      <mineralName>other</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
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      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</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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      <fractionationCorrectedU>false</fractionationCorrectedU>
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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>
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            <big-decimal>0.5</big-decimal>
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      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
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          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>130.444923537294</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>2814.45302274028</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>NC118B</sampleName>
      <fractionID>zS12</fractionID>
      <grainID>zS12</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>February 4, 2016 10:34 AM</timeStamp>
      <mineralName>other</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>Matt 3-24 TPBs v.1.0</pbBlankID>
      <tracerID>MIT 1L v.0.1</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>0.00102560030252858</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>0.02232</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>1.00582118064886</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00290432088951545</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.311552558382077</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00388999698551177</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.313366154531173</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00406927890052992</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>4.00000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.50000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00900</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>0.000139311372881356</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.454959153573703</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>1939.20455001695</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.473743729863404</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.269801888542373</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0330733775115032</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>22.0695297383051</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0587218290651085</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>7.94461367652542</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0498326653891324</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>87.862001189661</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.465161861812872</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.0122253404237288</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0695541160569333</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>244.077765962712</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.471963649140868</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.0339608640338983</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0616275037934877</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>1.00988423245288</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00290432088951544</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.311552558382077</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00388999698551176</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.314632008684955</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00406927890052991</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.00765753610850479</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0000041340963383403505</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.00767266088586508</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000004138465802471021</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0471578031928229</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00009151222307437782</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0471533989707919</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00009161919340331903</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0470648430992253</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00009138168483878593</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0470604475590426</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00009148838207917368</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.0497679942096533</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0001113996819272675</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.0497633462133156</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00011149660534496688</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.135201826288596</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.6247028458660242</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.6241597949392201</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.6233513589779807</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.6228094828916823</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.44222985322417047</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.44173949173243526</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.44068553073717026</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.4401975141572656</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>49175606.75811568</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>26447.574012706566</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>49272365.6707980</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>26475.12994723709</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>56161762.0033160</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>4644288.622481976</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>55939004.9409819</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>4650308.901822207</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>51453614.4103338</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>4650922.577820416</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>51230660.0345392</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>4656945.75533102</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>49316324.1702507</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>107750.80759850194</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>49311828.4081518</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>107845.0338081633</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>49175606.75811568</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>26447.574012706566</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>12.4393448424710000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.000000000008991756144833273605324562458171068000000000000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.00000000111863733014868029774608173375</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>31.1877781307470</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.423483750973681</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.000000000000279353116835486403981146209829019663364680000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.000000000008712403027997787201343416248342048336635320000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>1924.48588640418</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0471578031928229</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>20.0932349370438</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>130.590308139632</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>2769.21949917097</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>