<?xml version="1.0" encoding="utf-8"?>
<!--
    *****************************************************************************
    * This XML file was generated by ET_Redux.                                  *
    * For more info, visit https://CIRDLES.org                                  *
    *****************************************************************************
-->
<Aliquot  xmlns="https://raw.githubusercontent.com/EARTHTIME/Schema"
        xmlns:xs="http://www.w3.org/2001/XMLSchema"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="https://raw.githubusercontent.com/EARTHTIME/Schema
                            https://raw.githubusercontent.com/EARTHTIME/Schema/master/AliquotXMLSchema.xsd">
  <keyWordsCSV></keyWordsCSV>
  <mySESARSampleMetadata>
    <stratigraphicFormationName>NONE</stratigraphicFormationName>
    <stratigraphicGeologicAgeMa>NONE ( 0 Ma - 0 Ma )</stratigraphicGeologicAgeMa>
    <stratigraphicMinAbsoluteAgeMa>0.0</stratigraphicMinAbsoluteAgeMa>
    <stratigraphicMaxAbsoluteAgeMa>0.0</stratigraphicMaxAbsoluteAgeMa>
    <detritalType>NONE</detritalType>
  </mySESARSampleMetadata>
  <analysisPurpose>NONE</analysisPurpose>
  <sampleIGSN>SSR.IENSH0002</sampleIGSN>
  <aliquotIGSN>IENSH0006</aliquotIGSN>
  <aliquotName>LST-KP1 Zircon</aliquotName>
  <laboratoryName>MIT</laboratoryName>
  <analystName>Jahan Ramezani</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/20053-concordia-tempConcordia.svg</imageURL>
    </AnalysisImage>
  </analysisImages>
  <mineralStandardModels/>
  <sampleDateModels>
    <SampleDateModel>
      <name>weighted mean 206Pb/238U (Th-corrected)</name>
      <value>1085567477.773116588592529296875</value>
      <uncertaintyType>ABS</uncertaintyType>
      <oneSigma>126117.651278740828274749219417572021484375</oneSigma>
      <meanSquaredWeightedDeviation>1.492963958111385380789215560071170330047607421875</meanSquaredWeightedDeviation>
      <internalTwoSigmaUnct>252235.30255748165654949843883514404296875</internalTwoSigmaUnct>
      <internalTwoSigmaUnctWithTracerCalibrationUnct>504909.1960580814047716557979583740234375</internalTwoSigmaUnctWithTracerCalibrationUnct>
      <internalTwoSigmaUnctWithTracerCalibrationAndDecayConstantUnct>1266624.345387793146073818206787109375</internalTwoSigmaUnctWithTracerCalibrationAndDecayConstantUnct>
      <includedFractionsVector>
        <fractionID>z3</fractionID>
        <fractionID>z4</fractionID>
        <fractionID>z6</fractionID>
        <fractionID>z8</fractionID>
        <fractionID>z9</fractionID>
      </includedFractionsVector>
      <explanation>Explanation</explanation>
      <comment>Comment</comment>
      <preferred>true</preferred>
    </SampleDateModel>
  </sampleDateModels>
  <pbBlanks>
    <PbBlankICModel>
      <modelName>MIT_BlankIC_092315</modelName>
      <versionNumber>1</versionNumber>
      <minorVersionNumber>0</minorVersionNumber>
      <labName>MIT</labName>
      <dateCertified>2015-09-23</dateCertified>
      <reference>No reference</reference>
      <comment>No comment</comment>
      <ratios>
        <ValueModel>
          <name>r206_204b</name>
          <value>18.145833</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.475155</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_204b</name>
          <value>15.303903</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.295535</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_204b</name>
          <value>37.107788</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.875051</oneSigma>
        </ValueModel>
      </ratios>
      <rhos>
        <entry>
          <string>rhoR207_204b__r208_204b</string>
          <big-decimal>0.480847999999999997644550830955267883837223052978515625</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_204b__r208_204b</string>
          <big-decimal>0.5769859999999999988773424774990417063236236572265625</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_204b__r207_204b</string>
          <big-decimal>0.323730999999999990990318110561929643154144287109375</big-decimal>
        </entry>
      </rhos>
    </PbBlankICModel>
  </pbBlanks>
  <tracers>
    <TracerUPbModel>
      <modelName>ET535</modelName>
      <versionNumber>3</versionNumber>
      <minorVersionNumber>0</minorVersionNumber>
      <tracerType>mixed 205-233-235</tracerType>
      <labName>EARTHTIME</labName>
      <dateCertified>2012-07-09</dateCertified>
      <reference>No reference</reference>
      <comment>EARTHTIME-supplied model</comment>
      <ratios>
        <ValueModel>
          <name>r204_205t</name>
          <value>0.00009</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000009</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_205t</name>
          <value>0.000388739872278295</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00016886001521521</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_205t</name>
          <value>0.000296068587594844</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000140143894670955</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_205t</name>
          <value>0.000744376162255465</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000347037829188955</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r233_235t</name>
          <value>0.9950621757</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0000538364810724104</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235t</name>
          <value>0.0030799297</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000000395548132250173</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb205t</name>
          <value>0.0000000000103116</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000000000000025779</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU235t</name>
          <value>0.00000000103356161714094</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000259506527095644</oneSigma>
        </ValueModel>
      </ratios>
      <rhos>
        <entry>
          <string>rhoR206_205t__concU235t</string>
          <big-decimal>-0.000625524583951292</big-decimal>
        </entry>
        <entry>
          <string>rhoR204_205t__r207_205t</string>
          <big-decimal>0.989936347334727</big-decimal>
        </entry>
        <entry>
          <string>rhoR207_205t__concU235t</string>
          <big-decimal>-0.000637072197103421</big-decimal>
        </entry>
        <entry>
          <string>rhoR233_235t__concU235t</string>
          <big-decimal>0.0329317147303595</big-decimal>
        </entry>
        <entry>
          <string>rhoR204_205t__r206_205t</string>
          <big-decimal>0.981367466390299</big-decimal>
        </entry>
        <entry>
          <string>rhoR238_235t__concU235t</string>
          <big-decimal>-0.0213714959352477</big-decimal>
        </entry>
        <entry>
          <string>rhoR233_235t__r238_235t</string>
          <big-decimal>-0.593855080520382</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_205t__r208_205t</string>
          <big-decimal>0.988226606955946</big-decimal>
        </entry>
        <entry>
          <string>rhoR208_205t__concU235t</string>
          <big-decimal>-0.000564938004436441</big-decimal>
        </entry>
        <entry>
          <string>rhoR204_205t__r208_205t</string>
          <big-decimal>0.975476664128529</big-decimal>
        </entry>
        <entry>
          <string>rhoConcPb205t__concU235t</string>
          <big-decimal>0.995699056887309</big-decimal>
        </entry>
        <entry>
          <string>rhoR204_205t__concU235t</string>
          <big-decimal>-0.000601507547689546</big-decimal>
        </entry>
        <entry>
          <string>rhoR207_205t__r208_205t</string>
          <big-decimal>0.992617413594994</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_205t__r207_205t</string>
          <big-decimal>0.992109313058621</big-decimal>
        </entry>
      </rhos>
    </TracerUPbModel>
  </tracers>
  <alphaPbModels>
    <ValueModel>
      <name>MIT X62 Daly</name>
      <value>0.0018</value>
      <uncertaintyType>ABS</uncertaintyType>
      <oneSigma>0.00020</oneSigma>
    </ValueModel>
  </alphaPbModels>
  <alphaUModels/>
  <analysisFractions>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>LST-KP1</sampleName>
      <fractionID>z1</fractionID>
      <grainID>z1</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 2:05 PM</timeStamp>
      <mineralName>other</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>MIT_BlankIC_092315 v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT X62 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>0.0018</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000949829128390337</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>fractionMass</name>
          <value>0.00100</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002050</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235b</name>
          <value>137.8180</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02200</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8180</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.02200</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.992789601520015</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00467491722132789</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.01813197929410130000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.117994932842639</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.0180012373755418</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.117608184176663</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>2.80000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.50000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00950</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>0.000184925972017197</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.368868312834817</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>1510.07967022969000000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.36766230823683900000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.278595307368066</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00893876534539204</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>12.25702067761730000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.03073818436632500000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>2.63476153358415000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.01778889636892380000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>123.21743597378700000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.36896721717908800000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.0227317121961301</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0319649094753485</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>573.25599768940700000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.36895273027831900000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.105733305519871</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0168845682666933</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.99674784510384100000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00467491722132789000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.01813197929410130000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.11799493284263900000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.01807300815379490000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.11760818417666300000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.184159713824384</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0002721675825439711</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.184169274913891</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00027216947905208484</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0760666983109479</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010824249371621307</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0760665151785412</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010824266276272252</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0760627493324259</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0001082398468128501</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0760625662095264</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0001082400158514191</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>1.93061261947293</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.004074519268223257</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>1.93060797147659</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0040745219193167315</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.368421858166560</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.7354609132764974</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.7354604347478083</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.7354446636345531</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.735444185116437</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.05220051841031377</value>
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      <imageURL URL=""/>
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        <labName>Unknown Lab</labName>
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      <grainID>z3</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 2:05 PM</timeStamp>
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        <labName>Unknown Lab</labName>
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      <grainID>z4</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 2:05 PM</timeStamp>
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        <labName>Unknown Lab</labName>
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      <imageURL URL=""/>
      <timeStamp>October 21, 2017 2:05 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>MIT_BlankIC_092315 v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT X62 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>
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            <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>0.0018</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000846242667660067</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>fractionMass</name>
          <value>0.00100</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
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          <oneSigma>0.00000000000030000</oneSigma>
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        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
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          <oneSigma>0.000020</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>137.8180</value>
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        <ValueModel>
          <name>r238_235s</name>
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        <ValueModel>
          <name>r265_267m</name>
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        <ValueModel>
          <name>r270_265m</name>
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        <ValueModel>
          <name>r270_267m</name>
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        <ValueModel>
          <name>rTh_Umagma</name>
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          <oneSigma>0.50000</oneSigma>
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        <ValueModel>
          <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>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r206_207m</name>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <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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          <oneSigma>0.0190252617436844</oneSigma>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>405.198887594148</value>
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          <oneSigma>0.129316206977709</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r208_205m</name>
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          <oneSigma>0.0116520527818611</oneSigma>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r233_235m</name>
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          <oneSigma>0.00195189310396253000</oneSigma>
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          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.05599441107403730000</value>
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          <oneSigma>0.01689317111448790000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_235m</name>
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          <oneSigma>0.01738765695625530000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
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          <oneSigma>0.00009342383901364176</oneSigma>
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        <ValueModel>
          <name>r206_238r_Th</name>
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          <oneSigma>0.00009342609433150064</oneSigma>
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        <ValueModel>
          <name>r207_206r</name>
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        <ValueModel>
          <name>r207_206r_Pa</name>
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        <ValueModel>
          <name>r207_206r_Th</name>
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        <ValueModel>
          <name>r207_206r_ThPa</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>r208_206r</name>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
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        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
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        <ValueModel>
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        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
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        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
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        <ValueModel>
          <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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      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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          <name>percentDiscordance</name>
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          <uncertaintyType>NONE</uncertaintyType>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
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        <ValueModel>
          <name>concPb206_r</name>
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        <ValueModel>
          <name>concPb206_rib</name>
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        <ValueModel>
          <name>concPb_ib</name>
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        <ValueModel>
          <name>concPb_r</name>
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        <ValueModel>
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        <ValueModel>
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          <name>rTh_Usample</name>
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        <ValueModel>
          <name>totCommonPbMass</name>
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      <sampleIsochronRatios>
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    <AnalysisFraction>
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      <sampleName>LST-KP1</sampleName>
      <fractionID>z6</fractionID>
      <grainID>z6</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 2:05 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>MIT_BlankIC_092315 v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT X62 Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A Plag Pbc final</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-07-11</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
        <ratios>
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          <ValueModel>
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          </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>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>r18O_16O</name>
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        <ValueModel>
          <name>r18O_16O_revised</name>
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        <ValueModel>
          <name>r238_235b</name>
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        <ValueModel>
          <name>r238_235s</name>
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        <ValueModel>
          <name>r265_267m</name>
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        <ValueModel>
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          <name>tracerMassInGrams</name>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r206_207m</name>
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        <MeasuredRatioModel>
          <name>r206_208m</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>
          <name>r207_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>
          <name>r208_205m</name>
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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>
          <name>r238_235m</name>
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          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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      </measuredRatios>
      <radiogenicIsotopeRatios>
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          <name>r206_238r</name>
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        <ValueModel>
          <name>r206_238r_Th</name>
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        <ValueModel>
          <name>r207_206r</name>
          <value>0.0756837269655985</value>
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        <ValueModel>
          <name>r207_206r_Pa</name>
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        <ValueModel>
          <name>r207_206r_Th</name>
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        <ValueModel>
          <name>r207_206r_ThPa</name>
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        <ValueModel>
          <name>r207_235r</name>
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        <ValueModel>
          <name>r207_235r_Pa</name>
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        <ValueModel>
          <name>r208_206r</name>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
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        <ValueModel>
          <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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      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
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        <ValueModel>
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        <ValueModel>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
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        <ValueModel>
          <name>concPb206_r</name>
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          <name>concPb206_rib</name>
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        <ValueModel>
          <name>concPb_ib</name>
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        <ValueModel>
          <name>concPb_r</name>
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        <ValueModel>
          <name>concPb_rib</name>
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          <name>massPb_rib</name>
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          <name>rTh_Usample</name>
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        <ValueModel>
          <name>totCommonPbMass</name>
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    <AnalysisFraction>
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      <sampleName>LST-KP1</sampleName>
      <fractionID>z8</fractionID>
      <grainID>z8</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 2:05 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
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      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>MIT_BlankIC_092315 v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT X62 Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A Plag Pbc final</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-07-11</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
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          <entry>
            <string>rhoR206_204c__r208_204c</string>
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          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
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          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0018</value>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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          <name>r270_265m</name>
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        <MeasuredRatioModel>
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          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
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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>
          <name>rhoR206_238r__r207_235r</name>
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        <ValueModel>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
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        <ValueModel>
          <name>concPb206_r</name>
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        <ValueModel>
          <name>totCommonPbMass</name>
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      <sampleName>LST-KP1</sampleName>
      <fractionID>z9</fractionID>
      <grainID>z9</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 2:05 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
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      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>MIT_BlankIC_092315 v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
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        <modelName>05-48A Plag Pbc final</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-07-11</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
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          <entry>
            <string>rhoR207_204c__r208_204c</string>
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          <entry>
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      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
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          <oneSigma>0.01127174417920770000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>412.32882758098400000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.31181986040092500000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.0764272597671559</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0227015294519022</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>1396.72730675577000000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.29577972676909300000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.259194754061813</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.012150877198755</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.99625312562886900000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00204195773563782000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.05698987306146930000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00900979516430788000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.05677633813719660000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00894513687656978000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.183380472368466</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00005010394597243971</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.183392224679661</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00005011076128978201</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0757544078369420</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00003819163734027406</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0757542239263482</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000038192098019404174</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0757495532724867</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000038192168408222056</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0757493693736785</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00003819262901271945</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>1.91455099285724</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.001287668610813338</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>1.91454634486091</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0012876769995398313</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.259069135542694</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.67301998178571</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.6730155973161931</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.6728928848036558</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.6728885011621273</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.35571220132894055</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.35570922682059464</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.3554760015218492</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.35547303060867397</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>1085415953.7800329</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>272939.0888545101</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>1085479973.67147</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>272973.50406563963</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>1087686314.69670</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1059841.9145146098</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>1087681449.13186</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1059856.8758622254</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>1087557876.50615</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1059937.3662805548</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>1087553010.84815</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1059952.3271356479</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>1086171269.34353</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>448603.1943976636</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>1086169650.05449</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>448606.8323143307</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>1085415953.7800329</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>272939.0888545101</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>0.2087330589702000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
          <value>0.0000000000366588139904488</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_r</name>
          <value>0.0000000210139130481670</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_rib</name>
          <value>0.0000000210505718621574</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_ib</name>
          <value>0.000000000145422287696152</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_r</name>
          <value>0.0000000281105248226366</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_rib</name>
          <value>0.0000000282559471103328</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU</name>
          <value>0.000000133386056560502</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.0000000000282559471103327785657918036862278176000000000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.000000000133386056560501572431030362100</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>193.302727305262</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.857388604931109</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.0000000000001454222876961521585156440419556581785400000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.0000000000281105248226366264072761596442721594214600000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>10419.8723304232</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0757544078369420</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>0.522315678052334</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>5.45314333137229</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>71.9845021178166</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
  </analysisFractions>
  <physicalConstantsModelII>
    <modelName>EARTHTIME Physical Constants Model</modelName>
    <versionNumber>1</versionNumber>
    <minorVersionNumber>0</minorVersionNumber>
    <labName>EARTHTIME</labName>
    <dateCertified>2008-01-01</dateCertified>
    <reference>See individual constants for reference.</reference>
    <comment>This Physical Constants Model is the accepted default as of 2008.</comment>
    <ratios>
      <ValueModelReferenced>
        <name>lambda226</name>
        <value>0.0004335</value>
        <uncertaintyType>ABS</uncertaintyType>
        <oneSigma>0.0000011</oneSigma>
        <reference>Holden 1990</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda230</name>
        <value>0.0000091577</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.15244</oneSigma>
        <reference>Cheng et al. 2000</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda231</name>
        <value>0.0000211887</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.33578</oneSigma>
        <reference>Robert et al. 1969</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda232</name>
        <value>0.0000000000493343</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.042769</oneSigma>
        <reference>Holden 1990</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda234</name>
        <value>0.0000028262</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.100842120161347</oneSigma>
        <reference>Cheng et al. 2000</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda235</name>
        <value>0.00000000098485</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.068031</oneSigma>
        <reference>Jaffey et al. 1971</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda238</name>
        <value>0.000000000155125</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.053505</oneSigma>
        <reference>Jaffey et al. 1971</reference>
      </ValueModelReferenced>
    </ratios>
    <rhos/>
    <atomicMolarMasses>
      <entry>
        <string>gmol235</string>
        <big-decimal>235.043922</big-decimal>
      </entry>
      <entry>
        <string>gmol204</string>
        <big-decimal>203.973028</big-decimal>
      </entry>
      <entry>
        <string>gmol205</string>
        <big-decimal>204.9737</big-decimal>
      </entry>
      <entry>
        <string>gmol238</string>
        <big-decimal>238.050785</big-decimal>
      </entry>
      <entry>
        <string>gmol206</string>
        <big-decimal>205.974449</big-decimal>
      </entry>
      <entry>
        <string>gmol207</string>
        <big-decimal>206.975880</big-decimal>
      </entry>
      <entry>
        <string>gmol208</string>
        <big-decimal>207.976636</big-decimal>
      </entry>
      <entry>
        <string>gmol230</string>
        <big-decimal>230.033128</big-decimal>
      </entry>
      <entry>
        <string>gmol232</string>
        <big-decimal>232.038051</big-decimal>
      </entry>
    </atomicMolarMasses>
  </physicalConstantsModelII>
</Aliquot>