<?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.IENSH0003</sampleIGSN>
  <aliquotIGSN>IENSH0007</aliquotIGSN>
  <aliquotName>MI-WSB1 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/20054-concordia-tempConcordia.svg</imageURL>
    </AnalysisImage>
  </analysisImages>
  <mineralStandardModels/>
  <sampleDateModels>
    <SampleDateModel>
      <name>weighted mean 206Pb/238U (Th-corrected)</name>
      <value>1084347669.9291741847991943359375</value>
      <uncertaintyType>ABS</uncertaintyType>
      <oneSigma>100873.155166695432853884994983673095703125</oneSigma>
      <meanSquaredWeightedDeviation>0.8802574670224634356685555758303962647914886474609375</meanSquaredWeightedDeviation>
      <internalTwoSigmaUnct>201746.31033339086570776998996734619140625</internalTwoSigmaUnct>
      <internalTwoSigmaUnctWithTracerCalibrationUnct>339335.404788559419102966785430908203125</internalTwoSigmaUnctWithTracerCalibrationUnct>
      <internalTwoSigmaUnctWithTracerCalibrationAndDecayConstantUnct>1208963.70346367615275084972381591796875</internalTwoSigmaUnctWithTracerCalibrationAndDecayConstantUnct>
      <includedFractionsVector>
        <fractionID>z6</fractionID>
        <fractionID>z8</fractionID>
        <fractionID>z9</fractionID>
        <fractionID>z10</fractionID>
        <fractionID>z11</fractionID>
        <fractionID>z12</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>ET2535</modelName>
      <versionNumber>3</versionNumber>
      <minorVersionNumber>0</minorVersionNumber>
      <tracerType>mixed 202-205-233-235</tracerType>
      <labName>EARTHTIME</labName>
      <dateCertified>2012-07-09</dateCertified>
      <reference>No reference</reference>
      <comment>EARTHTIME-supplied model</comment>
      <ratios>
        <ValueModel>
          <name>r202_205t</name>
          <value>0.999239128056085</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000265554717724025</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r204_205t</name>
          <value>0.000105</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000915843141929646</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_205t</name>
          <value>0.000482509449698359</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000166042236484442</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_205t</name>
          <value>0.000432369168809505</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000137658376026938</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_205t</name>
          <value>0.00104222718281</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000334948793014228</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>rhoR202_205t__r208_205t</string>
          <big-decimal>0.00773502668653982</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_205t__concU235t</string>
          <big-decimal>-0.000636139894281656</big-decimal>
        </entry>
        <entry>
          <string>rhoR202_205t__r233_235t</string>
          <big-decimal>-0.0140916024945161</big-decimal>
        </entry>
        <entry>
          <string>rhoR204_205t__r207_205t</string>
          <big-decimal>0.99902225892771</big-decimal>
        </entry>
        <entry>
          <string>rhoR207_205t__concU235t</string>
          <big-decimal>-0.00064857498297949</big-decimal>
        </entry>
        <entry>
          <string>rhoR202_205t__r204_205t</string>
          <big-decimal>0.00739680731141555</big-decimal>
        </entry>
        <entry>
          <string>rhoR233_235t__concU235t</string>
          <big-decimal>0.0329317147303595</big-decimal>
        </entry>
        <entry>
          <string>rhoR202_205t__r207_205t</string>
          <big-decimal>0.00794136244518988</big-decimal>
        </entry>
        <entry>
          <string>rhoR204_205t__r206_205t</string>
          <big-decimal>0.998212278075014</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>0.998839747943053</big-decimal>
        </entry>
        <entry>
          <string>rhoR208_205t__concU235t</string>
          <big-decimal>-0.000585327855406347</big-decimal>
        </entry>
        <entry>
          <string>rhoR204_205t__r208_205t</string>
          <big-decimal>0.997578360594083</big-decimal>
        </entry>
        <entry>
          <string>rhoConcPb205t__concU235t</string>
          <big-decimal>0.995699056887309</big-decimal>
        </entry>
        <entry>
          <string>rhoR204_205t__concU235t</string>
          <big-decimal>-0.000591102087394544</big-decimal>
        </entry>
        <entry>
          <string>rhoR202_205t__r206_205t</string>
          <big-decimal>0.00807546785387666</big-decimal>
        </entry>
        <entry>
          <string>rhoR207_205t__r208_205t</string>
          <big-decimal>0.99925971261631</big-decimal>
        </entry>
        <entry>
          <string>rhoR202_205t__concU235t</string>
          <big-decimal>-0.0847323000860479</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_205t__r207_205t</string>
          <big-decimal>0.999242385302839</big-decimal>
        </entry>
      </rhos>
    </TracerUPbModel>
    <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>MI-WSB1</sampleName>
      <fractionID>z2</fractionID>
      <grainID>z2</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 5:18 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>
            <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>0.000823837036011813</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>0.002000</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>0.992219853406312</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00423536845857666</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.06284076167306890000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0253958734179536</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.0623519126404558</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0244994338355577</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>2.80000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.50000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.01010</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>0.00024514105107149100</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.28365720843541900000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>4473.01712195831000000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.28692271122248000000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>1.09539627660340000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00709373303688689000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>12.85266656925150000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.02075145624545900000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>4.07070306126101000000</value>
          <uncertaintyType>PCT</uncertaintyType>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
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          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
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          <oxideCorr>true</oxideCorr>
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      </measuredRatios>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
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        <ValueModel>
          <name>concPb206_r</name>
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        <ValueModel>
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      <sampleName>MI-WSB1</sampleName>
      <fractionID>z3</fractionID>
      <grainID>z3</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 5:18 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
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      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
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      <pbBlankID>MIT_BlankIC_092315 v.1.0</pbBlankID>
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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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      <uCollectorType>NONE</uCollectorType>
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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>
        <ValueModel>
          <name>concPb206_ib</name>
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        <ValueModel>
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        <ValueModel>
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      <sampleName>MI-WSB1</sampleName>
      <fractionID>z4</fractionID>
      <grainID>z4</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 5:18 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>
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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>
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        <comment>No comment</comment>
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          <entry>
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          <entry>
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      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
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      <imageURL URL=""/>
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        <labName>Unknown Lab</labName>
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      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 5:18 PM</timeStamp>
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        <labName>Unknown Lab</labName>
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        <ValueModel>
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      <fractionID>z8</fractionID>
      <grainID>z8</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 5:18 PM</timeStamp>
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      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
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        <modelName>05-48A Plag Pbc final</modelName>
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        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
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        <comment>No comment</comment>
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          <entry>
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        <ValueModel>
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    <AnalysisFraction>
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      <sampleName>MI-WSB1</sampleName>
      <fractionID>z9</fractionID>
      <grainID>z9</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 5:18 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>ET2535 v.3.0</tracerID>
      <fractionationCorrectedPb>true</fractionationCorrectedPb>
      <alphaPbModelID>#NONE#</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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        </ratios>
        <rhos>
          <entry>
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          <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>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
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      <fractionID>z10</fractionID>
      <grainID>z10</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 5:18 PM</timeStamp>
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      <annealedAndChemicallyAbraded>true</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
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      <pbBlankID>MIT_BlankIC_092315 v.1.0</pbBlankID>
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        <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>0.0018332276167629972196590136</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000887364284991317</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>
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        <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>
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        <ValueModel>
          <name>r265_267m</name>
          <value>0.992121132335790</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00282914050471543</oneSigma>
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        <ValueModel>
          <name>r270_265m</name>
          <value>0.094163471899534</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0164558080358140</oneSigma>
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        <ValueModel>
          <name>r270_267m</name>
          <value>0.0934215759833094</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0172975673669957</oneSigma>
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        <ValueModel>
          <name>rTh_Umagma</name>
          <value>2.80000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.50000</oneSigma>
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        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00970</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010</oneSigma>
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        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000010000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000001000</oneSigma>
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      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r202_205m</name>
          <value>1.00492078379191000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.01069704245413010000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.00173614426097967</value>
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          <oneSigma>0.0914561931770904</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>980.06046007123600000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.09148970848632630000</oneSigma>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>1.70136404268078</value>
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          <oneSigma>0.00879802706272893</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>11.17157889057880000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.01582093140550570000</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>3.35792953088638000000</value>
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          <oneSigma>0.01132139107920180000</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>87.72979857912200000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.09077789736586050000</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.152290779711422</value>
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          <oneSigma>0.0175149507624163</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>291.87219699550400000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.09286404087099880000</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.506603881300806</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0159775925865779</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.996074036740676</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00282914050471543</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.094163471899534</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.016455808035814</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.0937937952085429</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0172975673669957</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.183243926283398</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00009624940183385892</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.183255534384309</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00009624737517711731</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0759270167265409</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00027963030472776153</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0759268326789037</value>
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          <oneSigma>0.00027963038315236157</oneSigma>
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        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0759222072211967</value>
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        <ValueModel>
          <name>r207_206r_ThPa</name>
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          <oneSigma>0.0002796162163939507</oneSigma>
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        <ValueModel>
          <name>r207_235r</name>
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          <oneSigma>0.007321604425007291</oneSigma>
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        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>1.91747987855828</value>
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          <oneSigma>0.007321605900357916</oneSigma>
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        <ValueModel>
          <name>r208_206r</name>
          <value>0.266282539946015</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.3157393704668917</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.31566863007256574</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.31566856646330754</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.18470968413498975</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.18470997809799858</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.18464603949213637</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.18464633344564838</value>
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          <oneSigma>0</oneSigma>
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      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
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          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>524374.979004034</oneSigma>
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        <ValueModel>
          <name>age206_238r_Th</name>
          <value>1084735323.55941</value>
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        <ValueModel>
          <name>age207_206r</name>
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        <ValueModel>
          <name>age207_206r_Pa</name>
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        <ValueModel>
          <name>age207_206r_Th</name>
          <value>1092119258.02134</value>
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        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>1092114403.10819</value>
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        <ValueModel>
          <name>age207_235r</name>
          <value>1087192751.68663</value>
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          <oneSigma>2548165.3760755584</oneSigma>
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        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>1087191134.02578</value>
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        <ValueModel>
          <name>bestAge</name>
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        <ValueModel>
          <name>percentDiscordance</name>
          <value>0.6934377120817000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
          <value>0.000000000609790176763166</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>concPb206_r</name>
          <value>0.0000000344319131002283</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>concPb206_rib</name>
          <value>0.0000000350417032769914</value>
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        <ValueModel>
          <name>concPb_ib</name>
          <value>0.00000000241898394592484</value>
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        <ValueModel>
          <name>concPb_r</name>
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          <uncertaintyType>ABS</uncertaintyType>
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        <ValueModel>
          <name>concPb_rib</name>
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        <ValueModel>
          <name>concU</name>
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        <ValueModel>
          <name>massPb_rib</name>
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        <ValueModel>
          <name>massU</name>
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        <ValueModel>
          <name>radToCommonTotal</name>
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        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.881226005018012</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>totCommonPbMass</name>
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          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>totRadiogenicPbMass</name>
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      </compositionalMeasures>
      <sampleIsochronRatios>
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        <ValueModel>
          <name>r207_206s</name>
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        <ValueModel>
          <name>r235_207s</name>
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        <ValueModel>
          <name>r238_206s</name>
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        <ValueModel>
          <name>r238_207s</name>
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          <oneSigma>0</oneSigma>
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      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>MI-WSB1</sampleName>
      <fractionID>z11</fractionID>
      <grainID>z11</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 5:18 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>ET2535 v.3.0</tracerID>
      <fractionationCorrectedPb>true</fractionationCorrectedPb>
      <alphaPbModelID>#NONE#</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>
            <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>0.0017753153975292602389026214</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000879777904812093</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>
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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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          <name>r207_206r</name>
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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_Th__r207_235r</name>
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        <ValueModel>
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      <compositionalMeasures>
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        <ValueModel>
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      <sampleName>MI-WSB1</sampleName>
      <fractionID>z12</fractionID>
      <grainID>z12</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 5:18 PM</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>MIT_BlankIC_092315 v.1.0</pbBlankID>
      <tracerID>ET2535 v.3.0</tracerID>
      <fractionationCorrectedPb>true</fractionationCorrectedPb>
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      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
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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>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>
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        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.01140</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>r202_205m</name>
          <value>1.00467785241818000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.01407474928665440000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.000410871399256087</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.448231766602645</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>4385.72236511380000000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.44860950070068000000</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>1.79953921071289</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0152945330630736</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>12.77709023857410000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.02483055540952030000</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>3.85359642385646000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.02848276160043840000</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>343.27022141148000000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.44844513045856500000</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.140836726891715</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0310216403487895</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>1138.44164307201000000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.45373579741580200000</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.46703596681089</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0325445060391117</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.99597409138391900000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00433838060025106000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.10090486579178200000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.02605904333391590000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.10049861472371500000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.02529052864643130000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.183100204773171</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000061267740607187</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.183112069131504</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00006127396081645523</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0756748516462232</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00005425131704731031</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0756746674541214</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00005425163514625354</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0756699484546369</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00005424968244068516</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0756697642744695</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00005425000050236085</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>1.90961734818765</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.001590457110046948</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>1.90961270019132</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0015904639017496934</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.253494231228453</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.47760422835314786</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.47760218885640504</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.4775374876656574</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.47753544845391493</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.08791807846316406</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.08791869949655044</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.08782039697177071</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.0878210186249407</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>1083889027.2963355</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>333832.4432390778</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>1083953672.86399</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>333862.98754545086</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>1085580131.44351</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1472437.4588385301</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>1085575251.77564</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1472450.3405819593</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>1085450229.48053</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1472514.6458230691</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>1085445349.71810</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1472527.5276085215</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>1084451009.86846</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>555029.4087569381</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>1084449387.83370</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>555032.6655321519</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>1083889027.2963355</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>333832.4432390778</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>0.1557788410263000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
          <value>0.000000000134387860049956</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_r</name>
          <value>0.0000000434257364289319</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_rib</name>
          <value>0.0000000435601242889818</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_ib</name>
          <value>0.000000000533104809450372</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_r</name>
          <value>0.0000000578431292882460</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_rib</name>
          <value>0.0000000583762340976964</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU</name>
          <value>0.000000276067289661777</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.000000000058376234097696363940628461925722800000000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.000000000276067289661777326943342526000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>108.502358753585</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.838867648186122</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.000000000000533104809450372457492922302315246506000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.000000000057843129288245991483135539623407553494000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>5881.74214927808</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0756748516462232</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>0.523665121155850</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>5.46149034207157</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>72.1704796674569</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>