<?xml version="1.0" encoding="utf-8"?>
<!--
    *****************************************************************************
    * This XML file was generated by ET_Redux.                                  *
    * For more info, visit https://CIRDLES.org                                  *
    *****************************************************************************
-->
<Aliquot  xmlns="https://raw.githubusercontent.com/EARTHTIME/Schema"
        xmlns:xs="http://www.w3.org/2001/XMLSchema"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="https://raw.githubusercontent.com/EARTHTIME/Schema
                            https://raw.githubusercontent.com/EARTHTIME/Schema/master/AliquotXMLSchema.xsd">
  <keyWordsCSV></keyWordsCSV>
  <mySESARSampleMetadata>
    <stratigraphicFormationName>NONE</stratigraphicFormationName>
    <stratigraphicGeologicAgeMa>NONE ( 0 Ma - 0 Ma )</stratigraphicGeologicAgeMa>
    <stratigraphicMinAbsoluteAgeMa>0.0</stratigraphicMinAbsoluteAgeMa>
    <stratigraphicMaxAbsoluteAgeMa>0.0</stratigraphicMaxAbsoluteAgeMa>
    <detritalType>NONE</detritalType>
  </mySESARSampleMetadata>
  <analysisPurpose>SingleAge</analysisPurpose>
  <sampleIGSN>SSR.IENSH0009</sampleIGSN>
  <aliquotIGSN>IENSH000A</aliquotIGSN>
  <aliquotName>MP111-182 zircon</aliquotName>
  <laboratoryName>MIT</laboratoryName>
  <analystName>Seth Burgess</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/20056-concordia-tempConcordia.svg</imageURL>
    </AnalysisImage>
  </analysisImages>
  <mineralStandardModels/>
  <sampleDateModels>
    <SampleDateModel>
      <name>weighted mean 206Pb/238U (Th-corrected)</name>
      <value>1100360961.471380710601806640625</value>
      <uncertaintyType>ABS</uncertaintyType>
      <oneSigma>126567.025011488047312013804912567138671875</oneSigma>
      <meanSquaredWeightedDeviation>1.4436124986174492246249201343744061887264251708984375</meanSquaredWeightedDeviation>
      <internalTwoSigmaUnct>253134.05002297609462402760982513427734375</internalTwoSigmaUnct>
      <internalTwoSigmaUnctWithTracerCalibrationUnct>415897.97438156488351523876190185546875</internalTwoSigmaUnctWithTracerCalibrationUnct>
      <internalTwoSigmaUnctWithTracerCalibrationAndDecayConstantUnct>1248812.0488645094446837902069091796875</internalTwoSigmaUnctWithTracerCalibrationAndDecayConstantUnct>
      <includedFractionsVector>
        <fractionID>z1_1</fractionID>
        <fractionID>z3_1</fractionID>
        <fractionID>z4</fractionID>
        <fractionID>z4_1</fractionID>
        <fractionID>z5</fractionID>
        <fractionID>z6</fractionID>
        <fractionID>z6_1</fractionID>
        <fractionID>z7</fractionID>
        <fractionID>z7_1</fractionID>
      </includedFractionsVector>
      <explanation>Explanation</explanation>
      <comment>Comment</comment>
      <preferred>true</preferred>
    </SampleDateModel>
  </sampleDateModels>
  <pbBlanks>
    <PbBlankICModel>
      <modelName>MIT_TPB_MR_NM_9-12_use_this</modelName>
      <versionNumber>1</versionNumber>
      <minorVersionNumber>0</minorVersionNumber>
      <labName>No Lab</labName>
      <dateCertified>2012-09-21</dateCertified>
      <reference>No reference</reference>
      <comment>No comment</comment>
      <ratios>
        <ValueModel>
          <name>r206_204b</name>
          <value>18.416</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.349</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_204b</name>
          <value>15.358</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.226</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_204b</name>
          <value>37.461</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.735</oneSigma>
        </ValueModel>
      </ratios>
      <rhos>
        <entry>
          <string>rhoR207_204b__r208_204b</string>
          <big-decimal>0.38200000000000000621724893790087662637233734130859375</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_204b__r207_204b</string>
          <big-decimal>0.2240000000000000046629367034256574697792530059814453125</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_204b__r208_204b</string>
          <big-decimal>0.436999999999999999555910790149937383830547332763671875</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 S54 Daly</name>
      <value>0.0025</value>
      <uncertaintyType>ABS</uncertaintyType>
      <oneSigma>0.00020</oneSigma>
    </ValueModel>
  </alphaPbModels>
  <alphaUModels/>
  <analysisFractions>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>MP111-182</sampleName>
      <fractionID>z1</fractionID>
      <grainID>z1</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 4:32 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_TPB_MR_NM_9-12_use_this v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT S54 Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A Plag Pbc final</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-07-11</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
        <ratios>
          <ValueModel>
            <name>r206_204c</name>
            <value>17.89</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05000000000000000000</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r207_204c</name>
            <value>15.59</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.0500000000000000000</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.10000000000000000000</oneSigma>
          </ValueModel>
        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0025</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000924985306930954</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</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>0.01000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8180</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.01000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.992366774936170</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00536764965906624</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.0702544445743996</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0281409984754908</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.0697185656653118</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0275902007055272</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>3.00000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.50000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.01130</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>0.000348750033333333</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.323711815951791</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>3609.98324987368</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.333572051098568</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>1.25825124258621</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0170692775158088</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>12.6125175980333</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0319517907914045</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>7.4463097128</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.029402251416869</oneSigma>
          <fracCorr>false</fracCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r208_204m</name>
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          <oneSigma>0.346257794082666</oneSigma>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r208_205m</name>
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          <oneSigma>0.032583464432618</oneSigma>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r233_235m</name>
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          <oneSigma>0.00536764965906625</oneSigma>
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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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          <oneSigma>0.0275902007055272</oneSigma>
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          <oxideCorr>true</oxideCorr>
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      </measuredRatios>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
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        <ValueModel>
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      <sampleName>MP111-182</sampleName>
      <fractionID>z1_1</fractionID>
      <grainID>z1_1</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 4:32 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_TPB_MR_NM_9-12_use_this v.1.0</pbBlankID>
      <tracerID>ET2535 v.3.0</tracerID>
      <fractionationCorrectedPb>true</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>
            <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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          <oxideCorr>true</oxideCorr>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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      <fractionID>z3</fractionID>
      <grainID>z3</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 4:32 PM</timeStamp>
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      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
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        <modelName>05-48A Plag Pbc final</modelName>
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        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
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        <comment>No comment</comment>
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        <ValueModel>
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        <ValueModel>
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          <oneSigma>0</oneSigma>
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      <compositionalMeasures>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>totCommonPbMass</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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      <sampleName>MP111-182</sampleName>
      <fractionID>z3_1</fractionID>
      <grainID>z3_1</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 4:32 PM</timeStamp>
      <mineralName>other</mineralName>
      <settingType>other</settingType>
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      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>MIT_TPB_MR_NM_9-12_use_this 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>
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        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
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          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </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>
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    <AnalysisFraction>
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      <timeStamp>October 21, 2017 4:32 PM</timeStamp>
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      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>MIT_TPB_MR_NM_9-12_use_this v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT S54 Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A Plag Pbc final</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-07-11</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
        <ratios>
          <ValueModel>
            <name>r206_204c</name>
            <value>17.89</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.05000000000000000000</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r207_204c</name>
            <value>15.59</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.0500000000000000000</oneSigma>
          </ValueModel>
          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
            <uncertaintyType>ABS</uncertaintyType>
            <oneSigma>0.10000000000000000000</oneSigma>
          </ValueModel>
        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0025</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.00111165678176498</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</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>0.01000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8180</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.01000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.992241394206475</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0116147701679112</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.139342739879007</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0530229602111579</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_267m</name>
          <value>0.138161443286755</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0509696452741631</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Umagma</name>
          <value>3.00000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.50000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.01220</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>0.0004873058</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.722541664565281</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>5222.02657404912</value>
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          <oneSigma>0.732565943248419</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>2.54420624985714</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0157634051986275</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>12.7635220531225</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0468559755272386</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>5.39813861532653</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0326845095854839</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>409.130645587653</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.760233299969696</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.199342042061224</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0538036684494788</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>964.171672302687</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.739469994489538</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.471310056061224</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0398929776183301</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.996195258896834</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0116147701679112</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.139342739879007</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0530229602111579</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.138711986385813</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0509696452741633</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.186250511242117</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00011446695367343121</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.186264072697104</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0001144674184088931</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0762754399761469</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00006348928147791612</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0762752588995350</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00006348956345949117</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0762698865383264</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00006348627776960495</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0762697054748983</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00006348655972526571</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>1.95788932350319</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0022274196434940827</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>1.95788467550686</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0022274244930172763</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.180607030595089</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.6964410716984187</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.6964395554148626</value>
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          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.696426542007947</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.6964250257560249</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.21349693070838985</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.21349773538962474</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.2135223893100879</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.21352319375533937</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>1101031438.6155767</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>622045.1637747403</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>1101105134.90082</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>622040.5779828071</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>1101409573.14807</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1671114.741218206</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>1101404824.99160</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1671127.2535252322</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>1101263945.30553</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1671193.194269183</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>1101259197.04634</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1671205.7069070693</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>1101158498.85684</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>764627.7162989478</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>1101156903.29328</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>764630.5825738095</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>1101031438.6155767</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>622045.1637747403</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>0.0343318726941000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.00000000008370306580499025535890088935671880000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.00000000041179858339219179683737445400</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>radToCommonTotal</name>
          <value>111.235717119219</value>
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          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.598225888725455</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.00000000000074577922209985357738238479920000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.00000000008295728658289040178151850455751880000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>6438.42029108615</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0762754399761469</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>0.510754100344513</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>5.36911277897138</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>70.3911086012801</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>MP111-182</sampleName>
      <fractionID>z4_1</fractionID>
      <grainID>z4_1</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 4:32 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_TPB_MR_NM_9-12_use_this 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>
          </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>0.0024747220509320472876783459</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000782142984681358</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
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        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
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        <ValueModel>
          <name>r18O_16O_revised</name>
          <value>0.002050</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</oneSigma>
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        <ValueModel>
          <name>r238_235b</name>
          <value>137.8180</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.01000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8180</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.01000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.991352841486129</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00829418919251232</oneSigma>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
          <name>r233_235m</name>
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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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        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
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        <ValueModel>
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        <ValueModel>
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      <compositionalMeasures>
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        <ValueModel>
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      <sampleName>MP111-182</sampleName>
      <fractionID>z5</fractionID>
      <grainID>z5</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 4:32 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_TPB_MR_NM_9-12_use_this v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT S54 Daly</alphaPbModelID>
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      <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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            <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>
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      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.995654063048848</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00336701456399958</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.164038130229269</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.008747094008133</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_235m</name>
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          <oxideCorr>true</oxideCorr>
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      </measuredRatios>
      <radiogenicIsotopeRatios>
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          <name>r206_238r</name>
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        <ValueModel>
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        <ValueModel>
          <name>r207_206r</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>r208_206r</name>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>age207_206r_Th</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
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        <ValueModel>
          <name>totCommonPbMass</name>
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      <sampleName>MP111-182</sampleName>
      <fractionID>z6</fractionID>
      <grainID>z6</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 4:32 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_TPB_MR_NM_9-12_use_this 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>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
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          <entry>
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          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
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      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
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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>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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      <compositionalMeasures>
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        <ValueModel>
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      <sampleName>MP111-182</sampleName>
      <fractionID>z6_1</fractionID>
      <grainID>z6_1</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 4:32 PM</timeStamp>
      <mineralName>other</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
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      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>MIT_TPB_MR_NM_9-12_use_this v.1.0</pbBlankID>
      <tracerID>ET2535 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>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
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          <entry>
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            <big-decimal>0.5</big-decimal>
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          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
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      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
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        <MeasuredRatioModel>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.567885604583737</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.000000000000534692082649929159707083200228048000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
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          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>4097.60394112169</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>r207_206s</name>
          <value>0.0761846939034614</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>r235_207s</name>
          <value>0.511589474423098</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>r238_206s</name>
          <value>5.37149617448820</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>r238_207s</name>
          <value>70.5062381860426</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>MP111-182</sampleName>
      <fractionID>z7</fractionID>
      <grainID>z7</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 4:32 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_TPB_MR_NM_9-12_use_this v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>MIT S54 Daly</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A Plag Pbc final</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-07-11</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
        <ratios>
          <ValueModel>
            <name>r206_204c</name>
            <value>17.89</value>
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            <oneSigma>0.05000000000000000000</oneSigma>
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          <ValueModel>
            <name>r207_204c</name>
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            <oneSigma>0.0500000000000000000</oneSigma>
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          <ValueModel>
            <name>r208_204c</name>
            <value>37.76</value>
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            <oneSigma>0.10000000000000000000</oneSigma>
          </ValueModel>
        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0025</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00020</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000907267683183758</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
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        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
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        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
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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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          <oneSigma>0.01000</oneSigma>
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        <ValueModel>
          <name>r238_235s</name>
          <value>137.8180</value>
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          <oneSigma>0.01000</oneSigma>
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        <ValueModel>
          <name>r265_267m</name>
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          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00453124985444946</oneSigma>
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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>
          <value>3.00000</value>
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          <oneSigma>0.50000</oneSigma>
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        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.01020</value>
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          <oneSigma>0.00010</oneSigma>
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        <ValueModel>
          <name>uBlankMassInGrams</name>
          <value>0.00000000000010000</value>
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          <oneSigma>0.00000000000001000</oneSigma>
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      </analysisMeasures>
      <measuredRatios>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.0004526079</value>
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          <oneSigma>0.401147578082838</oneSigma>
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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>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r208_205m</name>
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        <MeasuredRatioModel>
          <name>r233_235m</name>
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          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_233m</name>
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          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
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          <value>0.306754114225938</value>
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          <oneSigma>0.00907431380704352</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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      <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>
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        <ValueModel>
          <name>r207_206r_Pa</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <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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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>age207_206r_Th</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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          <uncertaintyType>NONE</uncertaintyType>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>massPb_rib</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>rTh_Usample</name>
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        <ValueModel>
          <name>totCommonPbMass</name>
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        <ValueModel>
          <name>totRadiogenicPbMass</name>
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      <sampleIsochronRatios>
        <ValueModel>
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          <oneSigma>0</oneSigma>
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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>
          <value>70.4197602196412</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>MP111-182</sampleName>
      <fractionID>z7_1</fractionID>
      <grainID>z7_1</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 4:32 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_TPB_MR_NM_9-12_use_this 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>
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            <oneSigma>0.05000000000000000000</oneSigma>
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          <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>
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            <oneSigma>0.10000000000000000000</oneSigma>
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        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0018699802977585613498117197</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>alphaU</name>
          <value>0.000823678550958204</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
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        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <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>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.01000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_235s</name>
          <value>137.8180</value>
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          <oneSigma>0.01000</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r265_267m</name>
          <value>0.991459432077947</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00690801222378743</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r270_265m</name>
          <value>0.169065816579629</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0230856626300406</oneSigma>
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        <ValueModel>
          <name>r270_267m</name>
          <value>0.167621885141846</value>
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          <oneSigma>0.0235304166042937</oneSigma>
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        <ValueModel>
          <name>rTh_Umagma</name>
          <value>3.00000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.50000</oneSigma>
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        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00600</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>1.00476120661165</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0122726630454678</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.00065720289475608</value>
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          <oneSigma>0.267090042805241</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
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          <oneSigma>0.276197665615481</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>3.10320491262659</value>
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          <oneSigma>0.0137456365213314</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>12.676754627599</value>
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          <oneSigma>0.0182950794236166</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>5.44947763106204</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0186029592139162</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>372.319857187949</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.269682591895558</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.244796021287855</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0232756897258479</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>866.043672723823</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.266916616681359</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.569420209480357</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0253284095497635</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.995407054931422</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00690801222378743</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.169065816579629</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0230856626300406</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.16828929316997</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0235304166042938</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.186114630320159</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0000635971051216943</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.186128257497010</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00006359912400027152</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0762744947029748</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0000418332557998196</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0762743134941601</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00004183365312586174</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0762689103492473</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00004183118368379338</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0762687291536996</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000041831580970583734</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>1.95643667957317</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0013157245015373064</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>1.95643203157683</value>
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          <oneSigma>0.0013157327113876636</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.177100248085496</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.5721553943746301</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.5721518242648865</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.5721270410576815</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.5721234711248558</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.07844573064253113</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.0784464659538962</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.07843495127782478</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.07843568663180822</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>1100292981.7161725</value>
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          <oneSigma>345643.8947111256</oneSigma>
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        <ValueModel>
          <name>age206_238r_Th</name>
          <value>1100367043.63164</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>345650.8959582166</oneSigma>
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        <ValueModel>
          <name>age207_206r</name>
          <value>1101384786.21373</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1106517.8197806973</oneSigma>
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        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>1101380034.51428</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1106531.558699366</oneSigma>
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        <ValueModel>
          <name>age207_206r_Th</name>
          <value>1101238345.27042</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1106567.6572677586</oneSigma>
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        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>1101233593.46758</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>1106581.396350775</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>1100659713.34591</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>451883.299529574</oneSigma>
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        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>1100658116.99837</value>
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          <oneSigma>451886.82962759</oneSigma>
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        <ValueModel>
          <name>bestAge</name>
          <value>1100292981.7161725</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>345643.8947111256</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>0.0991301597066000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.00000000004998945475424846067828891606617040000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.000000000246481250989191786882779018500</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>radToCommonTotal</name>
          <value>96.7618018534505</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.586586350692120</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.00000000000051133933506243061344879604791936000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.00000000004947811541918603006484012001825104000</value>
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          <oneSigma>0</oneSigma>
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      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>5618.80865283662</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>r207_206s</name>
          <value>0.0762744947029748</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>r235_207s</name>
          <value>0.511133332573876</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>r238_206s</name>
          <value>5.37303272869939</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>r238_207s</name>
          <value>70.4433736286664</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>MP111-182</sampleName>
      <fractionID>z8_1</fractionID>
      <grainID>z8_1</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>October 21, 2017 4:32 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_TPB_MR_NM_9-12_use_this 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>
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            <oneSigma>0.10000000000000000000</oneSigma>
          </ValueModel>
        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.0015781852365946646394312944</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>alphaU</name>
          <value>0.000889794240825536</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>ar231_235sample</name>
          <value>1.10000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.10000</oneSigma>
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        <ValueModel>
          <name>pbBlankMassInGrams</name>
          <value>0.00000000000090000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00000000000030000</oneSigma>
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        <ValueModel>
          <name>r18O_16O</name>
          <value>0.0020</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000020</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>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.01000</oneSigma>
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        <ValueModel>
          <name>r238_235s</name>
          <value>137.8180</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.01000</oneSigma>
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        <ValueModel>
          <name>r265_267m</name>
          <value>0.990902032874997</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00414860427786553</oneSigma>
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        <ValueModel>
          <name>r270_265m</name>
          <value>0.265288097908228</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00937965312277847</oneSigma>
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        <ValueModel>
          <name>r270_267m</name>
          <value>0.262868564949901</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0100463266602669</oneSigma>
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        <ValueModel>
          <name>rTh_Umagma</name>
          <value>3.00000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.50000</oneSigma>
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        <ValueModel>
          <name>tracerMassInGrams</name>
          <value>0.00600</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>1.00417653837522</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0132516712217155</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r204_205m</name>
          <value>0.000615228343919504</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.319822928587925</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_204m</name>
          <value>7975.49967666216</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.316862830122604</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>4.90358993997777</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0128299704177149</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>12.845323277756</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0173185349998793</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>6.09967188423077</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0128770877106986</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>620.945043704383</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.3177572582053</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.381685725951541</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0254281001043732</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>1307.29976196497</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.31666726082844</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.803965708081041</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0205988135951915</oneSigma>
          <fracCorr>true</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.994845209436704</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00414860427786553</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.265288097908228</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00937965312277845</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.263914619080109</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0100463266602669</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.186347792641008</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0000405895081471907</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.186361736303466</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000040592414485277243</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0763055409055663</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000027393281276898566</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0763053599234835</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000027393883682987797</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0762998316933260</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000027392215622198286</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0762996507247844</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000027392817959323806</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>1.95968501255744</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0008757639594791291</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>1.95968036456110</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00087577629369178</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.160166754113664</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.5805054546952811</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.5804972790027249</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.5804581685346563</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.580449993508066</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.11557279414986563</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.1155716924463406</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.11551176778416507</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.1155106675582039</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>1101560071.0341294</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>220556.5539785566</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>1101635838.10323</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>220569.75407801886</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>1102198670.82058</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>732450.4549712968</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>1102193927.57098</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>732468.1837963848</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>1102049034.51021</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>732492.0279825694</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>1102044291.15518</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>732509.7567183091</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>1101774735.23581</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>300449.5003134928</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>1101773140.64030</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>300454.20367229055</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>1101560071.0341294</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>220556.5539785566</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>0.0579387186137000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.000000000077703175088813505944427618326061600000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.00000000038954830482462957097660529400</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>163.461278159564</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.530535806324253</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.000000000000472470942451414438315190164762368000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.000000000077230704146362091506112428161299232000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>9609.63358652927</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0763055409055663</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>0.510286088627566</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>5.36630987589138</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>70.3266081624738</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>