<?xml version="1.0" encoding="utf-8"?>
<!--
    *****************************************************************************
    * This XML file was generated by ET_Redux.                                  *
    * For more info, visit https://CIRDLES.org                                  *
    *****************************************************************************
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        xsi:schemaLocation="https://raw.githubusercontent.com/EARTHTIME/Schema
                            https://raw.githubusercontent.com/EARTHTIME/Schema/master/AliquotXMLSchema.xsd">
  <keyWordsCSV></keyWordsCSV>
  <mySESARSampleMetadata>
    <stratigraphicFormationName>NONE</stratigraphicFormationName>
    <stratigraphicGeologicAgeMa>NONE ( 0 Ma - 0 Ma )</stratigraphicGeologicAgeMa>
    <stratigraphicMinAbsoluteAgeMa>0.0</stratigraphicMinAbsoluteAgeMa>
    <stratigraphicMaxAbsoluteAgeMa>0.0</stratigraphicMaxAbsoluteAgeMa>
    <detritalType>NONE</detritalType>
  </mySESARSampleMetadata>
  <analysisPurpose>NONE</analysisPurpose>
  <sampleIGSN>SSR.58052/IECAR000E</sampleIGSN>
  <aliquotIGSN>10.58052/IECAR000E</aliquotIGSN>
  <aliquotName>zircon</aliquotName>
  <laboratoryName>RIGL</laboratoryName>
  <analystName>MassSpec</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/>
  <mineralStandardModels/>
  <sampleDateModels/>
  <pbBlanks>
    <PbBlankICModel>
      <modelName>20250504_RIGL</modelName>
      <versionNumber>1</versionNumber>
      <minorVersionNumber>0</minorVersionNumber>
      <labName>No Lab</labName>
      <dateCertified>2025-05-04</dateCertified>
      <reference>No reference</reference>
      <comment>No comment</comment>
      <ratios>
        <ValueModel>
          <name>r206_204b</name>
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          <uncertaintyType>ABS</uncertaintyType>
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        <ValueModel>
          <name>r207_204b</name>
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          <uncertaintyType>ABS</uncertaintyType>
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        </ValueModel>
        <ValueModel>
          <name>r208_204b</name>
          <value>38.28</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.49</oneSigma>
        </ValueModel>
      </ratios>
      <rhos>
        <entry>
          <string>rhoR207_204b__r208_204b</string>
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        </entry>
        <entry>
          <string>rhoR206_204b__r207_204b</string>
          <big-decimal>0.67000000000000003996802888650563545525074005126953125</big-decimal>
        </entry>
        <entry>
          <string>rhoR206_204b__r208_204b</string>
          <big-decimal>0.786000000000000031974423109204508364200592041015625</big-decimal>
        </entry>
      </rhos>
    </PbBlankICModel>
  </pbBlanks>
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    <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>
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          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000009</oneSigma>
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        <ValueModel>
          <name>r206_205t</name>
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          <uncertaintyType>ABS</uncertaintyType>
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        <ValueModel>
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          <uncertaintyType>ABS</uncertaintyType>
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          <name>r233_235t</name>
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          <uncertaintyType>ABS</uncertaintyType>
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        <ValueModel>
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          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000000395548132250173</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb205t</name>
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          <uncertaintyType>ABS</uncertaintyType>
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        <ValueModel>
          <name>concU235t</name>
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          <uncertaintyType>ABS</uncertaintyType>
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      </ratios>
      <rhos>
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          <string>rhoR206_205t__concU235t</string>
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        <entry>
          <string>rhoR204_205t__r207_205t</string>
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        <entry>
          <string>rhoR207_205t__concU235t</string>
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        </entry>
        <entry>
          <string>rhoR233_235t__concU235t</string>
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        <entry>
          <string>rhoR204_205t__r206_205t</string>
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        <entry>
          <string>rhoR238_235t__concU235t</string>
          <big-decimal>-0.0213714959352477</big-decimal>
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        <entry>
          <string>rhoR233_235t__r238_235t</string>
          <big-decimal>-0.593855080520382</big-decimal>
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        <entry>
          <string>rhoR206_205t__r208_205t</string>
          <big-decimal>0.988226606955946</big-decimal>
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        <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>RIGL_Pb_Daly_20230421</name>
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      <uncertaintyType>ABS</uncertaintyType>
      <oneSigma>0.00027</oneSigma>
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  </alphaPbModels>
  <alphaUModels/>
  <analysisFractions>
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      <isLegacy>false</isLegacy>
      <sampleName>SH24-084B</sampleName>
      <fractionID>z01</fractionID>
      <grainID>z01</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 5:01 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
      <staceyKramersOnePctUnct>1.0000</staceyKramersOnePctUnct>
      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>20250504_RIGL v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>RIGL_Pb_Daly_20230421</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-09-01</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>
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            <uncertaintyType>ABS</uncertaintyType>
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            <name>r207_204c</name>
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        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
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          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
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          <entry>
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            <big-decimal>0.5</big-decimal>
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        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.00159</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00027</oneSigma>
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          <name>alphaU</name>
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        <ValueModel>
          <name>ar231_235sample</name>
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          <name>fractionMass</name>
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        <ValueModel>
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          <name>r238_235b</name>
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          <name>r238_235s</name>
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        <ValueModel>
          <name>rTh_Umagma</name>
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        <ValueModel>
          <name>tracerMassInGrams</name>
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        <ValueModel>
          <name>uBlankMassInGrams</name>
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          <uncertaintyType>ABS</uncertaintyType>
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      </analysisMeasures>
      <measuredRatios>
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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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        <MeasuredRatioModel>
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        <ValueModel>
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      </radiogenicIsotopeRatios>
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        <ValueModel>
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      <compositionalMeasures>
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        <ValueModel>
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      <grainID>z02</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 5:01 PM</timeStamp>
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      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
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        <modelName>05-48A plag Pbc published</modelName>
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        <labName>Unknown Lab</labName>
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        <ValueModel>
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      <fractionID>z03</fractionID>
      <grainID>z03</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 5:01 PM</timeStamp>
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      <settingType>other</settingType>
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      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
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        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
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        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
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          <entry>
            <string>rhoR207_204c__r208_204c</string>
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          <entry>
            <string>rhoR206_204c__r207_204c</string>
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      <pbCollectorType>NONE</pbCollectorType>
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          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
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        <ValueModel>
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        <ValueModel>
          <name>r238_206s</name>
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        <ValueModel>
          <name>r238_207s</name>
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      </sampleIsochronRatios>
    </AnalysisFraction>
    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SH24-084B</sampleName>
      <fractionID>z04</fractionID>
      <grainID>z04</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 5:01 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
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      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>20250504_RIGL v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>RIGL_Pb_Daly_20230421</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-09-01</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
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          <ValueModel>
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        <rhos>
          <entry>
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          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
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          <name>alphaPb</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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      <measuredRatios>
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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>
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      <radiogenicIsotopeRatios>
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        <ValueModel>
          <name>totCommonPbMass</name>
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    <AnalysisFraction>
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      <sampleName>SH24-084B</sampleName>
      <fractionID>z08</fractionID>
      <grainID>z08</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 5:01 PM</timeStamp>
      <mineralName>zircon</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>20250504_RIGL v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
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        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-09-01</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
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        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
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          <entry>
            <string>rhoR207_204c__r208_204c</string>
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          <entry>
            <string>rhoR206_204c__r207_204c</string>
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      <uCollectorType>NONE</uCollectorType>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>r18O_16O_revised</name>
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        <ValueModel>
          <name>r238_235b</name>
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        <ValueModel>
          <name>r238_235s</name>
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        <ValueModel>
          <name>r265_267m</name>
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        <ValueModel>
          <name>r270_265m</name>
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          <name>uBlankMassInGrams</name>
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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>r206_207m</name>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r206_208m</name>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r207_204m</name>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r207_205m</name>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r208_204m</name>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.0408444205283636</value>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.996661343577948</value>
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          <oneSigma>0.00612781359812926</oneSigma>
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          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.0277216462318252</value>
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          <oneSigma>0.0453900599987613</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.0276290926623215</value>
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          <oneSigma>0.0456713279610769</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
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      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
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          <oneSigma>0.00010059613209252355</oneSigma>
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        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.0367283681668520</value>
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          <oneSigma>0.00010056532921787868</oneSigma>
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        <ValueModel>
          <name>r207_206r</name>
          <value>0.0488092199381915</value>
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          <oneSigma>0.0013547677304582442</oneSigma>
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        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0488083013543237</value>
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          <oneSigma>0.0013547694091891383</oneSigma>
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        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0487909953693944</value>
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        <ValueModel>
          <name>r207_206r_ThPa</name>
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          <oneSigma>0.0013543548351577165</oneSigma>
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        <ValueModel>
          <name>r207_235r</name>
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          <oneSigma>0.007245107313264169</oneSigma>
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        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.246967984007084</value>
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        <ValueModel>
          <name>r208_206r</name>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
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        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
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        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
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        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
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        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
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        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
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        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.5429769592600772</value>
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      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
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        <ValueModel>
          <name>age206_238r_Th</name>
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        <ValueModel>
          <name>age207_206r</name>
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        <ValueModel>
          <name>age207_206r_Pa</name>
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        <ValueModel>
          <name>age207_206r_Th</name>
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        <ValueModel>
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        <ValueModel>
          <name>age207_235r</name>
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        <ValueModel>
          <name>age207_235r_Pa</name>
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        <ValueModel>
          <name>bestAge</name>
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          <name>percentDiscordance</name>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
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        <ValueModel>
          <name>concPb206_r</name>
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        <ValueModel>
          <name>concPb206_rib</name>
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        <ValueModel>
          <name>concPb_ib</name>
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        <ValueModel>
          <name>concPb_r</name>
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        <ValueModel>
          <name>concPb_rib</name>
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          <name>concU</name>
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        <ValueModel>
          <name>massPb_rib</name>
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        <ValueModel>
          <name>massU</name>
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        <ValueModel>
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          <name>rTh_Usample</name>
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        <ValueModel>
          <name>totCommonPbMass</name>
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        <ValueModel>
          <name>totRadiogenicPbMass</name>
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      <sampleIsochronRatios>
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          <name>r207_206s</name>
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      </sampleIsochronRatios>
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    <AnalysisFraction>
      <isLegacy>false</isLegacy>
      <sampleName>SH24-084B</sampleName>
      <fractionID>z09</fractionID>
      <grainID>z09</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 5:01 PM</timeStamp>
      <mineralName>zircon</mineralName>
      <settingType>other</settingType>
      <numberOfGrains>1</numberOfGrains>
      <estimatedDate>0.0</estimatedDate>
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      <staceyKramersCorrelationCoeffs>0.5000</staceyKramersCorrelationCoeffs>
      <physicallyAbraded>false</physicallyAbraded>
      <leachedInHFAcid>false</leachedInHFAcid>
      <annealedAndChemicallyAbraded>false</annealedAndChemicallyAbraded>
      <chemicallyPurifiedUPb>false</chemicallyPurifiedUPb>
      <analysisFractionComment>NONE</analysisFractionComment>
      <pbBlankID>20250504_RIGL v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
      <fractionationCorrectedPb>false</fractionationCorrectedPb>
      <alphaPbModelID>RIGL_Pb_Daly_20230421</alphaPbModelID>
      <fractionationCorrectedU>false</fractionationCorrectedU>
      <alphaUModelID>#NONE#</alphaUModelID>
      <initialPbModelET>
        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-09-01</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
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            <name>r206_204c</name>
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          <ValueModel>
            <name>r208_204c</name>
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        </ratios>
        <rhos>
          <entry>
            <string>rhoR206_204c__r208_204c</string>
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          </entry>
          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
      <analysisMeasures>
        <ValueModel>
          <name>alphaPb</name>
          <value>0.00159</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00027</oneSigma>
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        <ValueModel>
          <name>alphaU</name>
          <value>0.000752443757129270</value>
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        <ValueModel>
          <name>ar231_235sample</name>
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        <ValueModel>
          <name>fractionMass</name>
          <value>0.10000</value>
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          <oneSigma>0</oneSigma>
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        <ValueModel>
          <name>pbBlankMassInGrams</name>
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          <oneSigma>0.00000000000030000</oneSigma>
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          <name>r18O_16O</name>
          <value>0.0020</value>
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          <name>r18O_16O_revised</name>
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        <ValueModel>
          <name>r265_267m</name>
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        <ValueModel>
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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>
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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>
          <name>r238_233m</name>
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          <oxideCorr>true</oxideCorr>
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        <MeasuredRatioModel>
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          <oxideCorr>true</oxideCorr>
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      </measuredRatios>
      <radiogenicIsotopeRatios>
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          <name>r206_238r</name>
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        <ValueModel>
          <name>r206_238r_Th</name>
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        <ValueModel>
          <name>r207_206r</name>
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        <ValueModel>
          <name>r207_206r_Pa</name>
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        <ValueModel>
          <name>r207_206r_Th</name>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
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        <ValueModel>
          <name>r208_206r</name>
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        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
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        <ValueModel>
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        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
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        <ValueModel>
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        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
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        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
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        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
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      <radiogenicIsotopeDates>
        <ValueModel>
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        <ValueModel>
          <name>age206_238r_Th</name>
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        <ValueModel>
          <name>age207_206r</name>
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      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
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        <ValueModel>
          <name>concPb206_r</name>
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        <ValueModel>
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        <ValueModel>
          <name>totCommonPbMass</name>
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      <sampleName>SH24-084B</sampleName>
      <fractionID>z14</fractionID>
      <grainID>z14</grainID>
      <zircon>true</zircon>
      <imageURL URL=""/>
      <timeStamp>March 31, 2026 5:01 PM</timeStamp>
      <mineralName>zircon</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>20250504_RIGL v.1.0</pbBlankID>
      <tracerID>ET535 v.3.0</tracerID>
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        <modelName>05-48A plag Pbc published</modelName>
        <versionNumber>1</versionNumber>
        <minorVersionNumber>0</minorVersionNumber>
        <labName>Unknown Lab</labName>
        <dateCertified>2012-09-01</dateCertified>
        <reference>Stacey, J. C. and Kramers, J., 1975. EPSL 26, pp. 207-221</reference>
        <comment>No comment</comment>
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          <entry>
            <string>rhoR206_204c__r208_204c</string>
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          <entry>
            <string>rhoR207_204c__r208_204c</string>
            <big-decimal>0.5</big-decimal>
          </entry>
          <entry>
            <string>rhoR206_204c__r207_204c</string>
            <big-decimal>0.5</big-decimal>
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        </rhos>
      </initialPbModelET>
      <pbCollectorType>NONE</pbCollectorType>
      <uCollectorType>NONE</uCollectorType>
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        <ValueModel>
          <name>alphaPb</name>
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          <oxideCorr>false</oxideCorr>
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        <MeasuredRatioModel>
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        <MeasuredRatioModel>
          <name>r206_205m</name>
          <value>0.159965576723188</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0439368492585529</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_207m</name>
          <value>6.27342403934783000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.12917221768542900000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r206_208m</name>
          <value>2.42945330831884000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.07580649305663880000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_204m</name>
          <value>20.33642006942030000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.36671451153797400000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r207_205m</name>
          <value>0.025502153997971</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.149650103936809</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_204m</name>
          <value>52.51360766086960000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.38267715685853700000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r208_205m</name>
          <value>0.0658473427728986</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.0994960508160362</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>false</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r233_235m</name>
          <value>0.99636829041320000000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.00377142371828523000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_233m</name>
          <value>0.04066564691168930000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.02683411088391580000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
        <MeasuredRatioModel>
          <name>r238_235m</name>
          <value>0.04051795928731900000</value>
          <uncertaintyType>PCT</uncertaintyType>
          <oneSigma>0.02640377449041950000</oneSigma>
          <fracCorr>false</fracCorr>
          <oxideCorr>true</oxideCorr>
        </MeasuredRatioModel>
      </measuredRatios>
      <radiogenicIsotopeRatios>
        <ValueModel>
          <name>r206_238r</name>
          <value>0.0367553616612483</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.00010868640638561999</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r206_238r_Th</name>
          <value>0.0367699689761898</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.000108641872803357</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r</name>
          <value>0.0505018484907710</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0015117747913480086</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Pa</name>
          <value>0.0505009309242528</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.001511776739250795</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_Th</name>
          <value>0.0504817860205928</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0015112878991755294</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206r_ThPa</name>
          <value>0.0504808688185890</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.0015112898443087398</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r</name>
          <value>0.255820588618290</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.008145409243591242</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_235r_Pa</name>
          <value>0.255815940621953</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0.008145410569728923</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r208_206r</name>
          <value>0.151178366940820</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r</name>
          <value>0.6713425763837655</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r__r207_235r_Pa</name>
          <value>0.67134246708385</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r</name>
          <value>0.6710931490983453</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR206_238r_Th__r207_235r_Pa</name>
          <value>0.6710930398390388</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r__r238_206r</name>
          <value>-0.6152901242271954</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Pa__r238_206r</name>
          <value>-0.6152911261905165</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_Th__r238_206r_Th</name>
          <value>-0.6150582546632682</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rhoR207_206r_ThPa__r238_206r_Th</name>
          <value>-0.6150592562142078</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeRatios>
      <radiogenicIsotopeDates>
        <ValueModel>
          <name>age206_238r</name>
          <value>232689713.04273218</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>675798.3777429353</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age206_238r_Th</name>
          <value>232780538.846316</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>675511.9559474484</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r</name>
          <value>217124765.568630</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>69300956.64063741</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Pa</name>
          <value>217082703.662273</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>69302835.75294363</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_Th</name>
          <value>216204839.689611</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>69317778.45001985</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_206r_ThPa</name>
          <value>216162770.737837</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>69319658.10853668</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r</name>
          <value>231293308.002369</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>6585901.348284126</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>age207_235r_Pa</name>
          <value>231289549.897518</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>6585926.796108157</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>bestAge</name>
          <value>232689713.04273218</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>675798.3777429353</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>percentDiscordance</name>
          <value>-7.168665183513000</value>
          <uncertaintyType>NONE</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </radiogenicIsotopeDates>
      <compositionalMeasures>
        <ValueModel>
          <name>concPb206_ib</name>
          <value>0.00000000000368022936522637</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_r</name>
          <value>0.0000000000234773405402637</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb206_rib</name>
          <value>0.0000000000271575699054900</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_ib</name>
          <value>0.0000000000146416428687224</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_r</name>
          <value>0.0000000000282525210208562</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concPb_rib</name>
          <value>0.0000000000428941638895787</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>concU</name>
          <value>0.000000000743506513036856</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massPb_rib</name>
          <value>0.000000000004289416388957867647463506166646113280000</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>massU</name>
          <value>0.000000000074350651303685554527419037150</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>radToCommonTotal</name>
          <value>1.92960047408405</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>rTh_Usample</name>
          <value>0.477615884925533</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totCommonPbMass</name>
          <value>0.000000000001464164286872243897804434345814651289600</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>totRadiogenicPbMass</name>
          <value>0.000000000002825252102085623749659071820831461990400</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </compositionalMeasures>
      <sampleIsochronRatios>
        <ValueModel>
          <name>r206_204tfc</name>
          <value>137.402835925994</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r207_206s</name>
          <value>0.0505018484907710</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r235_207s</name>
          <value>3.90898952035523</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_206s</name>
          <value>27.2069149860744</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
        <ValueModel>
          <name>r238_207s</name>
          <value>538.731072211077</value>
          <uncertaintyType>ABS</uncertaintyType>
          <oneSigma>0</oneSigma>
        </ValueModel>
      </sampleIsochronRatios>
    </AnalysisFraction>
  </analysisFractions>
  <physicalConstantsModelII>
    <modelName>EARTHTIME Physical Constants Model</modelName>
    <versionNumber>1</versionNumber>
    <minorVersionNumber>1</minorVersionNumber>
    <labName>EARTHTIME</labName>
    <dateCertified>2015-01-01</dateCertified>
    <reference>See individual constants for reference.</reference>
    <comment>This Physical Constants Model is the accepted default as of 2015.</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>0.0000091705</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.075</oneSigma>
        <reference>Cheng et al. 2013</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda231</name>
        <value>0.00002118870000000000</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.33578000000000000000</oneSigma>
        <reference>Robert et al. 1969</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda232</name>
        <value>0.0000000000493343</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.042769</oneSigma>
        <reference>Holden 1990</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda234</name>
        <value>0.00000282206</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.05351</oneSigma>
        <reference>Cheng et al. 2013</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda235</name>
        <value>0.00000000098485000000</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.06803100000000000000</oneSigma>
        <reference>Jaffey et al. 1971</reference>
      </ValueModelReferenced>
      <ValueModelReferenced>
        <name>lambda238</name>
        <value>0.00000000015512500000</value>
        <uncertaintyType>PCT</uncertaintyType>
        <oneSigma>0.05350500000000000000</oneSigma>
        <reference>Jaffey et al. 1971</reference>
      </ValueModelReferenced>
    </ratios>
    <rhos/>
    <atomicMolarMasses>
      <entry>
        <string>gmol235</string>
        <big-decimal>235.043922</big-decimal>
      </entry>
      <entry>
        <string>gmol204</string>
        <big-decimal>203.973028</big-decimal>
      </entry>
      <entry>
        <string>gmol205</string>
        <big-decimal>204.9737</big-decimal>
      </entry>
      <entry>
        <string>gmol238</string>
        <big-decimal>238.050785</big-decimal>
      </entry>
      <entry>
        <string>gmol206</string>
        <big-decimal>205.974449</big-decimal>
      </entry>
      <entry>
        <string>gmol207</string>
        <big-decimal>206.975880</big-decimal>
      </entry>
      <entry>
        <string>gmol208</string>
        <big-decimal>207.976636</big-decimal>
      </entry>
      <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>
