<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="3_13mbsf" accession="SRS8427014">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427014</PRIMARY_ID>
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    </IDENTIFIERS>
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      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
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      <SAMPLE_LINK>
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          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 13.91 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
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        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
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        <VALUE>32.706037 S 57.278133 E</VALUE>
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        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
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        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="27_241mbsf" accession="SRS8427015">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427015</PRIMARY_ID>
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      <TAXON_ID>1564682</TAXON_ID>
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        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 241.09 mbsf</VALUE>
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        <VALUE>2015-12-20/2016-01-23</VALUE>
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        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
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        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
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        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
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        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
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  </SAMPLE>
  <SAMPLE alias="28_247mbsf" accession="SRS8427016">
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      <PRIMARY_ID>SRS8427016</PRIMARY_ID>
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      <TAXON_ID>1564682</TAXON_ID>
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      <SAMPLE_LINK>
        <XREF_LINK>
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          <ID>708326</ID>
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        <TAG>host</TAG>
        <VALUE>none</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 247.71 mbsf</VALUE>
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        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
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        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
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        <VALUE>32.706037 S 57.278133 E</VALUE>
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        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
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        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
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        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="32_285mbsf" accession="SRS8427017">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427017</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233558</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
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      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
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    </SAMPLE_LINKS>
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        <TAG>host</TAG>
        <VALUE>none</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 285.43 mbsf</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
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        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
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        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="33_299mbsf" accession="SRS8427018">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427018</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233559</EXTERNAL_ID>
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      <TAXON_ID>1564682</TAXON_ID>
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          <DB>bioproject</DB>
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        <TAG>host</TAG>
        <VALUE>none</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 299.61 mbsf</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
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        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
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        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
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        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
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  <SAMPLE alias="4_26mbsf" accession="SRS8427019">
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      <PRIMARY_ID>SRS8427019</PRIMARY_ID>
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      <TAXON_ID>1564682</TAXON_ID>
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        <VALUE>none</VALUE>
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        <VALUE>Hole U1473A subsurface rock sample depth 26.91 mbsf</VALUE>
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        <VALUE>2015-12-20/2016-01-23</VALUE>
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        <TAG>BioSampleModel</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 332.78 mbsf</VALUE>
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      <SAMPLE_ATTRIBUTE>
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        <VALUE>2015-12-20/2016-01-23</VALUE>
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          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 375.08 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="6_44mbsf" accession="SRS8427025">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427025</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233546</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 44.49 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="47_420mbsf" accession="SRS8427026">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427026</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233565</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 420.98 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="44_404mbsf" accession="SRS8427027">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427027</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233564</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 404.92 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="50_452mbsf" accession="SRS8427028">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427028</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233567</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 452.89 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="48_432mbsf" accession="SRS8427029">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427029</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233566</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 432.84 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="59_533mbsf" accession="SRS8427030">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427030</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233569</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 533.45 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="58_522mbsf" accession="SRS8427031">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427031</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233568</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 522.73 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="62b_564mbsf" accession="SRS8427032">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427032</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233570</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 564.77 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="66_600mbsf" accession="SRS8427033">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427033</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233571</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 600.51 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="78_682mbsf" accession="SRS8427034">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427034</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233573</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 682.32 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="69_626mbsf" accession="SRS8427035">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427035</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233572</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 626.26 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="8_64mbsf" accession="SRS8427036">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427036</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233547</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 64.52 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="89_781mbsf" accession="SRS8427037">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427037</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233576</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 781.45 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="86_756mbsf" accession="SRS8427038">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427038</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233575</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 756.28 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="80_711mbsf" accession="SRS8427039">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427039</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233574</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 711.34 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="9R1_70mbsf_C" accession="SRS8427040">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427040</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233577</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 70.89 mbsf, Carbon (lactate, acetate and formate) addition</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="9R1_70mbsf_N" accession="SRS8427041">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427041</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233578</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 70.89 mbsf, ammonium addition</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="9R1_70mbsf_NAN" accession="SRS8427042">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427042</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233579</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
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      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 70.89 mbsf, no added nutrients</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="9R1_70mbsf_NP" accession="SRS8427043">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427043</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233580</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 70.89 mbsf, ammonium and phosphate addition</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="11R1_91mbsf_C" accession="SRS8427044">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427044</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233581</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 91.29 mbsf, Carbon (lactate, acetate and formate) addition</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
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        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
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        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <EXTERNAL_ID namespace="BioSample">SAMN18233582</EXTERNAL_ID>
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      <TAXON_ID>1564682</TAXON_ID>
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      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
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          <LABEL>PRJNA708326</LABEL>
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        <VALUE>Metagenome or environmental</VALUE>
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  </SAMPLE>
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        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="28R2_247mbsf_NAN" accession="SRS8427055">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427055</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233591</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 247.71 mbsf, no added nutrients</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427056</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233592</EXTERNAL_ID>
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      <TAXON_ID>1564682</TAXON_ID>
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        <XREF_LINK>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
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      <SAMPLE_ATTRIBUTE>
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        <VALUE>2015-12-20/2016-01-23</VALUE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
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      <SAMPLE_ATTRIBUTE>
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        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
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        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <PRIMARY_ID>SRS8427057</PRIMARY_ID>
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        <XREF_LINK>
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          <ID>708326</ID>
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    </SAMPLE_LINKS>
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        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 274.55 mbsf, Carbon (lactate, acetate and formate) addition</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
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        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
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      <SAMPLE_ATTRIBUTE>
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        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <PRIMARY_ID>SRS8427058</PRIMARY_ID>
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        <VALUE>none</VALUE>
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        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 111.98 mbsf</VALUE>
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      <SAMPLE_ATTRIBUTE>
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        <VALUE>2015-12-20/2016-01-23</VALUE>
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        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="37R1_332mbsf_NAN" accession="SRS8427065">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427065</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233599</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 332.78 mbsf, no added nutrients</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="47R1_420mbsf_C" accession="SRS8427066">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427066</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233601</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
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      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
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        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 420.98 mbsf, Carbon (lactate, acetate and formate) addition</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="14_119mbsf" accession="SRS8427067">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427067</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233550</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
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    </SAMPLE_NAME>
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      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
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      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 119.72 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="47R1_420mbsf_NAN" accession="SRS8427068">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427068</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233603</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
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        <XREF_LINK>
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        <VALUE>none</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 420.98 mbsf, no added nutrients</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
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        <VALUE>32.706037 S 57.278133 E</VALUE>
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      <SAMPLE_ATTRIBUTE>
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        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="47R1_420mbsf_N" accession="SRS8427069">
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      <PRIMARY_ID>SRS8427069</PRIMARY_ID>
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      <TAXON_ID>1564682</TAXON_ID>
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        <VALUE>none</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 420.98 mbsf, ammonium addition</VALUE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
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        <VALUE>32.706037 S 57.278133 E</VALUE>
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        <TAG>BioSampleModel</TAG>
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  </SAMPLE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
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        <VALUE>Metagenome or environmental</VALUE>
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        <VALUE>Metagenome or environmental</VALUE>
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        <VALUE>none</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="51R1_460mbsf_NP" accession="SRS8427075">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427075</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233608</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 460.64 mbsf, ammonium and phosphate addition</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="68R4_626mbsf_N" accession="SRS8427076">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427076</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233610</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
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      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
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        <TAG>host</TAG>
        <VALUE>none</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 626.26 mbsf, ammonium addition</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427077</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233611</EXTERNAL_ID>
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    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
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        <XREF_LINK>
          <DB>bioproject</DB>
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          <LABEL>PRJNA708326</LABEL>
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      </SAMPLE_LINK>
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        <VALUE>none</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 626.26 mbsf, no added nutrients</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427078</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233612</EXTERNAL_ID>
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    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
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        <VALUE>none</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 626.26 mbsf, ammonium and phosphate addition</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
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        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
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      <SAMPLE_ATTRIBUTE>
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        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
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      <SAMPLE_ATTRIBUTE>
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        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427079</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233613</EXTERNAL_ID>
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        <VALUE>none</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 639.34 mbsf, Carbon (lactate, acetate and formate) addition</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
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        <VALUE>2015-12-20/2016-01-23</VALUE>
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      <SAMPLE_ATTRIBUTE>
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      <PRIMARY_ID>SRS8427081</PRIMARY_ID>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="81R2_715mbsf_C" accession="SRS8427085">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427085</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233617</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 715.57 mbsf, Carbon (lactate, acetate and formate) addition</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="81R2_715mbsf_NAN" accession="SRS8427086">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427086</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233619</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 715.57 mbsf, no added nutrients</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="84R6_747mbsf_C" accession="SRS8427087">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427087</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233621</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 747.73 mbsf, Carbon (lactate, acetate and formate) addition</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="81R2_715mbsf_NP" accession="SRS8427088">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427088</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233620</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 715.57 mbsf, ammonium and phosphate addition</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="84R6_747mbsf_N" accession="SRS8427089">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427089</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233622</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 747.73 mbsf, ammonium addition</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="84R6_747mbsf_NAN" accession="SRS8427090">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427090</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233623</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 747.73 mbsf, no added nutrients</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="21_182mbsf" accession="SRS8427091">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427091</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233552</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
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          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 182.44 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <PRIMARY_ID>SRS8427092</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233626</EXTERNAL_ID>
    </IDENTIFIERS>
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      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
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    <SAMPLE_LINKS>
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        <XREF_LINK>
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          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>blank run with MP Bio FastDNA Spin Kit for Soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>blank sample [NCBITaxon:2582415]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="Blank_Filter" accession="SRS8427093">
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      <PRIMARY_ID>SRS8427093</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233625</EXTERNAL_ID>
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    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
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    <SAMPLE_LINKS>
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        <XREF_LINK>
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          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
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    </SAMPLE_LINKS>
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      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>blank polycarbonate filter</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>blank sample [NCBITaxon:2582415]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <PRIMARY_ID>SRS8427094</PRIMARY_ID>
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      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
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        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
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    </SAMPLE_LINKS>
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        <VALUE>none</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with subsurface rocks from Hole U1473A depth 747.73 mbsf, ammonium and phosphate addition</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]|artificial seawater [MICRO:0001715]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="Nutrient_Addition_Incubation_Blank1" accession="SRS8427095">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427095</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233627</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with artificial seawater as blank, replicate 1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>blank sample [NCBITaxon:2582415]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="Nutrient_Addition_Incubation_Blank2" accession="SRS8427096">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427096</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233628</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with artificial seawater as blank, replicate 2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>blank sample [NCBITaxon:2582415]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="Nutrient_Addition_Incubation_Blank3" accession="SRS8427097">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427097</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233629</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nutrient addition incubation experiment with artificial seawater as blank, replicate 3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>blank sample [NCBITaxon:2582415]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="PCR_Blank1" accession="SRS8427098">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427098</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233630</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>PCR blank, replicate 1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>blank sample [NCBITaxon:2582415]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="PCR_Blank2" accession="SRS8427099">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427099</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233631</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>PCR blank, replicate 2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>blank sample [NCBITaxon:2582415]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="PCR_Blank3" accession="SRS8427100">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427100</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233632</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>PCR blank, replicate 3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>blank sample [NCBITaxon:2582415]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>sample preparation blank [MSIO:0000025]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="23_201mbsf" accession="SRS8427101">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8427101</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18233553</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>1564682</TAXON_ID>
      <SCIENTIFIC_NAME>subsurface metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>708326</ID>
          <LABEL>PRJNA708326</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>none</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>Hole U1473A subsurface rock sample depth 201.59 mbsf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2015-12-20/2016-01-23</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Indian Ocean: Atlantis Bank, Southwest Indian Ridge</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>32.706037 S 57.278133 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>mid-ocean ridge [ENVO:00000406]|ocean floor [ENVO:00000426]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>oceanic subsurface zone [ENVO:01001045]|Southwest Indian Ridge [GAZ:00002447]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>oceanic crust [ENVO:01000749]|Silicates [OMIT:0017964]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
