<?xml version="1.0" encoding="UTF-8"?><md:MetaData xmlns:md="http://www.pangaea.de/MetaData" version="2026-04-13">
<md:citation id="dataset875764">
<md:author id="dataset.author185">
<md:lastName>Leinen</md:lastName>
<md:firstName>Margaret W</md:firstName>
<md:eMail>mleinen@gso.uri.edu</md:eMail>
<md:orcid>0000-0002-7982-3661</md:orcid>
</md:author>
<md:author id="dataset.author250">
<md:lastName>Rea</md:lastName>
<md:firstName>David K</md:firstName>
</md:author>
<md:year>1986</md:year>
<md:title>Annotated record of the detailed examination of Mn deposits from DSDP Leg 92 (Holes 597, 597C, 598, 600, 600B, 600C, 601, 601B, 602B)</md:title>
<md:type id="dataset.reftype10" includeInCitation="true">dataset</md:type>
<md:URI>https://doi.org/10.1594/PANGAEA.875764</md:URI>
</md:citation>
<md:abstract>The realization that ridgecrest hydrothermal activity is more common along the faster spreading centers of the Pacific Ocean than along the slowly spreading Mid- Atlantic Ridge has given rise to a generally accepted correlation between the intensity of this activity and seafloor spreading rate. Knowledge of seafloor hydrothermal activity is essential to our understanding of the oceanic cycling of elements, and an understanding of the history of hydrothermal activity is important to ocean paleochemistry and many other aspects of the history of the Earth and the oceans. Leg 92 was undertaken primarily to determine the nature and history of basalt-seawater (or hydrogeology) interactions at and on the flanks of the East Pacific Rise (EPR).</md:abstract>
<md:reference dataciteRelType="References" group="210" id="ref147" relationType="Related to" relationTypeId="12">
<md:author id="ref147.author221">
<md:lastName>Stephen</md:lastName>
<md:firstName>Ralph A</md:firstName>
<md:orcid>0000-0003-0937-2049</md:orcid>
</md:author>
<md:author id="ref147.author28544">
<md:lastName>Romine</md:lastName>
<md:firstName>Karen</md:firstName>
</md:author>
<md:author id="ref147.author310">
<md:lastName>Pearce</md:lastName>
<md:firstName>Julian A</md:firstName>
</md:author>
<md:author id="ref147.author32302">
<md:lastName>Owen</md:lastName>
<md:firstName>Robert M</md:firstName>
<md:orcid>0000-0003-4583-794X</md:orcid>
</md:author>
<md:author id="ref147.author42828">
<md:lastName>Nishitani</md:lastName>
<md:firstName>Tadashi</md:firstName>
</md:author>
<md:author id="ref147.author42846">
<md:lastName>Newmark</md:lastName>
<md:firstName>Robin L</md:firstName>
</md:author>
<md:author id="ref147.author42847">
<md:lastName>Moos</md:lastName>
<md:firstName>Daniel</md:firstName>
</md:author>
<md:author id="ref147.author608">
<md:lastName>Lyle</md:lastName>
<md:firstName>Mitchell W</md:firstName>
<md:eMail>mlyle@coas.oregonstate.edu</md:eMail>
<md:URI>http://ceoas.oregonstate.edu/profile/lyle/</md:URI>
<md:orcid>0000-0002-0861-0511</md:orcid>
</md:author>
<md:author id="ref147.author22554">
<md:lastName>Knüttel</md:lastName>
<md:firstName>Stephen</md:firstName>
</md:author>
<md:author id="ref147.author26292">
<md:lastName>Kastner</md:lastName>
<md:firstName>Miriam</md:firstName>
</md:author>
<md:author id="ref147.author42732">
<md:lastName>Hobart</md:lastName>
<md:firstName>Michael A</md:firstName>
</md:author>
<md:author id="ref147.author61887">
<md:lastName>Goldsborough</md:lastName>
<md:firstName>Robert</md:firstName>
</md:author>
<md:author id="ref147.author61886">
<md:lastName>Goldfarb</md:lastName>
<md:firstName>Marjorie</md:firstName>
</md:author>
<md:author id="ref147.author37913">
<md:lastName>Goldberg</md:lastName>
<md:firstName>David</md:firstName>
</md:author>
<md:author id="ref147.author20268">
<md:lastName>Gieskes</md:lastName>
<md:firstName>Joris M</md:firstName>
<md:eMail>jgieskes@ucsd.edu</md:eMail>
</md:author>
<md:author id="ref147.author285">
<md:lastName>Erzinger</md:lastName>
<md:firstName>Jörg</md:firstName>
<md:eMail>joerg.erzinger@gfz-potsdam.de</md:eMail>
<md:URI>http://www.gfz-potsdam.de/en/staff/joerg-erzinger/</md:URI>
</md:author>
<md:author id="ref147.author37716">
<md:lastName>Boulègue</md:lastName>
<md:firstName>Jacques</md:firstName>
</md:author>
<md:author id="ref147.author270">
<md:lastName>Becker</md:lastName>
<md:firstName>Keir</md:firstName>
</md:author>
<md:author id="ref147.author332">
<md:lastName>Anderson</md:lastName>
<md:firstName>Roger N</md:firstName>
</md:author>
<md:author id="ref147.author185">
<md:lastName>Leinen</md:lastName>
<md:firstName>Margaret W</md:firstName>
<md:eMail>mleinen@gso.uri.edu</md:eMail>
<md:orcid>0000-0002-7982-3661</md:orcid>
</md:author>
<md:author id="ref147.author250">
<md:lastName>Rea</md:lastName>
<md:firstName>David K</md:firstName>
</md:author>
<md:year>1986</md:year>
<md:title>Initial Reports of the Deep Sea Drilling Project</md:title>
<md:type id="ref147.reftype2">report</md:type>
<md:source>Initial Reports of the Deep Sea Drilling Project, U.S. Government Printing Office</md:source>
<md:volume>XCII</md:volume>
<md:URI>https://doi.org/10.2973/dsdp.proc.92.1986</md:URI>
<md:pages>617 pp</md:pages>
</md:reference>
<md:reference dataciteRelType="IsDerivedFrom" group="300" id="ref67195" relationType="Source" relationTypeId="16">
<md:author id="ref67195.author53898">
<md:lastName>Grant</md:lastName>
<md:firstName>John Bruce</md:firstName>
</md:author>
<md:author id="ref67195.author568">
<md:lastName>Moore</md:lastName>
<md:firstName>Carla J</md:firstName>
<md:eMail>carla.j.moore@noaa.gov</md:eMail>
<md:orcid>0000-0002-2610-8648</md:orcid>
</md:author>
<md:author id="ref67195.author53899">
<md:lastName>Alameddin</md:lastName>
<md:firstName>George</md:firstName>
</md:author>
<md:author id="ref67195.author53900">
<md:lastName>Chen</md:lastName>
<md:firstName>Kuiying</md:firstName>
</md:author>
<md:author id="ref67195.author53901">
<md:lastName>Barton</md:lastName>
<md:firstName>Mark</md:firstName>
</md:author>
<md:year>1992</md:year>
<md:title>The NOAA and MMS Marine Minerals Geochemical Database</md:title>
<md:source>National Geophysical Data Center, NOAA</md:source>
<md:URI>https://doi.org/10.7289/V52Z13FT</md:URI>
</md:reference>
<md:reference dataciteRelType="IsDocumentedBy" group="640" id="ref67263" relationType="Further details" relationTypeId="17">
<md:author id="ref67263.author21391">
<md:lastName>Warnken</md:lastName>
<md:firstName>Robin R</md:firstName>
<md:eMail>rrw@luna.ngdc.noaa.gov</md:eMail>
</md:author>
<md:author id="ref67263.author53916">
<md:lastName>Virden</md:lastName>
<md:firstName>William T</md:firstName>
</md:author>
<md:author id="ref67263.author568">
<md:lastName>Moore</md:lastName>
<md:firstName>Carla J</md:firstName>
<md:eMail>carla.j.moore@noaa.gov</md:eMail>
<md:orcid>0000-0002-2610-8648</md:orcid>
</md:author>
<md:year>1992</md:year>
<md:title>The NOAA and MMS Marine Minerals Bibliography</md:title>
<md:source>National Geophysical Data Center, NOAA</md:source>
<md:URI>https://doi.org/10.7289/V53X84KN</md:URI>
</md:reference>
<md:extent>
<md:geographic>
<md:westBoundLongitude>-129.7705</md:westBoundLongitude>
<md:eastBoundLongitude>-116.8395</md:eastBoundLongitude>
<md:southBoundLatitude>-19.0047</md:southBoundLatitude>
<md:northBoundLatitude>-18.8063</md:northBoundLatitude>
<md:meanLongitude>-120.59841111111112</md:meanLongitude>
<md:meanLatitude>-18.90576666666667</md:meanLatitude>
</md:geographic>
<md:temporal>
<md:minDateTime>1983-03-02T00:00:00</md:minDateTime>
<md:maxDateTime>1983-03-26T00:00:00</md:maxDateTime>
</md:temporal>
<md:elevation geocodeId="geocode1" name="DEPTH, sediment/rock" unit="m">
<md:min>0.0</md:min>
<md:max>58.92</md:max>
</md:elevation>
<md:topoType id="topotype1">not specified</md:topoType>
</md:extent>
<md:project id="project4" type="International">
<md:label>DSDP</md:label>
<md:name>Deep Sea Drilling Project</md:name>
<md:URI>https://www.deepseadrilling.org/</md:URI>
<md:institution id="project4.inst41">
<md:name>Deep Sea Drilling Project</md:name>
<md:optionalName>DSDP</md:optionalName>
</md:institution>
</md:project>
<md:project id="project4198" type="International">
<md:label>NOAA-MMS</md:label>
<md:name>NOAA and MMS Marine Minerals Geochemical Database</md:name>
<md:URI>https://wiki.pangaea.de/wiki/NOAA-MMS</md:URI>
</md:project>
<md:event displayTypeName="Event" id="event12989" typeName="Generic Event">
<md:label>92-597</md:label>
<md:latitude>-18.8063</md:latitude>
<md:longitude>-129.7705</md:longitude>
<md:location id="event12989.loc1.term21005">
<md:name>South Pacific Ocean</md:name>
</md:location>
<md:elevation>-4166.0</md:elevation>
<md:dateTime>1983-03-02T00:00:00</md:dateTime>
<md:campaign displayTypeName="Campaign" id="event12989.campaign3374966" legacyId="event12989.campaign214" typeName="Generic Campaign">
<md:label>Leg92</md:label>
<md:name warning="deprecated">Leg92</md:name>
<md:dateTime>1983-02-23T00:00:00</md:dateTime>
<md:start warning="deprecated">1983-02-23</md:start>
<md:dateTime2>1983-04-18T00:00:00</md:dateTime2>
<md:end warning="deprecated">1983-04-18</md:end>
<md:basis id="event12989.campaign3374966.basis12">
<md:name>Glomar Challenger</md:name>
<md:URI>https://www-odp.tamu.edu:443/glomar.html</md:URI>
</md:basis>
<md:responsible>Leinen, Margaret W</md:responsible>
<md:chiefScientist warning="deprecated">Leinen, Margaret W</md:chiefScientist>
<md:responsible>Rea, David K</md:responsible>
<md:chiefScientist warning="deprecated">Rea, David K</md:chiefScientist>
<md:attribute attid="76863" name="Report">doi:10.2973/dsdp.proc.92.1986</md:attribute>
</md:campaign>
<md:basis id="event12989.basis12">
<md:name>Glomar Challenger</md:name>
<md:URI>https://www-odp.tamu.edu:443/glomar.html</md:URI>
</md:basis>
<md:method id="event12989.method10974">
<md:name>Drilling/drill rig</md:name>
<md:optionalName>DRILL</md:optionalName>
</md:method>
<md:attribute attid="19162" name="Penetration">54.7 m</md:attribute>
<md:attribute attid="19163" name="Recovery">41.8 m</md:attribute>
<md:comment>7 cores; 45.1 m cored; 9.6 m drilled; 92.7 % recovery</md:comment>
</md:event>
<md:event displayTypeName="Event" id="event12992" typeName="Generic Event">
<md:label>92-597C</md:label>
<md:latitude>-18.8072</md:latitude>
<md:longitude>-129.7703</md:longitude>
<md:location id="event12992.loc1.term21005">
<md:name>South Pacific Ocean</md:name>
</md:location>
<md:elevation>-4164.0</md:elevation>
<md:dateTime>1983-03-02T00:00:00</md:dateTime>
<md:campaign displayTypeName="Campaign" id="event12992.campaign3374966" legacyId="event12992.campaign214" typeName="Generic Campaign">
<md:label>Leg92</md:label>
<md:name warning="deprecated">Leg92</md:name>
<md:dateTime>1983-02-23T00:00:00</md:dateTime>
<md:start warning="deprecated">1983-02-23</md:start>
<md:dateTime2>1983-04-18T00:00:00</md:dateTime2>
<md:end warning="deprecated">1983-04-18</md:end>
<md:basis id="event12992.campaign3374966.basis12">
<md:name>Glomar Challenger</md:name>
<md:URI>https://www-odp.tamu.edu:443/glomar.html</md:URI>
</md:basis>
<md:responsible>Leinen, Margaret W</md:responsible>
<md:chiefScientist warning="deprecated">Leinen, Margaret W</md:chiefScientist>
<md:responsible>Rea, David K</md:responsible>
<md:chiefScientist warning="deprecated">Rea, David K</md:chiefScientist>
<md:attribute attid="76863" name="Report">doi:10.2973/dsdp.proc.92.1986</md:attribute>
</md:campaign>
<md:basis id="event12992.basis12">
<md:name>Glomar Challenger</md:name>
<md:URI>https://www-odp.tamu.edu:443/glomar.html</md:URI>
</md:basis>
<md:method id="event12992.method10974">
<md:name>Drilling/drill rig</md:name>
<md:optionalName>DRILL</md:optionalName>
</md:method>
<md:attribute attid="19162" name="Penetration">143.5 m</md:attribute>
<md:attribute attid="19163" name="Recovery">55.2 m</md:attribute>
<md:comment>11 cores; 97 m cored; 3 m drilled; 56.9 % recovery</md:comment>
</md:event>
<md:event displayTypeName="Event" id="event12993" typeName="Generic Event">
<md:label>92-598</md:label>
<md:latitude>-19.0047</md:latitude>
<md:longitude>-124.6768</md:longitude>
<md:location id="event12993.loc1.term21005">
<md:name>South Pacific Ocean</md:name>
</md:location>
<md:elevation>-3699.0</md:elevation>
<md:dateTime>1983-03-17T00:00:00</md:dateTime>
<md:campaign displayTypeName="Campaign" id="event12993.campaign3374966" legacyId="event12993.campaign214" typeName="Generic Campaign">
<md:label>Leg92</md:label>
<md:name warning="deprecated">Leg92</md:name>
<md:dateTime>1983-02-23T00:00:00</md:dateTime>
<md:start warning="deprecated">1983-02-23</md:start>
<md:dateTime2>1983-04-18T00:00:00</md:dateTime2>
<md:end warning="deprecated">1983-04-18</md:end>
<md:basis id="event12993.campaign3374966.basis12">
<md:name>Glomar Challenger</md:name>
<md:URI>https://www-odp.tamu.edu:443/glomar.html</md:URI>
</md:basis>
<md:responsible>Leinen, Margaret W</md:responsible>
<md:chiefScientist warning="deprecated">Leinen, Margaret W</md:chiefScientist>
<md:responsible>Rea, David K</md:responsible>
<md:chiefScientist warning="deprecated">Rea, David K</md:chiefScientist>
<md:attribute attid="76863" name="Report">doi:10.2973/dsdp.proc.92.1986</md:attribute>
</md:campaign>
<md:basis id="event12993.basis12">
<md:name>Glomar Challenger</md:name>
<md:URI>https://www-odp.tamu.edu:443/glomar.html</md:URI>
</md:basis>
<md:method id="event12993.method10974">
<md:name>Drilling/drill rig</md:name>
<md:optionalName>DRILL</md:optionalName>
</md:method>
<md:attribute attid="19162" name="Penetration">52.4 m</md:attribute>
<md:attribute attid="19163" name="Recovery">41.2 m</md:attribute>
<md:comment>8 cores; 52.4 m cored; 0 m drilled; 78.7 % recovery</md:comment>
</md:event>
<md:event displayTypeName="Event" id="event12998" typeName="Generic Event">
<md:label>92-600</md:label>
<md:latitude>-18.929</md:latitude>
<md:longitude>-116.8395</md:longitude>
<md:location id="event12998.loc1.term20694">
<md:name>South Pacific/PLATEAU</md:name>
</md:location>
<md:elevation>-3346.0</md:elevation>
<md:dateTime>1983-03-23T00:00:00</md:dateTime>
<md:campaign displayTypeName="Campaign" id="event12998.campaign3374966" legacyId="event12998.campaign214" typeName="Generic Campaign">
<md:label>Leg92</md:label>
<md:name warning="deprecated">Leg92</md:name>
<md:dateTime>1983-02-23T00:00:00</md:dateTime>
<md:start warning="deprecated">1983-02-23</md:start>
<md:dateTime2>1983-04-18T00:00:00</md:dateTime2>
<md:end warning="deprecated">1983-04-18</md:end>
<md:basis id="event12998.campaign3374966.basis12">
<md:name>Glomar Challenger</md:name>
<md:URI>https://www-odp.tamu.edu:443/glomar.html</md:URI>
</md:basis>
<md:responsible>Leinen, Margaret W</md:responsible>
<md:chiefScientist warning="deprecated">Leinen, Margaret W</md:chiefScientist>
<md:responsible>Rea, David K</md:responsible>
<md:chiefScientist warning="deprecated">Rea, David K</md:chiefScientist>
<md:attribute attid="76863" name="Report">doi:10.2973/dsdp.proc.92.1986</md:attribute>
</md:campaign>
<md:basis id="event12998.basis12">
<md:name>Glomar Challenger</md:name>
<md:URI>https://www-odp.tamu.edu:443/glomar.html</md:URI>
</md:basis>
<md:method id="event12998.method10974">
<md:name>Drilling/drill rig</md:name>
<md:optionalName>DRILL</md:optionalName>
</md:method>
<md:attribute attid="19162" name="Penetration">10.4 m</md:attribute>
<md:attribute attid="19163" name="Recovery">5.4 m</md:attribute>
<md:comment>1 cores; 5.4 m cored; 5 m drilled; 99.6 % recovery</md:comment>
</md:event>
<md:event displayTypeName="Event" id="event13000" typeName="Generic Event">
<md:label>92-600B</md:label>
<md:latitude>-18.929</md:latitude>
<md:longitude>-116.8395</md:longitude>
<md:location id="event13000.loc1.term20694">
<md:name>South Pacific/PLATEAU</md:name>
</md:location>
<md:elevation>-3346.0</md:elevation>
<md:dateTime>1983-03-23T00:00:00</md:dateTime>
<md:campaign displayTypeName="Campaign" id="event13000.campaign3374966" legacyId="event13000.campaign214" typeName="Generic Campaign">
<md:label>Leg92</md:label>
<md:name warning="deprecated">Leg92</md:name>
<md:dateTime>1983-02-23T00:00:00</md:dateTime>
<md:start warning="deprecated">1983-02-23</md:start>
<md:dateTime2>1983-04-18T00:00:00</md:dateTime2>
<md:end warning="deprecated">1983-04-18</md:end>
<md:basis id="event13000.campaign3374966.basis12">
<md:name>Glomar Challenger</md:name>
<md:URI>https://www-odp.tamu.edu:443/glomar.html</md:URI>
</md:basis>
<md:responsible>Leinen, Margaret W</md:responsible>
<md:chiefScientist warning="deprecated">Leinen, Margaret W</md:chiefScientist>
<md:responsible>Rea, David K</md:responsible>
<md:chiefScientist warning="deprecated">Rea, David K</md:chiefScientist>
<md:attribute attid="76863" name="Report">doi:10.2973/dsdp.proc.92.1986</md:attribute>
</md:campaign>
<md:basis id="event13000.basis12">
<md:name>Glomar Challenger</md:name>
<md:URI>https://www-odp.tamu.edu:443/glomar.html</md:URI>
</md:basis>
<md:method id="event13000.method10974">
<md:name>Drilling/drill rig</md:name>
<md:optionalName>DRILL</md:optionalName>
</md:method>
<md:attribute attid="19162" name="Penetration">1.9 m</md:attribute>
<md:attribute attid="19163" name="Recovery">1.9 m</md:attribute>
<md:comment>1 cores; 1.9 m cored; 0 m drilled; 100 % recovery</md:comment>
</md:event>
<md:event displayTypeName="Event" id="event13001" typeName="Generic Event">
<md:label>92-600C</md:label>
<md:latitude>-18.9283</md:latitude>
<md:longitude>-116.8408</md:longitude>
<md:location id="event13001.loc1.term20694">
<md:name>South Pacific/PLATEAU</md:name>
</md:location>
<md:elevation>-3398.0</md:elevation>
<md:dateTime>1983-03-23T00:00:00</md:dateTime>
<md:campaign displayTypeName="Campaign" id="event13001.campaign3374966" legacyId="event13001.campaign214" typeName="Generic Campaign">
<md:label>Leg92</md:label>
<md:name warning="deprecated">Leg92</md:name>
<md:dateTime>1983-02-23T00:00:00</md:dateTime>
<md:start warning="deprecated">1983-02-23</md:start>
<md:dateTime2>1983-04-18T00:00:00</md:dateTime2>
<md:end warning="deprecated">1983-04-18</md:end>
<md:basis id="event13001.campaign3374966.basis12">
<md:name>Glomar Challenger</md:name>
<md:URI>https://www-odp.tamu.edu:443/glomar.html</md:URI>
</md:basis>
<md:responsible>Leinen, Margaret W</md:responsible>
<md:chiefScientist warning="deprecated">Leinen, Margaret W</md:chiefScientist>
<md:responsible>Rea, David K</md:responsible>
<md:chiefScientist warning="deprecated">Rea, David K</md:chiefScientist>
<md:attribute attid="76863" name="Report">doi:10.2973/dsdp.proc.92.1986</md:attribute>
</md:campaign>
<md:basis id="event13001.basis12">
<md:name>Glomar Challenger</md:name>
<md:URI>https://www-odp.tamu.edu:443/glomar.html</md:URI>
</md:basis>
<md:method id="event13001.method10974">
<md:name>Drilling/drill rig</md:name>
<md:optionalName>DRILL</md:optionalName>
</md:method>
<md:attribute attid="19162" name="Penetration">19 m</md:attribute>
<md:attribute attid="19163" name="Recovery">12 m</md:attribute>
<md:comment>2 cores; 19 m cored; 0 m drilled; 63.4 % recovery</md:comment>
</md:event>
<md:event displayTypeName="Event" id="event13002" typeName="Generic Event">
<md:label>92-601</md:label>
<md:latitude>-18.9203</md:latitude>
<md:longitude>-116.8685</md:longitude>
<md:location id="event13002.loc1.term20696">
<md:name>South Pacific/CONT RISE</md:name>
</md:location>
<md:elevation>-3433.0</md:elevation>
<md:dateTime>1983-03-25T00:00:00</md:dateTime>
<md:campaign displayTypeName="Campaign" id="event13002.campaign3374966" legacyId="event13002.campaign214" typeName="Generic Campaign">
<md:label>Leg92</md:label>
<md:name warning="deprecated">Leg92</md:name>
<md:dateTime>1983-02-23T00:00:00</md:dateTime>
<md:start warning="deprecated">1983-02-23</md:start>
<md:dateTime2>1983-04-18T00:00:00</md:dateTime2>
<md:end warning="deprecated">1983-04-18</md:end>
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<md:responsible>Leinen, Margaret W</md:responsible>
<md:chiefScientist warning="deprecated">Leinen, Margaret W</md:chiefScientist>
<md:responsible>Rea, David K</md:responsible>
<md:chiefScientist warning="deprecated">Rea, David K</md:chiefScientist>
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<md:basis id="event13002.basis12">
<md:name>Glomar Challenger</md:name>
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<md:name>Drilling/drill rig</md:name>
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<md:attribute attid="19162" name="Penetration">20.4 m</md:attribute>
<md:attribute attid="19163" name="Recovery">19.3 m</md:attribute>
<md:comment>3 cores; 20.4 m cored; 0 m drilled; 94.8 % recovery</md:comment>
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<md:label>92-601B</md:label>
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<md:name>South Pacific/CONT RISE</md:name>
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<md:label>Leg92</md:label>
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<md:start warning="deprecated">1983-02-23</md:start>
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<md:responsible>Leinen, Margaret W</md:responsible>
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<md:chiefScientist warning="deprecated">Rea, David K</md:chiefScientist>
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<md:name>South Pacific/TROUGH</md:name>
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<md:responsible>Leinen, Margaret W</md:responsible>
<md:chiefScientist warning="deprecated">Leinen, Margaret W</md:chiefScientist>
<md:responsible>Rea, David K</md:responsible>
<md:chiefScientist warning="deprecated">Rea, David K</md:chiefScientist>
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<md:name>Glomar Challenger</md:name>
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<md:name>Drilling/drill rig</md:name>
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<md:attribute attid="19162" name="Penetration">4.2 m</md:attribute>
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<md:comment>1 cores; 4.2 m cored; 0 m drilled; 101 % recovery</md:comment>
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<md:comment>From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions. At the time it was the most extended data compilation on ferromanganese deposits world wide. Initially published in a proprietary format incompatible with present day standards it was jointly decided by AWI and NOAA to transcribe this legacy data into PANGAEA. This transfer is augmented by a careful checking of the original sources when available and the encoding of ancillary information (sample description, method of analysis...) not present in the NOAA-MMS database.</md:comment>
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