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    <gcmd:termsOfUse>https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf</gcmd:termsOfUse>
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    <gcmd:schemeVersion>2026-04-15T10:53:30.610Z</gcmd:schemeVersion>
    <gcmd:viewer>https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/ff0108e2-8415-423c-85ed-07792dbef534</gcmd:viewer>
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    <skos:broader rdf:resource="ce4b2c6e-3d69-4cf1-8416-c36e5f9b1b2c"/>
    <skos:prefLabel xml:lang="en">BIOGENIC SEDIMENTS</skos:prefLabel>
    <skos:definition xml:lang="en">Sediments of biogenic origin, composed mostly of shells of silica producingorganisms.</skos:definition>
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