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all geography including DSDP/ODP Sites and Legs
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Africa
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North Africa
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Atlas Mountains
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Moroccan Atlas Mountains (1)
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Morocco
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Southern Africa
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South Africa
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Bushveld Complex (2)
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Free State South Africa
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West Africa
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Senegal (2)
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Antarctica
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Asia
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Mediterranean region
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Mediterranean Sea
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West Mediterranean (1)
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North America
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Appalachian Basin (1)
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Appalachians
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Central Appalachians (2)
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Northern Appalachians (2)
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Basin and Range Province (1)
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Canadian Shield
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Lake Superior region (1)
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Rocky Mountains
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Pacific Ocean
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Equatorial Pacific (2)
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North Pacific
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Arizona
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Arkansas
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California
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Central California (1)
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Gabilan Range (1)
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Colorado
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Delaware
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Oxford County Maine (1)
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Maryland (1)
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Montana
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New Hampshire
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North Carolina (1)
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Oregon (2)
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Pennsylvania
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Chester County Pennsylvania (1)
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Delaware County Pennsylvania (1)
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Powder River basin (4)
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Texas
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hydrogen
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incompatible elements (1)
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C-13/C-12 (6)
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N-15/N-14 (1)
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O-18/O-16 (6)
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S-34/S-32 (3)
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Lu/Hf (1)
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alkaline earth metals
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aluminum (1)
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lead
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precious metals (2)
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titanium (1)
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nitrogen
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noble gases
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oxygen
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O-18/O-16 (6)
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Cenozoic
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Tertiary
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Pliocene (1)
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Sisquoc Formation (1)
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Subathu Formation (1)
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Wasatch Formation (1)
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Dalradian (1)
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Mesozoic
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Josephine Ophiolite (1)
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marbles (7)
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Primary terms
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GeoRef Categories
Era and Period