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GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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Central Africa
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Angola
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Cuanza Basin (1)
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East Africa
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East African Rift (1)
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North Africa
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Atlas Mountains
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Egypt
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Libya
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Morocco
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Southern Africa
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West Africa
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Sweden
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United Kingdom
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Mesozoic
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Jurassic
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Norphlet Formation (4)
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Upper Jurassic
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Triassic
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Bunter (2)
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Upper Devonian
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middle Paleozoic (1)
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Ordovician
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Utica Shale (5)
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Permian
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Khuff Formation (2)
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Lower Permian
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Opeche Shale (1)
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Upper Permian
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Kazanian (1)
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Salado Formation (1)
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Tatarian (1)
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Zechstein (4)
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Yates Formation (1)
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Silurian
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