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NARROW
Format
Article Type
Journal
Publisher
Section
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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Cabinda Angola (1)
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Cuanza Basin (4)
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Cuanza-Sul Angola (1)
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Congo (2)
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Gabon (3)
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Chad Basin (1)
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Congo Basin (1)
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East Africa
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Mozambique (1)
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Tanzania (1)
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Madagascar
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Mahajanga Basin (1)
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North Africa
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Algeria
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Aures (1)
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Constantine Algeria (1)
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Atlas Mountains
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Moroccan Atlas Mountains
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Anti-Atlas (1)
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High Atlas (2)
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Egypt (2)
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Morocco
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Moroccan Atlas Mountains
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Anti-Atlas (1)
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High Atlas (2)
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Tunisia (14)
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Southern Africa
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Orange River (1)
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South Africa
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KwaZulu-Natal South Africa
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Zululand (4)
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-
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West Africa
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Benue Valley (2)
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Cameroon (1)
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Ghana (1)
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Guinea (1)
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Nigeria (3)
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Alexander Island (4)
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Antarctica
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South Shetland Islands
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Arctic Ocean
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Russian Arctic
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Central Asia
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Chukotka Russian Federation
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Far East
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China
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Japan
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Hokkaido
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Honshu
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Korea
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South Korea
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Indian Peninsula
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Yamal-Nenets Russian Federation
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Canada
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Ontario
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Quebec
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Nunavut
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Kurgan Russian Federation (1)
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Novosibirsk Russian Federation (2)
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Ob River (1)
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Omolon Block (1)
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Omsk Russian Federation (3)
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Primorye Russian Federation (1)
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Russian Arctic
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Russian Far East (2)
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Tomsk Russian Federation (3)
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Tyumen Russian Federation
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Yamal-Nenets Russian Federation
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Yakutia Russian Federation
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Invertebrata
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Insecta (2)
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Brachiopoda
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Articulata
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Echinodermata
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Crinozoa
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Mollusca
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Ostreoidea
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Pectinacea
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Cephalopoda
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Coleoidea
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Textulariina
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Vermes
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Tertiary
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Paleocene
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middle Paleocene
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Selandian (1)
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-
-
-
-
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Mesozoic
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Bisbee Group (3)
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Cretaceous
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Alisitos Formation (2)
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Asu River Group (3)
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Bahariya Formation (2)
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Comanchean
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Edwards Formation (3)
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Fredericksburg Group (3)
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Paluxy Formation (1)
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Trinity Group (2)
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Washita Group (9)
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-
Dakota Formation (8)
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Lower Cretaceous
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Albian
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Escucha Formation (1)
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lower Albian (18)
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Pinda Formation (4)
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upper Albian (64)
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Aptian
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lower Aptian (1)
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Shuaiba Formation (3)
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Barremian (29)
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Berriasian (5)
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Blackleaf Formation (3)
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Bluesky Formation (5)
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Cadomin Formation (1)
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Cedar Mountain Formation (5)
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Cheyenne Sandstone (3)
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Christopher Formation (4)
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Clearwater Formation (8)
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Cloverly Formation (1)
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Fredericksburg Group (3)
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Gault Clay (2)
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Georgetown Formation (1)
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Gething Formation (4)
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Glen Rose Formation (7)
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Hauterivian (14)
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Isachsen Formation (1)
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Kiowa Formation (7)
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Lagoa Feia Formation (1)
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Lakota Formation (1)
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Mannville Group (12)
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McMurray Formation (6)
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Moosebar Formation (2)
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Mowry Shale (4)
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Mural Limestone (4)
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Torok Formation (3)
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Urgonian (2)
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Valanginian (7)
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Wealden (2)
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Zubair Formation (2)
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Lower Greensand (4)
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Macae Formation (7)
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Middle Cretaceous
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Winton Formation (1)
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Nanushuk Group (4)
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Natih Formation (7)
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Nenjiang Formation (1)
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Potomac Group (5)
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Qingshankou Formation (1)
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Queen Charlotte Group (1)
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Shiranish Formation (1)
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Toolebuc Formation (2)
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Upper Cretaceous
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Belle Fourche Shale (1)
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Campanian
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upper Campanian (1)
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-
Cardium Formation (2)
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Castlegate Sandstone (1)
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Cenomanian
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Dunvegan Formation (2)
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lower Cenomanian (8)
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upper Cenomanian (1)
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Colville Group (1)
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Coniacian
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Frontier Formation (2)
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Hornbrook Formation (1)
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Judith River Formation (1)
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K-T boundary (2)
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Ladd Formation (1)
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Maestrichtian (16)
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Rosario Formation (1)
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Santonian (14)
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Senonian (23)
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Turonian
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lower Turonian (3)
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Two Medicine Formation (1)
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Viking Formation (17)
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Vraconian (2)
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Yezo Group (3)
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Franciscan Complex (3)
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Great Valley Sequence (3)
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Jurassic
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Bazhenov Formation (2)
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Lower Jurassic
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Hettangian (1)
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middle Liassic (2)
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Middle Jurassic
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San Rafael Group (1)
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Upper Jurassic
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Kimmeridgian
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upper Kimmeridgian (1)
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Morrison Formation (1)
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Oxfordian (2)
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Portlandian (6)
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Sequanian (1)
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Swift Formation (1)
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-
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lower Mesozoic (1)
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Maiolica Limestone (2)
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Triassic
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Keuper (2)
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Norian (1)
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Sag River Sandstone (1)
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-
-
upper Mesozoic (2)
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Yanshanian (1)
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Paleozoic
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Cambrian (2)
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Carboniferous
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Lower Carboniferous
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Devonian
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Prairie Evaporite (2)
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Upper Devonian
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-
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Ordovician
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Middle Ordovician (1)
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Permian
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Lower Permian
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Abo Formation (1)
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Wolfcampian
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Hueco Limestone (1)
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-
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Middle Permian (1)
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Silurian
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Middle Silurian
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Clinton Group (1)
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upper Paleozoic (1)
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Precambrian
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Gunflint Iron Formation (1)
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upper Precambrian
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Proterozoic
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Mesoproterozoic
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Stenian (1)
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Miette Group (1)
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Neoproterozoic (1)
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Paleoproterozoic
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Orosirian (1)
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igneous rocks
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granites
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I-type granites (1)
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S-type granites (1)
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granodiorites (1)
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syenites
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shonkinite (1)
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ultramafics
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peridotites
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lherzolite (2)
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-
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volcanic rocks
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andesites (5)
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ocean-island basalts (1)
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tholeiite (2)
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dacites (3)
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glasses (1)
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pyroclastics
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tuff (2)
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rhyodacites (1)
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rhyolites
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quartz porphyry (1)
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minerals
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pyroxene group
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framework silicates
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orthosilicates
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zircon group
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sheet silicates
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chlorite group
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Primary terms
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absolute age (45)
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Africa
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Atlantic Ocean
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carbon
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Tertiary
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clay mineralogy (14)
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Deep Sea Drilling Project
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IPOD
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Leg 47
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DSDP Site 398 (2)
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Leg 48
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DSDP Site 400 (2)
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Leg 50
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Leg 10
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Leg 36 (2)
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Leg 43
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DSDP Site 390 (1)
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hydrogen
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nepheline syenite
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shonkinite (1)
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volcanic rocks
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dacites (3)
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pyroclastics
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tuff (2)
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quartz porphyry (1)
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inclusions
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fluid inclusions (6)
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Indian Ocean
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Arabian Sea
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East Indian Ocean (1)
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Exmouth Plateau (1)
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Great Australian Bight (1)
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Perth abyssal plain (1)
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Indian Ocean Islands
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Mahajanga Basin (1)
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Integrated Ocean Drilling Program (1)
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intrusions (18)
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Invertebrata
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Arthropoda
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Chelicerata
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Arachnida (1)
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Mandibulata
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Cirripedia (1)
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Ostracoda
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Podocopida
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Cypridocopina
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Cyprididae (1)
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Platycopida
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Cytherellidae
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Cytherelloidea (1)
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Insecta (2)
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-
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Brachiopoda
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Articulata
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Terebratulida (1)
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Bryozoa
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Cheilostomata (2)
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Ctenostomata (1)
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Cnidaria
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Anthozoa
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Scleractinia (1)
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Echinodermata
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Asterozoa
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Stelleroidea
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Asteroidea (2)
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Ophiuroidea (2)
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Crinozoa
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Crinoidea (5)
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Echinozoa
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Echinoidea (3)
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Mollusca
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Bivalvia
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Radiolitidae (1)
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Rudistae (14)
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Ostreoidea
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Ostreidae (1)
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Palaeoheterodonta
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Trigoniidae (2)
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Pholadomyoida (1)
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Pterioida
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Inocerami
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Inoceramidae
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Inoceramus (3)
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Pectinacea
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Pectinidae (1)
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Cephalopoda
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Ammonoidea
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Ammonites (12)
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Desmoceratida (1)
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Coleoidea
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Belemnoidea
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Belemnitidae (1)
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Gastropoda (6)
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Porifera
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Calcarea (1)
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Protista
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Hedbergella (7)
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Rotalipora (2)
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Rotaliacea
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Nummulitidae (1)
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Textulariina
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Lituolacea
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Lituolidae
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Orbitolinidae
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Orbitolina (3)
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Radiolaria (9)
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Thecamoeba (1)
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Vermes
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Annelida (1)
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isostasy (2)
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isotopes
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radioactive isotopes
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Pb-208/Pb-204 (1)
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stable isotopes
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Ar-40 (1)
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Ar-40/Ar-39 (1)
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C-13 (1)
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C-13/C-12 (39)
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D/H (1)
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deuterium (1)
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Hf-177/Hf-176 (1)
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Nd-144/Nd-143 (4)
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O-16 (1)
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O-18/O-16 (32)
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Pb-206/Pb-204 (1)
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Pb-207/Pb-204 (1)
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Pb-208/Pb-204 (1)
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S-34/S-32 (3)
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Sr-87/Sr-86 (7)
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lava (1)
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magmas (6)
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mantle (11)
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maps (3)
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marine geology (3)
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marine installations (1)
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Mediterranean region
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Aegean Islands
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Greek Aegean Islands
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Dodecanese
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Karpathos (1)
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Mediterranean Sea
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East Mediterranean
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Black Sea (1)
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Pelagian Sea
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Gulf of Gabes (1)
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West Mediterranean
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Gulf of Lion (1)
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-
-
Mesozoic
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Bisbee Group (3)
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Cretaceous
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Alisitos Formation (2)
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Asu River Group (3)
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Bahariya Formation (2)
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Blairmore Group (2)
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Calera Limestone (1)
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Colorado Group (6)
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Comanchean
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Comanche Peak Limestone (1)
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Edwards Formation (3)
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Fredericksburg Group (3)
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Georgetown Formation (1)
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Glen Rose Formation (7)
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Paluxy Formation (1)
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Trinity Group (2)
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Washita Group (9)
-
-
Dakota Formation (8)
-
Lower Cretaceous
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Albian
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Escucha Formation (1)
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lower Albian (18)
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Pinda Formation (4)
-
upper Albian (64)
-
-
Aptian
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lower Aptian (1)
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Shuaiba Formation (3)
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Barremian (29)
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Bear River Formation (3)
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Berriasian (5)
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Blackleaf Formation (3)
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Bluesky Formation (5)
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Cadomin Formation (1)
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Cedar Mountain Formation (5)
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Cheyenne Sandstone (3)
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Christopher Formation (4)
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Clearwater Formation (8)
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Cloverly Formation (1)
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Comanche Peak Limestone (1)
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Cupido Formation (2)
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Edwards Formation (3)
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Fredericksburg Group (3)
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Gargasian (1)
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Gault Clay (2)
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Georgetown Formation (1)
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Gething Formation (4)
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Glen Rose Formation (7)
-
Hauterivian (14)
-
Isachsen Formation (1)
-
Kiowa Formation (7)
-
Lagoa Feia Formation (1)
-
Lakota Formation (1)
-
Mannville Group (12)
-
McMurray Formation (6)
-
Moosebar Formation (2)
-
Mowry Shale (4)
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Muddy Sandstone (1)
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Mural Limestone (4)
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Neocomian (7)
-
Paluxy Formation (1)
-
Spirit River Formation (3)
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Thamama Group (1)
-
Torok Formation (3)
-
Trinity Group (2)
-
Urgonian (2)
-
Valanginian (7)
-
Wealden (2)
-
Zubair Formation (2)
-
-
Lower Greensand (4)
-
Macae Formation (7)
-
Middle Cretaceous
-
Winton Formation (1)
-
-
Nanushuk Group (4)
-
Natih Formation (7)
-
Nenjiang Formation (1)
-
Potomac Group (5)
-
Qingshankou Formation (1)
-
Queen Charlotte Group (1)
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Shiranish Formation (1)
-
Toolebuc Formation (2)
-
Upper Cretaceous
-
Belle Fourche Shale (1)
-
Campanian
-
upper Campanian (1)
-
-
Cardium Formation (2)
-
Castlegate Sandstone (1)
-
Cenomanian
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Dunvegan Formation (2)
-
lower Cenomanian (8)
-
upper Cenomanian (1)
-
-
Colville Group (1)
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Coniacian
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lower Coniacian (1)
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-
Frontier Formation (2)
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Hornbrook Formation (1)
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Judith River Formation (1)
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K-T boundary (2)
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Ladd Formation (1)
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Maestrichtian (16)
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Rosario Formation (1)
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Santonian (14)
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Senonian (23)
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Turonian
-
lower Turonian (3)
-
-
Two Medicine Formation (1)
-
-
Viking Formation (17)
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Vraconian (2)
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Yezo Group (3)
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Franciscan Complex (3)
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Great Valley Sequence (3)
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Jurassic
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Bazhenov Formation (2)
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Lower Jurassic
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Hettangian (1)
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middle Liassic (2)
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Pliensbachian (3)
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Sinemurian (1)
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Toarcian (4)
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upper Liassic (1)
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Middle Jurassic
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Aalenian (2)
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Callovian (2)
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San Rafael Group (1)
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Upper Jurassic
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Kimmeridgian
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upper Kimmeridgian (1)
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-
Morrison Formation (1)
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Oxfordian (2)
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Portlandian (6)
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Sequanian (1)
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Swift Formation (1)
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Tithonian (6)
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Volgian (1)
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-
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lower Mesozoic (1)
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Maiolica Limestone (2)
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Triassic
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Lower Triassic (1)
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Upper Triassic
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Carnian (1)
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Keuper (2)
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Norian (1)
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Rhaetian (1)
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Sag River Sandstone (1)
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-
upper Mesozoic (2)
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Yanshanian (1)
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metal ores
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copper ores (1)
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Mg/Ca (1)
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magnesium
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Mg/Ca (1)
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strontium
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Sr-87/Sr-86 (7)
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aluminum (2)
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chromium (1)
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gold (1)
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hafnium
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Hf-177/Hf-176 (1)
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iron (3)
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lead
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Pb-206/Pb-204 (1)
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Pb-207/Pb-204 (1)
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Pb-208/Pb-204 (1)
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rare earths
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cerium (1)
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neodymium
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Nd-144/Nd-143 (4)
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thallium (1)
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metamorphic rocks
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marbles
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ophicalcite (1)
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metaigneous rocks
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metasedimentary rocks
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metamorphism (9)
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chondrites (1)
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Mexico
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Moon (1)
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North America
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Appalachians (2)
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Canadian Shield
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Churchill Province
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Snowbird tectonic zone (1)
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Grenville Province (1)
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Denali Fault (2)
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Rocky Mountains foreland (1)
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Western Interior
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Western Interior Seaway (15)
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Western Overthrust Belt (1)
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-
ocean basins (3)
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Ocean Drilling Program
-
Leg 122
-
ODP Site 763 (1)
-
-
Leg 171B
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ODP Site 1049 (8)
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ODP Site 1050 (5)
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ODP Site 1052 (7)
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Leg 174AX
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Fort Mott Site (1)
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Medford Site (1)
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Leg 207
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ODP Site 1258 (1)
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ODP Site 1259 (1)
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Leg 209 (1)
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Leg 210
-
ODP Site 1276 (1)
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-
ocean floors (8)
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Oceania
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Micronesia
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Mariana Islands
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Northern Mariana Islands (1)
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oceanography (6)
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oil and gas fields (47)
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orogeny (14)
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oxygen
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O-16 (1)
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O-18/O-16 (32)
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Pacific Coast (1)
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Resolution Seamount (1)
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Resolution Seamount (1)
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paleobotany (7)
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Paleozoic
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Ordovician
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Permian
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Lower Permian
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Abo Formation (1)
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Wolfcampian
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Hueco Limestone (1)
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Middle Permian (1)
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Silurian
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Clinton Group (1)
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upper Paleozoic (1)
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palynology (1)
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Peridinium (1)
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paragenesis (2)
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Plantae
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Chlorophyta
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Coccolithophoraceae
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Spermatophyta
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Monocotyledoneae (1)
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Coniferales
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plate tectonics (55)
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pollution (3)
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Precambrian
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Gunflint Iron Formation (1)
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upper Precambrian
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Proterozoic
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Mesoproterozoic
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Miette Group (1)
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Paleoproterozoic
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Orosirian (1)
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problematic fossils
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Calcisphaerulidae (2)
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problematic microfossils (1)
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reefs (13)
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sea-level changes (88)
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sedimentary rocks
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chalk (3)
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arenite
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soft sediment deformation
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Entisols (1)
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Ultisols (1)
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South America
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
Albian
HIERARCHICAL NEURAL NETWORKS IN PREDICTING THE PROPERTIES OF OIL AND GAS RESERVOIRS BASED ON WELL AND SEISMIC DATA Available to Purchase
New comatulid crinoids from the Early Cretaceous Glen Rose Formation (Texas, USA): paleobiology and evolutionary relationships of an endemic, ephemeral giant Open Access
Foreland evolution in the inherited basement structure of the Pre-African Tinghir-Errachidia-Boudenib basin (Moroccan southern Atlas margin) Available to Purchase
Cretaceous and Cenozoic source rocks maturation modelling in the Gulf of Gabes, central Eastern Tunisia: estimation of hydrocarbon in place Available to Purchase
Two areoligeracean dinoflagellate cysts from the Carstone Formation (Lower Cretaceous) at Middlegate Quarry, North Lincolnshire, UK Available to Purchase
Revised stratigraphic position of a volcanic-ash-derived maximum depositional age in the Lower Cretaceous McMurray Formation Available to Purchase
Deterministic and Stochastic Modeling in Prediction of Petrophysical Properties of an Albian Carbonate Reservoir in the Campos Basin (Southeastern Brazil) Available to Purchase
Insights into the geomorphology of the Ceará Basin, Brazil, by combining seismic attributes, machine learning, and rock-physics analyses Available to Purchase
Abstract We utilize 3D seismic data and robust rock-physics models, combined with a well dataset, to investigate the subsurface of the Mundaú sub-basin, Brazil. Seismic attributes analysis and unsupervised machine-learning approaches were able to produce high-resolution images to allow the mapping of the 3D geometry of ancient geomorphological features across stratigraphic levels, from the Albian to the Turonian interval. Significant deep-water elements were identified using seismic attributes and machine-learning techniques (i.e. channel complex, point bars, feeder channels, faults, depocentres, dendritic lobes, smaller channels and distributaries). In addition, the petrophysical analysis enhanced the subsurface characterization by employing a deep convolutional network that allowed S-wave modelling and synthetic seismic generation. The well-log data analysis validated interpretation of sand-prone deposits; in addition, the rock-physics modelling provided insight into the deposited lithologies. After the petrophysical analysis, seismic facies classification was performed using machine-learning techniques, including self-organizing maps and independent component analysis, which provided valuable insights into the geomorphology of this under-researched basin. The enhancement of seismic and petrophysical data with machine learning proves to be a useful technique for better characterizing this basin. This approach may be used on similar frontier hydrocarbon basins to help de-risk petroleum exploration.