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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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Algeria (2)
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Asia
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Ukraine
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Scotland (2)
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Front Range (4)
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Mediterranean region
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Mexico
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North America
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Mesozoic
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Lower Cretaceous
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Albian (4)
-
Aptian (1)
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Blackleaf Formation (1)
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Bluesky Formation (1)
-
Cedar Mountain Formation (1)
-
Gething Formation (2)
-
Mannville Group (1)
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Moosebar Formation (1)
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Mowry Shale (1)
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Pebble Shale (2)
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Purbeckian (1)
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Speeton Clay (1)
-
-
Mancos Shale (4)
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Upper Cretaceous
-
Bearpaw Formation (4)
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Belle Fourche Shale (1)
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Belly River Formation (1)
-
Bridge Creek Limestone Member (1)
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Campanian
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Dinosaur Park Formation (1)
-
upper Campanian (4)
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Cenomanian
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Dunvegan Formation (1)
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lower Cenomanian (1)
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upper Cenomanian (2)
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Colville Group (1)
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Coniacian (2)
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Elkhorn Mountains Volcanics (1)
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Fort Hays Limestone Member (1)
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Frontier Formation (1)
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Greenhorn Limestone (2)
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Gulfian
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Eagle Ford Formation (1)
-
-
Hell Creek Formation (3)
-
Horseshoe Canyon Formation (3)
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Judith River Formation (3)
-
Kanguk Formation (2)
-
K-T boundary (3)
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Maestrichtian (5)
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Niobrara Formation (6)
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Oldman Formation (1)
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Pierre Shale (5)
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Saint Mary River Formation (1)
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Santonian (2)
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Senonian (10)
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Smoky Hill Chalk Member (1)
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Tropic Shale (1)
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Turonian
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middle Turonian (1)
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Two Medicine Formation (2)
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Viking Formation (4)
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Whitemud Formation (1)
-
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Jurassic
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Carmel Formation (2)
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Fernie Formation (1)
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Lower Jurassic
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Nordegg Member (1)
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Pliensbachian (1)
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Toarcian (1)
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Middle Jurassic
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Bajocian (1)
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Page Sandstone (1)
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Opalinus Clay (4)
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Upper Jurassic
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Brushy Basin Member (1)
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Morrison Formation (2)
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Oxfordian (4)
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Salt Wash Sandstone Member (1)
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-
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Triassic
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Lower Triassic (1)
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Paleozoic
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Cambrian
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Carboniferous
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Lower Carboniferous
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Asbian (1)
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Mississippian
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Middle Mississippian
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Visean
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upper Visean (1)
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-
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Upper Mississippian
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Serpukhovian (1)
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Namurian (3)
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Pennsylvanian
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Moscovian (1)
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-
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Upper Carboniferous
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Westphalian (1)
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Devonian
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Lower Devonian
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Oriskany Sandstone (1)
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Middle Devonian
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Onondaga Limestone (1)
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Tioga Bentonite (2)
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Upper Devonian (3)
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Knox Group (1)
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lower Paleozoic (1)
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Ordovician
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Middle Ordovician
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Deicke Bentonite Bed (3)
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Millbrig Bentonite Bed (3)
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Trenton Group (6)
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Upper Ordovician
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Ashgillian (1)
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Utica Shale (2)
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Permian
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Irati Formation (1)
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Longtan Formation (1)
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Upper Permian (1)
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Silurian
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Llandovery (4)
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Upper Silurian
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Ludlow (1)
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Tippecanoe Sequence (1)
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Precambrian
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upper Precambrian
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Proterozoic
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Mesoproterozoic
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Belt Supergroup (1)
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igneous rocks
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igneous rocks
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kimberlite (1)
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diabase (1)
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granites (2)
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volcanic rocks
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andesites (2)
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basalts
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tholeiitic basalt (1)
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dacites (1)
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glasses
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perlite (2)
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pyroclastics
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ignimbrite (1)
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pumice (3)
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rhyolite tuff (1)
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tuff (17)
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rhyodacites (1)
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ophiolite (1)
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volcanic ash (27)
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K-bentonite (30)
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halides
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hydrates (1)
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K-bentonite (30)
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opal
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zeolite group
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clinoptilolite (6)
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erionite (1)
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phillipsite (3)
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-
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orthosilicates
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zircon group
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zircon (26)
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sheet silicates
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chlorite group
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chlorite (6)
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clay minerals
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beidellite (7)
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halloysite (3)
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kaolinite (36)
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illite (94)
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mica group
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palygorskite (5)
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talc (1)
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sulfates
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sulfides
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pyrite (5)
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-
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Primary terms
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absolute age (60)
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Africa
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Asia
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Japan
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Atlantic Ocean
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Australasia
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bacteria (1)
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boron
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Canada
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Nunavut
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Sverdrup Basin (2)
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Queen Elizabeth Islands
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Western Canada
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Alberta
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British Columbia
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Manitoba
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Underground Research Laboratory (1)
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Saskatchewan (6)
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carbon
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C-13/C-12 (8)
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organic carbon (3)
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Cenozoic
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Quaternary
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Pleistocene
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lower Pleistocene (1)
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Matuyama Chron (1)
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Siwalik System (1)
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Tertiary
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lower Tertiary (4)
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Neogene
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Miocene
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lower Miocene
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Saucesian (1)
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middle Miocene
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Luisian (1)
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upper Miocene (1)
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Pliocene
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Gauss Chron (1)
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Paleogene
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Eocene
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Castle Hayne Limestone (2)
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lower Eocene
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Willwood Formation (1)
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middle Eocene
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Yegua Formation (1)
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upper Eocene
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Jackson Group (1)
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Oligocene
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Fish Canyon Tuff (1)
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middle Oligocene
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Bucatunna Formation (1)
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Byram Formation (1)
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upper Oligocene (1)
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Vicksburg Group (2)
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Paleocene
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lower Paleocene
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K-T boundary (3)
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Puercan (1)
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Tullock Member (3)
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upper Cenozoic (2)
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Central America
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Chordata
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Reptilia
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Diapsida
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Archosauria
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dinosaurs (6)
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Synapsida
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Therapsida (1)
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clay deposits (3)
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Europe
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Invertebrata
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Mesozoic
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Cretaceous
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Colorado Group (2)
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Lower Cretaceous
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Albian (4)
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Blackleaf Formation (1)
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Bluesky Formation (1)
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Cedar Mountain Formation (1)
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Gething Formation (2)
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Moosebar Formation (1)
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Mowry Shale (1)
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Pebble Shale (2)
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Purbeckian (1)
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Speeton Clay (1)
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Mancos Shale (4)
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Upper Cretaceous
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Bearpaw Formation (4)
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Belle Fourche Shale (1)
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Belly River Formation (1)
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Bridge Creek Limestone Member (1)
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Campanian
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Dinosaur Park Formation (1)
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upper Campanian (4)
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Cenomanian
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Dunvegan Formation (1)
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lower Cenomanian (1)
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upper Cenomanian (2)
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Colville Group (1)
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Coniacian (2)
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Elkhorn Mountains Volcanics (1)
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Fort Hays Limestone Member (1)
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Frontier Formation (1)
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Greenhorn Limestone (2)
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Gulfian
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Eagle Ford Formation (1)
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-
Hell Creek Formation (3)
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Horseshoe Canyon Formation (3)
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Judith River Formation (3)
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Kanguk Formation (2)
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K-T boundary (3)
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Maestrichtian (5)
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Niobrara Formation (6)
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Oldman Formation (1)
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Pierre Shale (5)
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Saint Mary River Formation (1)
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Santonian (2)
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Senonian (10)
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Smoky Hill Chalk Member (1)
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Tropic Shale (1)
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Turonian
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middle Turonian (1)
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-
Two Medicine Formation (2)
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-
Viking Formation (4)
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Whitemud Formation (1)
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Jurassic
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Carmel Formation (2)
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Fernie Formation (1)
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Lower Jurassic
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Nordegg Member (1)
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Pliensbachian (1)
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Toarcian (1)
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-
Middle Jurassic
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Bajocian (1)
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Bathonian (1)
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Callovian (3)
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Page Sandstone (1)
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-
Opalinus Clay (4)
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Upper Jurassic
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Brushy Basin Member (1)
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Morrison Formation (2)
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Oxfordian (4)
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Salt Wash Sandstone Member (1)
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-
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Triassic
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Lower Triassic (1)
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metal ores
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uranium ores (1)
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vanadium ores (1)
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metals
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actinides
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americium (1)
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neptunium (1)
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alkali metals
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cesium (4)
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lithium
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Li-7/Li-6 (3)
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potassium (8)
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rubidium (1)
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sodium (20)
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alkaline earth metals
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barium (1)
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calcium
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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 (3)
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-
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aluminum (8)
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cadmium (3)
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chromium (1)
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cobalt (2)
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copper (8)
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iron
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ferric iron (3)
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ferrous iron (1)
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lead (4)
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manganese (1)
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mercury (2)
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molybdenum (1)
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nickel (2)
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platinum group
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iridium (2)
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rare earths
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cerium (3)
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europium (2)
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lanthanum (2)
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lutetium (1)
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neodymium
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Nd-144/Nd-143 (2)
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samarium (1)
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yttrium (1)
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technetium
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Tc-99 (1)
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titanium (1)
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zinc (3)
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zirconium (2)
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metamorphic rocks
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gneisses
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granite gneiss (1)
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metaigneous rocks
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serpentinite (1)
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metasedimentary rocks (3)
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metasomatic rocks
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serpentinite (1)
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metavolcanic rocks (2)
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metamorphism (11)
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metasomatism (28)
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Mexico
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Baja California (1)
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Durango Mexico (1)
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mineral deposits, genesis (8)
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mineral exploration (3)
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mineralogy (17)
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minerals (38)
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nitrogen (4)
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noble gases
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argon
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Ar-40 (1)
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-
-
nonmetal deposits (1)
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North America
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Appalachian Basin (7)
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Appalachians
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Southern Appalachians (2)
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Valley and Ridge Province (2)
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Disturbed Belt (3)
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Glacier National Park (1)
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Great Lakes region (1)
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Great Plains (2)
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Gulf Coastal Plain (2)
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Michigan Basin (3)
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North American Cordillera
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Canadian Cordillera (1)
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Omineca Belt (1)
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Rocky Mountains
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Canadian Rocky Mountains (1)
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Saint Lawrence Lowlands (1)
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Sweetgrass Arch (1)
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Western Canada Sedimentary Basin (3)
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Western Interior
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Western Interior Seaway (7)
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-
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Northern Hemisphere (1)
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Oceania
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Polynesia
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Hawaii
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Honolulu County Hawaii
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Oahu (1)
-
-
-
-
-
oil and gas fields (3)
-
orogeny (2)
-
oxygen
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O-18/O-16 (10)
-
-
Pacific Ocean
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North Pacific
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Bering Sea (1)
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Northwest Pacific
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Nankai Trough (1)
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-
-
West Pacific
-
Northwest Pacific
-
Nankai Trough (1)
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-
-
-
paleoclimatology (6)
-
paleoecology (9)
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paleogeography (16)
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paleomagnetism (7)
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Paleozoic
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Cambrian
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Lower Cambrian (2)
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Middle Cambrian (1)
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Upper Cambrian (1)
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-
Carboniferous
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Lower Carboniferous
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Asbian (1)
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Dinantian (3)
-
-
Mississippian
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Middle Mississippian
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Visean
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upper Visean (1)
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-
-
Upper Mississippian
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Serpukhovian (1)
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-
-
Namurian (3)
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Pennsylvanian
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Middle Pennsylvanian
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Moscovian (1)
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-
-
Upper Carboniferous
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Westphalian (1)
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-
-
Devonian
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Lower Devonian
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Oriskany Sandstone (1)
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Middle Devonian
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Onondaga Limestone (1)
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Tioga Bentonite (2)
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Tully Limestone (1)
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-
Upper Devonian (3)
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Knox Group (1)
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lower Paleozoic (1)
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Ordovician
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Lower Ordovician
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Beekmantown Group (1)
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Middle Ordovician
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Black River Group (1)
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Champlainian (1)
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Decorah Shale (1)
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Deicke Bentonite Bed (3)
-
Dolgeville Formation (1)
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Glenwood Shale (1)
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High Bridge Group (1)
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Llanvirnian (1)
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Millbrig Bentonite Bed (3)
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Stones River Group (1)
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-
Trenton Group (6)
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Upper Ordovician
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Ashgillian (1)
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Caradocian (4)
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Cincinnatian (1)
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Edenian (1)
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Mohawkian (1)
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Sandbian (1)
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Trentonian (5)
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-
Utica Shale (2)
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Permian
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Guadalupian (1)
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Irati Formation (1)
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Longtan Formation (1)
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Upper Permian (1)
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Silurian
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Lower Silurian
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Llandovery (4)
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Wenlock (6)
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Upper Silurian
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Ludlow (1)
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-
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Tippecanoe Sequence (1)
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palynomorphs
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Chitinozoa (4)
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paragenesis (2)
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permafrost (1)
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petroleum
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natural gas (2)
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petrology (15)
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Phanerozoic (1)
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phase equilibria (3)
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Plantae
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algae
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diatoms (1)
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nannofossils (3)
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-
Spermatophyta
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Gymnospermae
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Coniferales
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Pinaceae
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Pinus (1)
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-
-
-
-
-
plate tectonics (2)
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pollution (30)
-
Precambrian
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Archean (1)
-
upper Precambrian
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Proterozoic
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Mesoproterozoic
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Belt Supergroup (1)
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-
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reefs (1)
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remote sensing (4)
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reservoirs (1)
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rock mechanics (15)
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sea-level changes (12)
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sedimentary petrology (33)
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sedimentary rocks
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bauxite (1)
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bone beds (1)
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carbonate rocks
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chalk (4)
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limestone (13)
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chemically precipitated rocks
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chert (1)
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evaporites
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salt (3)
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-
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