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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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East Africa
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Ethiopia (1)
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Tanzania
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Oldoinyo Lengai (1)
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Madagascar (2)
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North Africa
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Algeria (1)
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Southern Africa
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Karoo Basin (1)
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South Africa
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Bushveld Complex (1)
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West Africa
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Cameroon
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Mount Cameroon (1)
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Ivory Coast (1)
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Alexander Terrane (4)
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American River (1)
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Antarctica
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Asia
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Far East
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Australasia
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Ontario
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Vancouver Island
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Canadian Cordillera (24)
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Caribbean region
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Fraser River (14)
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Indian Ocean
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Indian Ocean Islands
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Iron Mountain (2)
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Lewis thrust fault (1)
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Medicine Lake (3)
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Mediterranean region
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Aegean Islands
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Ionian Islands (1)
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Mediterranean Sea
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Mexico
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North America
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Basin and Range Province
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Kootenay Arc (2)
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Leech River Fault (2)
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Methow Basin (2)
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North American Cordillera
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Canadian Cordillera (24)
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North American Craton (3)
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Okanagan Valley (2)
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Okanogan Range (5)
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Omineca Belt (1)
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Rocky Mountains
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Canadian Rocky Mountains (3)
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U. S. Rocky Mountains
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Wasatch Range (2)
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Rocky Mountains foreland (1)
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Skagit Valley (4)
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Sonoran Desert (1)
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Straight Creek Fault (5)
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Strait of Georgia (23)
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Western Interior
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Western Interior Seaway (1)
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Yakutat Terrane (1)
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Yukon-Tanana Terrane (1)
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North Island (4)
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Oceania
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Melanesia
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New Caledonia (2)
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Vanuatu (1)
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Polynesia
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Hawaii
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Hawaii County Hawaii
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Hawaii Island
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Hualalai (1)
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Kilauea (4)
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Kohala (1)
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Mauna Kea (1)
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Kauai County Hawaii
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Kauai (1)
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Maui County Hawaii
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Maui (1)
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Mauna Loa (1)
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Pacific Coast (103)
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Pacific Ocean
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East Pacific
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East Pacific Rise (1)
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Northeast Pacific
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Axial Seamount (1)
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Blanco fracture zone (5)
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Cascadia Basin (19)
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Cascadia Channel (5)
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Mendocino fracture zone (4)
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Southeast Pacific
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Equatorial Pacific (2)
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North Pacific
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Bering Sea (1)
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Mid-Pacific Mountains (1)
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Northeast Pacific
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Astoria Canyon (1)
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Axial Seamount (1)
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Blanco fracture zone (5)
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Cascadia Basin (19)
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Cascadia Channel (5)
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Gorda Rise (5)
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Gulf of California (3)
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Hydrate Ridge (13)
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Mendocino fracture zone (4)
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West Pacific
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Southwest Pacific
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Pacific region
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Pasco Basin (9)
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South America
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Argentina
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Ohio
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Hamilton County Ohio (1)
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Oregon
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silver (1)
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O-18/O-16 (38)
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phosphorus (5)
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Aves
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Mammalia
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Primates
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Proboscidea
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Rodentia
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Reptilia
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Sauropterygia
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Invertebrata
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Insecta
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Exopterygota
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Trilobitomorpha
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Brachiopoda
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Articulata
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Mollusca
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Mytilus (2)
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Cephalopoda
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Rotaliina
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Globigerinacea
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Nodosariacea
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Textulariina
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Mazama Ash (8)
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Pleistocene
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Fraser Glaciation (10)
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upper Quaternary (24)
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Tertiary
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Arikareean (2)
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John Day Formation (22)
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lower Tertiary (6)
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middle Tertiary (7)
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Neogene
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Deschutes Formation (6)
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Etchegoin Formation (2)
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Miocene
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Astoria Formation (10)
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Barstovian (1)
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Columbia River Basalt Group (91)
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Ellensburg Formation (11)
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Frenchman Springs Member (7)
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Grande Ronde Basalt (36)
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lower Miocene
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Hemingfordian (2)
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middle Miocene
-
San Onofre Breccia (1)
-
-
Peach Springs Tuff (1)
-
Picture Gorge Basalt (11)
-
Saddle Mountains Basalt (12)
-
Temblor Formation (1)
-
upper Miocene
-
Montesano Formation (5)
-
-
Wanapum Basalt (18)
-
Yakima Basalt (6)
-
-
Pliocene
-
lower Pliocene (11)
-
middle Pliocene (1)
-
upper Pliocene (1)
-
-
Ringold Formation (5)
-
upper Neogene (1)
-
-
Paleogene
-
Eocene
-
Chuckanut Formation (12)
-
Chumstick Formation (14)
-
Clarno Formation (9)
-
Crescent Formation (9)
-
Flournoy Formation (7)
-
Lookingglass Formation (7)
-
lower Eocene
-
Ypresian (1)
-
-
middle Eocene
-
Lutetian (1)
-
Tyee Formation (23)
-
Ulatisian (1)
-
-
Narizian (2)
-
Swauk Formation (10)
-
Uintan (1)
-
Umpqua Formation (5)
-
upper Eocene
-
Chadronian (1)
-
Cowlitz Formation (8)
-
Tepee Trail Formation (1)
-
-
Yamhill Formation (3)
-
-
Oligocene
-
Brule Formation (1)
-
lower Oligocene (9)
-
upper Oligocene
-
Chattian (1)
-
-
-
Paleocene
-
lower Paleocene
-
Danian (1)
-
-
-
Refugian (4)
-
Santa Susana Formation (1)
-
-
Pysht Formation (4)
-
Snoqualmie Batholith (1)
-
Twin River Group (3)
-
Twin Sisters Dunite (5)
-
upper Tertiary (5)
-
-
upper Cenozoic
-
Pico Formation (1)
-
-
Wildcat Group (2)
-
Yakataga Formation (1)
-
-
Laurentide ice sheet (1)
-
Mesozoic
-
Condrey Mountain Schist (1)
-
Cretaceous
-
Lower Cretaceous
-
Albian (4)
-
Aptian (1)
-
Barremian (1)
-
Blake-Bahama Formation (1)
-
Bluesky Formation (1)
-
Gething Formation (1)
-
Hauterivian (2)
-
McMurray Formation (1)
-
Pasayten Group (1)
-
Valanginian (1)
-
-
Mancos Shale (1)
-
Middle Cretaceous (11)
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Queen Charlotte Group (1)
-
Upper Cretaceous
-
Campanian
-
upper Campanian (2)
-
-
Cenomanian (3)
-
Coniacian (3)
-
Hornbrook Formation (6)
-
Kodiak Formation (1)
-
Ladd Formation (1)
-
Maestrichtian (11)
-
Moreno Formation (3)
-
Oldman Formation (1)
-
Santonian (10)
-
Senonian (21)
-
Tuolumne Intrusive Suite (1)
-
Turonian (5)
-
Tuscaloosa Formation (1)
-
-
Yezo Group (1)
-
-
Franciscan Complex (11)
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Great Valley Sequence (7)
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Jurassic
-
Bonanza Group (6)
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Coast Range Ophiolite (4)
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Ladner Group (3)
-
Lower Jurassic
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Hettangian (1)
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lower Liassic (1)
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middle Liassic (1)
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Pliensbachian (1)
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Sinemurian (1)
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Toarcian (1)
-
upper Liassic (1)
-
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Middle Jurassic
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Bajocian (2)
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Callovian (2)
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-
Smartville Complex (2)
-
Upper Jurassic
-
Galice Formation (21)
-
Josephine Ophiolite (16)
-
Josephine Peridotite (2)
-
Kimmeridgian (1)
-
Naknek Formation (1)
-
Oxfordian (3)
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Portlandian (3)
-
Tithonian (3)
-
-
-
lower Mesozoic (7)
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McHugh Complex (1)
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Orocopia Schist (1)
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Sandilands Formation (2)
-
Triassic
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Lower Triassic
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Permian-Triassic boundary (1)
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-
Middle Triassic (2)
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Montney Formation (1)
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Nicola Group (1)
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Upper Triassic
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Carnian (2)
-
Karmutsen Group (13)
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Luning Formation (1)
-
Norian (2)
-
-
-
upper Mesozoic (3)
-
-
MIS 2 (1)
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MIS 3 (3)
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Paleozoic
-
Cambrian
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Lower Cambrian (2)
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Middle Cambrian
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Metaline Limestone (1)
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-
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Carboniferous
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Chilliwack Group (6)
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Lower Carboniferous
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Dinantian (1)
-
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Mississippian
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Price Formation (3)
-
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Pennsylvanian (3)
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Devonian
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Lower Devonian
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Emsian (1)
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Gedinnian (1)
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Lochkovian (1)
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Middle Devonian
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Balaklala Rhyolite (2)
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Copley Greenstone (3)
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Eifelian (1)
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Givetian (2)
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Upper Devonian
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Frasnian (1)
-
-
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lower Paleozoic (6)
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middle Paleozoic (1)
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Ordovician
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Lower Ordovician
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Ellenburger Group (1)
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Saint George Group (1)
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Middle Ordovician
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Llandeilian (1)
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Upper Ordovician
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Ashgillian (2)
-
-
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Permian
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Lower Permian
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Leonardian (1)
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Wolfcampian (1)
-
-
McCloud Limestone (3)
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Upper Permian
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Permian-Triassic boundary (1)
-
-
-
Sauk Sequence (1)
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Shoo Fly Complex (3)
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Silurian
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Middle Silurian
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Keefer Sandstone (1)
-
-
-
upper Paleozoic
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Sicker Group (5)
-
-
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Phanerozoic (4)
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Precambrian
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Archean (2)
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Purcell System (1)
-
upper Precambrian
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Proterozoic
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Huronian
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Gowganda Formation (1)
-
-
Mesoproterozoic
-
Belt Supergroup (4)
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Helena Formation (1)
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Missoula Group (1)
-
Ravalli Group (1)
-
Wallace Formation (1)
-
-
Neoproterozoic
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Ediacaran (1)
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Vendian (1)
-
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Paleoproterozoic (2)
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Windermere System (1)
-
-
-
-
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igneous rocks
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extrusive rocks (2)
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igneous rocks
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carbonatites (1)
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granophyre (2)
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hypabyssal rocks (2)
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peperite (2)
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plutonic rocks
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diabase (5)
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diorites
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plagiogranite (2)
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quartz diorites (9)
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tonalite (20)
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trondhjemite (2)
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gabbros
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troctolite (1)
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granites
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alaskite (1)
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aplite (1)
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biotite granite (2)
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two-mica granite (2)
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granodiorites (18)
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monzodiorite (1)
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pegmatite (1)
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quartz monzonite (4)
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ultramafics
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chromitite (2)
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hornblendite (1)
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peridotites
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dunite (8)
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harzburgite (6)
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lherzolite (1)
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spinel peridotite (1)
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pyroxenite
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orthopyroxenite (2)
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websterite (1)
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-
-
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porphyry (3)
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volcanic rocks
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adakites (1)
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andesites
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boninite (1)
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basalts
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alkali basalts
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hawaiite (1)
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mugearite (1)
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flood basalts (30)
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mid-ocean ridge basalts (9)
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ocean-island basalts (2)
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olivine tholeiite (3)
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shoshonite (1)
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tholeiite (8)
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tholeiitic basalt (5)
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dacites (23)
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glasses
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obsidian (7)
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palagonite (5)
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perlite (1)
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volcanic glass (6)
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keratophyre (1)
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pyroclastics
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ash-flow tuff (3)
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ignimbrite (6)
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pumice (15)
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rhyolite tuff (1)
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scoria (3)
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tuff (19)
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welded tuff (1)
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quartz latite (1)
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rhyodacites (4)
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rhyolites
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pantellerite (1)
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trachyandesites
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absarokite (2)
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-
-
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ophiolite (34)
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volcanic ash (17)
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metamorphic rocks
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metamorphic rocks
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amphibolites (13)
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cataclasites (3)
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eclogite (9)
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gneisses
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orthogneiss (3)
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paragneiss (2)
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granulites (1)
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hornfels (1)
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marbles (2)
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metaigneous rocks
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metabasalt (5)
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metabasite (4)
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metagabbro (2)
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metaperidotite (2)
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metatuff (1)
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serpentinite (13)
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metaplutonic rocks (7)
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metasedimentary rocks
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metaconglomerate (1)
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metagraywacke (1)
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metapelite (2)
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metasandstone (2)
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paragneiss (2)
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metasomatic rocks
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serpentinite (13)
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skarn (5)
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metavolcanic rocks (16)
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migmatites (7)
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mylonites
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pseudotachylite (2)
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phyllites (2)
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phyllonites (1)
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quartzites (1)
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schists
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blueschist (11)
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glaucophane schist (1)
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greenschist (3)
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greenstone (4)
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ophiolite (34)
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turbidite (43)
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meteorites
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meteorites
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stony meteorites
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chondrites
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carbonaceous chondrites (1)
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enstatite chondrites (1)
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ordinary chondrites (1)
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-
-
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minerals
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alloys
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awaruite (1)
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electrum (1)
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amosite (1)
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arsenates
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scorodite (2)
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arsenides
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maucherite (1)
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carbonates
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dolomite (2)
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ikaite (1)
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magnesite (1)
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halides
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hydrates (1)
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minerals (55)
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native elements (1)
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organic minerals
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amber (1)
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oxalates
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weddellite (1)
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whewellite (1)
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oxides
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aluminum oxides (3)
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chrome spinel (1)
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chromite (6)
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gibbsite (1)
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goethite (1)
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hematite (2)
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ilmenite (4)
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iron oxides (3)
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limonite (1)
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magnetite (12)
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manganese oxides (1)
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pseudobrookite (2)
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spinel (1)
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tantalates
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microlite (1)
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titanium oxides (2)
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titanomagnetite (2)
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valentinite (1)
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phosphates
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apatite (14)
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autunite (1)
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monazite (2)
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platinum minerals (2)
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aluminosilicates (1)
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asbestos (1)
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chain silicates
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aenigmatite group
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aenigmatite (1)
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amphibole group
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clinoamphibole
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cummingtonite (1)
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hornblende (14)
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tremolite (1)
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-
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prehnite (5)
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pyroxene group
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clinopyroxene
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augite (4)
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orthopyroxene
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enstatite (1)
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ferrosilite (1)
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-
-
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chlorophaeite (1)
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framework silicates
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feldspar group
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alkali feldspar
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K-feldspar (3)
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microperthite (1)
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orthoclase (2)
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sanidine (2)
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plagioclase
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albite (1)
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anorthite (1)
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labradorite (5)
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-
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scapolite group (2)
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silica minerals
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chalcedony (1)
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cristobalite (2)
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opal
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opal-CT (2)
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quartz (6)
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tridymite (1)
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zeolite group
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analcime (3)
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clinoptilolite (2)
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erionite (1)
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ferrierite (2)
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garronite (1)
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heulandite (3)
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offretite (1)
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wairakite (1)
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-
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garnierite (1)
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iron silicates (1)
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orthosilicates
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garnet group (7)
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olivine group
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fayalite (2)
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laihunite (1)
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wadsleyite (1)
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staurolite (1)
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titanite group
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titanite (4)
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zircon group
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zircon (89)
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-
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sorosilicates
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axinite group (1)
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chevkinite group
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chevkinite (1)
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epidote group
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allanite (1)
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epidote (1)
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zoisite (1)
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lawsonite (1)
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pumpellyite group
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pumpellyite (1)
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-
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ring silicates
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milarite group
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osumilite (5)
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sheet silicates
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chlorite group
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chlorite (8)
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clay minerals
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corrensite (1)
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illite (5)
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mica group
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biotite (7)
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phlogopite (1)
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rectorite (3)
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serpentine group
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chrysotile (1)
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talc (1)
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sulfates
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sulfides
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galena (7)
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orpiment (1)
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sulfosalts
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boulangerite (1)
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-
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vanadates
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volborthite (1)
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-
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Primary terms
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absolute age (265)
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Africa
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atmosphere (6)
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carbon
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catalogs (6)
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Cenozoic
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Quaternary
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Leg 112
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Journal Article
Nonseismic Short‐Duration Events Offshore Cascadia: Characteristics and Potential Origin Available to Purchase
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 24 February 2025
Seismological Research Letters (2025) 96 (2A): 706–720.
Journal Article
Young zircon ages and compositions at Oregon's Mount Hood as evidence of high-silica magma storage underneath an andesitic arc volcano Open Access
Journal: Geosphere
Publisher: Geological Society of America
Published: 21 February 2025
Geosphere (2025) 21 (2): 317–331.
Journal Article
Empirical Analysis of Landslide Runout in Late Pleistocene Glacial Strata in the Eastern Salish Lowland, Washington Available to Purchase
Published: 17 February 2025
Environmental & Engineering Geoscience (2025) 31 (1): 51–65.
Includes: Supplemental Content
Journal Article
Cu nanoparticle geometry as the key to bicolor behavior in Oregon sunstones: An application of LSPR theory in nanomineralogy Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 February 2025
American Mineralogist (2025) 110 (2): 293–305.
Journal Article
Combining Multisite Tsunami and Deformation Modeling to Constrain Slip Distributions for the 1700 C.E. Cascadia Earthquake Available to Purchase
Publisher: Seismological Society of America
Published: 24 January 2025
Bulletin of the Seismological Society of America (2025) 115 (2): 431–451.
Includes: Supplemental Content
Journal Article
Heavy mineral provenance and paleomagnetic studies of Mesozoic rocks in the Gold Beach terrane, southwestern Oregon, USA Available to Purchase
Ericka M. Boudreau, Richard M. Gaschnig, Jeffrey D. Vervoort, Joshua J. Schwartz, Bernard Housen, Basil Tikoff
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 08 January 2025
GSA Bulletin (2025) 137 (5-6): 2565–2595.
Journal Article
Sedimentary record of oceanic plateau accretion: Revisiting the Eocene to Miocene stratigraphy of the northern Olympic Peninsula, Washington (USA) Open Access
Journal: Geosphere
Publisher: Geological Society of America
Published: 22 November 2024
Geosphere (2025) 21 (1): 49–73.
Journal Article
A quantitative analysis of acoustic field directionality from a seismic airgun array Open Access
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 21 November 2024
Geophysics (2024) 89 (6): V653–V667.
Journal Article
Giant plagioclase in the Steens Basalt, southeast Oregon, USA: Tracking the balance of differentiation processes in continental flood basalt evolution Available to Purchase
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 30 October 2024
GSA Bulletin (2025) 137 (3-4): 1731–1746.
Journal Article
Organic geochemical characterization of deltaic Paleogene rock units in Coos Bay, Oregon: Kerogen type and richness in response to depositional environments Available to Purchase
Allison K. Barbato, John M. Armentrout, Leslie B. Magoon, Thomas Demchuk, Craig Barrie, Sophie Warny
Journal: AAPG Bulletin
Publisher: American Association of Petroleum Geologists
Published: 01 September 2024
AAPG Bulletin (2024) 108 (9): 1767–1798.
Journal Article
Reference 1D Seismic Velocity Models for Volcano Monitoring and Imaging: Methods, Models, and Applications Available to Purchase
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 27 August 2024
Seismological Research Letters (2024) 95 (5): 2722–2744.
Includes: Supplemental Content
Journal Article
Post-glacial stratigraphy and late Holocene record of great Cascadia earthquakes in Ozette Lake, Washington, USA Open Access
Daniel S. Brothers, Brian L. Sherrod, Drake M. Singleton, Jason S. Padgett, Jenna C. Hill, Andrew C. Ritchie, Jared W. Kluesner, Peter Dartnell
Journal: Geosphere
Publisher: Geological Society of America
Published: 26 August 2024
Geosphere (2024) 20 (5): 1315–1346.
Journal Article
Shallow Faulting and Folding beneath South‐Central Seattle, Washington State, from Land‐Based High‐Resolution Seismic‐Reflection Imaging Open Access
Journal: The Seismic Record
Publisher: Seismological Society of America
Published: 08 August 2024
The Seismic Record (2024) 4 (3): 184–193.
Journal Article
Probing Deep Hydrogen Using Electrical Conductivity Available to Purchase
Journal: Elements
Publisher: Mineralogical Society of America
Published: 01 August 2024
Elements (2024) 20 (4): 247–252.
Journal Article
Comparing subduction ground-motion models to observations for Cascadia Open Access
Journal: Earthquake Spectra
Publisher: Earthquake Engineering Research Institute
Published: 01 August 2024
Earthquake Spectra (2024) 40 (3): 1787–1817.
Journal Article
The 2023 US National Seismic Hazard Model: Subduction ground-motion models Open Access
Sanaz Rezaeian, Peter M Powers, M.EERI, Jason Altekruse, Sean K Ahdi, M.EERI, Mark D Petersen, M.EERI, Allison M Shumway, Arthur D Frankel, M.EERI, Erin A Wirth, James A Smith, Morgan P Moschetti, M.EERI, Kyle B Withers, Julie A Herrick
Journal: Earthquake Spectra
Publisher: Earthquake Engineering Research Institute
Published: 01 August 2024
Earthquake Spectra (2024) 40 (3): 1739–1786.
Journal Article
Recent Expansion of the Cascades Volcano Observatory Geophysical Network at Mount Rainier for Improved Volcano and Lahar Monitoring Available to Purchase
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 22 July 2024
Seismological Research Letters (2024) 95 (5): 2707–2721.
Journal Article
New investigation of the cyst–motile relationship for Votadinium spinosum reveals a Protoperidinium claudicans species complex (Dinophyceae, Peridiniales) Available to Purchase
Kenneth Neil Mertens, Pjotr Meyvisch, Pieter Gurdebeke, Vera Pospelova, Kazumi Matsuoka, Gwenael Bilien, Haifeng Gu, Aika Yamaguchi
Journal: Palynology
Publisher: AASP -The Palynological Society
Published: 18 July 2024
Palynology (2024) 48 (3): 2303170.
Journal Article
Analyzing Volcanic, Tectonic, and Environmental Influences on the Seismic Velocity from 25 Years of Data at Mount St. Helens Available to Purchase
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 17 July 2024
Seismological Research Letters (2024) 95 (5): 2674–2688.
Includes: Supplemental Content
Journal Article
The Holocene to modern Fraser River Delta, Canada: geological history, processes, deposits, natural hazards, and coastal management Available to Purchase
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 05 July 2024
Canadian Journal of Earth Sciences (2024) 61 (10): 1043–1075.
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