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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
East Africa
-
Ethiopia (1)
-
Tanzania
-
Oldoinyo Lengai (1)
-
-
-
Madagascar (2)
-
North Africa
-
Algeria (1)
-
-
Southern Africa
-
Karoo Basin (1)
-
South Africa
-
Bushveld Complex (2)
-
Transvaal region (1)
-
-
-
West Africa
-
Cameroon
-
Mount Cameroon (1)
-
-
Ivory Coast (1)
-
-
-
Alexander Terrane (1)
-
Antarctica
-
Antarctic ice sheet (1)
-
Transantarctic Mountains (1)
-
Victoria Land (1)
-
West Antarctica (1)
-
-
Arctic Ocean
-
Barents Sea (1)
-
Chukchi Sea (1)
-
East Siberian Sea (1)
-
Kara Sea (1)
-
Laptev Sea (1)
-
-
Arctic region
-
Greenland
-
Greenland ice sheet (1)
-
-
-
Asia
-
Arabian Peninsula
-
Saudi Arabia (1)
-
-
Far East
-
China (1)
-
Japan
-
Hokkaido
-
Tokachi (1)
-
Usu (2)
-
-
Honshu
-
Izu-shichito
-
Izu-Oshima (1)
-
Miyake-Jima (1)
-
-
Osaka Japan (1)
-
-
Koma-ga-take (1)
-
Kyushu
-
Nagasaki Japan
-
Unzen (3)
-
-
-
-
Philippine Islands
-
Luzon
-
Mayon (1)
-
Mount Pinatubo (5)
-
-
Samar (1)
-
-
Taiwan (1)
-
-
Indian Peninsula
-
India
-
Maharashtra India
-
Poona India (1)
-
-
-
Nepal (1)
-
-
Middle East
-
Dead Sea (1)
-
Iran (1)
-
Israel (1)
-
Turkey
-
Izmir Turkey (1)
-
-
-
Siwalik Range (1)
-
-
Atlantic Ocean
-
Mid-Atlantic Ridge (1)
-
North Atlantic
-
Caribbean Sea (1)
-
Gulf of Mexico (2)
-
Northwest Atlantic (1)
-
-
-
Atlantic Ocean Islands
-
Canary Islands
-
Hierro (1)
-
-
-
Australasia
-
Australia
-
New South Wales Australia (1)
-
Queensland Australia
-
Mount Isa Australia (1)
-
-
-
New Zealand
-
Hawke's Bay New Zealand (1)
-
Ngauruhoe (1)
-
Otago New Zealand (1)
-
-
-
Bering Strait (1)
-
Black Hills (1)
-
Black Rock Desert (1)
-
Blue Mountains (9)
-
Borax Lake (1)
-
Cache Creek (3)
-
Canada
-
Arctic Archipelago (1)
-
Eastern Canada
-
Newfoundland and Labrador
-
Labrador (1)
-
Newfoundland (1)
-
-
Ontario (1)
-
Quebec (1)
-
-
Stikinia Terrane (1)
-
Western Canada
-
Alberta (4)
-
Athabasca Basin (1)
-
British Columbia
-
Cariboo Mountains (1)
-
Fraser River delta (6)
-
Guichon Creek Batholith (4)
-
Hope British Columbia (3)
-
Kamloops British Columbia (1)
-
Mount Meager (2)
-
Omineca Mountains (1)
-
Prince Rupert British Columbia (1)
-
Princeton British Columbia (10)
-
Queen Charlotte Islands (3)
-
Salmo British Columbia (1)
-
Tulameen coal area (4)
-
Vancouver British Columbia (7)
-
Vancouver Island
-
Victoria British Columbia (2)
-
-
-
Canadian Cordillera (22)
-
Canadian Rocky Mountains (2)
-
Northwest Territories (4)
-
Saskatchewan (4)
-
Selwyn Basin (1)
-
Yukon Territory (11)
-
-
-
Caribbean region
-
West Indies
-
Antilles
-
Greater Antilles
-
Cuba (1)
-
Jamaica (1)
-
Puerto Rico (2)
-
-
Lesser Antilles
-
Barbados (1)
-
Martinique
-
Mount Pelee (5)
-
-
Saint Vincent (1)
-
Soufriere (2)
-
Virgin Islands (1)
-
-
-
Caribbean Mountain Range (1)
-
-
-
Casa Diablo (1)
-
Cascade Range (421)
-
Cascadia subduction zone (67)
-
Central America
-
Costa Rica (1)
-
Guatemala
-
Santiaguito (2)
-
-
Panama (2)
-
-
Central Valley (5)
-
Cerro Prieto (1)
-
Channeled Scabland (11)
-
Chocolate Mountains (1)
-
Clear Creek (2)
-
Clear Lake (1)
-
Coast Belt (3)
-
Coast Mountains (17)
-
Coast Ranges (35)
-
Colorado River (1)
-
Columbia Hills (3)
-
Columbia River (28)
-
Columbia River basin (11)
-
Cook Inlet (1)
-
Crater Lake (16)
-
Deschutes River (2)
-
Diablo Range (1)
-
Discovery Bay (1)
-
Don River (1)
-
Eagle Lake (1)
-
East Pacific Ocean Islands
-
Hawaii
-
Hawaii County Hawaii
-
Hawaii Island
-
Hualalai (1)
-
Kilauea (4)
-
Kohala (1)
-
Mauna Kea (1)
-
-
-
Kauai County Hawaii
-
Kauai (1)
-
-
Maui County Hawaii
-
Maui (1)
-
-
Mauna Loa (1)
-
-
-
Elk Lake (1)
-
Elk River (1)
-
Europe
-
Alps (2)
-
Central Europe
-
Switzerland (2)
-
-
Pyrenees
-
French Pyrenees (1)
-
-
Southern Europe
-
Greece
-
Greek Aegean Islands
-
Cyclades
-
Santorin (1)
-
-
-
-
Iberian Peninsula
-
Spain (1)
-
-
Italy
-
Latium Italy (1)
-
Sardinia Italy (1)
-
Sicily Italy
-
Lipari Islands
-
Vulcano (1)
-
-
Mount Etna (1)
-
-
-
-
Western Europe
-
France
-
Burgundy (1)
-
French Pyrenees (1)
-
Gironde France
-
Bordeaux France (1)
-
-
-
Scandinavia
-
Denmark (1)
-
-
United Kingdom
-
Great Britain
-
Scotland (2)
-
Wales (1)
-
-
-
-
-
Explorer Plate (1)
-
False Bay (1)
-
Fraser River (10)
-
Georgia Basin (1)
-
Glacier Peak (4)
-
Graham Island (1)
-
Grand Canyon (2)
-
Grays Harbor (2)
-
Green Lake (1)
-
Green River (1)
-
Green River basin (2)
-
Harrison Lake (3)
-
Imperial Valley (2)
-
Indian Ocean Islands
-
Madagascar (2)
-
-
Iron Mountain (2)
-
Lake Washington (6)
-
Lewis thrust fault (1)
-
Long Valley (1)
-
Marble Canyon (1)
-
Marble Mountains (2)
-
Medicine Lake (11)
-
Mediterranean region
-
Aegean Islands
-
Greek Aegean Islands
-
Cyclades
-
Santorin (1)
-
-
-
-
-
Mexico
-
Baja California (12)
-
Baja California Mexico (5)
-
Baja California Sur Mexico (2)
-
Coahuila Mexico (1)
-
Durango Mexico (1)
-
Jalisco Mexico
-
Colima (1)
-
-
Pico de Orizaba (2)
-
Popocatepetl (1)
-
Sonora Mexico (2)
-
-
Mount Adams (8)
-
Mount Baker (14)
-
Mount Jefferson (2)
-
North America
-
Appalachians (2)
-
Basin and Range Province
-
Great Basin (12)
-
-
Belt Basin (1)
-
Canadian Shield
-
Superior Province
-
Pontiac Subprovince (1)
-
-
-
Coast plutonic complex (14)
-
Denali Fault (1)
-
Great Lakes
-
Lake Ontario (1)
-
-
Great Plains (1)
-
Intermontane Belt (4)
-
Juan de Fuca Strait (5)
-
Kootenay Arc (2)
-
Methow Basin (4)
-
North American Cordillera
-
Canadian Cordillera (22)
-
-
North American Craton (4)
-
Okanagan Valley (2)
-
Okanogan Range (4)
-
Omineca Belt (1)
-
Peninsular Ranges Batholith (1)
-
Rocky Mountains
-
Canadian Rocky Mountains (2)
-
U. S. Rocky Mountains
-
Bitterroot Range (1)
-
Wasatch Range (2)
-
-
-
Rocky Mountains foreland (1)
-
Skagit Valley (3)
-
Slide Mountain Terrane (1)
-
Straight Creek Fault (5)
-
Strait of Georgia (4)
-
Western Interior (2)
-
Yakutat Terrane (1)
-
Yukon-Tanana Terrane (1)
-
-
North Island (3)
-
Oceania
-
Melanesia
-
New Caledonia (2)
-
-
Polynesia
-
Hawaii
-
Hawaii County Hawaii
-
Hawaii Island
-
Hualalai (1)
-
Kilauea (4)
-
Kohala (1)
-
Mauna Kea (1)
-
-
-
Kauai County Hawaii
-
Kauai (1)
-
-
Maui County Hawaii
-
Maui (1)
-
-
Mauna Loa (1)
-
-
-
-
Pacific Coast (79)
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific
-
Blanco fracture zone (4)
-
Cascadia Basin (7)
-
Cascadia Channel (3)
-
Gorda Rise (2)
-
Gulf of California (2)
-
Hydrate Ridge (1)
-
Juan de Fuca Ridge (5)
-
Mendocino fracture zone (2)
-
Monterey Canyon (1)
-
-
Southeast Pacific
-
Chile Ridge (1)
-
-
-
North Pacific
-
Bering Sea (1)
-
Mid-Pacific Mountains (1)
-
Northeast Pacific
-
Blanco fracture zone (4)
-
Cascadia Basin (7)
-
Cascadia Channel (3)
-
Gorda Rise (2)
-
Gulf of California (2)
-
Hydrate Ridge (1)
-
Juan de Fuca Ridge (5)
-
Mendocino fracture zone (2)
-
Monterey Canyon (1)
-
-
Northwest Pacific (2)
-
-
South Pacific
-
Southeast Pacific
-
Chile Ridge (1)
-
-
-
West Pacific
-
Northwest Pacific (2)
-
-
-
Pacific region
-
Circum-Pacific region (1)
-
-
Pasco Basin (8)
-
Queen Charlotte Fault (1)
-
Quesnellia Terrane (3)
-
Red Mountain (3)
-
Sacramento Basin (1)
-
Sacramento River (1)
-
Sacramento Valley (5)
-
San Andreas Fault (11)
-
San Joaquin Basin (1)
-
San Juan Islands (41)
-
Santa Cruz Mountains (1)
-
Santa Maria Basin (1)
-
Sierra Nevada (20)
-
Snake Range (1)
-
Snake River basin (2)
-
Snake River canyon (1)
-
South America
-
Andes
-
Galeras (1)
-
-
Argentina (1)
-
Chile
-
Antofagasta Chile
-
Lascar (1)
-
-
-
Colombia
-
Galeras (1)
-
Nevado del Ruiz (2)
-
-
Ecuador (1)
-
Peru (1)
-
Venezuela
-
Federal District Venezuela
-
Caracas Venezuela (1)
-
-
-
-
Spirit Lake (7)
-
Sydney Basin (1)
-
Table Mountain (1)
-
Trinity River (1)
-
Trinity River basin (1)
-
United States
-
Alabama (1)
-
Alaska
-
Aleutian Islands (2)
-
Katmai (1)
-
Katmai National Park (1)
-
Kodiak Island (1)
-
Prince William Sound (1)
-
Redoubt (1)
-
Seward Peninsula (1)
-
Talkeetna Mountains (1)
-
Teller Quadrangle (1)
-
Valdez Alaska (1)
-
-
Arizona (14)
-
Arkansas
-
Garland County Arkansas (1)
-
-
California
-
Alameda County California
-
Berkeley California (1)
-
-
Butte County California (8)
-
Central California (2)
-
Colusa County California (3)
-
Contra Costa County California (2)
-
Del Norte County California (5)
-
Fresno County California (2)
-
Glenn County California (4)
-
Hayward Fault (1)
-
Humboldt County California (6)
-
Inyo County California
-
Coso Hot Springs KGRA (1)
-
-
Kern County California (2)
-
Kingston Range (1)
-
Lake County California (3)
-
Lassen County California (10)
-
Lassen Volcanic National Park (11)
-
Los Angeles Basin (2)
-
Los Angeles County California
-
Los Angeles California (7)
-
Palos Verdes Peninsula (1)
-
Santa Monica Bay (1)
-
-
Mendocino County California (3)
-
Merced County California (1)
-
Modoc County California (8)
-
Modoc Plateau (4)
-
Mono County California
-
Inyo Domes (1)
-
Long Valley Caldera (3)
-
Mono Craters (2)
-
Mono Lake (1)
-
Obsidian Dome (1)
-
-
Monterey Bay (2)
-
Monterey County California
-
Parkfield California (1)
-
-
Napa County California (1)
-
Nevada County California (2)
-
Newport-Inglewood Fault (1)
-
Northern California (127)
-
Orange County California (6)
-
Plumas County California (16)
-
Rattlesnake Creek Terrane (2)
-
Salinian Block (2)
-
San Benito County California
-
San Juan Bautista California (1)
-
-
San Fernando Valley (1)
-
San Francisco Bay (1)
-
San Francisco Bay region (1)
-
San Francisco County California
-
San Francisco California (3)
-
-
San Joaquin Valley (1)
-
Santa Ana Mountains (2)
-
Santa Barbara Channel (2)
-
Santa Barbara County California
-
Point Conception (1)
-
Santa Maria California (1)
-
-
Santa Cruz County California (1)
-
Shasta County California
-
Lassen Peak (20)
-
West Shasta mining district (19)
-
-
Sierra County California (3)
-
Sierra Nevada Batholith (1)
-
Siskiyou County California
-
Medicine Lake Highland (5)
-
Mount Shasta (15)
-
-
Solano County California (1)
-
Sonoma County California (1)
-
Southern California (6)
-
Southern California Batholith (1)
-
Stanislaus County California (1)
-
Tehachapi Mountains (1)
-
Tehama County California (16)
-
The Geysers (2)
-
Trinity Complex (7)
-
Trinity County California (21)
-
Tulare County California (2)
-
Tuolumne County California (1)
-
Ventura County California (1)
-
Yolla Bolly Terrane (1)
-
Yolo County California (1)
-
Yosemite National Park (1)
-
-
Coeur d'Alene mining district (1)
-
Colorado
-
Fremont County Colorado (1)
-
-
Colorado Plateau (2)
-
Columbia Plateau (43)
-
Eastern U.S.
-
Northeastern U.S. (1)
-
-
Florida
-
Jackson County Florida (1)
-
-
Georgia (1)
-
Great Basin (12)
-
Hawaii
-
Hawaii County Hawaii
-
Hawaii Island
-
Hualalai (1)
-
Kilauea (4)
-
Kohala (1)
-
Mauna Kea (1)
-
-
-
Kauai County Hawaii
-
Kauai (1)
-
-
Maui County Hawaii
-
Maui (1)
-
-
Mauna Loa (1)
-
-
Hayfork Terrane (4)
-
Idaho
-
Bonneville County Idaho (1)
-
Clearwater County Idaho (1)
-
Idaho County Idaho (1)
-
Nez Perce County Idaho (1)
-
Snake River plain (8)
-
-
Idaho Batholith (5)
-
Illinois
-
Cook County Illinois
-
Chicago Illinois (1)
-
-
-
Kansas (1)
-
Kentucky (1)
-
Klamath Mountains (96)
-
Lewis and Clark Lineament (1)
-
Louisiana (2)
-
Maine (1)
-
Maryland (2)
-
Massachusetts
-
Suffolk County Massachusetts
-
Boston Massachusetts (1)
-
-
Worcester County Massachusetts (1)
-
-
Michigan (1)
-
Midwest (2)
-
Minnesota (2)
-
Missouri (3)
-
Mojave Desert (2)
-
Montana
-
Lewis and Clark County Montana (1)
-
Stillwater County Montana (1)
-
-
Nebraska
-
Sioux County Nebraska (1)
-
-
Nevada
-
Churchill County Nevada (1)
-
Elko County Nevada (1)
-
Esmeralda County Nevada
-
Goldfield Nevada (1)
-
-
Eureka County Nevada (2)
-
Humboldt County Nevada (1)
-
Lander County Nevada (1)
-
Pershing County Nevada (1)
-
Roberts Mountains Allochthon (1)
-
Washoe County Nevada (1)
-
White Pine County Nevada (1)
-
-
New Jersey (3)
-
New Mexico (7)
-
New York
-
Finger Lakes (1)
-
Montgomery County New York (1)
-
New York City New York (3)
-
-
North Carolina
-
Yancey County North Carolina (1)
-
-
Oregon
-
Benton County Oregon (1)
-
Brothers fault zone (1)
-
Clackamas County Oregon (9)
-
Clatsop County Oregon (1)
-
Columbia County Oregon (7)
-
Coos County Oregon
-
Coos Bay (1)
-
-
Crook County Oregon (5)
-
Curry County Oregon (2)
-
Deschutes County Oregon
-
Newberry Volcano (12)
-
-
Douglas County Oregon (2)
-
Gilliam County Oregon (2)
-
Grant County Oregon (2)
-
Harney County Oregon
-
Steens Mountain (1)
-
-
Hood River County Oregon (9)
-
Jackson County Oregon (11)
-
Jefferson County Oregon (8)
-
Josephine County Oregon (4)
-
Klamath County Oregon
-
Klamath Falls (2)
-
Klamath Falls Oregon (1)
-
Mount Mazama (13)
-
-
Lake County Oregon (12)
-
Lane County Oregon (18)
-
Lincoln County Oregon (2)
-
Linn County Oregon (10)
-
Malheur County Oregon (1)
-
Marion County Oregon (10)
-
Mount Hood (13)
-
Multnomah County Oregon
-
Portland Oregon (17)
-
-
Polk County Oregon (1)
-
Rogue River (1)
-
Sherman County Oregon (2)
-
Wallowa Mountains (1)
-
Wasco County Oregon (4)
-
Washington County Oregon (3)
-
Wheeler County Oregon (3)
-
Willamette River (2)
-
Willamette Valley (6)
-
Yamhill County Oregon (1)
-
-
Pennsylvania (1)
-
Sevier orogenic belt (2)
-
South Carolina
-
Charleston County South Carolina
-
Charleston South Carolina (1)
-
-
-
South Dakota (3)
-
Southwestern U.S. (1)
-
Tennessee
-
Shelby County Tennessee
-
Memphis Tennessee (2)
-
-
-
Texas
-
Harris County Texas (1)
-
-
U. S. Rocky Mountains
-
Bitterroot Range (1)
-
Wasatch Range (2)
-
-
Utah
-
Beaver County Utah (1)
-
Salt Lake County Utah
-
Salt Lake City Utah (5)
-
-
San Juan County Utah (1)
-
Tintic mining district (1)
-
Washington County Utah (1)
-
-
Vermont
-
Chittenden County Vermont (1)
-
-
Virginia (1)
-
Walker Lane (2)
-
Washington
-
Chelan County Washington (40)
-
Clallam County Washington (3)
-
Clark County Washington
-
Vancouver Washington (3)
-
-
Cowlitz County Washington (8)
-
Cowlitz River (4)
-
Ferry County Washington (4)
-
Franklin County Washington (1)
-
Golden Horn Batholith (5)
-
Grant County Washington (1)
-
Grays Harbor County Washington (3)
-
Hanford Site (1)
-
Island County Washington (9)
-
Jefferson County Washington (9)
-
King County Washington
-
Seattle Washington (64)
-
-
Kitsap County Washington
-
Kitsap Peninsula (1)
-
-
Kittitas County Washington (20)
-
Klickitat County Washington (4)
-
Lewis County Washington (14)
-
Mason County Washington (5)
-
Mount Rainier National Park (8)
-
Okanogan County Washington (13)
-
Olympic Mountains (6)
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Western U.S. (123)
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elements, isotopes
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carbon
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chemical elements (1)
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hydrogen
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isotope ratios (45)
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Al-26 (1)
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Nd-144/Nd-143 (19)
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magnesium (7)
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Rb-87/Sr-86 (1)
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Sr-87 (1)
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Sr-87/Sr-86 (34)
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aluminum
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copper (10)
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hafnium
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iron
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lead
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Pb-204 (1)
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Pb-206/Pb-204 (7)
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Nd-144/Nd-143 (19)
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Sm-147/Nd-144 (1)
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samarium
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Sm-147/Nd-144 (1)
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silver (1)
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oxygen
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dissolved oxygen (1)
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O-18/O-16 (27)
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phosphorus (3)
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S-34/S-32 (7)
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trace metals (3)
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Chordata
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Tetrapoda
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Amphibia
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Aves
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Charadriiformes (1)
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Strigiformes (1)
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Mammalia
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Artiodactyla
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Bison (1)
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Carnivora
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Canidae (1)
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Cetacea (1)
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Chiroptera (1)
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Insectivora
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Dermoptera (1)
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Lagomorpha (1)
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Perissodactyla
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Hippomorpha
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Equidae (1)
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Primates
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Hominidae
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Homo
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Homo sapiens
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Homo sapiens sapiens (1)
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Proboscidea
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Elephantoidea
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Elephantidae
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Rodentia
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Myomorpha
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Cricetidae
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Microtus (1)
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Sciuromorpha
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Sciuridae (1)
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Tillodontia (1)
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Metatheria
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Marsupialia
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Polyprotodontia
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Didelphidae (1)
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Reptilia
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Anapsida
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Testudines
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Diapsida
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Ichthyosauria
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Ichthyosaurus (1)
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Lepidosauria (1)
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coprolites (5)
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Cyclostomata (1)
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Invertebrata
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Mandibulata
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Crustacea
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Cirripedia (3)
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Malacostraca
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Brachyura (3)
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Ostracoda
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Podocopida
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Platycopida
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Cytherellidae
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Cytherelloidea (1)
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Insecta
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Pterygota
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Neoptera
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Endopterygota
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Neuroptera (1)
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Trilobitomorpha
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Trilobita (4)
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Brachiopoda
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Articulata
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Pentamerida (1)
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Rhynchonellida (1)
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Strophomenida (1)
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Terebratulida
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Terebratulidae (4)
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Terebratulina (3)
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-
-
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Bryozoa
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Cheilostomata (1)
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Cnidaria
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Anthozoa
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Zoantharia
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Rugosa (5)
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Hydrozoa (1)
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Echinodermata
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Asterozoa
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Stelleroidea
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Asteroidea (1)
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Crinozoa
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Crinoidea (1)
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Echinozoa
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Echinoidea (1)
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Mollusca
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Bivalvia
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Heterodonta
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Veneroida
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Veneridae (1)
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Mytilus (1)
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Pterioida
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Pteriina
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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 (1)
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Nautiloidea (2)
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Gastropoda
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Naticidae (1)
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Neogastropoda
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Muricidae (2)
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Scaphopoda (1)
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Porifera
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Stromatoporoidea (1)
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Protista
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Foraminifera
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Fusulinidae (4)
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Rotaliina
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Rotaliacea
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Nummulitidae
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Nummulites
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Operculina (1)
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Textulariina
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Lituolacea
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Trochammina (1)
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Radiolaria
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Osculosida
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Nassellina (4)
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Spumellina (2)
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Silicoflagellata (1)
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Tintinnidae (1)
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Vermes
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lichens (1)
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Conodonta (8)
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Fusulinidae (4)
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-
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palynomorphs
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miospores
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pollen (18)
-
-
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Plantae
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algae
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Chlorophyta
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Chlorophyceae
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Dasycladaceae (2)
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Chrysophyta (1)
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Bryophyta
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Musci (2)
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Pteridophyta (3)
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Spermatophyta
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Angiospermae
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Acer (1)
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Fagus (1)
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Monocotyledoneae
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Palmae (1)
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Gymnospermae
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Coniferales
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Pinaceae
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Abies (3)
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Taxodium (1)
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Tsuga (2)
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-
-
problematic fossils (3)
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thallophytes (13)
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tracks (1)
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geochronology methods
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(U-Th)/He (4)
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exposure age (6)
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K/Ar (41)
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paleomagnetism (64)
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Pb/Pb (4)
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Rb/Sr (15)
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tree rings (8)
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U/Pb (65)
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U/Th/Pb (1)
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uranium disequilibrium (1)
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geologic age
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Cenozoic
-
Glenns Ferry Formation (1)
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middle Cenozoic (1)
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Quaternary
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Cordilleran ice sheet (18)
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Hat Creek Basalt (2)
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Holocene
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lower Holocene (8)
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Middle Ages (1)
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middle Holocene (2)
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Neoglacial
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Little Ice Age (1)
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upper Holocene
-
Little Ice Age (1)
-
-
-
Mazama Ash (4)
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Pleistocene
-
Bishop Tuff (1)
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Gunz (1)
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Illinoian (1)
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Lake Lahontan (1)
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Lake Missoula (13)
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lower Pleistocene (1)
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Matuyama Chron (1)
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middle Pleistocene (2)
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upper Pleistocene
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Sangamonian (1)
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Weichselian
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upper Weichselian
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Allerod (2)
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Younger Dryas (3)
-
-
-
Wisconsinan
-
lower Wisconsinan (2)
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middle Wisconsinan (2)
-
upper Wisconsinan
-
Fraser Glaciation (5)
-
-
-
-
-
upper Quaternary
-
Brunhes Chron (1)
-
-
-
Tertiary
-
Challis Volcanics (3)
-
John Day Formation (17)
-
lower Tertiary (5)
-
middle Tertiary (5)
-
Neogene
-
Deschutes Formation (6)
-
Etchegoin Formation (2)
-
Miocene
-
Astoria Formation (4)
-
Barstovian (1)
-
Columbia River Basalt Group (69)
-
Ellensburg Formation (11)
-
Frenchman Springs Member (7)
-
Grande Ronde Basalt (27)
-
lower Miocene
-
Hemingfordian (2)
-
-
middle Miocene
-
San Onofre Breccia (1)
-
-
Peach Springs Tuff (1)
-
Picture Gorge Basalt (8)
-
Saddle Mountains Basalt (8)
-
Temblor Formation (1)
-
upper Miocene
-
Montesano Formation (3)
-
-
Wanapum Basalt (13)
-
Yakima Basalt (6)
-
-
Pliocene
-
lower Pliocene (11)
-
middle Pliocene (1)
-
upper Pliocene (2)
-
-
Ringold Formation (4)
-
upper Neogene (1)
-
-
Paleogene
-
Eocene
-
Chuckanut Formation (10)
-
Chumstick Formation (11)
-
Clarno Formation (6)
-
Crescent Formation (4)
-
Flournoy Formation (3)
-
Lookingglass Formation (2)
-
lower Eocene (15)
-
middle Eocene
-
Tyee Formation (11)
-
-
Narizian (1)
-
Swauk Formation (9)
-
Uintan (1)
-
Umpqua Formation (2)
-
upper Eocene
-
Chadronian (1)
-
Cowlitz Formation (7)
-
Tepee Trail Formation (1)
-
-
Yamhill Formation (1)
-
-
Oligocene
-
Brule Formation (1)
-
lower Oligocene (4)
-
upper Oligocene
-
Chattian (1)
-
-
-
Paleocene
-
lower Paleocene (1)
-
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Refugian (2)
-
Santa Susana Formation (1)
-
-
Pysht Formation (1)
-
Snoqualmie Batholith (1)
-
Twin Sisters Dunite (5)
-
upper Tertiary (3)
-
-
upper Cenozoic
-
Pico Formation (1)
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Wildcat Group (1)
-
Yakataga Formation (1)
-
-
Laurentide ice sheet (1)
-
Mesozoic
-
Condrey Mountain Schist (1)
-
Cretaceous
-
Alisitos Formation (2)
-
Lower Cretaceous
-
Albian (10)
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Aptian (4)
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Barremian (3)
-
Blake-Bahama Formation (1)
-
Hauterivian (2)
-
Valanginian (1)
-
-
Mancos Shale (1)
-
Middle Cretaceous (10)
-
Queen Charlotte Group (1)
-
Upper Cretaceous
-
Campanian (13)
-
Cenomanian (5)
-
Coniacian (3)
-
Hornbrook Formation (7)
-
Kodiak Formation (1)
-
Ladd Formation (3)
-
Maestrichtian (8)
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Moreno Formation (2)
-
Santonian (7)
-
Senonian (13)
-
Tuolumne Intrusive Suite (1)
-
Turonian (6)
-
Tuscaloosa Formation (1)
-
-
-
Franciscan Complex (19)
-
Great Valley Sequence (13)
-
Jurassic
-
Coast Range Ophiolite (3)
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Ladner Group (3)
-
Lower Jurassic
-
middle Liassic (1)
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Pliensbachian (1)
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Toarcian (1)
-
upper Liassic (1)
-
-
Middle Jurassic
-
Bajocian (3)
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Callovian (1)
-
-
Smartville Complex (1)
-
Upper Jurassic
-
Galice Formation (5)
-
Josephine Ophiolite (5)
-
Kimmeridgian (1)
-
Oxfordian (3)
-
Portlandian (3)
-
Tithonian (3)
-
-
-
lower Mesozoic (4)
-
McHugh Complex (1)
-
Orocopia Schist (1)
-
Sandilands Formation (1)
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (1)
-
-
Middle Triassic (2)
-
Nicola Group (2)
-
Upper Triassic
-
Carnian (1)
-
Luning Formation (1)
-
Norian (2)
-
-
-
upper Mesozoic (2)
-
-
MIS 2 (1)
-
MIS 3 (1)
-
Paleozoic
-
Cambrian
-
Lower Cambrian (3)
-
Middle Cambrian
-
Metaline Limestone (1)
-
-
-
Carboniferous
-
Chilliwack Group (6)
-
Lower Carboniferous
-
Dinantian (1)
-
-
Mississippian
-
Upper Mississippian (1)
-
-
Pennsylvanian
-
Upper Pennsylvanian (1)
-
-
Upper Carboniferous (1)
-
-
Devonian
-
Lower Devonian
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Emsian (1)
-
Gedinnian (1)
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Siegenian (1)
-
-
Middle Devonian
-
Balaklala Rhyolite (9)
-
Copley Greenstone (8)
-
Eifelian (1)
-
Givetian (1)
-
-
Upper Devonian (1)
-
-
lower Paleozoic (4)
-
middle Paleozoic (2)
-
Ordovician
-
Lower Ordovician
-
Ellenburger Group (1)
-
-
Middle Ordovician
-
Llandeilian (1)
-
-
Upper Ordovician
-
Ashgillian (1)
-
-
-
Permian
-
Guadalupian (1)
-
Lower Permian
-
Leonardian (1)
-
Wolfcampian (1)
-
-
McCloud Limestone (7)
-
Upper Permian
-
Permian-Triassic boundary (1)
-
-
-
Sauk Sequence (1)
-
Shoo Fly Complex (3)
-
Silurian
-
Middle Silurian
-
Keefer Sandstone (1)
-
Roberts Mountains Formation (1)
-
-
-
upper Paleozoic (9)
-
-
Phanerozoic (3)
-
Precambrian
-
Archean (1)
-
Purcell System (1)
-
upper Precambrian
-
Proterozoic
-
Huronian
-
Gowganda Formation (1)
-
-
Mesoproterozoic
-
Belt Supergroup (4)
-
Helena Formation (1)
-
Missoula Group (1)
-
Ravalli Group (1)
-
Wallace Formation (1)
-
-
Neoproterozoic
-
Ediacaran (1)
-
Vendian (1)
-
-
Paleoproterozoic (1)
-
Windermere System (1)
-
-
-
-
-
igneous rocks
-
extrusive rocks (2)
-
igneous rocks
-
carbonatites (1)
-
granophyre (1)
-
hypabyssal rocks (1)
-
peperite (2)
-
plutonic rocks
-
diabase (2)
-
diorites
-
plagiogranite (1)
-
quartz diorites (3)
-
tonalite (17)
-
trondhjemite (4)
-
-
gabbros
-
troctolite (1)
-
-
granites
-
alaskite (1)
-
aplite (1)
-
biotite granite (3)
-
two-mica granite (2)
-
-
granodiorites (15)
-
quartz monzonite (2)
-
ultramafics
-
chromitite (1)
-
hornblendite (1)
-
peridotites
-
dunite (10)
-
harzburgite (5)
-
lherzolite (2)
-
-
pyroxenite
-
orthopyroxenite (2)
-
websterite (1)
-
-
-
-
porphyry (4)
-
volcanic rocks
-
adakites (1)
-
andesites
-
boninite (1)
-
-
basalts
-
flood basalts (23)
-
mid-ocean ridge basalts (6)
-
ocean-island basalts (2)
-
olivine tholeiite (4)
-
shoshonite (1)
-
tholeiite (4)
-
tholeiitic basalt (5)
-
-
dacites (29)
-
glasses
-
obsidian (6)
-
palagonite (5)
-
perlite (1)
-
volcanic glass (5)
-
-
keratophyre (1)
-
latite (1)
-
pyroclastics
-
andesite tuff (1)
-
ash-flow tuff (5)
-
ignimbrite (6)
-
pumice (17)
-
scoria (4)
-
tuff (16)
-
welded tuff (1)
-
-
quartz latite (1)
-
rhyodacites (5)
-
rhyolites
-
pantellerite (1)
-
-
trachyandesites
-
absarokite (2)
-
-
-
-
ophiolite (29)
-
volcanic ash (17)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (9)
-
cataclasites (2)
-
eclogite (6)
-
gneisses
-
orthogneiss (3)
-
paragneiss (3)
-
-
granulites (1)
-
hornfels (1)
-
marbles (2)
-
metaigneous rocks
-
metabasalt (4)
-
metabasite (1)
-
metadacite (1)
-
metagabbro (3)
-
metaperidotite (2)
-
metarhyolite (1)
-
serpentinite (10)
-
-
metaplutonic rocks (3)
-
metasedimentary rocks
-
metaconglomerate (2)
-
metagraywacke (1)
-
metapelite (2)
-
metasandstone (3)
-
paragneiss (3)
-
-
metasomatic rocks
-
serpentinite (10)
-
skarn (1)
-
-
metavolcanic rocks (19)
-
migmatites
-
agmatite (1)
-
-
mylonites
-
pseudotachylite (2)
-
-
phyllites (2)
-
quartzites (2)
-
schists
-
blueschist (11)
-
glaucophane schist (1)
-
greenschist (2)
-
greenstone (6)
-
-
-
ophiolite (29)
-
turbidite (22)
-
-
minerals
-
alloys
-
awaruite (1)
-
electrum (1)
-
-
amosite (1)
-
arsenates
-
scorodite (2)
-
-
arsenides
-
maucherite (1)
-
-
carbonates
-
aragonite (3)
-
calcite (5)
-
dolomite (2)
-
ikaite (1)
-
magnesite (1)
-
siderite (2)
-
-
hydrates (1)
-
minerals (50)
-
native elements
-
graphite (1)
-
-
organic minerals
-
amber (1)
-
-
oxalates
-
weddellite (1)
-
whewellite (1)
-
-
oxides
-
aluminum oxides (4)
-
chrome spinel (1)
-
chromite (6)
-
ferrihydrite (1)
-
gibbsite (1)
-
goethite (1)
-
hematite (1)
-
ilmenite (3)
-
iron oxides (2)
-
limonite (1)
-
magnesium oxides (1)
-
magnetite (9)
-
pseudobrookite (2)
-
spinel (2)
-
tantalates
-
microlite (1)
-
-
titanium oxides (2)
-
titanomagnetite (2)
-
valentinite (1)
-
-
phosphates
-
apatite (9)
-
autunite (1)
-
monazite (1)
-
-
platinum minerals (1)
-
silicates
-
aluminosilicates (1)
-
asbestos (2)
-
chain silicates
-
aenigmatite group
-
aenigmatite (1)
-
-
amphibole group
-
clinoamphibole
-
actinolite (1)
-
cummingtonite (1)
-
hornblende (9)
-
tremolite (2)
-
-
-
jade (1)
-
prehnite (2)
-
pyroxene group
-
clinopyroxene
-
augite (2)
-
-
orthopyroxene
-
enstatite (1)
-
ferrosilite (1)
-
-
-
-
chlorophaeite (1)
-
framework silicates
-
feldspar group
-
alkali feldspar
-
K-feldspar (2)
-
microperthite (1)
-
orthoclase (2)
-
sanidine (2)
-
-
plagioclase
-
albite (2)
-
anorthite (1)
-
labradorite (2)
-
-
-
scapolite group (2)
-
silica minerals
-
chalcedony (1)
-
cristobalite (3)
-
opal
-
opal-CT (2)
-
-
quartz (5)
-
tridymite (3)
-
-
zeolite group
-
analcime (2)
-
clinoptilolite (2)
-
erionite (1)
-
ferrierite (1)
-
garronite (1)
-
heulandite (2)
-
laumontite (3)
-
mesolite (3)
-
mordenite (1)
-
natrolite (2)
-
offretite (1)
-
scolecite (1)
-
stilbite (1)
-
wairakite (1)
-
-
-
garnierite (1)
-
hyalite (1)
-
orthosilicates
-
nesosilicates
-
garnet group
-
grossular (1)
-
hydrogarnet
-
hydrogrossular (1)
-
-
-
olivine group
-
fayalite (2)
-
forsterite (2)
-
laihunite (1)
-
olivine (16)
-
-
titanite group
-
titanite (2)
-
-
zircon group
-
zircon (70)
-
-
-
sorosilicates
-
axinite group (1)
-
chevkinite group
-
chevkinite (1)
-
-
epidote group
-
allanite (1)
-
epidote (1)
-
-
lawsonite (2)
-
pumpellyite group
-
pumpellyite (1)
-
-
vesuvianite (1)
-
-
-
ring silicates
-
milarite group
-
osumilite (5)
-
-
-
sheet silicates
-
apophyllite (1)
-
chlorite group
-
chlorite (7)
-
kammererite (1)
-
-
clay minerals
-
halloysite (1)
-
imogolite (1)
-
kaolinite (2)
-
montmorillonite (2)
-
nontronite (3)
-
saponite (1)
-
smectite (9)
-
vermiculite (1)
-
-
corrensite (1)
-
illite (3)
-
magadiite (2)
-
mica group
-
biotite (7)
-
muscovite (3)
-
phengite (1)
-
phlogopite (1)
-
-
rectorite (3)
-
serpentine group
-
chrysotile (1)
-
lizardite (1)
-
serpentine (2)
-
-
talc (1)
-
-
-
sulfates
-
alunite (2)
-
barite (1)
-
jarosite (1)
-
-
sulfides
-
bismuthinite (1)
-
bornite (1)
-
chalcopyrite (4)
-
cubanite (1)
-
galena (3)
-
heazlewoodite (1)
-
jordisite (1)
-
marcasite (1)
-
molybdenite (1)
-
nickel sulfides (1)
-
orpiment (1)
-
pentlandite (2)
-
pyrite (4)
-
pyrrhotite (1)
-
sphalerite (2)
-
wurtzite (1)
-
-
sulfosalts
-
sulfantimonites
-
boulangerite (1)
-
-
-
-
Primary terms
-
absolute age (201)
-
academic institutions (1)
-
Africa
-
East Africa
-
Ethiopia (1)
-
Tanzania
-
Oldoinyo Lengai (1)
-
-
-
Madagascar (2)
-
North Africa
-
Algeria (1)
-
-
Southern Africa
-
Karoo Basin (1)
-
South Africa
-
Bushveld Complex (2)
-
Transvaal region (1)
-
-
-
West Africa
-
Cameroon
-
-
-
-