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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Southern Africa
-
South Africa (1)
-
-
-
Arctic region
-
Greenland
-
East Greenland (1)
-
-
-
Asia
-
Far East
-
China
-
Huang He (1)
-
-
Laos (1)
-
-
Indian Peninsula
-
India (1)
-
-
-
Atlantic Ocean
-
North Atlantic
-
Blake Plateau
-
Blake Nose (1)
-
-
Gulf of Maine (1)
-
-
-
Black Hills (1)
-
Canada
-
Eastern Canada
-
Maritime Provinces
-
Nova Scotia (1)
-
-
-
Western Canada
-
Saskatchewan (6)
-
-
-
Caribbean region (1)
-
Central America
-
Belize (1)
-
-
Columbia River basin (1)
-
Commonwealth of Independent States
-
Russian Federation (2)
-
-
East Pacific Ocean Islands
-
Hawaii
-
Honolulu County Hawaii
-
Oahu (1)
-
-
-
-
Europe
-
Southern Europe
-
Iberian Peninsula
-
Portugal
-
Algarve (1)
-
-
Spain
-
Ebro Basin (1)
-
-
-
Italy (1)
-
-
Western Europe
-
United Kingdom
-
Great Britain
-
England
-
Isle of Wight England (1)
-
Lancashire England (1)
-
-
-
-
-
-
Front Range (3)
-
Mexico
-
Mexico state (1)
-
-
North America
-
Appalachians (3)
-
Canadian Shield
-
Superior Province (1)
-
-
Dakota Aquifer (1)
-
Great Lakes
-
Lake Superior (1)
-
-
Great Plains
-
Northern Great Plains (5)
-
Southern Great Plains (2)
-
-
Gulf Coastal Plain (1)
-
Keweenawan Rift (2)
-
Lake Superior region (1)
-
Michigan Basin (1)
-
Missouri River basin (2)
-
North American Cordillera (1)
-
Pedregosa Basin (1)
-
Rio Grande Depression (1)
-
Rocky Mountains
-
Central Rocky Mountains (1)
-
Northern Rocky Mountains (1)
-
Southern Rocky Mountains (1)
-
U. S. Rocky Mountains
-
Medicine Bow Mountains (1)
-
-
-
Western Interior
-
Western Interior Seaway (7)
-
-
Williston Basin (3)
-
-
Oceania
-
Polynesia
-
Hawaii
-
Honolulu County Hawaii
-
Oahu (1)
-
-
-
-
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific (1)
-
-
North Pacific
-
Northeast Pacific (1)
-
-
-
Platte River (10)
-
Platte River basin (2)
-
Raton Basin (1)
-
Sand Hills (8)
-
Sand Wash Basin (1)
-
Silo Field (1)
-
South America
-
Brazil (1)
-
-
United States
-
Arizona (2)
-
Arkansas (1)
-
Arkansas River valley (1)
-
Atlantic Coastal Plain (1)
-
California (2)
-
Cambridge Arch (5)
-
Chadron Arch (3)
-
Chesapeake Bay (1)
-
Colorado
-
Denver County Colorado
-
Denver Colorado (1)
-
-
Fremont County Colorado
-
Canon City Colorado (1)
-
-
Logan County Colorado (1)
-
Piceance Basin (1)
-
Washington County Colorado (1)
-
Wattenberg Field (1)
-
Yuma County Colorado (3)
-
-
Colorado Lineament (2)
-
Delaware Basin (2)
-
Denver Basin (37)
-
Florida (2)
-
Forest City Basin (3)
-
Hawaii
-
Honolulu County Hawaii
-
Oahu (1)
-
-
-
High Plains Aquifer (4)
-
Idaho (4)
-
Illinois (2)
-
Indiana (1)
-
Iowa
-
Adair County Iowa (1)
-
Calhoun County Iowa (1)
-
Dallas County Iowa (1)
-
Madison County Iowa (1)
-
Manson impact structure (2)
-
Mills County Iowa (1)
-
Plymouth County Iowa (1)
-
Pocahontas County Iowa (1)
-
Pottawattamie County Iowa (2)
-
Webster County Iowa (1)
-
Woodbury County Iowa (2)
-
-
Kansas
-
Chautauqua County Kansas (1)
-
Clark County Kansas (2)
-
Ellis County Kansas (4)
-
Graham County Kansas (1)
-
Greenwood County Kansas (1)
-
Kansas River (1)
-
Logan County Kansas (1)
-
Meade County Kansas (1)
-
Montgomery County Kansas (1)
-
Norton County Kansas (1)
-
Phillips County Kansas (1)
-
Scott County Kansas (1)
-
Shawnee County Kansas (1)
-
Sherman County Kansas (1)
-
Wilson County Kansas (1)
-
-
Louisiana (1)
-
Maine (1)
-
Maryland
-
Calvert County Maryland (1)
-
Charles County Maryland (1)
-
Patuxent River (1)
-
Saint Mary's County Maryland (1)
-
-
Michigan (2)
-
Midcontinent (36)
-
Midwest (14)
-
Minnesota (13)
-
Mississippi (1)
-
Mississippi River (1)
-
Mississippi Valley
-
Upper Mississippi Valley (3)
-
-
Missouri
-
Andrew County Missouri (2)
-
-
Missouri River (5)
-
Missouri River valley (2)
-
Montana
-
Beaverhead County Montana (1)
-
-
Nebraska
-
Antelope County Nebraska (4)
-
Banner County Nebraska (10)
-
Box Butte County Nebraska (4)
-
Boyd County Nebraska (1)
-
Brown County Nebraska (7)
-
Buffalo County Nebraska (1)
-
Cass County Nebraska (7)
-
Cedar County Nebraska (2)
-
Cherry County Nebraska (9)
-
Cheyenne County Nebraska (7)
-
Clay County Nebraska (1)
-
Dakota County Nebraska (2)
-
Dawes County Nebraska (12)
-
Dawson County Nebraska (2)
-
Deuel County Nebraska (1)
-
Dixon County Nebraska (2)
-
Douglas County Nebraska (1)
-
Frontier County Nebraska (2)
-
Garden County Nebraska (10)
-
Garfield County Nebraska (1)
-
Greeley County Nebraska (1)
-
Hall County Nebraska (1)
-
Hamilton County Nebraska (1)
-
Harlan County Nebraska (1)
-
Hitchcock County Nebraska (5)
-
Holt County Nebraska (2)
-
Hooker County Nebraska (1)
-
Jefferson County Nebraska (3)
-
Keith County Nebraska (3)
-
Keya Paha County Nebraska (2)
-
Kimball County Nebraska (7)
-
Knox County Nebraska (10)
-
Lancaster County Nebraska (5)
-
Loup County Nebraska (2)
-
Morrill County Nebraska (11)
-
Perkins County Nebraska (1)
-
Red Willow County Nebraska (4)
-
Richardson County Nebraska (1)
-
Sarpy County Nebraska (6)
-
Saunders County Nebraska (2)
-
Scotts Bluff County Nebraska (4)
-
Sheridan County Nebraska (3)
-
Sioux County Nebraska (24)
-
Thomas County Nebraska (1)
-
Valley County Nebraska (1)
-
Washington County Nebraska (1)
-
Webster County Nebraska (1)
-
-
Nemaha Ridge (3)
-
Nevada (1)
-
New Mexico (10)
-
North Dakota
-
Billings County North Dakota (1)
-
Williams County North Dakota (1)
-
-
Ogallala Aquifer (1)
-
Ohio (2)
-
Oklahoma
-
Garfield County Oklahoma (1)
-
Okfuskee County Oklahoma (1)
-
Osage County Oklahoma (2)
-
-
Oregon
-
Wheeler County Oregon (1)
-
-
Orogrande Basin (1)
-
Ozark Mountains (1)
-
Paradox Basin (1)
-
Pennsylvania
-
Schuylkill County Pennsylvania (1)
-
-
Potomac River (1)
-
Powder River basin (2)
-
Sevier orogenic belt (1)
-
South Dakota
-
Bennett County South Dakota (1)
-
Brule County South Dakota (1)
-
Buffalo County South Dakota (1)
-
Charles Mix County South Dakota (1)
-
Clay County South Dakota (1)
-
Davison County South Dakota (1)
-
Gregory County South Dakota (3)
-
Hughes County South Dakota (1)
-
Lake County South Dakota (1)
-
Lyman County South Dakota (1)
-
Pennington County South Dakota (1)
-
Shannon County South Dakota (3)
-
Todd County South Dakota (1)
-
Tripp County South Dakota (1)
-
Union County South Dakota (2)
-
Yankton County South Dakota (2)
-
-
South Platte River valley (1)
-
Southwestern U.S. (1)
-
Texas
-
Amarillo Uplift (1)
-
Cochran County Texas (1)
-
Crosby County Texas (1)
-
Hemphill County Texas (1)
-
San Jacinto County Texas (2)
-
Stephens County Texas (1)
-
West Texas (1)
-
Wise County Texas (1)
-
-
U. S. Rocky Mountains
-
Medicine Bow Mountains (1)
-
-
Utah (11)
-
Virginia
-
Westmoreland County Virginia (1)
-
-
Washington (2)
-
West Virginia (1)
-
Western U.S. (2)
-
Wisconsin (11)
-
Wyoming
-
Carbon County Wyoming (1)
-
Converse County Wyoming (1)
-
Fremont County Wyoming (3)
-
Goshen County Wyoming (3)
-
Laramie Basin (1)
-
Laramie County Wyoming (3)
-
Natrona County Wyoming (2)
-
Sweetwater County Wyoming (1)
-
Teton County Wyoming (1)
-
-
-
White River (2)
-
-
commodities
-
bitumens (1)
-
brines (1)
-
construction materials
-
building stone (1)
-
-
energy sources (16)
-
metal ores
-
niobium ores (1)
-
rare earth deposits (1)
-
titanium ores (1)
-
-
mineral deposits, genesis (1)
-
mineral exploration (3)
-
oil and gas fields (20)
-
petroleum
-
natural gas (34)
-
shale oil (1)
-
-
water resources (1)
-
-
elements, isotopes
-
carbon
-
C-13/C-12 (12)
-
C-14 (7)
-
organic carbon (1)
-
-
halogens
-
chlorine
-
chloride ion (3)
-
-
fluorine
-
fluoride ion (1)
-
-
-
hydrogen
-
D/H (1)
-
deuterium (1)
-
-
isotope ratios (10)
-
isotopes
-
radioactive isotopes
-
Be-10 (1)
-
C-14 (7)
-
-
stable isotopes
-
C-13/C-12 (12)
-
D/H (1)
-
deuterium (1)
-
Ne-21 (1)
-
O-18/O-16 (6)
-
Sr-87/Sr-86 (1)
-
-
-
metals
-
actinides
-
uranium (1)
-
-
alkali metals
-
sodium (2)
-
-
alkaline earth metals
-
beryllium
-
Be-10 (1)
-
-
strontium
-
Sr-87/Sr-86 (1)
-
-
-
-
noble gases
-
neon
-
Ne-21 (1)
-
-
-
oxygen
-
O-18/O-16 (6)
-
-
-
fossils
-
burrows (7)
-
Chordata
-
Vertebrata
-
Pisces
-
Osteichthyes
-
Actinopterygii
-
Chondrostei
-
Palaeonisciformes (1)
-
-
-
-
-
Tetrapoda
-
Amphibia
-
Lissamphibia (1)
-
-
Aves
-
Neornithes (1)
-
-
Mammalia
-
Theria
-
Eutheria
-
Artiodactyla
-
Ruminantia
-
Tylopoda
-
Camelidae (3)
-
-
-
Suiformes (1)
-
-
Carnivora
-
Fissipeda
-
Canidae (1)
-
Mustelidae (2)
-
-
-
Chiroptera (2)
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Insectivora (1)
-
Lagomorpha (2)
-
Perissodactyla
-
Ceratomorpha
-
Rhinocerotidae
-
Rhinoceros (2)
-
-
-
Hippomorpha
-
Equidae
-
Equus (4)
-
Hipparion (1)
-
-
-
-
Proboscidea
-
Elephantoidea
-
Elephantidae
-
Mammuthus (2)
-
-
-
-
Rodentia
-
Castoridae (3)
-
Myomorpha
-
Cricetidae (1)
-
Eomyidae (2)
-
-
Sciuromorpha
-
Sciuridae (2)
-
-
-
Ungulata (2)
-
-
Metatheria
-
Marsupialia
-
Polyprotodontia
-
Didelphidae (1)
-
-
-
-
-
-
Reptilia
-
Diapsida
-
Archosauria
-
dinosaurs (1)
-
-
Lepidosauria (1)
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-
Synapsida
-
Therapsida
-
Dicynodontia (1)
-
-
-
-
-
-
-
coprolites (3)
-
fossil man (1)
-
Graptolithina (1)
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ichnofossils (7)
-
Invertebrata
-
Arthropoda
-
Chelicerata
-
Merostomata
-
Eurypterida (1)
-
-
-
Mandibulata
-
Crustacea
-
Ostracoda (2)
-
-
-
Trilobitomorpha
-
Trilobita
-
Ptychopariida (1)
-
-
-
-
Brachiopoda (6)
-
Bryozoa (1)
-
Cnidaria
-
Anthozoa (2)
-
-
Echinodermata
-
Crinozoa
-
Crinoidea (3)
-
-
-
Mollusca
-
Cephalopoda
-
Ammonoidea (2)
-
Coleoidea (1)
-
-
Gastropoda (2)
-
-
Protista
-
Foraminifera
-
Fusulinina
-
Fusulinidae
-
Triticites (1)
-
-
-
-
Radiolaria (1)
-
Thecamoeba (1)
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-
-
microfossils
-
Conodonta
-
Gnathodus (1)
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Gondolella (1)
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Idiognathodus (1)
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Streptognathodus (2)
-
-
Fusulinina
-
Fusulinidae
-
Triticites (1)
-
-
-
-
palynomorphs
-
miospores (2)
-
-
Plantae
-
algae
-
Coccolithophoraceae (1)
-
diatoms (2)
-
nannofossils (2)
-
-
Pteridophyta
-
Sphenopsida
-
Equisetales (1)
-
-
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae (1)
-
Monocotyledoneae
-
Cyperaceae (1)
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Gramineae (5)
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-
-
-
-
thallophytes (1)
-
tracks (2)
-
-
geochronology methods
-
Ar/Ar (2)
-
exposure age (1)
-
K/Ar (1)
-
optically stimulated luminescence (4)
-
paleomagnetism (9)
-
Rb/Sr (1)
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U/Pb (5)
-
-
geologic age
-
Cenozoic
-
Blancan (1)
-
middle Cenozoic (1)
-
Quaternary
-
Holocene
-
lower Holocene (1)
-
Medieval Warm Period (1)
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Middle Ages (1)
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upper Holocene (1)
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-
Pleistocene
-
Aftonian (1)
-
Bishop Tuff (1)
-
Illinoian (1)
-
Irvingtonian (1)
-
Loveland Loess (1)
-
lower Pleistocene (1)
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Matuyama Chron (1)
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middle Pleistocene (1)
-
Pearlette Volcanic Ash (1)
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Peoria Loess (3)
-
upper Pleistocene
-
Sangamonian (1)
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Wisconsinan
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upper Wisconsinan (1)
-
-
-
-
upper Quaternary
-
Brunhes Chron (1)
-
-
-
Tertiary
-
Arikaree Group (15)
-
Arikareean (5)
-
Cypress Hills Formation (1)
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lower Tertiary (1)
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middle Tertiary (1)
-
Neogene
-
Hemphillian (5)
-
Miocene
-
Ash Hollow Formation (10)
-
Astoria Formation (1)
-
Barstovian (13)
-
Calvert Formation (1)
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Clarendonian (5)
-
Fleming Formation (2)
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lower Miocene
-
Hemingfordian (6)
-
-
middle Miocene
-
Choptank Formation (1)
-
-
Saint Marys Formation (1)
-
upper Miocene (10)
-
Valentine Formation (11)
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Wood Mountain Formation (1)
-
-
Ogallala Formation (18)
-
Pliocene
-
lower Pliocene (3)
-
upper Pliocene
-
Rexroad Formation (1)
-
-
-
-
Paleogene
-
Chadron Formation (6)
-
Eocene
-
middle Eocene
-
Aycross Formation (1)
-
Bartonian (1)
-
Santee Limestone (1)
-
-
upper Eocene
-
Chadronian (6)
-
-
-
Oligocene
-
Brule Formation (17)
-
Fish Canyon Tuff (1)
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lower Oligocene (9)
-
-
Paleocene
-
lower Paleocene
-
K-T boundary (1)
-
-
-
Renova Formation (1)
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White River Group (14)
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-
-
upper Cenozoic
-
Chesapeake Group (1)
-
-
-
Laurentide ice sheet (2)
-
Mesozoic
-
Cretaceous
-
Dakota Formation (16)
-
Graneros Shale (1)
-
Lower Cretaceous
-
Albian
-
upper Albian (2)
-
-
Cheyenne Sandstone (1)
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Kiowa Formation (2)
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Mowry Shale (1)
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Muddy Sandstone (2)
-
-
Middle Cretaceous (2)
-
Upper Cretaceous
-
Campanian
-
lower Campanian (1)
-
-
Carlile Shale (2)
-
Castlegate Sandstone (1)
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Cenomanian (5)
-
Fort Hays Limestone Member (1)
-
Greenhorn Limestone (1)
-
K-T boundary (1)
-
Niobrara Formation (7)
-
Pierre Shale (9)
-
Senonian (1)
-
Sharon Springs Member (1)
-
Smoky Hill Chalk Member (2)
-
Turonian
-
upper Turonian (1)
-
-
-
-
Jurassic
-
Posidonia Shale (1)
-
-
Kayenta Formation (2)
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (1)
-
-
-
-
Paleozoic
-
Cambrian
-
Upper Cambrian
-
Galesville Sandstone (1)
-
Wonewoc Formation (1)
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-
-
Carboniferous
-
Mississippian
-
Barnett Shale (1)
-
Charles Formation (1)
-
Madison Group (2)
-
Upper Mississippian
-
Chesterian (1)
-
Mauch Chunk Formation (1)
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-
-
Pennsylvanian
-
Hermosa Group (1)
-
Lower Pennsylvanian
-
Morrowan (1)
-
-
Middle Pennsylvanian
-
Atokan (1)
-
Desmoinesian
-
Cherokee Group (1)
-
Wewoka Formation (1)
-
-
-
Upper Pennsylvanian
-
Canyon Group (1)
-
Cisco Group (1)
-
Kasimovian (2)
-
Missourian
-
Kansas City Group (7)
-
Lansing Group (10)
-
Plattsburg Limestone (1)
-
Stanton Formation (3)
-
Wann Formation (1)
-
-
Virgilian
-
Douglas Group (2)
-
Lawrence Formation (1)
-
Lecompton Limestone (1)
-
Plattsmouth Limestone Member (4)
-
Shawnee Group (2)
-
Wabaunsee Group (2)
-
-
-
-
Upper Carboniferous (2)
-
-
Devonian
-
Upper Devonian
-
Famennian (1)
-
Frasnian (1)
-
Lime Creek Formation (1)
-
-
-
lower Paleozoic (1)
-
Minnelusa Formation (3)
-
Ordovician
-
Middle Ordovician
-
Platteville Formation (1)
-
Simpson Group (1)
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-
-
Permian
-
Chase Group (1)
-
Cottonwood Limestone (1)
-
Council Grove Group (3)
-
Eskridge Shale (1)
-
Guadalupian (1)
-
Hughes Creek Shale (1)
-
Lower Permian
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Lyons Sandstone (5)
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Upper Permian
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Permian-Triassic boundary (1)
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Salado Formation (1)
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Sauk Sequence (1)
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igneous rocks
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minerals
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framework silicates
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orthosilicates
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sheet silicates
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Primary terms
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Africa
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upper Quaternary
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Tertiary
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Neogene
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Miocene
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Ash Hollow Formation (10)
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Barstovian (13)
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Clarendonian (5)
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Fleming Formation (2)
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lower Miocene
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Hemingfordian (6)
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middle Miocene
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Choptank Formation (1)
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Saint Marys Formation (1)
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upper Miocene (10)
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Valentine Formation (11)
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Wood Mountain Formation (1)
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Ogallala Formation (18)
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Pliocene
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lower Pliocene (3)
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upper Pliocene
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Rexroad Formation (1)
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-
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Paleogene
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Chadron Formation (6)
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Eocene
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middle Eocene
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Aycross Formation (1)
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Santee Limestone (1)
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upper Eocene
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Chadronian (6)
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Oligocene
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Brule Formation (17)
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Fish Canyon Tuff (1)
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lower Oligocene (9)
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Paleocene
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lower Paleocene
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K-T boundary (1)
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Renova Formation (1)
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White River Group (14)
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upper Cenozoic
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Central America
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Belize (1)
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chemical analysis (2)
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Chordata
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Pisces
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Osteichthyes
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Palaeonisciformes (1)
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Tetrapoda
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Aves
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Mammalia
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Suiformes (1)
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Chiroptera (2)
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Proboscidea
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Rodentia
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Sciuromorpha
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Ungulata (2)
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Metatheria
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Marsupialia
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Polyprotodontia
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Reptilia
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Archosauria
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Synapsida
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Integrated Ocean Drilling Program
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Expeditions 320/321
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Expedition 320
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IODP Site U1333 (1)
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intrusions (2)
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Invertebrata
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Arthropoda
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Chelicerata
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Merostomata
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Mandibulata
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Crustacea
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Ostracoda (2)
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Trilobitomorpha
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Trilobita
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Ptychopariida (1)
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Brachiopoda (6)
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Cnidaria
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Echinodermata
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Crinozoa
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Mollusca
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Cephalopoda
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Protista
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Foraminifera
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Triticites (1)
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Radiolaria (1)
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C-13/C-12 (12)
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O-18/O-16 (6)
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Sr-87/Sr-86 (1)
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lineation (1)
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mantle (1)
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maps (4)
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Mesozoic
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Cretaceous
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Dakota Formation (16)
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Graneros Shale (1)
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Lower Cretaceous
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Albian
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upper Albian (2)
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Cheyenne Sandstone (1)
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Kiowa Formation (2)
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Mowry Shale (1)
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Muddy Sandstone (2)
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Middle Cretaceous (2)
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Upper Cretaceous
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Campanian
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lower Campanian (1)
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Carlile Shale (2)
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Castlegate Sandstone (1)
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Cenomanian (5)
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Fort Hays Limestone Member (1)
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Greenhorn Limestone (1)
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K-T boundary (1)
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Niobrara Formation (7)
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Pierre Shale (9)
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Senonian (1)
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Sharon Springs Member (1)
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Smoky Hill Chalk Member (2)
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Turonian
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upper Turonian (1)
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Jurassic
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Posidonia Shale (1)
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Kayenta Formation (2)
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Triassic
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Lower Triassic
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Permian-Triassic boundary (1)
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metal ores
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Mexico
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Western Interior
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Ocean Drilling Program
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Leg 171B
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ODP Site 1052 (1)
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Oceania
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oil and gas fields (20)
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Pacific Ocean
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Paleozoic
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Cambrian
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Upper Cambrian
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Galesville Sandstone (1)
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Wonewoc Formation (1)
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Carboniferous
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Barnett Shale (1)
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Charles Formation (1)
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Upper Mississippian
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Chesterian (1)
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Pennsylvanian
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Middle Pennsylvanian
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Atokan (1)
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Upper Pennsylvanian
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Missourian
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Wann Formation (1)
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Virgilian
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Douglas Group (2)
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Lawrence Formation (1)
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Lecompton Limestone (1)
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Plattsmouth Limestone Member (4)
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Shawnee Group (2)
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Wabaunsee Group (2)
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Upper Carboniferous (2)
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Devonian
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Upper Devonian
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Famennian (1)
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Frasnian (1)
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Lime Creek Formation (1)
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lower Paleozoic (1)
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Minnelusa Formation (3)
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Ordovician
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Middle Ordovician
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Platteville Formation (1)
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Simpson Group (1)
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-
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Permian
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Chase Group (1)
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Cottonwood Limestone (1)
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Council Grove Group (3)
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Eskridge Shale (1)
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Guadalupian (1)
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Hughes Creek Shale (1)
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Lower Permian
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Cisuralian
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Asselian (1)
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Leonardian (1)
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Wolfcampian (5)
-
-
Lyons Sandstone (5)
-
Middle Permian (1)
-
Phosphoria Formation (1)
-
Rustler Formation (1)
-
Upper Permian
-
Permian-Triassic boundary (1)
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Salado Formation (1)
-
-
-
Sauk Sequence (1)
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Silurian (3)
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upper Paleozoic
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Admire Group (3)
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palynomorphs
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petroleum
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Phanerozoic (2)
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Plantae
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Pteridophyta
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Sphenopsida
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Equisetales (1)
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Spermatophyta
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plate tectonics (1)
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Precambrian
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Nonesuch Shale (1)
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upper Precambrian
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Proterozoic
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reefs (2)
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GeoRef Categories
Era and Period