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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
North Africa
-
Algeria (1)
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
Libya (1)
-
Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
-
-
Asia
-
Central Asia (1)
-
Far East
-
China
-
Henan China (1)
-
Jilin China (1)
-
Liaoning China (1)
-
-
-
Indian Peninsula
-
India (2)
-
-
-
Atlantic Ocean Islands
-
Falkland Islands (1)
-
-
Australasia
-
Australia
-
Victoria Australia (1)
-
-
-
Black Hills (1)
-
Canada
-
Arctic Archipelago (1)
-
Eastern Canada
-
Maritime Provinces
-
Nova Scotia
-
Gays River Deposit (1)
-
-
-
Newfoundland and Labrador
-
Newfoundland (2)
-
-
Ontario
-
Hamilton Ontario (1)
-
-
Quebec
-
Charlevoix (1)
-
-
-
Nunavut
-
Haughton impact structure (1)
-
-
Western Canada
-
Alberta (4)
-
British Columbia (2)
-
Manitoba (4)
-
Northwest Territories (3)
-
Saskatchewan (2)
-
-
-
Caribbean region
-
West Indies
-
Antilles
-
Lesser Antilles
-
Netherlands Antilles (1)
-
-
-
-
-
Central Basin (1)
-
Chesapeake Bay impact structure (1)
-
Chicxulub Crater (1)
-
Commonwealth of Independent States
-
Russian Federation (1)
-
Ukraine
-
Boltyshka Depression (1)
-
-
-
Europe
-
Baltic region
-
Estonia (1)
-
-
Central Europe
-
Czech Republic (1)
-
Germany (6)
-
-
Southern Europe
-
Iberian Peninsula
-
Spain (2)
-
-
-
Ukraine
-
Boltyshka Depression (1)
-
-
Western Europe
-
Ardennes (1)
-
Belgium (3)
-
France
-
Aquitaine Basin (1)
-
Pas-de-Calais France
-
Boulonnais (1)
-
-
Rochechouart Crater (1)
-
-
Scandinavia
-
Norway
-
Ringerike (1)
-
-
-
United Kingdom
-
Great Britain
-
England
-
Lancashire England (1)
-
-
Scotland (1)
-
-
-
-
-
Front Range (1)
-
Gulf of Mexico Basin (1)
-
Illinois River (1)
-
Mexico
-
Coahuila Mexico (1)
-
-
Mohawk Valley (1)
-
North America
-
Appalachian Basin (3)
-
Appalachians
-
Southern Appalachians (1)
-
-
Canadian Shield
-
Churchill Province (1)
-
Grenville Province (1)
-
Superior Province (2)
-
-
Great Lakes
-
Lake Superior (1)
-
-
Great Lakes region (6)
-
Great Plains
-
Northern Great Plains (1)
-
Southern Great Plains (1)
-
-
Gulf Coastal Plain (2)
-
Keweenawan Rift (4)
-
Lake Superior region (1)
-
Michigan Basin (4)
-
Mississippi River basin (2)
-
North American Cordillera (1)
-
North American Craton (2)
-
Rocky Mountains
-
Northern Rocky Mountains (1)
-
U. S. Rocky Mountains
-
Wet Mountains (1)
-
-
-
Saint Elias Mountains (1)
-
Transcontinental Arch (4)
-
Western Interior
-
Western Interior Seaway (8)
-
-
-
Raton Basin (1)
-
Red Mountain (1)
-
San Andreas Fault (1)
-
South America
-
Brazil (1)
-
Falkland Islands (1)
-
-
United States
-
Alabama
-
Etowah County Alabama (1)
-
Madison County Alabama (1)
-
-
Alaska (1)
-
Anadarko Basin (1)
-
Arizona (3)
-
Arkansas (10)
-
Arkoma Basin (2)
-
California
-
Northern California (1)
-
San Bernardino County California (1)
-
Southern California (2)
-
-
Cincinnati Arch (1)
-
Colorado
-
Denver County Colorado
-
Denver Colorado (1)
-
-
Fremont County Colorado (1)
-
Ouray County Colorado (1)
-
Wet Mountains (1)
-
-
Colorado Lineament (1)
-
Denver Basin (1)
-
Eastern U.S.
-
Northeastern U.S. (3)
-
Southeastern U.S. (4)
-
-
Florida
-
Florida Keys
-
Key Largo (1)
-
-
Monroe County Florida
-
Key Largo (1)
-
-
-
Forest City Basin (5)
-
Georgia
-
Catoosa County Georgia (1)
-
Dougherty County Georgia (1)
-
Walker County Georgia (1)
-
-
Idaho
-
Bonneville County Idaho (1)
-
Snake River plain (1)
-
-
Illinois
-
Champaign County Illinois (1)
-
Christian County Illinois (1)
-
Cook County Illinois (2)
-
DeKalb County Illinois (2)
-
DuPage County Illinois (1)
-
Fayette County Illinois (1)
-
Fulton County Illinois (6)
-
Hancock County Illinois (6)
-
Henderson County Illinois (1)
-
Jersey County Illinois (1)
-
Jo Daviess County Illinois (1)
-
Johnson County Illinois (1)
-
Kane County Illinois (1)
-
Knox County Illinois (4)
-
La Salle County Illinois (2)
-
McHenry County Illinois (1)
-
Monroe County Illinois (1)
-
Peoria County Illinois (1)
-
Pike County Illinois (1)
-
Randolph County Illinois (1)
-
Rock Island County Illinois
-
Rock Island Illinois (2)
-
-
Saint Clair County Illinois (1)
-
Saline County Illinois (1)
-
Schuyler County Illinois (3)
-
Stephenson County Illinois (1)
-
Vermilion County Illinois (1)
-
Will County Illinois (1)
-
-
Illinois Basin (15)
-
Indiana
-
Lawrence County Indiana (1)
-
Madison County Indiana (1)
-
Monroe County Indiana (1)
-
Montgomery County Indiana (1)
-
Morgan County Indiana (1)
-
Parke County Indiana (2)
-
Vermillion County Indiana (1)
-
Vigo County Indiana (1)
-
-
Iowa
-
Adair County Iowa (2)
-
Allamakee County Iowa (3)
-
Appanoose County Iowa (1)
-
Audubon County Iowa (1)
-
Benton County Iowa (2)
-
Black Hawk County Iowa (2)
-
Boone County Iowa (1)
-
Bremer County Iowa (1)
-
Buchanan County Iowa (2)
-
Calhoun County Iowa (1)
-
Carroll County Iowa (1)
-
Cedar County Iowa (3)
-
Cerro Gordo County Iowa (3)
-
Cherokee County Iowa (1)
-
Clayton County Iowa (3)
-
Clinton County Iowa (4)
-
Dallas County Iowa (3)
-
Decatur County Iowa (1)
-
Delaware County Iowa (1)
-
Des Moines County Iowa (8)
-
Dickinson County Iowa (1)
-
Fayette County Iowa (3)
-
Floyd County Iowa (7)
-
Fremont County Iowa (1)
-
Howard County Iowa (1)
-
Humboldt County Iowa (3)
-
Jackson County Iowa (2)
-
Johnson County Iowa (8)
-
Jones County Iowa (5)
-
Keokuk County Iowa (12)
-
Lee County Iowa (5)
-
Linn County Iowa (4)
-
Louisa County Iowa (1)
-
Lyon County Iowa (1)
-
Madison County Iowa (4)
-
Mahaska County Iowa (3)
-
Manson impact structure (6)
-
Marion County Iowa (1)
-
Marshall County Iowa (2)
-
Mills County Iowa (2)
-
Muscatine County Iowa (3)
-
Plymouth County Iowa (1)
-
Pocahontas County Iowa (3)
-
Pottawattamie County Iowa (4)
-
Scott County Iowa
-
Davenport Iowa (1)
-
-
Sioux County Iowa (3)
-
Story County Iowa (6)
-
Union County Iowa (1)
-
Van Buren County Iowa (2)
-
Wapello County Iowa (1)
-
Washington County Iowa (3)
-
Webster County Iowa (2)
-
Winneshiek County Iowa (15)
-
Woodbury County Iowa (3)
-
Wright County Iowa (2)
-
-
Kansas
-
Anderson County Kansas (1)
-
Bourbon County Kansas (1)
-
Chautauqua County Kansas (1)
-
Coffey County Kansas (1)
-
Greenwood County Kansas (1)
-
Johnson County Kansas (1)
-
Linn County Kansas (1)
-
Miami County Kansas (1)
-
Shawnee County Kansas (1)
-
Wabaunsee County Kansas (1)
-
Wilson County Kansas (1)
-
-
Kentucky
-
Allen County Kentucky (1)
-
Bath County Kentucky (1)
-
Kentucky River Fault (1)
-
Lincoln County Kentucky (2)
-
Madison County Kentucky (1)
-
-
Louisiana (1)
-
Massachusetts
-
Suffolk County Massachusetts
-
Boston Massachusetts (1)
-
-
-
Michigan (6)
-
Midcontinent (53)
-
Midwest (178)
-
Minnesota
-
Fillmore County Minnesota (8)
-
Goodhue County Minnesota (1)
-
Houston County Minnesota (2)
-
Mower County Minnesota (2)
-
Ramsey County Minnesota
-
Saint Paul Minnesota (1)
-
-
Winona County Minnesota (1)
-
-
Mississippi (2)
-
Mississippi Embayment (5)
-
Mississippi River (4)
-
Mississippi Valley
-
Upper Mississippi Valley (27)
-
-
Missouri
-
Andrew County Missouri (2)
-
Clark County Missouri (1)
-
Cooper County Missouri (3)
-
Howard County Missouri (1)
-
Lewis County Missouri (1)
-
Lincoln County Missouri (1)
-
Saint Louis County Missouri
-
Saint Louis Missouri (2)
-
-
Sainte Genevieve County Missouri (1)
-
Viburnum Trend (1)
-
-
Missouri River (3)
-
Missouri River valley (2)
-
Montana (2)
-
Nebraska
-
Cass County Nebraska (6)
-
Cedar County Nebraska (1)
-
Dakota County Nebraska (2)
-
Dixon County Nebraska (1)
-
Douglas County Nebraska (1)
-
Jefferson County Nebraska (1)
-
Knox County Nebraska (1)
-
Lancaster County Nebraska (2)
-
Sarpy County Nebraska (5)
-
Washington County Nebraska (1)
-
-
Nevada
-
Nye County Nevada (1)
-
-
New England (2)
-
New Hampshire (1)
-
New Madrid region (14)
-
New Mexico (4)
-
New York
-
Monroe County New York (1)
-
Niagara County New York (2)
-
-
North Dakota (1)
-
Ohio
-
Hamilton County Ohio
-
Cincinnati Ohio (1)
-
-
Muskingum County Ohio (1)
-
Perry County Ohio (1)
-
-
Ohio River (1)
-
Ohio River valley (3)
-
Oklahoma
-
Caddo County Oklahoma (1)
-
Grady County Oklahoma (2)
-
Le Flore County Oklahoma (1)
-
Meers Fault (3)
-
Murray County Oklahoma (1)
-
Okfuskee County Oklahoma (1)
-
Pontotoc County Oklahoma (1)
-
-
Oregon (1)
-
Ozark Mountains (1)
-
Pennsylvania (2)
-
Reelfoot Rift (1)
-
South Carolina
-
Charleston County South Carolina
-
Charleston South Carolina (1)
-
-
-
South Dakota
-
Buffalo County South Dakota (1)
-
Davison County South Dakota (1)
-
Gregory County South Dakota (1)
-
Hughes County South Dakota (1)
-
Lake County South Dakota (1)
-
Lyman County South Dakota (1)
-
Union County South Dakota (1)
-
Yankton County South Dakota (1)
-
-
Southern U.S. (4)
-
Southwestern U.S. (1)
-
Tennessee
-
Grundy County Tennessee (1)
-
-
Texas
-
Amarillo Uplift (1)
-
Brown County Texas (1)
-
Burnet County Texas (2)
-
Hartley County Texas (1)
-
Lubbock County Texas
-
Lubbock Texas (1)
-
-
Moore County Texas (1)
-
Potter County Texas (1)
-
Stephens County Texas (1)
-
Wise County Texas (1)
-
-
U. S. Rocky Mountains
-
Wet Mountains (1)
-
-
Utah
-
Cache County Utah (1)
-
-
Vermont (1)
-
Virginia (5)
-
Wabash Valley (3)
-
Washington (1)
-
West Virginia (3)
-
Western U.S. (2)
-
Wisconsin
-
Brown County Wisconsin (1)
-
Crawford County Wisconsin (2)
-
Grant County Wisconsin (7)
-
Kenosha County Wisconsin (1)
-
Lafayette County Wisconsin (5)
-
Milwaukee County Wisconsin (2)
-
Pierce County Wisconsin (1)
-
Racine County Wisconsin (1)
-
Walworth County Wisconsin (1)
-
Waukesha County Wisconsin (1)
-
-
Wyoming
-
Laramie Basin (1)
-
-
Wyoming Province (1)
-
Yavapai Province (1)
-
Yellowstone National Park (1)
-
-
Walnut Creek (4)
-
-
commodities
-
aggregate (2)
-
bentonite deposits (1)
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brines (2)
-
construction materials
-
cement materials (1)
-
-
energy sources (11)
-
industrial minerals (3)
-
limestone deposits (1)
-
metal ores
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base metals (1)
-
copper ores (1)
-
lead ores (5)
-
lead-zinc deposits (8)
-
molybdenum ores (2)
-
polymetallic ores (2)
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tungsten ores (1)
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uranium ores (1)
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vanadium ores (1)
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zinc ores (4)
-
-
mineral deposits, genesis (13)
-
mineral exploration (5)
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oil and gas fields (8)
-
petroleum
-
natural gas (26)
-
-
sandstone deposits (1)
-
water resources (2)
-
-
elements, isotopes
-
boron
-
B-11/B-10 (1)
-
-
carbon
-
C-13 (3)
-
C-13/C-12 (16)
-
C-14 (7)
-
organic carbon (4)
-
-
halogens
-
bromine
-
bromide ion (1)
-
-
-
hydrogen
-
D/H (4)
-
deuterium (3)
-
-
isotope ratios (13)
-
isotopes
-
radioactive isotopes
-
Be-7 (1)
-
C-14 (7)
-
Cs-137 (1)
-
-
stable isotopes
-
B-11/B-10 (1)
-
C-13 (3)
-
C-13/C-12 (16)
-
D/H (4)
-
deuterium (3)
-
Nd-144/Nd-143 (2)
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O-18 (1)
-
O-18/O-16 (12)
-
S-34 (1)
-
S-34/S-32 (5)
-
Sr-87/Sr-86 (2)
-
-
-
metals
-
actinides
-
thorium (1)
-
-
alkali metals
-
cesium
-
Cs-137 (1)
-
-
potassium (1)
-
rubidium (1)
-
sodium (2)
-
-
alkaline earth metals
-
beryllium
-
Be-7 (1)
-
-
calcium (1)
-
magnesium (1)
-
strontium
-
Sr-87/Sr-86 (2)
-
-
-
aluminum (1)
-
chromium (1)
-
cobalt (1)
-
copper (2)
-
gallium (1)
-
hafnium (1)
-
iron (1)
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lead (4)
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mercury (2)
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molybdenum (3)
-
rare earths
-
cerium (1)
-
europium (1)
-
lanthanum (1)
-
lutetium (1)
-
neodymium
-
Nd-144/Nd-143 (2)
-
-
samarium (1)
-
scandium (1)
-
terbium (1)
-
ytterbium (1)
-
-
tantalum (1)
-
zinc (4)
-
-
nitrogen (1)
-
oxygen
-
O-18 (1)
-
O-18/O-16 (12)
-
-
phosphorus (1)
-
selenium (1)
-
sulfur
-
organic sulfur (1)
-
S-34 (1)
-
S-34/S-32 (5)
-
-
-
fossils
-
bacteria (1)
-
borings (2)
-
burrows (2)
-
Chordata
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Vertebrata
-
Pisces
-
Chondrichthyes
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Elasmobranchii (2)
-
-
Placodermi (1)
-
-
Tetrapoda
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Amphibia (2)
-
Mammalia
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Theria
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Eutheria
-
Proboscidea
-
Elephantoidea
-
Elephantidae
-
Mammuthus (1)
-
-
-
-
-
-
-
-
-
-
coprolites (3)
-
Graptolithina
-
Graptoloidea (1)
-
-
Hemichordata (1)
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ichnofossils (6)
-
Invertebrata
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Arthropoda
-
Chelicerata
-
Merostomata
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Eurypterida (2)
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Xiphosura (1)
-
-
-
Mandibulata
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Crustacea
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Malacostraca (1)
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Ostracoda
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Paleocopida (1)
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-
-
Insecta (1)
-
-
Trilobitomorpha
-
Trilobita
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Phacopida (2)
-
Ptychopariida
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Proetidae (1)
-
-
-
-
-
Brachiopoda
-
Articulata
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Pentamerida (1)
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Rhynchonellida (1)
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Spiriferida
-
Atrypidae
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Atrypa (1)
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-
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Strophomenida (1)
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Inarticulata (1)
-
-
Bryozoa
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Cryptostomata (1)
-
-
Cnidaria
-
Anthozoa
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Zoantharia
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Rugosa (5)
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Tabulata
-
Favositida
-
Favositidae
-
Favosites (1)
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-
-
-
-
-
Scyphozoa
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Conulariida (2)
-
-
-
Echinodermata
-
Asterozoa
-
Stelleroidea
-
Asteroidea (2)
-
-
-
Crinozoa
-
Blastoidea (10)
-
Crinoidea
-
Inadunata (2)
-
-
Paracrinoidea (1)
-
-
Echinozoa
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Echinoidea (2)
-
Edrioasteroidea (2)
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Holothuroidea (2)
-
-
-
Mollusca
-
Bivalvia
-
Pterioida
-
Pteriina
-
Inocerami
-
Inoceramidae
-
Inoceramus (1)
-
-
-
-
-
-
Cephalopoda
-
Ammonoidea
-
Goniatitida
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Goniatitidae
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Goniatites (1)
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-
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Coleoidea (1)
-
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Gastropoda
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Archaeogastropoda (1)
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Polyplacophora (2)
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Scaphopoda (1)
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Porifera
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Demospongea
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Chaetetida
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Chaetetidae (1)
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Hexactinellida (1)
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Stromatoporoidea (3)
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Protista
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Foraminifera
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Textulariina (1)
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Radiolaria (1)
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Vermes
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Nematoida (1)
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microfossils
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Charophyta (2)
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Chitinozoa (4)
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Conodonta
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Gnathodus (1)
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Gondolella (4)
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Icriodus (1)
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Idiognathodus (1)
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Neognathodus (2)
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Polygnathus (1)
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Streptognathodus (2)
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problematic microfossils (1)
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palynomorphs
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acritarchs (2)
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Chitinozoa (4)
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megaspores (1)
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miospores
-
pollen (4)
-
-
-
Plantae
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algae
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calcareous algae (1)
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Chlorophyta
-
Charophyta (2)
-
Chlorophyceae
-
Dasycladaceae (1)
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Receptaculitaceae (1)
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-
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nannofossils (1)
-
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Bryophyta (1)
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Pteridophyta
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Filicopsida (1)
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Lycopsida (1)
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Carboniferous
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Tournaisian (1)
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Middle Mississippian
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upper Visean (1)
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Ramp Creek Formation (2)
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Upper Mississippian
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Chesterian
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Meramecian
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Saint Louis Limestone (5)
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Warsaw Formation (9)
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Valmeyeran (2)
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Pennsylvanian
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Excello Shale (1)
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Lower Pennsylvanian
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Caseyville Formation (3)
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Wewoka Formation (1)
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Dugger Formation (1)
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Kanawha Formation (1)
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Tradewater Formation (2)
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Springfield Coal Member (1)
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Upper Pennsylvanian
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Missourian
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Stanton Formation (2)
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Virgilian
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Upper Carboniferous (2)
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Devonian
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Upper Devonian
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Ordovician
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Upper Ordovician
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Fernvale Formation (1)
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Maquoketa Formation (27)
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Trentonian (2)
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Utica Shale (1)
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Permian
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Lower Permian
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Asselian (1)
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Wolfcampian (2)
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Read Bay Formation (2)
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Sauk Sequence (2)
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Silurian
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Lockport Formation (2)
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Lower Silurian
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Llandovery
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Wenlock (4)
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Niagaran (3)
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Proterozoic
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igneous rocks
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illite (2)
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Primary terms
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Cenozoic
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Quaternary
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Pleistocene
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Roxana Silt (2)
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upper Pleistocene
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upper Quaternary
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Brunhes Chron (1)
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Tertiary
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Neogene
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Miocene (1)
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upper Pliocene (1)
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Paleogene
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Eocene
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Absaroka Supergroup (1)
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Paleocene
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K-T boundary (3)
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upper Cenozoic (1)
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Chordata
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Vertebrata
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Brachiopoda
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Scyphozoa
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Conulariida (2)
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Echinodermata
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Mollusca
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Cephalopoda
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Mesozoic
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Kiowa Formation (1)
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Lake Superior region (1)
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Michigan Basin (4)
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Western Interior
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Western Interior Seaway (8)
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oil and gas fields (8)
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oxygen
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O-18/O-16 (12)
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paleontology (129)
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Paleozoic
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Bedford Shale (1)
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Berea Sandstone (1)
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Cambrian
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Upper Cambrian
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Eau Claire Formation (1)
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Galesville Sandstone (1)
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Mount Simon Sandstone (1)
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Steptoean (1)
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Wonewoc Formation (1)
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Carboniferous
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Lower Carboniferous
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Dinantian (4)
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Mississippian
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Borden Group (3)
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Harrodsburg Limestone (3)
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Lower Mississippian
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Chouteau Limestone (1)
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Cuyahoga Formation (1)
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Fort Payne Formation (4)
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Kinderhookian (5)
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Osagian
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Burlington Limestone (27)
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Keokuk Limestone (14)
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Tournaisian (1)
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Middle Mississippian
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Visean
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upper Visean (1)
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Ramp Creek Formation (2)
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Upper Mississippian
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Chesterian
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Golconda Formation (1)
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Meramecian
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Saint Louis Limestone (5)
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Sainte Genevieve Limestone (1)
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Salem Limestone (3)
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Warsaw Formation (9)
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-
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Valmeyeran (2)
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Pennsylvanian
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Excello Shale (1)
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Lower Pennsylvanian
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Caseyville Formation (3)
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Morrowan (3)
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Middle Pennsylvanian
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Atokan (4)
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Carbondale Formation (4)
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Desmoinesian
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Cabaniss Formation (1)
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Cherokee Group (3)
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Marmaton Group (1)
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Wewoka Formation (1)
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Dugger Formation (1)
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Kanawha Formation (1)
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Spoon Formation (1)
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Staunton Formation (2)
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Tradewater Formation (2)
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Springfield Coal Member (1)
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Upper Pennsylvanian
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Canyon Group (1)
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Cisco Group (1)
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Kasimovian (2)
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Missourian
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Kansas City Group (5)
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Lansing Group (4)
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Plattsburg Limestone (1)
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Stanton Formation (2)
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Virgilian
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Douglas Group (2)
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Lawrence Formation (1)
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Plattsmouth Limestone Member (1)
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Shawnee Group (2)
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Wabaunsee Group (1)
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Upper Carboniferous (2)
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Devonian
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Cedar City Formation (1)
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Lower Devonian
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Emsian (1)
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Middle Devonian
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Cedar Valley Formation (8)
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Couvinian (1)
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Eifelian (1)
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Givetian
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upper Givetian (1)
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Hamilton Group (1)
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Jeffersonville Limestone (1)
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Sylvania Formation (1)
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Traverse Group (1)
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Upper Devonian
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Famennian (1)
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Frasnian (8)
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Lime Creek Formation (6)
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Knox Group (1)
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Minnelusa Formation (1)
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Ordovician
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Lower Ordovician
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Oneota Dolomite (1)
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Prairie du Chien Group (1)
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Middle Ordovician
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Blackriverian (1)
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Bromide Formation (2)
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Champlainian (2)
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Darriwilian (1)
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Decorah Shale (12)
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Galena Dolomite (16)
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Glenwood Shale (1)
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Platteville Formation (8)
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Saint Peter Sandstone (7)
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Simpson Group (1)
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Stones River Group (1)
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Whiterockian (1)
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Montoya Group (1)
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Trenton Group (2)
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Upper Ordovician
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Caradocian (2)
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Cincinnatian
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Maysvillian (2)
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Richmondian (2)
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Fernvale Formation (1)
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Maquoketa Formation (27)
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Trentonian (2)
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Utica Shale (1)
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Permian
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Council Grove Group (1)
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Lower Permian
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Cisuralian
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Asselian (1)
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Wolfcampian (2)
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Read Bay Formation (2)
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Sauk Sequence (2)
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Silurian
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Lockport Formation (2)
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Lower Silurian
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Alexandrian (1)
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Brassfield Formation (1)
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Llandovery
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Rhuddanian (1)
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Wenlock (4)
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Middle Silurian
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Clinton Group (1)
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Racine Dolomite (1)
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Waldron Shale (1)
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Niagaran (3)
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Upper Silurian
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Ludlow (1)
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upper Paleozoic
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Admire Group (1)
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palynomorphs
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acritarchs (2)
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Chitinozoa (4)
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megaspores (1)
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miospores
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pollen (4)
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paragenesis (7)
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petroleum
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natural gas (26)
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Phanerozoic (2)
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phase equilibria (2)
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Plantae
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algae
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Chlorophyta
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Charophyta (2)
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Chlorophyceae
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Dasycladaceae (1)
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Receptaculitaceae (1)
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nannofossils (1)
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Bryophyta (1)
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Pteridophyta
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Filicopsida (1)
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Lycopsida (1)
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Sphenopsida (1)
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Spermatophyta
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Gymnospermae
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Cordaitales
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Cordaites (1)
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plate tectonics (4)
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pollution (6)
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Precambrian
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Archean (1)
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Nonesuch Shale (2)
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upper Precambrian
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Proterozoic
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Keweenawan (3)
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Mesoproterozoic (1)
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Oronto Group (3)
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problematic fossils
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problematic microfossils (1)
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reefs (8)
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remote sensing (4)
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roads (3)
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sandstone deposits (1)
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sea water (3)
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sea-level changes (23)
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sedimentary petrology (26)
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sedimentary rocks
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carbonate rocks
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dolostone (8)
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limestone
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micrite (1)
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chemically precipitated rocks
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chert (1)
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clastic rocks
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arenite
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bentonite (3)
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black shale (12)
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red beds (1)
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sandstone (19)
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shale (17)
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coal (10)
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sedimentary structures
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bedding plane irregularities
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biogenic structures
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planar bedding structures
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cross-stratification (1)
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cyclothems (15)
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primary structures (1)
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concretions (5)
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soft sediment deformation
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sedimentation (33)
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sediments
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colluvium (2)
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drift (1)
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kaolin (2)
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loess (10)
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mud (1)
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outwash (1)
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sand (2)
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silt (2)
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till (7)
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peat (1)
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seismology (14)
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selenium (1)
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shorelines (1)
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slope stability (1)
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soil mechanics (1)
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soils
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Alfisols
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Mollisols
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Hapludolls (2)
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South America
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Brazil (1)
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Falkland Islands (1)
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spectroscopy (1)
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standard materials (1)
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strat
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