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all geography including DSDP/ODP Sites and Legs
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Africa
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Afar (1)
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Central Africa
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Angola (1)
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Pajarito Plateau (1)
-
Picuris Range (4)
-
Quay County New Mexico (1)
-
Rio Arriba County New Mexico
-
Ghost Ranch (1)
-
-
San Juan County New Mexico (6)
-
San Miguel County New Mexico (2)
-
Sandoval County New Mexico (2)
-
Santa Fe County New Mexico
-
Santa Fe New Mexico (1)
-
-
Sierra County New Mexico
-
Truth or Consequences New Mexico (1)
-
-
Socorro County New Mexico
-
Socorro New Mexico (1)
-
-
Taos County New Mexico
-
Questa Caldera (2)
-
-
Taos Plateau (2)
-
Tucumcari Basin (1)
-
Tularosa Basin (1)
-
Tusas Mountains (2)
-
Union County New Mexico (2)
-
Valencia County New Mexico (1)
-
Valles Caldera (3)
-
Zuni Mountains (2)
-
-
New York
-
Adirondack Mountains (5)
-
Clinton County New York (4)
-
Dutchess County New York (2)
-
Essex County New York (2)
-
Franklin County New York (1)
-
Hamilton County New York (1)
-
Herkimer County New York (1)
-
Saint Lawrence County New York (2)
-
Saratoga County New York (1)
-
Ulster County New York (1)
-
Warren County New York (1)
-
Washington County New York (4)
-
-
North Carolina
-
Onslow County North Carolina (1)
-
-
North Dakota
-
Burleigh County North Dakota (1)
-
Emmons County North Dakota (1)
-
McKenzie County North Dakota (1)
-
Morton County North Dakota (2)
-
Slope County North Dakota (1)
-
-
Ohio
-
Ashland County Ohio (1)
-
Lucas County Ohio (2)
-
Medina County Ohio (1)
-
Summit County Ohio (1)
-
Wayne County Ohio (1)
-
-
Ohio River (1)
-
Oklahoma
-
Arbuckle Anticline (1)
-
Arbuckle Mountains (2)
-
Beaver County Oklahoma (1)
-
Blaine County Oklahoma (1)
-
Canadian County Oklahoma (1)
-
Carter County Oklahoma (1)
-
Cimarron County Oklahoma (1)
-
Comanche County Oklahoma (2)
-
Criner Hills (1)
-
Garfield County Oklahoma (1)
-
Garvin County Oklahoma (1)
-
Grady County Oklahoma (1)
-
Johnston County Oklahoma (1)
-
Kingfisher County Oklahoma (1)
-
Latimer County Oklahoma (1)
-
Love County Oklahoma (1)
-
McClain County Oklahoma (1)
-
Meers Fault (2)
-
Murray County Oklahoma (3)
-
Oklahoma Panhandle (1)
-
Okmulgee County Oklahoma (1)
-
Pontotoc County Oklahoma (3)
-
Pottawatomie County Oklahoma (1)
-
Stephens County Oklahoma (1)
-
Washington County Oklahoma (1)
-
Wichita Mountains (1)
-
Wichita Uplift (1)
-
-
Oregon
-
Baker County Oregon (2)
-
Clatsop County Oregon (1)
-
Deschutes County Oregon (1)
-
Gilliam County Oregon (1)
-
Grant County Oregon (1)
-
Harney County Oregon
-
Steens Mountain (1)
-
-
Hood River County Oregon (1)
-
Josephine County Oregon (1)
-
Klamath County Oregon
-
Mount Mazama (1)
-
-
Lake County Oregon (2)
-
Malheur County Oregon (1)
-
Marion County Oregon (1)
-
Morrow County Oregon (1)
-
Umatilla County Oregon (1)
-
Union County Oregon (1)
-
Wallowa County Oregon (1)
-
Wallowa Mountains (1)
-
-
Orogrande Basin (2)
-
Ouachita Belt (4)
-
Ouachita Mountains (2)
-
Ozark Mountains (2)
-
Palo Duro Basin (1)
-
Paradox Basin (39)
-
Pecos River (1)
-
Pecos River valley (1)
-
Pennsylvania
-
Allegheny County Pennsylvania
-
Pittsburgh Pennsylvania (1)
-
-
Blair County Pennsylvania (2)
-
Bradford County Pennsylvania (2)
-
Centre County Pennsylvania (1)
-
Clinton County Pennsylvania (1)
-
Huntingdon County Pennsylvania (1)
-
Lycoming County Pennsylvania (1)
-
Northumberland County Pennsylvania (1)
-
Sullivan County Pennsylvania (1)
-
Susquehanna County Pennsylvania (1)
-
Tioga County Pennsylvania (2)
-
Union County Pennsylvania (1)
-
Wayne County Pennsylvania (1)
-
Wyoming County Pennsylvania (1)
-
-
Pilot Range (3)
-
Powder River basin (21)
-
Rhode Island (1)
-
Sevier orogenic belt (51)
-
South Carolina
-
Charleston County South Carolina
-
Charleston South Carolina (2)
-
-
Chesterfield County South Carolina (1)
-
Georgetown County South Carolina (1)
-
Horry County South Carolina (2)
-
-
South Dakota
-
Badlands National Park (1)
-
Butte County South Dakota (1)
-
Clay County South Dakota (1)
-
Corson County South Dakota (1)
-
Custer County South Dakota (2)
-
Fall River County South Dakota (1)
-
Lawrence County South Dakota (1)
-
Pennington County South Dakota (2)
-
Union County South Dakota (1)
-
Yankton County South Dakota (1)
-
Ziebach County South Dakota (1)
-
-
Southern Oklahoma Aulacogen (2)
-
Southern U.S. (2)
-
Southwestern U.S. (37)
-
Tennessee
-
Claiborne County Tennessee (1)
-
Cocke County Tennessee (1)
-
Dyer County Tennessee (1)
-
Grainger County Tennessee (1)
-
Knox County Tennessee (1)
-
Shelby County Tennessee
-
Memphis Tennessee (3)
-
-
-
Tennessee River (1)
-
Texas
-
Amarillo Uplift (2)
-
Balcones fault zone (4)
-
Borden County Texas (2)
-
Brewster County Texas
-
Big Bend National Park (9)
-
Terlingua Texas (1)
-
-
Burnet County Texas (2)
-
Clay County Texas (1)
-
Comal County Texas (1)
-
Concho County Texas (1)
-
Culberson County Texas (2)
-
Dallas County Texas
-
Dallas Texas (1)
-
-
Dawson County Texas (1)
-
East Texas (3)
-
East Texas Basin (1)
-
Edwards Plateau (1)
-
Foard County Texas (1)
-
Fort Worth Basin (9)
-
Gillespie County Texas (1)
-
Glasscock County Texas (2)
-
Hood County Texas (1)
-
Howard County Texas (1)
-
Hudspeth County Texas (1)
-
Johnson County Texas (1)
-
Kerr County Texas (1)
-
Kinney County Texas (1)
-
Llano County Texas (1)
-
Llano Uplift (3)
-
Lubbock County Texas
-
Lubbock Lake (1)
-
Lubbock Texas (2)
-
-
Lynn County Texas (1)
-
Madison County Texas (1)
-
Marathon Geosyncline (1)
-
Martin County Texas (1)
-
Mason County Texas (1)
-
McCulloch County Texas (1)
-
McLennan County Texas
-
Waco Texas (1)
-
-
Midland Basin (8)
-
Midland County Texas (1)
-
Nacogdoches County Texas (1)
-
Nueces County Texas (1)
-
Pecos County Texas (1)
-
Reagan County Texas (1)
-
Reeves County Texas (1)
-
Runnels County Texas (1)
-
San Marcos Arch (1)
-
San Patricio County Texas (1)
-
Somervell County Texas (1)
-
Tarrant County Texas
-
Fort Worth Texas (1)
-
-
Terrell County Texas (1)
-
Terry County Texas (1)
-
Travis County Texas
-
Austin Texas (1)
-
-
Uvalde County Texas (1)
-
Val Verde County Texas (1)
-
Ward County Texas (1)
-
West Texas (24)
-
Wheeler County Texas (1)
-
Winkler County Texas (1)
-
Wise County Texas (1)
-
Zavala County Texas (1)
-
-
U. S. Rocky Mountains
-
Absaroka Range (2)
-
Bighorn Mountains (7)
-
Bitterroot Range
-
Beaverhead Mountains (2)
-
-
Bridger Range (4)
-
Flint Creek Range (1)
-
Laramie Mountains (4)
-
Little Belt Mountains (1)
-
Medicine Bow Mountains (2)
-
Owl Creek Mountains (5)
-
San Juan Mountains (9)
-
Sangre de Cristo Mountains (12)
-
Sawatch Range (5)
-
Spanish Peaks (1)
-
Tobacco Root Mountains (2)
-
Uinta Mountains (26)
-
Wasatch Range (12)
-
Wet Mountains (4)
-
Wind River Range (6)
-
-
Uinta Basin (51)
-
Uncompahgre Uplift (23)
-
Utah
-
Arches National Park (1)
-
Beaver County Utah (3)
-
Bingham mining district (3)
-
Box Elder County Utah (9)
-
Cache County Utah (5)
-
Canyonlands National Park (7)
-
Carbon County Utah (8)
-
Daggett County Utah (4)
-
Davis County Utah (2)
-
Drum Mountains (3)
-
Duchesne County Utah (9)
-
Emery County Utah (19)
-
Garfield County Utah (12)
-
Grand County Utah
-
Moab Utah (5)
-
-
Grand Staircase-Escalante National Monument (3)
-
Great Salt Lake (2)
-
Henry Mountains (7)
-
Hill Air Force Base (2)
-
Iron County Utah (2)
-
Juab County Utah (10)
-
Kaiparowits Plateau (10)
-
Kane County Utah (11)
-
Millard County Utah
-
House Range (4)
-
-
Morgan County Utah (4)
-
Oquirrh Mountains (5)
-
Rich County Utah (4)
-
Salt Lake County Utah
-
Bingham Utah (2)
-
Salt Lake City Utah (7)
-
-
San Juan County Utah (12)
-
San Rafael Swell (6)
-
Sanpete County Utah (2)
-
Sevier County Utah (4)
-
Sevier Desert (4)
-
Summit County Utah
-
Park City Utah (1)
-
-
Thomas Range (2)
-
Tooele County Utah (9)
-
Uintah County Utah (14)
-
Utah County Utah
-
Provo Utah (3)
-
-
Wah Wah Mountains (3)
-
Wasatch Plateau (11)
-
Washington County Utah (6)
-
Wayne County Utah (9)
-
Weber County Utah (2)
-
Zion National Park (1)
-
-
Vermont
-
Addison County Vermont (1)
-
Chittenden County Vermont (1)
-
-
Virgin River valley (1)
-
Virginia
-
Isle of Wight County Virginia (1)
-
Louisa County Virginia (3)
-
Stafford County Virginia (1)
-
Surry County Virginia (1)
-
Tazewell County Virginia (1)
-
-
Wabash Valley (1)
-
Walker Lane (17)
-
Wasatch fault zone (15)
-
Wasatch Front (7)
-
Washakie Basin (11)
-
Washington
-
Ferry County Washington (2)
-
Grays Harbor County Washington (1)
-
Hanford Site (1)
-
Jefferson County Washington (1)
-
Mount Rainier National Park (1)
-
Olympic Mountains (1)
-
Olympic Peninsula (4)
-
Pacific County Washington
-
Willapa Bay (1)
-
-
Pend Oreille County Washington (1)
-
Pierce County Washington
-
Mount Rainier (2)
-
-
Puget Sound (1)
-
Stevens County Washington (2)
-
Whatcom County Washington (1)
-
Yakima County Washington (1)
-
-
West Virginia
-
Logan County West Virginia (1)
-
McDowell County West Virginia (1)
-
Mercer County West Virginia (1)
-
Mingo County West Virginia (1)
-
Raleigh County West Virginia (1)
-
Wayne County West Virginia (1)
-
Wyoming County West Virginia (1)
-
-
Western U.S. (104)
-
Wiggins Arch (1)
-
Wisconsin
-
Columbia County Wisconsin (1)
-
Crawford County Wisconsin (1)
-
Dane County Wisconsin (1)
-
Dodge County Wisconsin (1)
-
Door County Wisconsin (1)
-
Grant County Wisconsin (1)
-
Marathon County Wisconsin (1)
-
-
Wyoming
-
Albany County Wyoming (1)
-
Big Horn County Wyoming (11)
-
Campbell County Wyoming (1)
-
Carbon County Wyoming
-
Shirley Basin (1)
-
-
Converse County Wyoming (2)
-
Crook County Wyoming (2)
-
Fremont County Wyoming (11)
-
Great Divide Basin (3)
-
Hanna Basin (16)
-
Heart Mountain Fault (2)
-
Hot Springs County Wyoming (2)
-
Johnson County Wyoming (8)
-
Laramie Basin (3)
-
Lincoln County Wyoming (7)
-
Natrona County Wyoming (6)
-
Niobrara County Wyoming (2)
-
Owl Creek Mountains (5)
-
Park County Wyoming (5)
-
Rock Springs Uplift (8)
-
Sheridan County Wyoming (2)
-
Sublette County Wyoming (5)
-
Sweetwater County Wyoming
-
Rock Springs Wyoming (2)
-
-
Teapot Dome (1)
-
Teton County Wyoming
-
Grand Teton National Park (1)
-
Jackson Hole (2)
-
-
Uinta County Wyoming (2)
-
Washakie County Wyoming (6)
-
Weston County Wyoming (2)
-
Wind River Range (6)
-
-
Wyoming Province (11)
-
Yakima fold belt (1)
-
Yavapai Province (8)
-
Yellowstone National Park (9)
-
Yellowstone River (1)
-
-
USSR (2)
-
Victoria Island (1)
-
Victoria Valley (1)
-
Walnut Creek (1)
-
Wellington Fault (1)
-
West Pacific Ocean Islands
-
Kermadec Islands (1)
-
Loyalty Islands (1)
-
-
Western Desert (4)
-
Western Hemisphere (1)
-
White Island (2)
-
White Mountain (1)
-
White Mountains (1)
-
White River (1)
-
White Sands (1)
-
Willow Creek (1)
-
Wind River (2)
-
Wind River basin (18)
-
Yuba River (3)
-
Yucatan Peninsula (1)
-
-
commodities
-
aggregate (1)
-
barite deposits (3)
-
bitumens
-
asphalt (7)
-
-
brines (24)
-
ceramic materials (1)
-
clay deposits (1)
-
coal deposits (11)
-
construction materials
-
building stone (1)
-
-
corundum deposits (1)
-
diamond deposits (1)
-
energy sources (44)
-
evaporite deposits (2)
-
feldspar deposits (1)
-
fluorspar deposits (1)
-
gems (11)
-
geothermal energy (12)
-
heavy mineral deposits (1)
-
industrial minerals (1)
-
marble deposits (1)
-
metal ores
-
aluminum ores (1)
-
arsenic ores (2)
-
base metals (11)
-
beryllium ores (5)
-
bismuth ores (1)
-
cobalt ores (4)
-
copper ores (103)
-
gold ores (123)
-
IOCG deposits (1)
-
iron ores (8)
-
lead ores (25)
-
lead-zinc deposits (20)
-
lithium ores (5)
-
manganese ores (1)
-
mercury ores (2)
-
molybdenum ores (55)
-
nickel ores (5)
-
palladium ores (3)
-
platinum ores (5)
-
polymetallic ores (11)
-
rare earth deposits (5)
-
rhenium ores (1)
-
silver ores (32)
-
strontium ores (1)
-
tin ores (4)
-
titanium ores (1)
-
tungsten ores (3)
-
uranium ores (19)
-
vanadium ores (5)
-
zinc ores (29)
-
-
mineral deposits, genesis (174)
-
mineral exploration (66)
-
mineral resources (5)
-
nonmetal deposits (2)
-
oil and gas fields (117)
-
petroleum
-
natural gas
-
coalbed methane (9)
-
shale gas (15)
-
-
shale oil (10)
-
-
phosphate deposits (2)
-
placers
-
stream placers (1)
-
-
potash (1)
-
ruby (1)
-
salt deposits (1)
-
sandstone deposits (1)
-
sodium carbonate (3)
-
strategic minerals (2)
-
tight sands (20)
-
water resources (7)
-
-
elements, isotopes
-
boron
-
B-11/B-10 (3)
-
-
carbon
-
C-13 (1)
-
C-13/C-12 (137)
-
C-14 (51)
-
organic carbon (20)
-
-
chemical elements (2)
-
chemical ratios (11)
-
halogens
-
bromine (1)
-
chlorine
-
chloride ion (2)
-
Cl-36 (4)
-
Cl-37/Cl-35 (1)
-
-
fluorine (8)
-
iodine (1)
-
-
hydrogen
-
D/H (32)
-
deuterium (3)
-
tritium (3)
-
-
incompatible elements (2)
-
isotope ratios (307)
-
isotopes
-
radioactive isotopes
-
Al-26 (10)
-
Ar-40/Ar-39 (2)
-
Be-10 (26)
-
Be-10/Be-9 (2)
-
C-14 (51)
-
Cl-36 (4)
-
Cs-137 (1)
-
Hf-182 (1)
-
Pb-204 (1)
-
Pb-206/Pb-204 (25)
-
Pb-207/Pb-204 (21)
-
Pb-208/Pb-204 (17)
-
Rb-87/Sr-86 (3)
-
Re-187/Os-188 (1)
-
Sm-147/Nd-144 (3)
-
Sr-90 (1)
-
Th-232 (1)
-
tritium (3)
-
U-235 (1)
-
U-238 (1)
-
U-238/U-234 (1)
-
-
stable isotopes
-
Ar-40 (1)
-
Ar-40/Ar-36 (1)
-
Ar-40/Ar-39 (2)
-
B-11/B-10 (3)
-
Be-10/Be-9 (2)
-
C-13 (1)
-
C-13/C-12 (137)
-
Cl-37/Cl-35 (1)
-
D/H (32)
-
deuterium (3)
-
Fe-56/Fe-54 (1)
-
He-3 (5)
-
He-4/He-3 (5)
-
Hf-177/Hf-176 (20)
-
Kr-84 (1)
-
Li-6 (1)
-
Li-7 (1)
-
N-15/N-14 (2)
-
Nd-144/Nd-143 (38)
-
Ne-20 (1)
-
O-18 (1)
-
O-18/O-16 (155)
-
Os-188/Os-187 (3)
-
Pb-206 (1)
-
Pb-206/Pb-204 (25)
-
Pb-207 (1)
-
Pb-207/Pb-204 (21)
-
Pb-207/Pb-206 (6)
-
Pb-208 (1)
-
Pb-208/Pb-204 (17)
-
Pb-208/Pb-206 (2)
-
Rb-87/Sr-86 (3)
-
Re-187/Os-188 (1)
-
S-33 (1)
-
S-34/S-32 (48)
-
Sm-147/Nd-144 (3)
-
Sr-87/Sr-86 (87)
-
Xe-129 (1)
-
-
-
large-ion lithophile elements (1)
-
Lu/Hf (14)
-
metals
-
actinides
-
thorium
-
Th-232 (1)
-
-
uranium
-
U-235 (1)
-
U-238 (1)
-
U-238/U-234 (1)
-
-
-
alkali metals
-
cesium
-
Cs-137 (1)
-
-
lithium
-
Li-6 (1)
-
Li-7 (1)
-
-
potassium (6)
-
rubidium
-
Rb-87/Sr-86 (3)
-
-
sodium (1)
-
-
alkaline earth metals
-
barium (2)
-
beryllium
-
Be-10 (26)
-
Be-10/Be-9 (2)
-
-
calcium
-
Sr/Ca (1)
-
-
magnesium (8)
-
strontium
-
Rb-87/Sr-86 (3)
-
Sr/Ca (1)
-
Sr-87/Sr-86 (87)
-
Sr-90 (1)
-
-
-
aluminum
-
Al-26 (10)
-
-
arsenic (8)
-
cadmium (1)
-
chromium (6)
-
cobalt (1)
-
copper (8)
-
gallium (2)
-
germanium (2)
-
gold (8)
-
hafnium
-
Hf-177/Hf-176 (20)
-
Hf-182 (1)
-
-
indium (1)
-
iron
-
Fe-56/Fe-54 (1)
-
ferric iron (1)
-
ferrous iron (2)
-
-
lead
-
Pb-204 (1)
-
Pb-206 (1)
-
Pb-206/Pb-204 (25)
-
Pb-207 (1)
-
Pb-207/Pb-204 (21)
-
Pb-207/Pb-206 (6)
-
Pb-208 (1)
-
Pb-208/Pb-204 (17)
-
Pb-208/Pb-206 (2)
-
-
manganese (4)
-
mercury (3)
-
molybdenum (2)
-
nickel (2)
-
niobium (3)
-
platinum group
-
iridium (1)
-
osmium
-
Os-188/Os-187 (3)
-
Re-187/Os-188 (1)
-
-
palladium ores (3)
-
platinum (1)
-
platinum ores (5)
-
-
precious metals (11)
-
rare earths
-
cerium (5)
-
europium (3)
-
lutetium (2)
-
neodymium
-
Nd-144/Nd-143 (38)
-
Sm-147/Nd-144 (3)
-
-
samarium
-
Sm-147/Nd-144 (3)
-
-
scandium (1)
-
yttrium (7)
-
-
rhenium
-
Re-187/Os-188 (1)
-
-
silver (3)
-
tantalum (1)
-
titanium (5)
-
vanadium (5)
-
zinc (2)
-
-
nitrogen
-
N-15/N-14 (2)
-
-
noble gases
-
argon
-
Ar-40 (1)
-
Ar-40/Ar-36 (1)
-
Ar-40/Ar-39 (2)
-
-
helium
-
He-3 (5)
-
He-4/He-3 (5)
-
-
krypton
-
Kr-84 (1)
-
-
neon
-
Ne-20 (1)
-
-
radon (2)
-
xenon
-
Xe-129 (1)
-
-
-
oxygen
-
dissolved oxygen (1)
-
O-18 (1)
-
O-18/O-16 (155)
-
-
phosphorus (4)
-
selenium (4)
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silicon (2)
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sulfur
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S-33 (1)
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S-34/S-32 (48)
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tellurium (1)
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trace metals (5)
-
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fossils
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Archaea (1)
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bacteria (4)
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borings (13)
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burrows (39)
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Chordata
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Vertebrata
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-
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Pisces
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Acanthodii (1)
-
Chondrichthyes
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Elasmobranchii
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Euselachii (1)
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Holocephali (1)
-
-
Osteichthyes
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Actinopterygii
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Teleostei (2)
-
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Sarcopterygii
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Dipnoi (2)
-
-
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Placodermi (3)
-
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Tetrapoda
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Amniota (1)
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Amphibia
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Labyrinthodontia
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Temnospondyli (2)
-
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Lissamphibia
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Anura (6)
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Caudata
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Urodela (3)
-
-
-
-
Aves
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Neornithes
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Neognathae
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Charadriiformes (1)
-
-
-
-
Mammalia
-
Multituberculata (7)
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Theria
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Eutheria
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Amblypoda
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Pantodonta (1)
-
-
Artiodactyla
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Ruminantia
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Bovidae
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Bison (1)
-
-
-
-
Carnivora (1)
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Cetacea (1)
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Condylarthra (3)
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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
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Equus (1)
-
-
-
-
Primates
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Hominidae (2)
-
-
Proboscidea
-
Elephantoidea
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Elephantidae
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Mammuthus
-
Mammuthus columbi (1)
-
-
-
-
Mastodontoidea (1)
-
-
Rodentia
-
Myomorpha
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Cricetidae
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Neotoma (1)
-
-
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Sciuromorpha
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Sciuridae (2)
-
-
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Taeniodonta (1)
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Tillodontia (1)
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Ungulata (1)
-
-
Metatheria
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Marsupialia
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Polyprotodontia
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Didelphidae (1)
-
-
-
-
-
-
Reptilia
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Anapsida
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Testudines
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Chelonia (2)
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Cryptodira (5)
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Emydidae (1)
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Testudinidae (1)
-
-
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Diapsida
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Archosauria
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Crocodilia
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Eusuchia (2)
-
-
dinosaurs
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Ornithischia
-
Ankylosauria (4)
-
Ceratopsia
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Ceratopsidae
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Triceratops (1)
-
-
-
Ornithopoda
-
Hadrosauridae (14)
-
-
-
Saurischia
-
Sauropodomorpha
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Sauropoda
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Camarasaurus (2)
-
Diplodocidae
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Apatosaurus (1)
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Diplodocus (1)
-
-
Titanosauridae (1)
-
-
-
Theropoda
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Carnosauria
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Allosaurus (1)
-
-
Coelurosauria
-
Dromaeosauridae (3)
-
Tyrannosauridae (6)
-
-
-
-
-
Pterosauria (1)
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Thecodontia
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Aetosauria (1)
-
-
-
Ichthyosauria (3)
-
Lepidosauria
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Rhynchocephalia (1)
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Squamata (2)
-
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Sauropterygia
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Plesiosauria (4)
-
-
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Synapsida
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Therapsida
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Cynodontia (1)
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Dicynodontia (1)
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-
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Testudinata (1)
-
-
-
-
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Cloudina (2)
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coprolites (7)
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cyanobacteria (4)
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eukaryotes (5)
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fungi (1)
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Graptolithina
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Graptoloidea
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Didymograptina
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Didymograptus (1)
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Isograptus (1)
-
-
-
-
Hemichordata (7)
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ichnofossils
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Arenicolites (2)
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Chondrites ichnofossils (3)
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Cruziana (4)
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Diplocraterion (1)
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Eubrontes (2)
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Glossifungites (2)
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Grallator (2)
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Nereites (3)
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Ophiomorpha
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Ophiomorpha nodosa (1)
-
-
Palaeophycus (4)
-
Planolites (8)
-
Rusophycus (3)
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Skolithos (6)
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Teichichnus (1)
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Thalassinoides (8)
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Trypanites (5)
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Zoophycos (5)
-
-
Invertebrata
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Arthropoda
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Chelicerata
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Arachnida (1)
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Merostomata
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Eurypterida (2)
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Xiphosura (2)
-
-
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Mandibulata
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Crustacea
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Branchiopoda (2)
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Cirripedia (1)
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Malacostraca (9)
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Ostracoda
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Leperditicopida (2)
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Podocopida
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Cypridocopina
-
Cyprididae
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Candona (1)
-
-
-
Cytherocopina
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Cytheracea
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Cyprideis (1)
-
-
-
-
-
-
Insecta
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Pterygota
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Neoptera
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Endopterygota
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Coleoptera (1)
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Diptera (1)
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Hymenoptera (2)
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Trichoptera (1)
-
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Exopterygota
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Hemiptera (2)
-
-
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Palaeoptera
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Ephemeroptera (1)
-
-
-
-
Myriapoda (2)
-
-
Trilobitomorpha
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Trilobita
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Agnostida (5)
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Corynexochida (1)
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Phacopida (1)
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Ptychopariida
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Asaphidae (1)
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Olenidae (2)
-
-
-
-
-
Brachiopoda
-
Articulata
-
Orthida
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Enteletacea
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Schizophoria (1)
-
-
-
Pentamerida (1)
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Productida (1)
-
Rhynchonellida
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Rhynchonellidae (1)
-
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Spiriferida
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Atrypidae (1)
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Cyrtospirifer (2)
-
Spiriferidina
-
Spiriferidae (1)
-
-
-
Terebratulida (1)
-
-
Inarticulata (3)
-
-
Bryozoa
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Cheilostomata (2)
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Cryptostomata
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Fenestellidae (1)
-
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Cystoporata (1)
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Trepostomata (1)
-
-
Cnidaria
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Anthozoa
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Zoantharia
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Rugosa (3)
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Scleractinia (1)
-
Tabulata
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Favositida
-
Favositidae
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Favosites (1)
-
-
-
-
-
-
Scyphozoa
-
Conulariida (1)
-
-
-
Echinodermata
-
Asterozoa
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Stelleroidea
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Ophiuroidea (1)
-
-
-
Crinozoa
-
Crinoidea
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Inadunata (1)
-
-
Eocrinoidea (2)
-
-
Echinozoa
-
Echinoidea (1)
-
Edrioasteroidea (2)
-
Helicoplacoidea (1)
-
-
Homalozoa
-
Stylophora (1)
-
-
-
Mollusca
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Bivalvia
-
Nuculanidae (1)
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Ostreoidea (1)
-
Palaeoheterodonta
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Unionidae (1)
-
-
Pterioida
-
Pteriina
-
Inocerami
-
Inoceramidae
-
Inoceramus (1)
-
-
-
Pectinacea
-
Halobia (1)
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Monotis (1)
-
-
-
-
-
Cephalopoda
-
Ammonoidea
-
Ammonites (3)
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Baculites (1)
-
Ceratitida (1)
-
Scaphites (1)
-
-
Coleoidea
-
Belemnoidea
-
Belemnitidae (1)
-
-
-
Nautiloidea
-
Nautilus (1)
-
-
-
Gastropoda
-
Naticidae (1)
-
Pteropoda (1)
-
-
Hyolithes (2)
-
Polyplacophora (2)
-
Rostroconchia (2)
-
Scaphopoda (2)
-
Tentaculitida (1)
-
-
Porifera
-
Demospongea (5)
-
Hexactinellida (4)
-
Stromatoporoidea (3)
-
-
Protista
-
Foraminifera
-
Fusulinina
-
Fusulinidae (8)
-
-
Rotaliina
-
Globigerinacea
-
Globigerinidae
-
Globigerina (1)
-
-
Hedbergella (1)
-
-
Nodosariacea
-
Nodosariidae
-
Lenticulina (1)
-
Nodosaria (1)
-
-
-
Orbitoidacea
-
Cibicides (1)
-
-
Rotaliacea
-
Nummulitidae (1)
-
-
-
Textulariina
-
Lituolacea
-
Ammobaculites (1)
-
Lituolidae
-
Haplophragmoides (1)
-
-
Trochammina (1)
-
-
-
-
Radiolaria (8)
-
Thecamoeba (4)
-
-
Vermes
-
Annelida (3)
-
Chaetognatha (1)
-
Polychaeta
-
Serpulidae (3)
-
-
Priapulida (1)
-
-
-
Metazoa (1)
-
microfossils
-
Charophyta
-
Characeae (1)
-
-
Chitinozoa (3)
-
Conodonta
-
Adetognathus (2)
-
Gondolella (1)
-
Hindeodus (1)
-
Idiognathodus (3)
-
Neognathodus (2)
-
Neogondolella (1)
-
Polygnathus (1)
-
Streptognathodus (1)
-
-
Fusulinina
-
Fusulinidae (8)
-
-
Leperditicopida (2)
-
problematic microfossils (9)
-
-
palynomorphs
-
acritarchs (17)
-
Chitinozoa (3)
-
Dinoflagellata (12)
-
miospores
-
pollen (32)
-
-
-
Plantae
-
algae
-
calcareous algae (2)
-
Chlorophyta
-
Charophyta
-
Characeae (1)
-
-
Chlorophyceae
-
Dasycladaceae (3)
-
-
-
Coccolithophoraceae
-
Coccolithus (1)
-
-
diatoms (6)
-
Microcodium (1)
-
nannofossils (8)
-
Rhodophyta (1)
-
-
Pteridophyta
-
Filicopsida
-
Taeniopteris (1)
-
-
Lycopsida (4)
-
Sphenopsida (3)
-
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae
-
Fagus (1)
-
-
Monocotyledoneae (1)
-
-
Gymnospermae
-
Coniferales
-
Araucariaceae (1)
-
Cupressaceae (1)
-
Picea (1)
-
Pinaceae
-
Pinus (2)
-
-
Taxodiaceae (1)
-
Taxodium (1)
-
-
Cordaitales (2)
-
Cycadales (1)
-
Ginkgoales
-
Ginkgo (1)
-
-
Pteridospermae
-
Neuropteris (1)
-
-
-
-
-
problematic fossils
-
problematic microfossils (9)
-
-
prokaryotes (1)
-
Pterobranchia (5)
-
thallophytes (4)
-
tracks (42)
-
trails (1)
-
-
geochronology methods
-
(U-Th)/He (48)
-
Ar/Ar (136)
-
exposure age (20)
-
fission-track dating (32)
-
He/He (2)
-
infrared stimulated luminescence (5)
-
K/Ar (28)
-
Lu/Hf (14)
-
Nd/Nd (2)
-
optical dating (1)
-
optically stimulated luminescence (30)
-
paleomagnetism (74)
-
Pb/Pb (6)
-
Pb/Th (1)
-
racemization (3)
-
Rb/Sr (6)
-
Re/Os (13)
-
Sm/Nd (9)
-
Sr/Sr (3)
-
tephrochronology (14)
-
Th/U (8)
-
thermochronology (56)
-
thermoluminescence (5)
-
tree rings (4)
-
U/Pb (279)
-
U/Th/Pb (1)
-
uranium disequilibrium (9)
-
-
geologic age
-
Cenozoic
-
Blancan (1)
-
Glenns Ferry Formation (1)
-
Koobi Fora Formation (1)
-
lower Cenozoic (2)
-
middle Cenozoic (4)
-
Omo Group (1)
-
Quaternary
-
Holocene
-
lower Holocene (5)
-
Medieval Warm Period (2)
-
Middle Ages (1)
-
middle Holocene (3)
-
Neoglacial (1)
-
upper Holocene (11)
-
-
Mazama Ash (2)
-
Pleistocene
-
Bandelier Tuff (2)
-
Bishop Tuff (1)
-
Blackwater Draw Formation (1)
-
Champlain Sea (1)
-
Illinoian (1)
-
Lake Lahontan (2)
-
Lake Missoula (4)
-
lower Pleistocene
-
Calabrian (1)
-
Gelasian (2)
-
-
middle Pleistocene (3)
-
Peoria Loess (1)
-
upper Pleistocene
-
Sangamonian (1)
-
Weichselian
-
upper Weichselian
-
Younger Dryas (6)
-
-
-
Wisconsinan
-
middle Wisconsinan (1)
-
upper Wisconsinan (3)
-
-
-
-
upper Quaternary
-
Bull Lake Glaciation (1)
-
Pinedale Glaciation (1)
-
-
-
Shungura Formation (1)
-
Siwalik System (2)
-
Tertiary
-
Arikaree Group (1)
-
Asmari Formation (2)
-
Barreiras Formation (1)
-
Calipuy Group (1)
-
Catahoula Formation (2)
-
Challis Volcanics (3)
-
Cypress Hills Formation (1)
-
Florissant Lake Beds (1)
-
lower Tertiary (12)
-
middle Tertiary (2)
-
Muddy Creek Formation (3)
-
Neogene
-
Bidahochi Formation (6)
-
Browns Park Formation (1)
-
Capistrano Formation (1)
-
Furnace Creek Formation (1)
-
Hemphillian (3)
-
Miocene
-
Antelope Shale (1)
-
Aragonian (1)
-
Columbia River Basalt Group (7)
-
Ellensburg Formation (1)
-
Fleming Formation (1)
-
Grande Ronde Basalt (1)
-
Guantao Formation (2)
-
lower Miocene
-
Aquitanian (3)
-
Burdigalian (1)
-
-
middle Miocene
-
Langhian (1)
-
Luisian (1)
-
San Onofre Breccia (1)
-
Serravallian (2)
-
-
Picture Gorge Basalt (1)
-
Surma Group (1)
-
Topopah Spring Member (1)
-
upper Miocene
-
Messinian (4)
-
Mount Messenger Formation (1)
-
Santa Cruz Mudstone (1)
-
Tortonian (1)
-
Turolian (1)
-
-
Vallesian (1)
-
-
Ogallala Formation (4)
-
Pliocene
-
lower Pliocene (8)
-
upper Pliocene (5)
-
Yorktown Formation (1)
-
-
Ringold Formation (1)
-
Salt Lake Formation (2)
-
upper Neogene (2)
-
-
Paleogene
-
Barail Group (1)
-
Claron Formation (1)
-
Dongying Formation (6)
-
Duchesne River Formation (7)
-
Eocene
-
Absaroka Supergroup (1)
-
Bridger Formation (2)
-
Bridgerian (3)
-
Colton Formation (3)
-
Dammam Formation (1)
-
Green River Formation (44)
-
Lake Gosiute (6)
-
Lake Uinta (6)
-
lower Eocene
-
Wasatchian (4)
-
Willwood Formation (6)
-
Wind River Formation (2)
-
Ypresian (1)
-
-
middle Eocene
-
Aycross Formation (1)
-
Claiborne Group (2)
-
Laney Shale Member (4)
-
Lutetian (1)
-
Tallahatta Formation (1)
-
Tyee Formation (1)
-
-
Nanjemoy Formation (1)
-
Parachute Creek Member (3)
-
Uintan (1)
-
Umpqua Formation (1)
-
upper Eocene
-
Chadronian (2)
-
Priabonian (1)
-
Uinta Formation (3)
-
-
Wilkins Peak Member (3)
-
-
Flagstaff Formation (1)
-
Hanna Formation (6)
-
Imo Shale (1)
-
Kapuni Group (1)
-
lower Paleogene (10)
-
Oligocene
-
Frio Formation (2)
-
lower Oligocene
-
Rupelian (2)
-
-
middle Oligocene (1)
-
upper Oligocene
-
Chattian (2)
-
-
Vicksburg Group (2)
-
-
Paleocene
-
Lebo Member (1)
-
lower Paleocene
-
Danian (4)
-
K-T boundary (12)
-
Puercan (5)
-
Torrejonian (5)
-
-
middle Paleocene (2)
-
Nacimiento Formation (4)
-
Ravenscrag Formation (2)
-
Tongue River Member (1)
-
Tullock Member (3)
-
upper Paleocene
-
Clarkforkian (1)
-
Tiffanian (6)
-
-
-
Paleocene-Eocene Thermal Maximum (6)
-
Renova Formation (4)
-
upper Paleogene (1)
-
Wasatch Formation (17)
-
White River Group (3)
-
Wilcox Group (5)
-
-
Shahejie Formation (8)
-
upper Tertiary (1)
-
-
Tulare Formation (1)
-
upper Cenozoic
-
Karewa Group (1)
-
-
Wildcat Group (1)
-
Yakataga Formation (1)
-
-
Dalradian (3)
-
Lake Bonneville (13)
-
Laurentide ice sheet (1)
-
Mesozoic
-
Cretaceous
-
Bahariya Formation (1)
-
Blairmore Group (1)
-
Bulldog Shale (1)
-
Colorado Group (4)
-
Comanchean
-
Buda Limestone (2)
-
Edwards Formation (2)
-
Georgetown Formation (1)
-
Glen Rose Formation (4)
-
Travis Peak Formation (4)
-
-
Dakota Formation (8)
-
Graneros Shale (2)
-
Kuskokwim Group (1)
-
Lower Cretaceous
-
Agrio Formation (2)
-
Albian
-
lower Albian (1)
-
upper Albian (5)
-
-
Aptian
-
lower Aptian (2)
-
Shuaiba Formation (3)
-
-
Barremian (8)
-
Bear River Formation (2)
-
Berriasian (5)
-
Blackleaf Formation (1)
-
Bluesky Formation (2)
-
Burro Canyon Formation (8)
-
Cadomin Formation (4)
-
Cedar Mountain Formation (9)
-
Clearwater Formation (6)
-
Cloverly Formation (3)
-
Crato Formation (1)
-
Edwards Formation (2)
-
Fall River Formation (1)
-
Georgetown Formation (1)
-
Gething Formation (3)
-
Glen Rose Formation (4)
-
Hauterivian (3)
-
Lagoa Feia Formation (1)
-
Lakota Formation (2)
-
Mannville Group (9)
-
McMurray Formation (17)
-
Mesa Rica Sandstone (1)
-
Mowry Shale (10)
-
Muddy Sandstone (6)
-
Newcastle Sandstone (1)
-
Skull Creek Shale (3)
-
Speeton Clay (1)
-
Spirit River Formation (4)
-
Travis Peak Formation (4)
-
Urgonian (1)
-
Valanginian (2)
-
Zubair Formation (2)
-
-
Lower Greensand (1)
-
Mancos Shale (27)
-
Middle Cretaceous
-
Winton Formation (3)
-
-
Natih Formation (2)
-
Nenjiang Formation (2)
-
Potomac Group (2)
-
Qingshankou Formation (2)
-
Quantou Formation (1)
-
Upper Cretaceous
-
Almond Formation (1)
-
Bagh Beds (1)
-
Bearpaw Formation (2)
-
Belle Fourche Shale (5)
-
Belly River Formation (4)
-
Blackhawk Formation (13)
-
Bridge Creek Limestone Member (3)
-
Buda Limestone (2)
-
Campanian
-
Cerro del Pueblo Formation (1)
-
Dinosaur Park Formation (5)
-
lower Campanian (5)
-
upper Campanian (8)
-
-
Cardium Formation (5)
-
Carlile Shale (5)
-
Castlegate Sandstone (10)
-
Cenomanian
-
Dunvegan Formation (10)
-
lower Cenomanian (3)
-
upper Cenomanian (6)
-
-
Cody Shale (3)
-
Coniacian
-
lower Coniacian (1)
-
-
Crevasse Canyon Formation (1)
-
Demopolis Chalk (1)
-
Djadokhta Formation (1)
-
Elkhorn Mountains Volcanics (1)
-
Eutaw Formation (2)
-
Ferron Sandstone Member (24)
-
Fort Hays Limestone Member (2)
-
Fox Hills Formation (5)
-
Frontier Formation (18)
-
Fruitland Formation (4)
-
Gallup Sandstone (5)
-
Gammon Ferruginous Member (1)
-
Greenhorn Limestone (8)
-
Gulfian
-
Aguja Formation (4)
-
Austin Chalk (2)
-
Eagle Ford Formation (3)
-
Olmos Formation (1)
-
Prairie Bluff Chalk (1)
-
Woodbine Formation (1)
-
-
Hell Creek Formation (10)
-
Hornbrook Formation (3)
-
Horseshoe Canyon Formation (7)
-
Izumi Group (1)
-
Javelina Formation (4)
-
Judith River Formation (3)
-
Kaiparowits Formation (1)
-
Kirtland Shale (1)
-
K-T boundary (12)
-
Lance Formation (5)
-
Laramie Formation (2)
-
Lewis Shale (5)
-
Maestrichtian
-
lower Maestrichtian (3)
-
upper Maestrichtian (7)
-
-
Maevarano Formation (2)
-
Marilia Formation (2)
-
Mesaverde Group (23)
-
Middendorf Formation (1)
-
Milk River Formation (3)
-
Mooreville Chalk (2)
-
Moreno Formation (1)
-
Navesink Formation (2)
-
Neuquen Group (2)
-
Niobrara Formation (9)
-
Ojo Alamo Sandstone (2)
-
Oldman Formation (4)
-
Pakawau Group (1)
-
Pictured Cliffs Sandstone (2)
-
Pierre Shale (10)
-
Point Lookout Sandstone (2)
-
Prince Creek Formation (4)
-
Ripley Formation (2)
-
Rock Springs Formation (2)
-
Santonian (12)
-
Schrader Bluff Formation (1)
-
Senonian (38)
-
Shannon Sandstone Member (2)
-
Sharon Springs Member (1)
-
Star Point Sandstone (3)
-
Straight Cliffs Formation (7)
-
Sussex Sandstone Member (1)
-
Tropic Shale (3)
-
Tununk Member (4)
-
Tuolumne Intrusive Suite (1)
-
Turonian
-
lower Turonian (3)
-
middle Turonian (3)
-
upper Turonian (2)
-
-
Tuscaloosa Formation (1)
-
Two Medicine Formation (5)
-
Wahweap Formation (3)
-
Wall Creek Member (2)
-
Williams Fork Formation (7)
-
-
Viking Formation (5)
-
Whitemud Formation (1)
-
Yezo Group (1)
-
-
Franciscan Complex (5)
-
Glen Canyon Group (4)
-
Great Valley Sequence (5)
-
Jurassic
-
Arapien Shale (1)
-
Aztec Sandstone (1)
-
Birkhead Formation (1)
-
Carmel Formation (7)
-
Clarens Formation (1)
-
Fernie Formation (3)
-
Ferrar Group (1)
-
Kingak Shale (1)
-
Ladner Group (1)
-
Lower Jurassic
-
Hettangian (2)
-
Laberge Group (2)
-
lower Liassic (1)
-
middle Liassic (1)
-
Nordegg Member (1)
-
Pliensbachian (2)
-
Sinemurian (2)
-
Sunrise Formation (1)
-
Toarcian (3)
-
Triassic-Jurassic boundary (2)
-
-
Middle Jurassic
-
Bajocian
-
Brent Group (1)
-
Ness Formation (2)
-
Tarbert Formation (1)
-
-
Bathonian (8)
-
Callovian (5)
-
Page Sandstone (1)
-
Summerville Formation (2)
-
Todilto Formation (1)
-
Walloon Coal Measures (1)
-
-
Norphlet Formation (2)
-
Opalinus Clay (1)
-
Oxford Clay (2)
-
San Rafael Group (2)
-
Twin Creek Limestone (3)
-
Upper Jurassic
-
Arab Formation (2)
-
Bowser Lake Group (1)
-
Brushy Basin Member (4)
-
Buckner Formation (2)
-
Entrada Sandstone (11)
-
Galice Formation (2)
-
Haynesville Formation (3)
-
Jeanne d'Arc Formation (1)
-
Josephine Ophiolite (1)
-
Kimmeridge Clay (1)
-
Kimmeridgian
-
upper Kimmeridgian (1)
-
-
Morrison Formation (25)
-
Naknek Formation (2)
-
Oxfordian (4)
-
Portlandian (1)
-
Salt Wash Sandstone Member (4)
-
Smackover Formation (5)
-
Sundance Formation (13)
-
Swift Formation (1)
-
Tithonian (6)
-
-
-
Kayenta Formation (8)
-
lower Mesozoic (5)
-
Moenave Formation (4)
-
Murihiku Supergroup (1)
-
Navajo Sandstone (24)
-
Nugget Sandstone (5)
-
Serra Geral Formation (1)
-
Triassic
-
Charlie Lake Formation (2)
-
Hawkesbury Sandstone (3)
-
Liard Formation (1)
-
Lower Triassic
-
Bunter (2)
-
Dinwoody Formation (4)
-
Griesbachian (4)
-
Induan (6)
-
Olenekian (3)
-
Permian-Triassic boundary (13)
-
Scythian (2)
-
Smithian (4)
-
Spathian (4)
-
Thaynes Formation (5)
-
Werfenian (1)
-
-
Middle Triassic
-
Anisian (12)
-
Doig Formation (6)
-
Ladinian (3)
-
Muschelkalk (1)
-
-
Moenkopi Formation (14)
-
Montney Formation (9)
-
Nicola Group (1)
-
Red Peak Formation (3)
-
Sherwood Sandstone (1)
-
Shublik Formation (2)
-
Upper Triassic
-
Baldonnel Formation (3)
-
Carnian
-
Ischigualasto Formation (3)
-
-
Chinle Formation (32)
-
Dockum Group (1)
-
Keuper (2)
-
Norian (12)
-
Pardonet Formation (2)
-
Petrified Forest Member (4)
-
Redonda Formation (2)
-
Rhaetian
-
Penarth Group (1)
-
-
Sag River Sandstone (1)
-
Shinarump Member (5)
-
Stormberg Series (1)
-
Triassic-Jurassic boundary (2)
-
Xujiahe Formation (1)
-
Yanchang Formation (5)
-
-
-
upper Mesozoic
-
Yixian Formation (2)
-
-
Vaca Muerta Formation (3)
-
Wingate Sandstone (6)
-
Yanshanian (4)
-
-
MIS 2 (1)
-
MIS 3 (1)
-
Paleozoic
-
Bird Spring Formation (3)
-
Cambrian
-
Acadian (1)
-
Bonanza King Formation (1)
-
Brigham Group (3)
-
Conasauga Group (2)
-
Lancara Formation (1)
-
Lower Cambrian
-
Atdabanian (1)
-
Gog Group (1)
-
Poleta Formation (2)
-
Rome Formation (1)
-
Tommotian (1)
-
-
Middle Cambrian
-
Bright Angel Shale (1)
-
Burgess Shale (5)
-
Flathead Sandstone (2)
-
Marjum Formation (2)
-
Wheeler Formation (4)
-
-
Semri Series (1)
-
Tapeats Sandstone (1)
-
Upper Cambrian
-
Dresbachian (2)
-
Eau Claire Formation (1)
-
Furongian
-
Jiangshanian (1)
-
Paibian (2)
-
-
Lamotte Sandstone (2)
-
Mount Simon Sandstone (3)
-
Nopah Formation (1)
-
Orr Formation (2)
-
Pilgrim Formation (1)
-
Potsdam Sandstone (4)
-
Steptoean (8)
-
Wilberns Formation (2)
-
-
-
Carboniferous
-
Albert Formation (1)
-
Amsden Formation (2)
-
Bartlesville Sand (1)
-
Diamond Peak Formation (1)
-
Ely Limestone (3)
-
Jackfork Group (1)
-
Lower Carboniferous
-
Dinantian (5)
-
-
Mabou Group (1)
-
Manning Canyon Shale (1)
-
Mississippian
-
Barnett Shale (8)
-
Boone Formation (2)
-
Borden Group (1)
-
Charles Formation (1)
-
Lower Mississippian
-
Cuyahoga Formation (2)
-
Joana Limestone (3)
-
Kinderhookian
-
Banff Formation (4)
-
-
Lake Valley Formation (2)
-
Lodgepole Formation (8)
-
Osagian
-
Burlington Limestone (1)
-
-
Pocono Formation (1)
-
Tournaisian (11)
-
-
Madison Group (18)
-
Middle Mississippian
-
Visean (4)
-
-
Mission Canyon Limestone (3)
-
Price Formation (1)
-
Redwall Limestone (1)
-
Upper Mississippian
-
Chesterian
-
Cypress Sandstone (1)
-
Golconda Formation (1)
-
-
Fayetteville Formation (2)
-
Greenbrier Limestone (1)
-
Hartselle Sandstone (2)
-
Hinton Formation (1)
-
Mauch Chunk Formation (1)
-
Meramecian (3)
-
Serpukhovian (2)
-
-
Windsor Group (2)
-
-
Pennsylvanian
-
Brazil Formation (1)
-
Conemaugh Group (1)
-
Cumberland Group (1)
-
Hermosa Group (1)
-
Joggins Formation (1)
-
Lower Pennsylvanian
-
Bashkirian (2)
-
Morrowan (2)
-
-
Mary Lee Coal (1)
-
Middle Pennsylvanian
-
Allegheny Group (2)
-
Atokan
-
Atoka Formation (1)
-
-
Carbondale Formation (2)
-
Desmoinesian
-
Wewoka Formation (1)
-
-
Kanawha Formation (1)
-
Moscovian (10)
-
Paradox Formation (9)
-
-
Minturn Formation (6)
-
Monongahela Group (1)
-
Pottsville Group (1)
-
Upper Pennsylvanian
-
Canyon Group (1)
-
Gzhelian (5)
-
Kasimovian (4)
-
Missourian
-
Kansas City Group (1)
-
-
Virgilian
-
Douglas Group (1)
-
Shawnee Group (1)
-
Wabaunsee Group (1)
-
-
-
Wapanucka Limestone (1)
-
-
Tesnus Formation (1)
-
Upper Carboniferous (9)
-
-
Catskill Formation (2)
-
Chattanooga Shale (1)
-
Cow Head Group (7)
-
Deadwood Formation (2)
-
Devonian
-
Guilmette Formation (2)
-
Keg River Formation (2)
-
Levis Shale (2)
-
Lower Devonian
-
Emsian (6)
-
Lochkovian (1)
-
Oriskany Sandstone (1)
-
Pragian (4)
-
-
Middle Devonian
-
Cedar Valley Formation (1)
-
Dundee Limestone (1)
-
Eifelian (4)
-
Elk Point Group (1)
-
Givetian
-
upper Givetian (1)
-
-
Mahantango Formation (1)
-
Marcellus Shale (12)
-
Onondaga Limestone (5)
-
Prairie Evaporite (1)
-
-
Old Red Sandstone (3)
-
Popovich Formation (2)
-
Thirtyone Formation (1)
-
Traverse Group (1)
-
Upper Devonian
-
Brallier Shale (1)
-
Famennian
-
upper Famennian (3)
-
Wabamun Group (1)
-
-
Frasnian
-
Leduc Formation (2)
-
-
Huron Member (1)
-
Jefferson Group (3)
-
Nisku Formation (1)
-
Ohio Shale (1)
-
Palliser Formation (2)
-
-
Waterways Formation (2)
-
-
Dunkard Group (1)
-
Earn Group (1)
-
Ellis Bay Formation (1)
-
Exshaw Formation (3)
-
Hanson Creek Formation (1)
-
Helderberg Group (1)
-
Honaker Trail Formation (2)
-
Horton Group (1)
-
Hunton Group (2)
-
Ishbel Group (2)
-
Keyser Limestone (1)
-
Knox Group (2)
-
Lisburne Group (2)
-
lower Paleozoic
-
Cape Phillips Formation (2)
-
-
Madera Formation (1)
-
Maroon Formation (7)
-
middle Paleozoic (3)
-
Minnelusa Formation (1)
-
New Albany Shale (2)
-
Oquirrh Formation (1)
-
Ordovician
-
Antelope Valley Limestone (2)
-
Chickamauga Group (1)
-
Eureka Quartzite (3)
-
Lower Ordovician
-
Arenigian
-
Ballantrae Complex (1)
-
-
Beekmantown Group (3)
-
El Paso Group (1)
-
Ellenburger Group (2)
-
Fillmore Formation (8)
-
Floian (4)
-
Ibexian (8)
-
Manitou Formation (3)
-
Prairie du Chien Group (1)
-
Saint George Group (1)
-
Shakopee Formation (1)
-
Tremadocian (16)
-
-
Martinsburg Formation (2)
-
Middle Ordovician
-
Bromide Formation (1)
-
Champlainian (1)
-
Chazyan (1)
-
Cloridorme Formation (1)
-
Dapingian (2)
-
Darriwilian (12)
-
Millbrig Bentonite Bed (1)
-
Platteville Formation (1)
-
Saint Peter Sandstone (1)
-
Simpson Group (2)
-
Table Head Group (4)
-
Whiterockian (8)
-
-
Montoya Group (2)
-
Pogonip Group (3)
-
Trenton Group (1)
-
Upper Ordovician
-
Ashgillian (1)
-
Bighorn Dolomite (2)
-
Caradocian (4)
-
Cincinnatian
-
Richmondian (1)
-
-
Fish Haven Dolomite (1)
-
Hirnantian (1)
-
Katian (7)
-
Lorraine Group (1)
-
Mohawkian (1)
-
Red River Formation (1)
-
Reedsville Formation (2)
-
Sandbian (3)
-
Wufeng Formation (3)
-
Yeoman Formation (1)
-
-
Utica Shale (1)
-
Valmy Formation (2)
-
Vinini Formation (2)
-
Viola Limestone (1)
-
-
Permian
-
Council Grove Group (1)
-
Cutler Formation (9)
-
Ecca Group (1)
-
Gharif Formation (1)
-
Guadalupian
-
Bell Canyon Formation (1)
-
Brushy Canyon Formation (1)
-
Capitan Formation (1)
-
Capitanian (2)
-
Cherry Canyon Formation (1)
-
Delaware Mountain Group (2)
-
Grayburg Formation (2)
-
Roadian (1)
-
Wordian (3)
-
-
Hennessey Formation (1)
-
Kaibab Formation (6)
-
Khuff Formation (1)
-
Longtan Formation (1)
-
Lower Permian
-
Abo Formation (2)
-
Cherry Canyon Formation (1)
-
Cisuralian
-
Artinskian (3)
-
Asselian (3)
-
Kungurian (3)
-
Sakmarian (1)
-
-
Leman Sandstone Formation (3)
-
Leonardian
-
Bone Spring Limestone (1)
-
-
Wolfcampian
-
Hueco Limestone (2)
-
-
-
Lyons Sandstone (1)
-
Maokou Formation (1)
-
McCloud Limestone (1)
-
Meade Peak Member (4)
-
Middle Permian (4)
-
Park City Formation (7)
-
Phosphoria Formation (12)
-
Ranger Canyon Formation (1)
-
Retort Phosphatic Shale Member (1)
-
Rotliegendes (8)
-
Toroweap Formation (1)
-
Unayzah Formation (1)
-
Upper Permian
-
Changxing Formation (3)
-
Lopingian
-
Changhsingian (2)
-
-
Permian-Triassic boundary (13)
-
Tatarian (1)
-
Zechstein (5)
-
-
Vryheid Formation (1)
-
Whitehill Formation (1)
-
Yates Formation (1)
-
-
Pilot Shale (2)
-
Road River Formation (3)
-
Sauk Sequence (2)
-
Shoo Fly Complex (1)
-
Silurian
-
Lockport Formation (1)
-
Lower Silurian
-
Llandovery (6)
-
Wenlock (1)
-
-
Middle Silurian
-
Roberts Mountains Formation (1)
-
-
Upper Silurian
-
Cayugan
-
Tonoloway Limestone (1)
-
-
Ludlow
-
Ludfordian (1)
-
-
Pridoli (1)
-
-
-
Supai Formation (3)
-
Taiyuan Formation (2)
-
Tensleep Sandstone (4)
-
upper Paleozoic
-
Admire Group (1)
-
Antrim Shale (1)
-
Bakken Formation (9)
-
Fountain Formation (2)
-
Shanxi Formation (3)
-
Wood River Formation (1)
-
-
Weber Sandstone (5)
-
Wells Formation (1)
-
Woodford Shale (9)
-
-
Phanerozoic (25)
-
Precambrian
-
Archean
-
Gilman Formation (2)
-
Mesoarchean (3)
-
Neoarchean (10)
-
Paleoarchean (1)
-
-
Central Rand Group (1)
-
Chuar Group (9)
-
Delhi Supergroup (1)
-
Johnnie Formation (1)
-
Kingston Peak Formation (1)
-
Nonesuch Shale (1)
-
Pahrump Series (3)
-
Prichard Formation (1)
-
Purcell System (2)
-
Stillwater Complex (1)
-
Transvaal Supergroup (1)
-
Uinta Mountain Group (9)
-
upper Precambrian
-
Proterozoic
-
Algonkian
-
Baraboo Quartzite (2)
-
-
Banded Gneissic Complex (1)
-
Bitter Springs Formation (1)
-
Great Oxidation Event (1)
-
Mesoproterozoic
-
Belt Supergroup (10)
-
Bonner Formation (1)
-
Gawler Range Volcanics (1)
-
Helena Formation (1)
-
Newland Limestone (1)
-
Revett Quartzite (1)
-
Roper Group (2)
-
Wallace Formation (1)
-
-
Miette Group (1)
-
Neoproterozoic
-
Cryogenian (4)
-
Dengying Formation (3)
-
Doushantuo Formation (2)
-
Ediacaran (19)
-
Marinoan (2)
-
McCoy Creek Group (1)
-
Sturtian (4)
-
Tonian (6)
-
Torridonian (2)
-
Vendian (9)
-
-
Ortega Group (2)
-
Paleoproterozoic (35)
-
Pocatello Formation (2)
-
Sinian
-
Dengying Formation (3)
-
Doushantuo Formation (2)
-
-
Windermere System (4)
-
-
-
Vadito Group (1)
-
Waterberg System (1)
-
Witwatersrand Supergroup (1)
-
Wyman Formation (1)
-
-
Saxothuringian (1)
-
Vindhyan (2)
-
-
igneous rocks
-
extrusive rocks (1)
-
igneous rocks
-
carbonatites (4)
-
feldspathoid rocks (1)
-
granophyre (1)
-
hypabyssal rocks (2)
-
kimberlite (5)
-
peperite (1)
-
plutonic rocks
-
anorthosite (1)
-
diabase (5)
-
diorites
-
quartz diorites (6)
-
tonalite (8)
-
trondhjemite (1)
-
-
gabbros (10)
-
granites
-
alkali granites (1)
-
aplite (5)
-
A-type granites (5)
-
granite porphyry (7)
-
I-type granites (4)
-
leucogranite (6)
-
microgranite (1)
-
monzogranite (6)
-
rapakivi (2)
-
S-type granites (1)
-
two-mica granite (1)
-
-
granodiorites
-
granodiorite porphyry (1)
-
-
lamproite (3)
-
lamprophyres
-
minette (2)
-
-
monzodiorite (4)
-
monzonites (5)
-
pegmatite (20)
-
quartz monzonite (5)
-
syenites
-
alkali syenites (1)
-
nepheline syenite
-
agpaite (1)
-
miaskite (1)
-
-
shonkinite (1)
-
-
ultramafics
-
peridotites
-
spinel lherzolite (1)
-
-
pyroxenite (3)
-
-
-
porphyry
-
vitrophyre (1)
-
-
volcanic rocks
-
adakites (2)
-
andesites
-
andesite porphyry (1)
-
boninite (1)
-
-
basalts
-
alkali basalts
-
trachybasalts (3)
-
-
flood basalts (10)
-
mid-ocean ridge basalts (7)
-
ocean-island basalts (5)
-
shoshonite (1)
-
tholeiite (2)
-
tholeiitic basalt (2)
-
-
basanite (3)
-
dacites (6)
-
glasses
-
obsidian (2)
-
volcanic glass (7)
-
-
komatiite (2)
-
phonolites (3)
-
pyroclastics
-
ash-flow tuff (10)
-
hyaloclastite (2)
-
ignimbrite (24)
-
pumice (3)
-
rhyolite tuff (1)
-
scoria (1)
-
tuff (47)
-
-
rhyodacites (1)
-
rhyolites (27)
-
trachyandesites (4)
-
trachytes (1)
-
vitrophyre (1)
-
-
-
ophiolite (11)
-
volcanic ash (11)
-
-
metamorphic rocks
-
K-bentonite (2)
-
metamorphic rocks
-
amphibolites (3)
-
cataclasites (7)
-
eclogite (6)
-
gneisses
-
augen gneiss (1)
-
biotite gneiss (1)
-
granite gneiss (2)
-
orthogneiss (7)
-
paragneiss (1)
-
-
granulites (2)
-
hornfels (1)
-
marbles (12)
-
metaigneous rocks
-
metabasalt (1)
-
metadiabase (1)
-
metagranite (1)
-
metatuff (1)
-
serpentinite (1)
-
-
metaplutonic rocks (1)
-
metasedimentary rocks
-
metaconglomerate (2)
-
metapelite (5)
-
paragneiss (1)
-
-
metasomatic rocks
-
fenite (1)
-
greisen (2)
-
serpentinite (1)
-
skarn (19)
-
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metavolcanic rocks (4)
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migmatites
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anatexite (1)
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mylonites
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pseudotachylite (2)
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phyllites (5)
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quartzites (27)
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slates (2)
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ophiolite (11)
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turbidite (24)
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meteorites
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meteorites
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stony meteorites
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achondrites
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Martian meteorites (1)
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chondrites
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ordinary chondrites
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H chondrites
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Tieschitz Meteorite (1)
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-
-
-
-
-
-
minerals
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alloys (1)
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arsenates
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austinite (1)
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conichalcite (1)
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arsenides
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arsenites (2)
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borates
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hydroboracite (1)
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kotoite (1)
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carbonates
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ankerite (4)
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azurite (1)
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bastnaesite (1)
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calcite (39)
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dawsonite (1)
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dolomite (27)
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magnesite (2)
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nesquehonite (1)
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siderite (2)
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smithsonite (1)
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sphaerosiderite (1)
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trona (1)
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chromates (1)
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copper minerals (1)
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halides
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chlorides
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boracite (1)
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halite (6)
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sylvite (1)
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fluorides
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bastnaesite (1)
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clinohumite (2)
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fluorite (5)
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topaz (4)
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triplite (1)
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zinnwaldite (1)
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iodides (1)
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hydrates (1)
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iron minerals (2)
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K-bentonite (2)
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minerals (3)
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molybdates
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powellite (1)
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native elements
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graphite (3)
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organic minerals
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amber (2)
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oxalates
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whewellite (1)
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oxides
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anatase (2)
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baddeleyite (1)
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boehmite (1)
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brannerite (1)
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brucite (1)
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cassiterite (4)
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chrome spinel (1)
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chromite (1)
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chrysoberyl (1)
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corundum (2)
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hydroxides
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iron hydroxides (1)
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ilmenite (4)
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iron oxides (10)
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magnetite (8)
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niobates
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aeschynite (1)
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columbite (3)
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euxenite (1)
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ixiolite (1)
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tapiolite (2)
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periclase (1)
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pseudobrookite (1)
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rutile (5)
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sapphire (2)
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spinel (5)
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spinel group (1)
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tantalates
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euxenite (1)
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ixiolite (1)
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microlite (1)
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tantalite (3)
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wodginite (1)
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titanium oxides (1)
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uraninite (2)
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phosphates
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apatite (59)
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britholite (1)
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crandallite (1)
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fluorapatite (3)
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goyazite (1)
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monazite (13)
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rhabdophane (1)
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turquoise (1)
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silicates
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amphibole group
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clinoamphibole
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hornblende (13)
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magnesioriebeckite (1)
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richterite (1)
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-
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jade (1)
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pyroxene group
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clinopyroxene
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omphacite (5)
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spodumene (1)
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-
-
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framework silicates
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danburite (1)
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feldspar group
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alkali feldspar
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adularia (5)
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anorthoclase (1)
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hyalophane (1)
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K-feldspar (11)
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perthite (1)
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sanidine (21)
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barium feldspar
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hyalophane (1)
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plagioclase
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albite (4)
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anorthite (1)
-
-
-
nepheline group
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nepheline (2)
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scapolite group
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scapolite (2)
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silica minerals
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chalcedony (2)
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opal (3)
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quartz (44)
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sodalite group
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zeolite group
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analcime (4)
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clinoptilolite (1)
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heulandite (1)
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mordenite (2)
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-
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iron silicates (1)
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orthosilicates
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nesosilicates
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britholite group
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britholite (1)
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chondrodite (1)
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clinohumite (2)
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garnet group
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grossular (2)
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humite (1)
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kyanite (1)
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olivine group
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forsterite (1)
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olivine (6)
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phenakite group
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phenakite (1)
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willemite (2)
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-
sillimanite (1)
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titanite group
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titanite (5)
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-
topaz (4)
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zircon group
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coffinite (1)
-
zircon (273)
-
-
-
sorosilicates
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bertrandite (2)
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chevkinite group
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perrierite (1)
-
-
epidote group
-
allanite (3)
-
epidote (1)
-
tanzanite (1)
-
zoisite (2)
-
-
vesuvianite (1)
-
-
-
ring silicates
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aquamarine (1)
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beryl (6)
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emerald (4)
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tourmaline group
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dravite (1)
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elbaite (2)
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foitite (1)
-
schorl (3)
-
-
-
sheet silicates
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cerolite (1)
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chlorite group
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chamosite (1)
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chlorite (12)
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clay minerals
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beidellite (1)
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halloysite (1)
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kaolinite (21)
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montmorillonite (2)
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smectite (22)
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stevensite (3)
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vermiculite (1)
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corrensite (4)
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illite (31)
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mica group
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annite (1)
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biotite (17)
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glauconite (5)
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lepidolite (2)
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muscovite (15)
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phengite (1)
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phlogopite (3)
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zinnwaldite (1)
-
-
pyrophyllite (2)
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rectorite (1)
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sepiolite (3)
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sericite (3)
-
serpentine group
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berthierine (2)
-
-
-
-
sulfates
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alunite (11)
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anhydrite (6)
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barite (7)
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celestine (2)
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gypsum (10)
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jarosite (4)
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mirabilite (1)
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natroalunite (1)
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polyhalite (1)
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voltaite (1)
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sulfides
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arsenopyrite (1)
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bornite (2)
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chalcocite (1)
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chalcopyrite (4)
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cinnabar (1)
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copper sulfides (4)
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galena (2)
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greenockite (1)
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helvite (1)
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iron sulfides (3)
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marcasite (2)
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molybdenite (11)
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orpiment (1)
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pyrite (24)
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realgar (2)
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sphalerite (5)
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stibnite (1)
-
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sulfosalts
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sulfarsenites
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tennantite (2)
-
-
-
tellurides
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hessite (1)
-
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tungstates
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scheelite (1)
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uranium minerals (2)
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vanadates (1)
-
-
Primary terms
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absolute age (505)
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academic institutions (1)
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Africa
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Afar (1)
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Central Africa
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Angola (1)
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East Africa
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Ethiopian Rift (2)
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Kenya
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Kenya Rift valley (2)
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East African Rift (7)
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Madagascar
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North Africa
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Atlas Mountains
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Anti-Atlas (1)
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Egypt
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Libya
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Morocco
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Anti-Atlas (1)
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Rif (2)
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Tunisia (5)
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Kaapvaal Craton (1)
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South Africa
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Antarctica
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Arctic Ocean
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Asia
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Far East
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Burma (3)
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associations (3)
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Austin Chalk (2)
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Eagle Ford Formation (3)
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Olmos Formation (1)
-
Prairie Bluff Chalk (1)
-
Woodbine Formation (1)
-
-
Hell Creek Formation (10)
-
Hornbrook Formation (3)
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Horseshoe Canyon Formation (7)
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Izumi Group (1)
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Javelina Formation (4)
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Judith River Formation (3)
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Kaiparowits Formation (1)
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Kirtland Shale (1)
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K-T boundary (12)
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Lance Formation (5)
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Laramie Formation (2)
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Lewis Shale (5)
-
Maestrichtian
-
lower Maestrichtian (3)
-
upper Maestrichtian (7)
-
-
Maevarano Formation (2)
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Marilia Formation (2)
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Mesaverde Group (23)
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Middendorf Formation (1)
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Milk River Formation (3)
-
Mooreville Chalk (2)
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Moreno Formation (1)
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Navesink Formation (2)
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Neuquen Group (2)
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Niobrara Formation (9)
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Ojo Alamo Sandstone (2)
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Oldman Formation (4)
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Pakawau Group (1)
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Pictured Cliffs Sandstone (2)
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Pierre Shale (10)
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Point Lookout Sandstone (2)
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Prince Creek Formation (4)
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Ripley Formation (2)
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Rock Springs Formation (2)
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Santonian (12)
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Schrader Bluff Formation (1)
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Senonian (38)
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Shannon Sandstone Member (2)
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Sharon Springs Member (1)
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Star Point Sandstone (3)
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Straight Cliffs Formation (7)
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Sussex Sandstone Member (1)
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Tropic Shale (3)
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Tununk Member (4)
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Tuolumne Intrusive Suite (1)
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Turonian
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lower Turonian (3)
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middle Turonian (3)
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upper Turonian (2)
-
-
Tuscaloosa Formation (1)
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Two Medicine Formation (5)
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Wahweap Formation (3)
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Wall Creek Member (2)
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Williams Fork Formation (7)
-
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Viking Formation (5)
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Whitemud Formation (1)
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Yezo Group (1)
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Franciscan Complex (5)
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Glen Canyon Group (4)
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Great Valley Sequence (5)
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Jurassic
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Arapien Shale (1)
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Aztec Sandstone (1)
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Birkhead Formation (1)
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Carmel Formation (7)
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Clarens Formation (1)
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Fernie Formation (3)
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Ferrar Group (1)
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Kingak Shale (1)
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Ladner Group (1)
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Lower Jurassic
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Hettangian (2)
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Laberge Group (2)
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lower Liassic (1)
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middle Liassic (1)
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Nordegg Member (1)
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Pliensbachian (2)
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Sinemurian (2)
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Sunrise Formation (1)
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Toarcian (3)
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Triassic-Jurassic boundary (2)
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Middle Jurassic
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Bajocian
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Brent Group (1)
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Ness Formation (2)
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Tarbert Formation (1)
-
-
Bathonian (8)
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Callovian (5)
-
Page Sandstone (1)
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Summerville Formation (2)
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Todilto Formation (1)
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Walloon Coal Measures (1)
-
-
Norphlet Formation (2)
-
Opalinus Clay (1)
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Oxford Clay (2)
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San Rafael Group (2)
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Twin Creek Limestone (3)
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Upper Jurassic
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Arab Formation (2)
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Bowser Lake Group (1)
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Brushy Basin Member (4)
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Buckner Formation (2)
-
Entrada Sandstone (11)
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Galice Formation (2)
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Haynesville Formation (3)
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Jeanne d'Arc Formation (1)
-
Josephine Ophiolite (1)
-
Kimmeridge Clay (1)
-
Kimmeridgian
-
upper Kimmeridgian (1)
-
-
Morrison Formation (25)
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Naknek Formation (2)
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Oxfordian (4)
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Portlandian (1)
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Salt Wash Sandstone Member (4)
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Smackover Formation (5)
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Sundance Formation (13)
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Swift Formation (1)
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Tithonian (6)
-
-
-
Kayenta Formation (8)
-
lower Mesozoic (5)
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Moenave Formation (4)
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Murihiku Supergroup (1)
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Navajo Sandstone (24)
-
Nugget Sandstone (5)
-
Serra Geral Formation (1)
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Triassic
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Charlie Lake Formation (2)
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Hawkesbury Sandstone (3)
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Liard Formation (1)
-
Lower Triassic
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Bunter (2)
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Dinwoody Formation (4)
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Griesbachian (4)
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Induan (6)
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Olenekian (3)
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Permian-Triassic boundary (13)
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Scythian (2)
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Smithian (4)
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Spathian (4)
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Thaynes Formation (5)
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Werfenian (1)
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Middle Triassic
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Anisian (12)
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Doig Formation (6)
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Ladinian (3)
-
Muschelkalk (1)
-
-
Moenkopi Formation (14)
-
Montney Formation (9)
-
Nicola Group (1)
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Red Peak Formation (3)
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Sherwood Sandstone (1)
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Shublik Formation (2)
-
Upper Triassic
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Baldonnel Formation (3)
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Carnian
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Ischigualasto Formation (3)
-
-
Chinle Formation (32)
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Dockum Group (1)
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Keuper (2)
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Norian (12)
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Pardonet Formation (2)
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Petrified Forest Member (4)
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Redonda Formation (2)
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Rhaetian
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Penarth Group (1)
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Sag River Sandstone (1)
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Shinarump Member (5)
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Stormberg Series (1)
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Triassic-Jurassic boundary (2)
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Xujiahe Formation (1)
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Yanchang Formation (5)
-
-
-
upper Mesozoic
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Yixian Formation (2)
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Vaca Muerta Formation (3)
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Wingate Sandstone (6)
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Yanshanian (4)
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metal ores
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metals
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actinides
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thorium
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Th-232 (1)
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uranium
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U-238/U-234 (1)
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alkali metals
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cesium
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Cs-137 (1)
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lithium
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Li-6 (1)
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Li-7 (1)
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potassium (6)
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rubidium
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Rb-87/Sr-86 (3)
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sodium (1)
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alkaline earth metals
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barium (2)
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beryllium
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Be-10 (26)
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Be-10/Be-9 (2)
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calcium
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Sr/Ca (1)
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magnesium (8)
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strontium
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Rb-87/Sr-86 (3)
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Sr/Ca (1)
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Sr-87/Sr-86 (87)
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Sr-90 (1)
-
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aluminum
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Al-26 (10)
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arsenic (8)
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gallium (2)
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hafnium
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Hf-177/Hf-176 (20)
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Hf-182 (1)
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indium (1)
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iron
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Fe-56/Fe-54 (1)
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lead
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manganese (4)
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niobium (3)
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platinum group
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iridium (1)
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osmium
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Os-188/Os-187 (3)
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Re-187/Os-188 (1)
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palladium ores (3)
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precious metals (11)
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rare earths
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cerium (5)
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lutetium (2)
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neodymium
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Nd-144/Nd-143 (38)
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Sm-147/Nd-144 (3)
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samarium
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Sm-147/Nd-144 (3)
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scandium (1)
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yttrium (7)
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rhenium
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Re-187/Os-188 (1)
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silver (3)
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metamorphic rocks
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Mexico
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noble gases
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argon
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Ar-40 (1)
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helium
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He-3 (5)
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krypton
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Kr-84 (1)
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neon
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radon (2)
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Xe-129 (1)
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nodules (1)
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North America
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Appalachian Basin (19)
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Appalachians
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Basin and Range Province
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Rocky Mountains foreland (11)
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Ocean Drilling Program
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Leg 104 (1)
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ocean floors (11)
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Paleozoic
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Bird Spring Formation (3)
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Middle Cambrian
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Carboniferous
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Lower Carboniferous
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Dinantian (5)
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Mississippian
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Lower Mississippian
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Joana Limestone (3)
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Kinderhookian
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Banff Formation (4)
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Lake Valley Formation (2)
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Osagian
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Burlington Limestone (1)
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Pocono Formation (1)
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Tournaisian (11)
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Madison Group (18)
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Middle Mississippian
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Visean (4)
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Mission Canyon Limestone (3)
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Price Formation (1)
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Upper Mississippian
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Chesterian
-
Cypress Sandstone (1)
-
Golconda Formation (1)
-
-
Fayetteville Formation (2)
-
Greenbrier Limestone (1)
-
Hartselle Sandstone (2)
-
Hinton Formation (1)
-
Mauch Chunk Formation (1)
-
Meramecian (3)
-
Serpukhovian (2)
-
-
Windsor Group (2)
-
-
Pennsylvanian
-
Brazil Formation (1)
-
Conemaugh Group (1)
-
Cumberland Group (1)
-
Hermosa Group (1)
-
Joggins Formation (1)
-
Lower Pennsylvanian
-
Bashkirian (2)
-
Morrowan (2)
-
-
Mary Lee Coal (1)
-
Middle Pennsylvanian
-
Allegheny Group (2)
-
Atokan
-
Atoka Formation (1)
-
-
Carbondale Formation (2)
-
Desmoinesian
-
Wewoka Formation (1)
-
-
Kanawha Formation (1)
-
Moscovian (10)
-
Paradox Formation (9)
-
-
Minturn Formation (6)
-
Monongahela Group (1)
-
Pottsville Group (1)
-
Upper Pennsylvanian
-
Canyon Group (1)
-
Gzhelian (5)
-
Kasimovian (4)
-
Missourian
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Kansas City Group (1)
-
-
Virgilian
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Douglas Group (1)
-
Shawnee Group (1)
-
Wabaunsee Group (1)
-
-
-
Wapanucka Limestone (1)
-
-
Tesnus Formation (1)
-
Upper Carboniferous (9)
-
-
Catskill Formation (2)
-
Chattanooga Shale (1)
-
Cow Head Group (7)
-
Deadwood Formation (2)
-
Devonian
-
Guilmette Formation (2)
-
Keg River Formation (2)
-
Levis Shale (2)
-
Lower Devonian
-
Emsian (6)
-
Lochkovian (1)
-
Oriskany Sandstone (1)
-
Pragian (4)
-
-
Middle Devonian
-
Cedar Valley Formation (1)
-
Dundee Limestone (1)
-
Eifelian (4)
-
Elk Point Group (1)
-
Givetian
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upper Givetian (1)
-
-
Mahantango Formation (1)
-
Marcellus Shale (12)
-
Onondaga Limestone (5)
-
Prairie Evaporite (1)
-
-
Old Red Sandstone (3)
-
Popovich Formation (2)
-
Thirtyone Formation (1)
-
Traverse Group (1)
-
Upper Devonian
-
Brallier Shale (1)
-
Famennian
-
upper Famennian (3)
-
Wabamun Group (1)
-
-
Frasnian
-
Leduc Formation (2)
-
-
Huron Member (1)
-
Jefferson Group (3)
-
Nisku Formation (1)
-
Ohio Shale (1)
-
Palliser Formation (2)
-
-
Waterways Formation (2)
-
-
Dunkard Group (1)
-
Earn Group (1)
-
Ellis Bay Formation (1)
-
Exshaw Formation (3)
-
Hanson Creek Formation (1)
-
Helderberg Group (1)
-
Honaker Trail Formation (2)
-
Horton Group (1)
-
Hunton Group (2)
-
Ishbel Group (2)
-
Keyser Limestone (1)
-
Knox Group (2)
-
Lisburne Group (2)
-
lower Paleozoic
-
Cape Phillips Formation (2)
-
-
Madera Formation (1)
-
Maroon Formation (7)
-
middle Paleozoic (3)
-
Minnelusa Formation (1)
-
New Albany Shale (2)
-
Oquirrh Formation (1)
-
Ordovician
-
Antelope Valley Limestone (2)
-
Chickamauga Group (1)
-
Eureka Quartzite (3)
-
Lower Ordovician
-
Arenigian
-
Ballantrae Complex (1)
-
-
Beekmantown Group (3)
-
El Paso Group (1)
-
Ellenburger Group (2)
-
Fillmore Formation (8)
-
Floian (4)
-
Ibexian (8)
-
Manitou Formation (3)
-
Prairie du Chien Group (1)
-
Saint George Group (1)
-
Shakopee Formation (1)
-
Tremadocian (16)
-
-
Martinsburg Formation (2)
-
Middle Ordovician
-
Bromide Formation (1)
-
Champlainian (1)
-
Chazyan (1)
-
Cloridorme Formation (1)
-
Dapingian (2)
-
Darriwilian (12)
-
Millbrig Bentonite Bed (1)
-
Platteville Formation (1)
-
Saint Peter Sandstone (1)
-
Simpson Group (2)
-
Table Head Group (4)
-
Whiterockian (8)
-
-
Montoya Group (2)
-
Pogonip Group (3)
-
Trenton Group (1)
-
Upper Ordovician
-
Ashgillian (1)
-
Bighorn Dolomite (2)
-
Caradocian (4)
-
Cincinnatian
-
Richmondian (1)
-
-
Fish Haven Dolomite (1)
-
Hirnantian (1)
-
Katian (7)
-
Lorraine Group (1)
-
Mohawkian (1)
-
Red River Formation (1)
-
Reedsville Formation (2)
-
Sandbian (3)
-
Wufeng Formation (3)
-
Yeoman Formation (1)
-
-
Utica Shale (1)
-
Valmy Formation (2)
-
Vinini Formation (2)
-
Viola Limestone (1)
-
-
Permian
-
Council Grove Group (1)
-
Cutler Formation (9)
-
Ecca Group (1)
-
Gharif Formation (1)
-
Guadalupian
-
Bell Canyon Formation (1)
-
Brushy Canyon Formation (1)
-
Capitan Formation (1)
-
Capitanian (2)
-
Cherry Canyon Formation (1)
-
Delaware Mountain Group (2)
-
Grayburg Formation (2)
-
Roadian (1)
-
Wordian (3)
-
-
Hennessey Formation (1)
-
Kaibab Formation (6)
-
Khuff Formation (1)
-
Longtan Formation (1)
-
Lower Permian
-
Abo Formation (2)
-
Cherry Canyon Formation (1)
-
Cisuralian
-
Artinskian (3)
-
Asselian (3)
-
Kungurian (3)
-
Sakmarian (1)
-
-
Leman Sandstone Formation (3)
-
Leonardian
-
Bone Spring Limestone (1)
-
-
Wolfcampian
-
Hueco Limestone (2)
-
-
-
Lyons Sandstone (1)
-
Maokou Formation (1)
-
McCloud Limestone (1)
-
Meade Peak Member (4)
-
Middle Permian (4)
-
Park City Formation (7)
-
Phosphoria Formation (12)
-
Ranger Canyon Formation (1)
-
Retort Phosphatic Shale Member (1)
-
Rotliegendes (8)
-
Toroweap Formation (1)
-
Unayzah Formation (1)
-
Upper Permian
-
Changxing Formation (3)
-
Lopingian
-
Changhsingian (2)
-
-
Permian-Triassic boundary (13)
-
Tatarian (1)
-
Zechstein (5)
-
-
Vryheid Formation (1)
-
Whitehill Formation (1)
-
Yates Formation (1)
-
-
Pilot Shale (2)
-
Road River Formation (3)
-
Sauk Sequence (2)
-
Shoo Fly Complex (1)
-
Silurian
-
Lockport Formation (1)
-
Lower Silurian
-
Llandovery (6)
-
Wenlock (1)
-
-
Middle Silurian
-
Roberts Mountains Formation (1)
-
-
Upper Silurian
-
Cayugan
-
Tonoloway Limestone (1)
-
-
Ludlow
-
Ludfordian (1)
-
-
Pridoli (1)
-
-
-
Supai Formation (3)
-
Taiyuan Formation (2)
-
Tensleep Sandstone (4)
-
upper Paleozoic
-
Admire Group (1)
-
Antrim Shale (1)
-
Bakken Formation (9)
-
Fountain Formation (2)
-
Shanxi Formation (3)
-
Wood River Formation (1)
-
-
Weber Sandstone (5)
-
Wells Formation (1)
-
Woodford Shale (9)
-
-
palynology (4)
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palynomorphs
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acritarchs (17)
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Chitinozoa (3)
-
Dinoflagellata (12)
-
miospores
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pollen (32)
-
-
-
paragenesis (65)
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permafrost (1)
-
petroleum
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natural gas
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coalbed methane (9)
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shale gas (15)
-
-
shale oil (10)
-
-
petrology (56)
-
Phanerozoic (25)
-
phase equilibria (16)
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phosphate deposits (2)
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phosphorus (4)
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placers
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stream placers (1)
-
-
Plantae
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algae
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calcareous algae (2)
-
Chlorophyta
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Charophyta
-
Characeae (1)
-
-
Chlorophyceae
-
Dasycladaceae (3)
-
-
-
Coccolithophoraceae
-
Coccolithus (1)
-
-
diatoms (6)
-
Microcodium (1)
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nannofossils (8)
-
Rhodophyta (1)
-
-
Pteridophyta
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Filicopsida
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Taeniopteris (1)
-
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Lycopsida (4)
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Sphenopsida (3)
-
-
Spermatophyta
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Angiospermae
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Dicotyledoneae
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Fagus (1)
-
-
Monocotyledoneae (1)
-
-
Gymnospermae
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Coniferales
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Araucariaceae (1)
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Cupressaceae (1)
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Picea (1)
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Pinaceae
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Pinus (2)
-
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Taxodiaceae (1)
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Taxodium (1)
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Cordaitales (2)
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Cycadales (1)
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Ginkgoales
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Ginkgo (1)
-
-
Pteridospermae
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Neuropteris (1)
-
-
-
-
-
plate tectonics (248)
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pollution (19)
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potash (1)
-
Precambrian
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Archean
-
Gilman Formation (2)
-
Mesoarchean (3)
-
Neoarchean (10)
-
Paleoarchean (1)
-
-
Central Rand Group (1)
-
Chuar Group (9)
-
Delhi Supergroup (1)
-
Johnnie Formation (1)
-
Kingston Peak Formation (1)
-
Nonesuch Shale (1)
-
Pahrump Series (3)
-
Prichard Formation (1)
-
Purcell System (2)
-
Stillwater Complex (1)
-
Transvaal Supergroup (1)
-
Uinta Mountain Group (9)
-
upper Precambrian
-
Proterozoic
-
Algonkian
-
Baraboo Quartzite (2)
-
-
Banded Gneissic Complex (1)
-
Bitter Springs Formation (1)
-
Great Oxidation Event (1)
-
Mesoproterozoic
-
Belt Supergroup (10)
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Bonner Formation (1)
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Gawler Range Volcanics (1)
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Helena Formation (1)
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Newland Limestone (1)
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Revett Quartzite (1)
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Roper Group (2)
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Wallace Formation (1)
-
-
Miette Group (1)
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Neoproterozoic
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Cryogenian (4)
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Dengying Formation (3)
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Doushantuo Formation (2)
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Ediacaran (19)
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Marinoan (2)
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McCoy Creek Group (1)
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Sturtian (4)
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Tonian (6)
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Torridonian (2)
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Vendian (9)
-
-
Ortega Group (2)
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Paleoproterozoic (35)
-
Pocatello Formation (2)
-
Sinian
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Dengying Formation (3)
-
Doushantuo Formation (2)
-
-
Windermere System (4)
-
-
-
Vadito Group (1)
-
Waterberg System (1)
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Witwatersrand Supergroup (1)
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Wyman Formation (1)
-
-
problematic fossils
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problematic microfossils (9)
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Pterobranchia (5)
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reclamation (1)
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Red Sea region (1)
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reefs (18)
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remote sensing (60)
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reservoirs (4)
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roads (2)
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rock mechanics (14)
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salt deposits (1)
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sandstone deposits (1)
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sea water (11)
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sea-floor spreading (7)
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sea-level changes (217)
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sedimentary petrology (68)
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sedimentary rocks
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bauxite (1)
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bone beds (9)
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carbonate rocks
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boundstone
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bafflestone (1)
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chalk (2)
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dolostone (24)
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grainstone (14)
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limestone
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biomicrite (1)
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calcarenite (1)
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coquina (3)
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micrite (6)
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microbialite (10)
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microcrystalline limestone (1)
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packstone (8)
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travertine (6)
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wackestone (12)
-
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chemically precipitated rocks
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chert
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jasperoid (1)
-
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evaporites
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salt (15)
-
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iron formations
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banded iron formations (3)
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ironstone (4)
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phosphate rocks (3)
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silcrete (2)
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siliceous sinter (1)
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tufa (6)
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clastic rocks
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arenite
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litharenite (5)
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quartz arenite (13)
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sublitharenite (4)
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argillite (3)
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arkose (4)
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bentonite (11)
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black shale (26)
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claystone (8)
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conglomerate (74)
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diamictite (7)
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eolianite (7)
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fanglomerate (2)
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graywacke (2)
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marl (20)
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mudstone (134)
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radiolarite (1)
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red beds (26)
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sandstone (405)
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shale (107)
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siltstone (55)
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subarkose (2)
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tillite (2)
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coal
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bituminous coal (2)
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lignite (1)
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gas sands (1)
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gas shale (6)
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oil sands (7)
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oil shale (14)
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sedimentary structures
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bedding plane irregularities
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antidunes (1)
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dune structures (3)
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megaripples (1)
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mudcracks (1)
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ripple marks (17)
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sand ridges (1)
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biogenic structures
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algal structures
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algal mats (2)
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algal mounds (6)
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banks (1)
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bioherms
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mud mounds (1)
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bioturbation (51)
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girvanella (1)
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lebensspuren (27)
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microbial mats (5)
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oncolites (1)
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stromatactis (1)
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stromatolites (13)
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thrombolites (4)
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graded bedding (4)
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planar bedding structures
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bedding (20)
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cross-bedding (36)
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cross-laminations (7)
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cross-stratification (36)
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cyclothems (8)
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flaser bedding (1)
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hummocky cross-stratification (16)
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imbrication (2)
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laminations (28)
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massive bedding (4)
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rhythmic bedding (5)
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rhythmite (5)
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ripple drift-cross laminations (6)
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sand bodies (22)
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varves (1)
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rhizoliths (5)
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secondary structures
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concretions (19)
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stylolites (2)
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seismites (9)
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soft sediment deformation
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clastic dikes (9)
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olistostromes (1)
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sandstone dikes (1)
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slump structures (1)
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turbidity current structures (2)
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sedimentation (254)
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sediments
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alluvium (28)
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dust (5)
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gravel (18)
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loess (6)
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mud (7)
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outwash (2)
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overbank sediments (2)
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pebbles (3)
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sand (32)
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silt (4)
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till (3)
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marine sediments (21)
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peat (8)
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seismology (53)
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selenium (4)
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shorelines (17)
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silicon (2)
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slope stability (11)
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sodium carbonate (3)
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soil mechanics (7)
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soils
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Alfisols (2)
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Alluvial soils (1)
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Brown forest soils (1)
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Desert soils (1)
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laterites (2)
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Mollisols (1)
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South America
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Andes
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Argentina
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Bolivia (4)
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Brazil
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Chile
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Precordillera (9)
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United States
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Alabama
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California
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Alameda County California
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Oakland California (1)
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Contra Costa County California (3)
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Coyote Creek Fault (1)
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Del Norte County California (1)
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El Dorado County California (1)
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Fresno County California
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Fresno California (1)
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Garlock Fault (1)
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Humboldt County California (1)
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Imperial County California
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Inyo County California
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Coso Hot Springs KGRA (1)
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Kern County California
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Kings Canyon National Park (1)
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Los Angeles County California
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Los Angeles California
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Madera County California (1)
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Monterey County California
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San Diego County California
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San Luis Obispo County California
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Santa Barbara County California
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Yosemite National Park (1)
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Canadian River (1)
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Colorado
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Gunnison River (5)
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Kiowa County Colorado (1)
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Moffat County Colorado (4)
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Rangely Anticline (1)
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Rio Blanco County Colorado
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Teller County Colorado
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Florissant Fossil Beds National Monument (2)
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Connecticut
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Eastern U.S.
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Florida
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Georgia
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Hawaii
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Idaho
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Illinois
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Indiana
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Iowa
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Kansas
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Kentucky
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Louisiana
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Maryland
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Massachusetts
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Michigan
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Michigan Upper Peninsula
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Midcontinent (13)
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Minnesota
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Mississippi
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Missouri
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Montana
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Moxa Arch (3)
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Nebraska
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Nevada
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Eureka County Nevada
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New Mexico
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Socorro County New Mexico
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Taos County New Mexico
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New York
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Washington County New York (4)
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North Carolina
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North Dakota
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Ohio
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Oklahoma
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Meers Fault (2)
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Oregon
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Pennsylvania
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Pilot Range (3)
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South Carolina
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South Dakota
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Southern Oklahoma Aulacogen (2)
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Tennessee
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Texas
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Amarillo Uplift (2)
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Balcones fault zone (4)
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West Texas (24)
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
northeastern Utah
PALEOECOLOGY AND TAPHONOMY OF TRACE FOSSILS IN THE EOLIAN UPPER TRIASSIC/LOWER JURASSIC NUGGET SANDSTONE, NORTHEASTERN UTAH Available to Purchase
Structural and tectonic evolution of the Douglas Creek arch, the Douglas Creek fault zone, and environs, northwestern Colorado and northeastern Utah : Implications for petroleum accumulation in the Piceance and Uinta basins Available to Purchase
Response of bankfull flood magnitudes to Holocene climate change, Uinta Mountains, northeastern Utah Available to Purchase
The Neoproterozoic Uinta Mountain Group Revisited: A Synthesis of Recent Work on the Red Pine Shale and Related Undivided Clastic Strata, Northeastern Utah, U.S.A. Available to Purchase
Abstract Our studies of the Neoproterozoic Uinta Mountain Group focus on the Red Pine Shale in the western Uinta Mountains and the undivided clastic strata in the eastern Uinta Mountains, which record deltaic-marine and braided-fluvial to shoreline deposition, respectively. We conclude that the Red Pine Shale postdates the < 770 Ma eastern clastic strata, and the Uinta Mountain Group represents deposition in a rift basin predating the rift episode recorded at ~ 700 Ma in western Laurentia. Measured sections and stratigraphic mapping of the Red Pine Shale show that it is ~ 550-1200 m thick in the western part of the range, thins to < 300 m in the east-central range, and is missing in the eastern range. Measured sections show organic-rich shale interbedded with medium- to coarse-grained sandstone. Sedimentary structures include graded bedding, hummocky cross stratification, parallel to ripple lamination, tabular crossbeds, ripple marks, and slump folds. Fossils include Bavlinella faveolata, filaments, leiosphaerid acritarchs, and, more rarely, vase-shaped microfossils and ornamented acritarchs. Preliminary whole-rock δ 13 Corg analysis of organic-rich shales reveal 13.9%o (PDB) variability (values range from -16.9 to -30.8%o PDB) and TOC values range from 0.07 to 5.9%. Combined data suggest deposition below and near fair-weather wave base in a marine deltaic system, and correlation with the ~ 770 to > 742 Ma Chuar Group, Grand Canyon. The undivided clastic strata of the Uinta Mountain Group, eastern Uinta Mountains, are dominated by trough- and tabular-cross- bedded and massive sandstone showing south-southwestern paleocurrent flow. At least three laterally continuous (kilometer-scale) ~ 50-m-thick intervals of gray-green, organic-bearing shale have been mapped amongst these sandstone intervals and contain ripple marks, mud-crack casts, ripple cross laminae, and gypsum casts and molds. The lowermost shale interval allows subdivision of the clastic strata into three informal units. Fossils from shale in the middle-upper (?) interval of the clastic strata include acritarchs and possible vase-shaped microfossils. Simple sphaeromorphs and carbonaceous filaments have also been found in black to green shale near the base of the section. The clastic strata represent a sandy braid system with possible marine drowning events from the west. In addition to an alluvial-fan setting, the Jesse Ewing Canyon Formation, the basal unit of the UMG below the clastic strata, represents high-energy shoreline and fan-delta deposition.
Neoproterozoic Uinta Mountain Group of northeastern Utah:: Pre-Sturtian geographic, tectonic, and biologic evolution Available to Purchase
Abstract The Neoproterozoic Uinta Mountain Group is undergoing a new phase of stratigraphic and paleontologic research toward understanding the paleoenvironments, paleoecology, correlation across the range and the region, paleogeography, basin type, and tectonic setting. Mapping, measured sections, sedimentology, paleontology, U-Pb geochronology, and C-isotope geochemistry have resulted in the further characterization and genetic understanding of the western and eastern Uinta Mountain Group . The Red Pine Shale in the western Uinta Mountain Group and the undivided clastic strata in the eastern Uinta Mountain Group have been a focus of this research, as they are relatively unstudied. Reevaluation of the other units is also underway. The Red Pine Shale is a thick, organic-rich, fossiliferous unit that represents a restricted environment in a marine deltaic setting. The units below the Red Pine Shale are dominantly sandstone and orthoquartzite, and represent a fluviomarine setting. In the eastern Uinta Mountain Group, the undivided clastic strata are subdivided into three informal units due to a mappable 50–70-m-thick shale interval. These strata represent a braided fluvial system with flow to the southwest interrupted by a transgressing shoreline. Correlation between the eastern and western Uinta Mountain Group strata is not complete, yet distinctive shale units in the west and east may be correlative, and one of the latter has been dated (≤770 Ma). Regional correlation with the 770–742 Ma Chuar Group suggests the Red Pine Shale may also be ca. 740 Ma, and correlation with the undated Big Cottonwood Formation and the Pahrump Group are also likely based upon C-isotope, fossil, and provenance similarities. This field trip will examine these strata and consider the hypothesis of a ca. 770–740 Ma regional seaway, fed by large braided rivers, flooding intracratonic rift basins and recording the first of three phases of rifting prior to the development of the Cordilleran miogeocline .