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all geography including DSDP/ODP Sites and Legs
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Africa
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East Africa
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Tanzania (1)
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Mozambique Belt (1)
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North Africa
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Tunisia
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Southern Africa
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Far East
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Commonwealth of Independent States
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Kyrgyzstan
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Russian Federation
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Central Europe
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Mexico
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Popocatepetl (1)
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Trans-Mexican volcanic belt (1)
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North America
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Appalachians
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Basin and Range Province
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Belt Basin (6)
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Canadian Shield
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Grenville Province (2)
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Great Lakes
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Great Lakes region (1)
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North American Cordillera (5)
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Canadian Rocky Mountains (1)
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U. S. Rocky Mountains
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Rocky Mountains foreland (1)
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Yukon-Tanana Upland (1)
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North Island (1)
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Oceania
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Polynesia
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Hawaii
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Hawaii County Hawaii
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Kilauea (1)
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-
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Owens Valley (1)
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Pacific Ocean
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East Pacific
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Northeast Pacific (2)
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Southeast Pacific (1)
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North Pacific
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Northeast Pacific (2)
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South Pacific
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Southeast Pacific (1)
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Red River Fault (1)
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San Andreas Fault (6)
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Santa Barbara Basin (2)
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Argentina (1)
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Brazil (1)
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United States
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Alaska (2)
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Inyo County California
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Los Angeles County California
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Marin County California
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Bolinas Lagoon (1)
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Mendocino County California (2)
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Northern California (2)
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San Benito County California (1)
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San Francisco Bay (1)
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San Gregorio Fault (1)
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Santa Barbara County California (1)
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Santa Cruz County California (1)
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Sonoma County California (1)
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Southern California (2)
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Transverse Ranges (1)
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Ventura County California
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Ventura California (1)
-
-
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Cheyenne Belt (2)
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Coeur d'Alene mining district (2)
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Colorado
-
Rio Grande County Colorado (1)
-
Teller County Colorado
-
Florissant Fossil Beds National Monument (1)
-
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Colorado Plateau (2)
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Delmarva Peninsula (1)
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Dinosaur National Monument (1)
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Eastern U.S. (1)
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Great Basin (1)
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Hawaii
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Hawaii County Hawaii
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Hawaii Island
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Kilauea (1)
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Hugoton Embayment (1)
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Idaho
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Lemhi Range (1)
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Illinois (1)
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Indiana
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Porter County Indiana (1)
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Kansas
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Comanche County Kansas (1)
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Michigan
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Michigan Lower Peninsula
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Van Buren County Michigan (1)
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Middle Atlantic Bight (1)
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Minnesota (1)
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Mojave Desert (1)
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Montana
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Flathead County Montana (2)
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Glacier County Montana (1)
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Lincoln County Montana
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Libby Montana (3)
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Mineral County Montana (1)
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Missoula County Montana (1)
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Sanders County Montana (1)
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Nevada
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White Pine County Nevada (2)
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Dona Ana County New Mexico (1)
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Jemez Lineament (1)
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Taos County New Mexico
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Union County New Mexico (1)
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New York
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Orange County New York (1)
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North Carolina (1)
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Oklahoma
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Meers Fault (1)
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Oregon (3)
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Pennsylvania
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Allegheny County Pennsylvania
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South Carolina
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Southwestern U.S. (1)
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Texas
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Brewster County Texas
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U. S. Rocky Mountains
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Medicine Bow Mountains (2)
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Utah
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Emery County Utah (1)
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Virginia
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Washington
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West Virginia
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Pendleton County West Virginia (1)
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Wyoming
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Wyoming Province (2)
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Walker Lake (1)
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commodities
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energy sources (2)
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base metals (1)
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copper ores (9)
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gold ores (12)
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iron ores (3)
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lead ores (2)
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lead-zinc deposits (2)
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lithium ores (1)
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molybdenum ores (2)
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nickel ores (4)
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platinum ores (2)
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silver ores (6)
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tantalum ores (1)
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tin ores (1)
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tungsten ores (1)
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uranium ores (1)
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zinc ores (3)
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mineral deposits, genesis (18)
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mineral exploration (7)
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mineral resources (2)
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oil and gas fields (1)
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petroleum
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natural gas (4)
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vermiculite deposits (1)
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water resources (1)
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elements, isotopes
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carbon
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C-13/C-12 (11)
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C-14 (35)
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chemical elements (2)
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chemical ratios (6)
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halogens
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chlorine
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Cl-36 (2)
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hydrogen
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D/H (2)
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tritium (3)
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isotope ratios (24)
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isotopes
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radioactive isotopes
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Al-26 (1)
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Be-10 (1)
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Be-7 (1)
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C-14 (35)
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Cl-36 (2)
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Cs-137 (1)
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Pb-206/Pb-204 (2)
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Pb-207/Pb-204 (1)
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Pb-208/Pb-204 (1)
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Pb-210 (1)
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Ra-226 (1)
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Rn-222 (1)
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Th-230 (1)
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tritium (3)
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U-238 (1)
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stable isotopes
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C-13/C-12 (11)
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D/H (2)
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Fe-56 (1)
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He-3 (4)
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He-4/He-3 (1)
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Hf-177/Hf-176 (1)
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Nd-144/Nd-143 (6)
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Ne-21 (2)
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O-18/O-16 (10)
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Os-188/Os-187 (1)
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Pb-206 (1)
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Pb-206/Pb-204 (2)
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Pb-207/Pb-204 (1)
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Pb-208/Pb-204 (1)
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S-34/S-32 (2)
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Sr-87/Sr-86 (5)
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metals
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actinides
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thorium
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Th-230 (1)
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uranium
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U-238 (1)
-
-
-
alkali metals
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cesium
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Cs-137 (1)
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-
-
alkaline earth metals
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beryllium
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Be-10 (1)
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Be-7 (1)
-
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magnesium (1)
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radium
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Ra-226 (1)
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strontium
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Sr-87/Sr-86 (5)
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-
-
aluminum
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Al-26 (1)
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hafnium
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Hf-177/Hf-176 (1)
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iron
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Fe-56 (1)
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ferric iron (2)
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ferrous iron (2)
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lead
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Pb-206 (1)
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Pb-206/Pb-204 (2)
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Pb-207/Pb-204 (1)
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Pb-208/Pb-204 (1)
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Pb-210 (1)
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manganese (1)
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platinum group
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osmium
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Os-188/Os-187 (1)
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platinum ores (2)
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precious metals (2)
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rare earths
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neodymium
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Nd-144/Nd-143 (6)
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samarium (1)
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nitrogen (1)
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noble gases
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argon (1)
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helium
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He-3 (4)
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He-4/He-3 (1)
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neon
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Ne-21 (2)
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radon
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Rn-222 (1)
-
-
-
oxygen
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O-18/O-16 (10)
-
-
sulfur
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S-34/S-32 (2)
-
-
-
fossils
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bacteria (1)
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Chordata
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Vertebrata
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Tetrapoda
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Aves
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Neornithes
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Neognathae
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Charadriiformes (1)
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Mammalia
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Theria
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Eutheria
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Proboscidea
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Elephantoidea
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Elephantidae
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Mammuthus (1)
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Reptilia
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Diapsida
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Archosauria
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dinosaurs
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Ornithischia (1)
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Saurischia
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Theropoda
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Carnosauria
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Allosaurus (1)
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-
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-
-
-
-
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Graptolithina
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Graptoloidea (1)
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ichnofossils (3)
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Invertebrata
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Arthropoda
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Mandibulata
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Crustacea
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Ostracoda (1)
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-
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Trilobitomorpha
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Trilobita
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Odontopleurida (1)
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-
-
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Echinodermata
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Crinozoa
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Crinoidea (1)
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-
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Mollusca (1)
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Protista
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Foraminifera
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Rotaliina
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Globigerinacea
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Globigerinidae
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Globigerina (1)
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-
-
-
-
-
Vermes
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Polychaeta
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Serpulidae (1)
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-
-
-
microfossils (12)
-
palynomorphs
-
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miospores
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pollen (4)
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Plantae
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algae
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Coccolithophoraceae
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Coccolithus (1)
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nannofossils (1)
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-
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tracks (1)
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geochronology methods
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Ar/Ar (9)
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exposure age (1)
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optical mineralogy (2)
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optically stimulated luminescence (5)
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U/Pb (20)
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geologic age
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Cenozoic
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Quaternary
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Pleistocene
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Weichselian
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upper Weichselian
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Wisconsinan
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-
-
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upper Quaternary (2)
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Tertiary
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Neogene
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Miocene
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lower Miocene (1)
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upper Miocene
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Messinian (1)
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-
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Pliocene (2)
-
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Paleogene
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Eocene
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middle Eocene
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Carrizo Sand (1)
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-
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Paleocene
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lower Paleocene (1)
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-
-
-
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Laurentide ice sheet (2)
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Mesozoic
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Cretaceous
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Blairmore Group (1)
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Colorado Group (1)
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Dakota Formation (1)
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Logan Canyon Formation (1)
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Lower Cretaceous
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Albian (2)
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Missisauga Formation (2)
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Middle Cretaceous (3)
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Potomac Group (1)
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Upper Cretaceous
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Campanian (1)
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Cenomanian (2)
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Dawson Canyon Formation (1)
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Ferron Sandstone Member (1)
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Frontier Formation (1)
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Senonian (1)
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-
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Franciscan Complex (1)
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Jurassic
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Mic Mac Formation (1)
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Upper Jurassic
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Morrison Formation (1)
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-
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Triassic (1)
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MIS 3 (1)
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MIS 5 (1)
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Paleozoic
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Cambrian
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Brigham Group (1)
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Carboniferous
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Mississippian
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Madison Group (1)
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Upper Mississippian
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Meramecian
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Saint Louis Limestone (1)
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Sainte Genevieve Limestone (1)
-
-
-
-
Pennsylvanian
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Conemaugh Group (1)
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-
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Devonian (1)
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Helderberg Group (1)
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Keyser Limestone (1)
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Ordovician
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Middle Ordovician
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Bromide Formation (1)
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Llanvirnian (1)
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Simpson Group (1)
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Viola Limestone (1)
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Permian
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Hennessey Formation (1)
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Lower Permian
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Abo Formation (1)
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Cisuralian
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Asselian (1)
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Sakmarian (1)
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Leonardian (1)
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Yeso Formation (1)
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Silurian
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Lower Silurian (1)
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upper Paleozoic (1)
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Phanerozoic (2)
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Precambrian
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Archean
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Neoarchean (5)
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Warrawoona Group (1)
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Hadean (2)
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Prichard Formation (3)
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Purcell System (7)
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upper Precambrian
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Proterozoic
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Hutuo Group (1)
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McNamara Group (1)
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Mesoproterozoic
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Aldridge Formation (1)
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Belt Supergroup (21)
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Bonner Formation (1)
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Helena Formation (1)
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Missoula Group (3)
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Ravalli Group (1)
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Revett Quartzite (3)
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Wallace Formation (1)
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Neoproterozoic
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Ediacaran (1)
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Paleoproterozoic (5)
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Pocatello Formation (1)
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Windermere System (2)
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igneous rocks
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igneous rocks
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carbonatites (2)
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plutonic rocks
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anorthosite (1)
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diorites
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gabbros
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granites
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pegmatite (1)
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porphyry (1)
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volcanic rocks
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L chondrites (1)
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minerals
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-
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pyroxene group
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clinopyroxene
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orthopyroxene
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enstatite (1)
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framework silicates
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feldspar group
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barium feldspar
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plagioclase
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silica minerals
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orthosilicates
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zircon group
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sheet silicates
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-
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uranium minerals (1)
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Primary terms
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absolute age (55)
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Africa
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atmosphere (6)
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New Zealand
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carbon
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C-13/C-12 (11)
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C-14 (35)
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Caribbean region
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Cenozoic
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Quaternary
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Pleistocene
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Wisconsinan
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upper Quaternary (2)
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Tertiary
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Neogene
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Messinian (1)
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Pliocene (2)
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Paleogene
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Eocene
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middle Eocene
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Carrizo Sand (1)
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Paleocene
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lower Paleocene (1)
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Central America
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Nicaragua
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Managua Nicaragua (2)
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Chordata
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Vertebrata
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Mammalia
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Theria
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Proboscidea
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Elephantidae
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Mammuthus (1)
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Reptilia
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dinosaurs
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clay mineralogy (5)
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Vermes
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