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New York
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Catskill Mountains (2)
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Finger Lakes
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Franklin County New York (2)
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Ontario County New York (1)
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Orange County New York (3)
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Rockland County New York (2)
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Saint Lawrence County New York
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Balmat-Edwards mining district (1)
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-
Saratoga County New York (3)
-
Schoharie County New York (3)
-
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-
Seneca County New York (4)
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Steuben County New York (5)
-
Tioga County New York (2)
-
Tompkins County New York
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Ithaca New York (2)
-
-
Ulster County New York (5)
-
Warren County New York (1)
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Washington County New York (5)
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Wyoming County New York (1)
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Yates County New York (1)
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Newark Basin (12)
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North Carolina
-
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Carteret County North Carolina (2)
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Dare County North Carolina
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Cape Hatteras (1)
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Davidson County North Carolina (1)
-
Graham County North Carolina (1)
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Mecklenburg County North Carolina
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Charlotte North Carolina (1)
-
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New Hanover County North Carolina
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Wilmington North Carolina (1)
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Onslow County North Carolina (1)
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Wayne County North Carolina (1)
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North Dakota
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Ohio
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Hocking County Ohio (1)
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-
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Lorain County Ohio (2)
-
Lucas County Ohio (2)
-
Mahoning County Ohio (4)
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Medina County Ohio (1)
-
Meigs County Ohio (2)
-
Miami County Ohio (1)
-
Montgomery County Ohio (2)
-
Morrow County Ohio (1)
-
Muskingum County Ohio (1)
-
Perry County Ohio (1)
-
Summit County Ohio (1)
-
Trumbull County Ohio (1)
-
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-
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Ohio River (3)
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Ohio River valley (1)
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Oklahoma
-
Arbuckle Mountains (5)
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Blaine County Oklahoma (2)
-
Caddo County Oklahoma (1)
-
Canadian County Oklahoma (1)
-
Carter County Oklahoma (3)
-
Cherokee County Oklahoma (1)
-
Coal County Oklahoma (1)
-
Comanche County Oklahoma (1)
-
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-
Custer County Oklahoma (1)
-
Dewey County Oklahoma (1)
-
Johnston County Oklahoma (2)
-
Kingfisher County Oklahoma (1)
-
Kiowa County Oklahoma (1)
-
Latimer County Oklahoma (2)
-
Le Flore County Oklahoma (1)
-
McIntosh County Oklahoma (1)
-
Meers Fault (2)
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Murray County Oklahoma (2)
-
Noble County Oklahoma (1)
-
Nowata County Oklahoma (1)
-
Osage County Oklahoma (2)
-
Pawnee County Oklahoma (2)
-
Pittsburg County Oklahoma (1)
-
Pontotoc County Oklahoma (4)
-
Seminole County Oklahoma (2)
-
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Wichita Uplift (2)
-
-
Oregon
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-
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-
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-
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-
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-
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-
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-
Wallowa Mountains (1)
-
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Ouachita Belt (5)
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Pennsylvania
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Adams County Pennsylvania (3)
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Armstrong County Pennsylvania (1)
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Blair County Pennsylvania (6)
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-
Cambria County Pennsylvania (2)
-
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-
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-
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-
-
Delaware County Pennsylvania (1)
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-
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-
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-
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-
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Pilot Range (1)
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Reelfoot Rift (4)
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Sevier orogenic belt (12)
-
Shenandoah Valley (3)
-
South Carolina
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Aiken County South Carolina (1)
-
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-
Charleston County South Carolina
-
Charleston South Carolina (4)
-
-
Fairfield County South Carolina (1)
-
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Savannah River Site (1)
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-
South Dakota
-
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-
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-
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-
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-
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Southern Oklahoma Aulacogen (2)
-
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-
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-
Susquehanna River (5)
-
Susquehanna River basin (4)
-
Suwannee River (1)
-
Talladega Front (4)
-
Tennessee
-
Benton County Tennessee (1)
-
Blount County Tennessee (3)
-
Claiborne County Tennessee (1)
-
Davidson County Tennessee
-
Nashville Tennessee (1)
-
-
Decatur County Tennessee (1)
-
Grainger County Tennessee (1)
-
Hardin County Tennessee (1)
-
Humphreys County Tennessee (1)
-
Knox County Tennessee (1)
-
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-
Oak Ridge National Laboratory (1)
-
Sequatchie Valley (1)
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Shelby County Tennessee
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-
-
Wilson County Tennessee (1)
-
-
Tennessee River (1)
-
Texas
-
Amarillo Uplift (1)
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Balcones fault zone (2)
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Big Bend National Park (4)
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-
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Ector County Texas
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-
Fort Worth Basin (9)
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-
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Llano Uplift (2)
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Midland Basin (8)
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Milam County Texas (1)
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-
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-
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U. S. Rocky Mountains
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Utah
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Bingham mining district (1)
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-
-
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-
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-
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Vermont
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Virginia
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-
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Washington
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-
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West Virginia
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-
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-
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-
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-
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-
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-
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-
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-
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Western U.S. (27)
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Wisconsin
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Milwaukee County Wisconsin
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-
-
Wyoming
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Owl Creek Mountains (1)
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Park County Wyoming (7)
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-
-
Teapot Dome (1)
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Wyoming Province (3)
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USSR (3)
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-
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commodities
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aggregate (4)
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bitumens
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brines (39)
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coal deposits (22)
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construction materials
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dimension stone (4)
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diamond deposits (2)
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energy sources (60)
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gems (9)
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geothermal energy (10)
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metal ores
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base metals (4)
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IOCG deposits (4)
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iron ores (20)
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lead ores (26)
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lead-zinc deposits (14)
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platinum ores (4)
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polymetallic ores (9)
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pyrite ores (1)
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silver ores (18)
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tellurium ores (1)
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tin ores (6)
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mineral deposits, genesis (101)
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petroleum
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shale oil (19)
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phosphate deposits (4)
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placers
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potash (1)
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tight sands (12)
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water resources (16)
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elements, isotopes
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boron (1)
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carbon
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C-13/C-12 (131)
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C-14 (36)
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organic carbon (35)
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chemical elements (3)
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halogens
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chlorine
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fluorine (1)
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iodine
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hydrogen
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tritium (4)
-
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isotope ratios (221)
-
isotopes
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radioactive isotopes
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Al-26 (10)
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C-14 (36)
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tritium (4)
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Zn-65 (1)
-
-
stable isotopes
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Ar-36 (1)
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-
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-
Be-10/Be-9 (2)
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C-13 (1)
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C-13/C-12 (131)
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Cl-37/Cl-35 (1)
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D/H (24)
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deuterium (1)
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Fe-56/Fe-54 (1)
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He-3 (2)
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He-4 (1)
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Hf-177/Hf-176 (8)
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Kr-84 (1)
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Mg-25/Mg-24 (1)
-
Mg-26/Mg-24 (1)
-
N-15/N-14 (10)
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Nd-144/Nd-143 (12)
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Ne-21 (1)
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O-17/O-16 (1)
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O-18/O-16 (108)
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Os-188/Os-187 (1)
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Pb-206/Pb-204 (9)
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Pb-207/Pb-204 (7)
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Pb-208/Pb-204 (5)
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Rb-87/Sr-86 (1)
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Re-187/Os-188 (1)
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S-33 (1)
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S-33/S-32 (1)
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S-34/S-32 (21)
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S-36 (1)
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Sm-147/Nd-144 (2)
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Sr-87/Sr-86 (36)
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Zn-66 (1)
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-
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Lu/Hf (2)
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metals
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Pu-238 (1)
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Pu-239 (1)
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thorium
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uranium
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U-234 (1)
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alkali metals
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cesium
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Rb-87/Sr-86 (1)
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sodium (2)
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alkaline earth metals
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barium (4)
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beryllium
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Be-10 (22)
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Be-10/Be-9 (2)
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calcium
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Mg/Ca (2)
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Sr/Ca (1)
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-
magnesium
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Mg/Ca (2)
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Mg-25/Mg-24 (1)
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Mg-26/Mg-24 (1)
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radium
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Ra-226 (2)
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Ra-228/Ra-226 (1)
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strontium
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Rb-87/Sr-86 (1)
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Sr-87/Sr-86 (36)
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-
-
aluminum
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Al-26 (10)
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Cu-65 (2)
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gold (5)
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hafnium
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Hf-177/Hf-176 (8)
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iron
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Fe-56/Fe-54 (1)
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ferric iron (1)
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ferrous iron (2)
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lead
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Pb-206/Pb-204 (9)
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Pb-208/Pb-204 (5)
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Pb-210 (6)
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U-238/Pb-204 (1)
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platinum ores (4)
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neodymium
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Nd-144/Nd-143 (12)
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samarium
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Sm-147/Nd-144 (2)
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zirconium (4)
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N-15/N-14 (10)
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organic nitrogen (1)
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noble gases
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helium
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He-3 (2)
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He-4 (1)
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krypton
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neon
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Ne-21 (1)
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radon
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Rn-222 (1)
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oxygen
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dissolved oxygen (2)
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O-17/O-16 (1)
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O-18/O-16 (108)
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phosphorus (7)
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silicon (6)
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S-33 (1)
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S-36 (1)
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trace metals (3)
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fossils
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Chordata
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Vertebrata
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Pisces
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Osteichthyes
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Sarcopterygii
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Placodermi
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Tetrapoda
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-
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Aves
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-
-
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Mammalia
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Multituberculata (1)
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Theria
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Artiodactyla
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-
-
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Carnivora
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Insectivora
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Perissodactyla
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-
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Primates
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Proconsul (1)
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Proboscidea
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Mastodontoidea
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Rodentia (7)
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-
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Reptilia
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Diapsida
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Archosauria
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-
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dinosaurs
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Ornithischia
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Ornithopoda
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Stegosaurus (2)
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Saurischia
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-
-
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Theropoda
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Carnosauria
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Pterosauria (2)
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Thecodontia
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Lepidosauria
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Squamata (2)
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Synapsida
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Therapsida
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Dicynodontia
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Lystrosaurus (2)
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-
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Testudinata (1)
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Cloudina (1)
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coprolites (7)
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cyanobacteria (3)
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fossil man (1)
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Graptolithina
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Monograptina
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Monograptus (1)
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Hemichordata (5)
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Invertebrata
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Chelicerata
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Mandibulata
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Ostracoda
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Podocopida (3)
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Insecta
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Exopterygota
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Dermaptera (1)
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Palaeoptera
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Odonata (1)
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Myriapoda (7)
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Trilobitomorpha
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Trilobita
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Agnostida (2)
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Ptychopariida
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Redlichiida (2)
-
-
-
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Brachiopoda
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Articulata
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Orthida (1)
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Strophomenida (1)
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Inarticulata (2)
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Cnidaria
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Anthozoa
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Corallimorpharia (1)
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Rugosa (2)
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Scleractinia
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Montastrea (1)
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-
-
-
Hydrozoa (2)
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Scyphozoa
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Conulariida (2)
-
-
-
Echinodermata
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Asterozoa
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Stelleroidea
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-
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Crinozoa
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Crinoidea (13)
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Echinozoa
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Homalozoa
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-
-
Mollusca
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Bivalvia
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Heterodonta
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Veneroida (1)
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Ostreoidea
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Pterioida
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Pectinacea
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Pectinidae (1)
-
-
-
-
-
Cephalopoda
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Ammonoidea
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Ammonites (3)
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Goniatitida (2)
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Coleoidea
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Nautiloidea (7)
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Gastropoda
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Pulmonata (1)
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-
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Hyolithes (3)
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Tentaculitida
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Tentaculitidae
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Tentaculites (1)
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-
-
-
Porifera
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Demospongea (1)
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Protista
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Foraminifera
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Fusulinina
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Fusulinidae (4)
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Rotaliina
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Globigerinacea
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Globigerinidae
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Globigerina
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Globigerina bulloides (1)
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Orbulina (1)
-
-
-
Nodosariacea
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Nodosariidae
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Lenticulina (1)
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-
-
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Orbitoidacea
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Lepidocyclina (1)
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Rotaliacea
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Heterostegina
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Heterostegina depressa (1)
-
-
Miogypsinidae
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Miogypsina (1)
-
-
Nummulitidae
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Nummulites
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Operculina (1)
-
-
-
-
-
Textulariina
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Lituolacea
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Ammobaculites (1)
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Lituolidae
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Haplophragmoides (1)
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Trochammina (1)
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-
-
-
Radiolaria (10)
-
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Vermes
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Annelida (4)
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Nematoida (1)
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Polychaeta
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Serpulidae (2)
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Priapulida (2)
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scolecodonts (4)
-
-
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lichens (1)
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Metazoa (4)
-
microfossils
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Charophyta (4)
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Chitinozoa (9)
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Conodonta
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Idiognathodus (1)
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Streptognathodus (1)
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Fusulinina
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Fusulinidae (4)
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problematic microfossils (3)
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scolecodonts (4)
-
-
palynomorphs
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acritarchs (20)
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Dinoflagellata
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Deflandrea (1)
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megaspores (1)
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pollen (30)
-
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Plantae
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algae
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calcareous algae (1)
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Chlorophyta
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Charophyta (4)
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Coccolithophoraceae
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diatoms (8)
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nannofossils
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Rhodophyta
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Corallinaceae
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Lithothamnium (1)
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-
-
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Pteridophyta
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Filicopsida
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Archaeopteris (4)
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Lycopsida
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Sigillaria (1)
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Sphenopsida
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Equisetales
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Calamites (1)
-
-
-
-
Spermatophyta
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Angiospermae
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Dicotyledoneae
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Myrtaceae
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Eucalyptus (1)
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Nothofagus (1)
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Monocotyledoneae
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Palmae (1)
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Gymnospermae
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Coniferales
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Taxodiaceae
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Metasequoia (1)
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-
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Cordaitales
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Cordaites (4)
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Ginkgoales
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Glossopteridales
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Glossopteris (1)
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Pteridospermae
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Neuropteris (1)
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-
-
-
-
problematic fossils
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problematic microfossils (3)
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Pterobranchia (5)
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thallophytes (6)
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tracks (21)
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-
geochronology methods
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(U-Th)/He (20)
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Ar/Ar (56)
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exposure age (11)
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fission-track dating (25)
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tree rings (3)
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geologic age
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Anthropocene (1)
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Cenozoic
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Bronze Age (2)
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Iron Age (1)
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Quaternary
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Holocene
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Neoglacial
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upper Holocene
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Little Ice Age (1)
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Roman period (2)
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-
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lower Quaternary (1)
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Pleistocene
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Bishop Tuff (1)
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Blackwater Draw Formation (2)
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Champlain Sea (1)
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Lake Agassiz (2)
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Loveland Loess (1)
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lower Pleistocene (7)
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Lake Iroquois (1)
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Weichselian
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upper Weichselian
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Allerod (1)
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Bolling (1)
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Younger Dryas (8)
-
-
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Wisconsinan
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Lavery Till (1)
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lower Wisconsinan (1)
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middle Wisconsinan (1)
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upper Wisconsinan
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Fraser Glaciation (1)
-
-
-
-
-
upper Quaternary
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Pinedale Glaciation (1)
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-
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Siwalik System (6)
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Tertiary
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Asmari Formation (2)
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Challis Volcanics (2)
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Florissant Lake Beds (1)
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John Day Formation (1)
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lower Tertiary (3)
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middle Tertiary (2)
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Muddy Creek Formation (2)
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Neogene
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Aguacate Group (1)
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Etchegoin Formation (1)
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Miocene
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Aragonian (1)
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Ash Hollow Formation (2)
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Barstovian (1)
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Columbia River Basalt Group (1)
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Grande Ronde Basalt (1)
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lower Miocene
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Aquitanian (1)
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Burdigalian (2)
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Hemingfordian (1)
-
-
middle Miocene
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Langhian (2)
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Serravallian (2)
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Oficina Formation (1)
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Paintbrush Tuff (1)
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Surma Group (1)
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upper Miocene
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Messinian (3)
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Pannonian (1)
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Tortonian (2)
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Turolian (1)
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Vallesian (1)
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Ogallala Formation (2)
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Pliocene
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lower Pliocene (3)
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middle Pliocene (1)
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upper Pliocene (5)
-
-
Sisquoc Formation (1)
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-
Paleogene
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Calvert Bluff Formation (1)
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Claron Formation (1)
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Eocene
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Absaroka Supergroup (3)
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Annot Sandstone (1)
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Avon Park Formation (1)
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Bridgerian (3)
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Golden Valley Formation (1)
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Green River Formation (10)
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Lake Gosiute (2)
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Lookingglass Formation (1)
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lower Eocene
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Aquia Formation (2)
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Wasatchian (3)
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Willwood Formation (5)
-
-
middle Eocene
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Claiborne Group (1)
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Laney Shale Member (2)
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Lutetian (2)
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Santee Limestone (1)
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Tyee Formation (1)
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Mirador Formation (1)
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Swauk Formation (1)
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upper Eocene
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Chadronian (2)
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Jackson Group (1)
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Priabonian (2)
-
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Wilkins Peak Member (3)
-
-
Huber Formation (1)
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Ilerdian (1)
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lower Paleogene (1)
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Oligocene
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Brule Formation (1)
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Frio Formation (3)
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Glendon Limestone (1)
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lower Oligocene (4)
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middle Oligocene
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Byram Formation (1)
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Marianna Limestone (1)
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-
upper Oligocene (4)
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Vicksburg Group (1)
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-
Paleocene
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Clayton Formation (1)
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lower Paleocene
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Danian (4)
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K-T boundary (9)
-
-
middle Paleocene
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Selandian (1)
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Midway Group (1)
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Ravenscrag Formation (1)
-
Tongue River Member (1)
-
Tullock Member (1)
-
upper Paleocene
-
Clarkforkian (1)
-
Thanetian (2)
-
Tiffanian (2)
-
-
-
Paleocene-Eocene Thermal Maximum (3)
-
Renova Formation (2)
-
Sespe Formation (1)
-
Tyonek Formation (1)
-
Wasatch Formation (2)
-
White River Group (1)
-
Wilcox Group (3)
-
-
Shahejie Formation (7)
-
Twin Sisters Dunite (1)
-
upper Tertiary (1)
-
Zambales Ophiolite (1)
-
-
upper Cenozoic
-
Romanian (1)
-
-
Wildcat Group (1)
-
Yakataga Formation (1)
-
-
Coal Measures (2)
-
Dalradian (1)
-
Lake Bonneville (1)
-
Laurentide ice sheet (11)
-
Mesozoic
-
Cretaceous
-
Alisitos Formation (1)
-
Bahariya Formation (2)
-
Blairmore Group (1)
-
Comanchean
-
Buda Limestone (3)
-
Edwards Formation (3)
-
Georgetown Formation (1)
-
Glen Rose Formation (1)
-
Paluxy Formation (1)
-
Pearsall Formation (2)
-
Rodessa Formation (2)
-
Washita Group (2)
-
-
Dakota Formation (4)
-
Hue Shale (1)
-
Kuskokwim Group (1)
-
Logan Canyon Formation (3)
-
Lower Cretaceous
-
Agrio Formation (1)
-
Albian
-
upper Albian (2)
-
-
Aptian (4)
-
Barremian (5)
-
Blackleaf Formation (2)
-
Bluesky Formation (1)
-
Cadomin Formation (2)
-
Edwards Formation (3)
-
Georgetown Formation (1)
-
Gething Formation (2)
-
Glen Rose Formation (1)
-
Hauterivian (1)
-
Kiowa Formation (1)
-
Lagoa Feia Formation (1)
-
Mannville Group (1)
-
McMurray Formation (2)
-
Missisauga Formation (4)
-
Mowry Shale (5)
-
Muddy Sandstone (3)
-
Neocomian (1)
-
Paluxy Formation (1)
-
Pearsall Formation (2)
-
Rodessa Formation (2)
-
Sligo Formation (1)
-
Spirit River Formation (1)
-
Torok Formation (1)
-
Yingcheng Formation (1)
-
-
Mancos Shale (3)
-
Middle Cretaceous (8)
-
Nanushuk Group (2)
-
Nenjiang Formation (2)
-
Potomac Group (3)
-
Qingshankou Formation (3)
-
Upper Cretaceous
-
Almond Formation (1)
-
Bagh Beds (1)
-
Belle Fourche Shale (2)
-
Belly River Formation (2)
-
Blackhawk Formation (2)
-
Buda Limestone (3)
-
Campanian
-
Cerro del Pueblo Formation (1)
-
Dinosaur Park Formation (1)
-
lower Campanian (2)
-
upper Campanian (4)
-
-
Cardium Formation (5)
-
Carlile Shale (2)
-
Castlegate Sandstone (3)
-
Cenomanian
-
Dunvegan Formation (2)
-
lower Cenomanian (1)
-
-
Coker Formation (1)
-
Coniacian (1)
-
Dawson Canyon Formation (2)
-
Djadokhta Formation (1)
-
Eagle Sandstone (1)
-
Eutaw Formation (1)
-
Ferron Sandstone Member (2)
-
Fort Hays Limestone Member (2)
-
Frontier Formation (4)
-
Fruitland Formation (2)
-
Greenhorn Limestone (2)
-
Gulfian
-
Aguja Formation (1)
-
Austin Chalk (3)
-
Eagle Ford Formation (17)
-
Olmos Formation (1)
-
Woodbine Formation (1)
-
-
Hell Creek Formation (2)
-
Horseshoe Canyon Formation (3)
-
Javelina Formation (1)
-
Judith River Formation (3)
-
Kirtland Shale (2)
-
K-T boundary (9)
-
La Luna Formation (1)
-
Lance Formation (1)
-
Lewis Shale (2)
-
Maestrichtian
-
lower Maestrichtian (3)
-
upper Maestrichtian (3)
-
-
Maevarano Formation (1)
-
Magothy Formation (1)
-
Marshalltown Formation (2)
-
Mesaverde Group (3)
-
Milk River Formation (3)
-
Navesink Formation (6)
-
Niobrara Formation (7)
-
Oldman Formation (3)
-
Pakawau Group (1)
-
Pierre Shale (7)
-
Prince Creek Formation (6)
-
Ripley Formation (2)
-
Rosario Formation (2)
-
Santonian (5)
-
Schrader Bluff Formation (1)
-
Senonian (19)
-
Shannon Sandstone Member (1)
-
Sharon Springs Member (1)
-
Smoky Hill Chalk Member (2)
-
Star Point Sandstone (1)
-
Straight Cliffs Formation (1)
-
Sussex Sandstone Member (1)
-
Tropic Shale (1)
-
Turonian
-
middle Turonian (1)
-
upper Turonian (1)
-
-
Tuscaloosa Formation (4)
-
Two Medicine Formation (3)
-
Wahweap Formation (3)
-
Williams Fork Formation (1)
-
-
Viking Formation (1)
-
Vraconian (1)
-
-
Franciscan Complex (5)
-
Great Valley Sequence (2)
-
Jurassic
-
Arapien Shale (1)
-
Bazhenov Formation (1)
-
Carmel Formation (2)
-
Kingak Shale (2)
-
Lower Jurassic
-
East Berlin Formation (2)
-
Hettangian (1)
-
Pliensbachian (1)
-
Portland Formation (1)
-
Sinemurian (2)
-
Toarcian (3)
-
upper Liassic (2)
-
-
Mic Mac Formation (2)
-
Middle Jurassic
-
Aalenian (2)
-
Bajocian (1)
-
Bathonian (3)
-
Callovian (2)
-
-
Opalinus Clay (1)
-
Posidonia Shale (3)
-
Twin Creek Limestone (2)
-
Upper Jurassic
-
Arab Formation (1)
-
Bossier Formation (1)
-
Bowser Lake Group (2)
-
Brushy Basin Member (1)
-
Cotton Valley Group (2)
-
Entrada Sandstone (1)
-
Galice Formation (1)
-
Haynesville Formation (3)
-
Josephine Ophiolite (1)
-
Kimmeridge Clay (1)
-
Kimmeridgian (3)
-
Morrison Formation (6)
-
Naknek Formation (1)
-
Oxfordian (7)
-
Salt Wash Sandstone Member (1)
-
Schuler Formation (1)
-
Smackover Formation (4)
-
Sundance Formation (1)
-
Tithonian (1)
-
-
-
lower Mesozoic (5)
-
Moenave Formation (2)
-
Navajo Sandstone (1)
-
Newark Supergroup (7)
-
Nugget Sandstone (1)
-
Passaic Formation (3)
-
Triassic
-
Hawkesbury Sandstone (1)
-
Lower Triassic
-
Permian-Triassic boundary (4)
-
Spathian (2)
-
-
Middle Triassic
-
Anisian (2)
-
-
Moenkopi Formation (2)
-
Montney Formation (3)
-
Narrabeen Group (2)
-
Red Peak Formation (1)
-
Shublik Formation (5)
-
Upper Triassic
-
Carnian
-
Ischigualasto Formation (1)
-
-
Chinle Formation (13)
-
Dockum Group (1)
-
Lockatong Formation (3)
-
Mercia Mudstone (3)
-
Norian (9)
-
Petrified Forest Member (2)
-
Redonda Formation (1)
-
Rhaetian (3)
-
Shinarump Member (2)
-
Yanchang Formation (11)
-
-
-
upper Mesozoic (2)
-
Vaca Muerta Formation (5)
-
Wingate Sandstone (1)
-
Yanshanian (4)
-
-
MIS 2 (2)
-
MIS 3 (3)
-
MIS 5 (3)
-
MIS 6 (1)
-
Moldanubian (1)
-
Paleozoic
-
Arbuckle Group (1)
-
Bedford Shale (2)
-
Berea Sandstone (11)
-
Cambrian
-
Acadian (8)
-
Bonanza King Formation (1)
-
Carrara Formation (1)
-
Conasauga Group (4)
-
Lower Cambrian
-
Antietam Formation (1)
-
Chilhowee Group (3)
-
Gog Group (1)
-
Kinzers Formation (3)
-
Poleta Formation (1)
-
Rome Formation (3)
-
Terreneuvian (1)
-
Zabriskie Quartzite (1)
-
-
Middle Cambrian
-
Burgess Shale (7)
-
Marjum Formation (3)
-
Metaline Limestone (1)
-
Wheeler Formation (5)
-
-
Pioche Shale (1)
-
Upper Cambrian
-
Bonneterre Formation (2)
-
Copper Ridge Dolomite (1)
-
Eau Claire Formation (4)
-
Franconia Formation (1)
-
Furongian
-
Jiangshanian (2)
-
Paibian (2)
-
-
Galesville Sandstone (1)
-
Lamotte Sandstone (1)
-
Mount Simon Sandstone (8)
-
Orr Formation (2)
-
Potsdam Sandstone (4)
-
Reagan Sandstone (1)
-
Steptoean (4)
-
-
-
Carboniferous
-
Albert Formation (1)
-
Bartlesville Sand (1)
-
Benxi Formation (1)
-
Big Snowy Group (1)
-
Huanglong Formation (1)
-
Jackfork Group (1)
-
Lower Carboniferous
-
Asbian (1)
-
Dinantian (8)
-
-
Mabou Group (1)
-
Mississippian
-
Barnett Shale (21)
-
Big Injun Sandstone (1)
-
Boone Formation (2)
-
Borden Group (1)
-
Chainman Shale (1)
-
Charles Formation (1)
-
Lower Mississippian
-
Cuyahoga Formation (2)
-
Fort Payne Formation (1)
-
Kayak Shale (1)
-
Kinderhookian (2)
-
Lodgepole Formation (3)
-
Osagian
-
Burlington Limestone (3)
-
Keokuk Limestone (2)
-
-
Pocono Formation (6)
-
Tournaisian (3)
-
-
Madison Group (4)
-
Middle Mississippian
-
Visean
-
upper Visean (3)
-
-
-
Mission Canyon Limestone (1)
-
Newman Limestone (1)
-
Price Formation (4)
-
Redwall Limestone (1)
-
Sunbury Shale (5)
-
Upper Mississippian
-
Bangor Limestone (1)
-
Chesterian
-
Imo Formation (3)
-
-
Fayetteville Formation (5)
-
Greenbrier Limestone (3)
-
Hartselle Sandstone (1)
-
Heath Formation (1)
-
Mauch Chunk Formation (4)
-
Meramecian
-
Saint Louis Limestone (2)
-
Sainte Genevieve Limestone (1)
-
Salem Limestone (3)
-
-
Monteagle Limestone (1)
-
Pennington Formation (3)
-
Pitkin Limestone (1)
-
Serpukhovian (8)
-
-
Valmeyeran (1)
-
Windsor Group (1)
-
-
Namurian (6)
-
Pennsylvanian
-
Brazil Formation (1)
-
Conemaugh Group (8)
-
Cumberland Group (1)
-
Francis Creek Shale (1)
-
Hermosa Group (1)
-
Joggins Formation (2)
-
Lower Pennsylvanian
-
Bashkirian (2)
-
Caseyville Formation (1)
-
Lee Formation (1)
-
Morrowan (2)
-
-
Marble Falls Group (1)
-
Mary Lee Coal (2)
-
Middle Pennsylvanian
-
Allegheny Group (9)
-
Atokan
-
Atoka Formation (2)
-
-
Carbondale Formation (2)
-
Desmoinesian
-
Cherokee Group (1)
-
Marmaton Group (1)
-
-
Moscovian (5)
-
Paradox Formation (3)
-
Staunton Formation (1)
-
Tradewater Formation (1)
-
-
Monongahela Group (7)
-
Morien Group (1)
-
Morrow Formation (1)
-
Pittsburgh Coal (1)
-
Pottsville Group (8)
-
Red Fork Sandstone (1)
-
Saginaw Formation (1)
-
Strawn Series (2)
-
Upper Pennsylvanian
-
Cisco Group (1)
-
Glenshaw Formation (1)
-
Gzhelian (7)
-
Kasimovian (5)
-
Missourian
-
Kansas City Group (3)
-
Lansing Group (2)
-
-
Virgilian
-
Douglas Group (1)
-
Wabaunsee Group (1)
-
-
Wescogame Formation (1)
-
-
Wapanucka Limestone (1)
-
Watahomigi Formation (1)
-
-
Upper Carboniferous
-
Karharbari Stage (1)
-
Stephanian (4)
-
Westphalian (9)
-
-
-
Catskill Formation (13)
-
Chattanooga Shale (6)
-
Cow Head Group (3)
-
Devonian
-
Genesee Group (3)
-
Keg River Formation (1)
-
Levis Shale (1)
-
Lower Devonian
-
Battery Point Formation (2)
-
Emsian (10)
-
Littleton Formation (1)
-
Lochkovian (7)
-
Manlius Formation (2)
-
Oriskany Sandstone (27)
-
Pragian (5)
-
-
Middle Devonian
-
Boyle Dolomite (1)
-
Detroit River Group (1)
-
Dundee Limestone (2)
-
Eifelian (8)
-
Elk Point Group (1)
-
Givetian
-
upper Givetian (1)
-
-
Hamilton Group (17)
-
Jeffersonville Limestone (1)
-
Ludlowville Formation (1)
-
Mahantango Formation (10)
-
Marcellus Shale (68)
-
Moscow Formation (3)
-
Onondaga Limestone (22)
-
Sylvania Formation (2)
-
Tioga Bentonite (4)
-
Tully Limestone (9)
-
-
Millboro Shale (3)
-
Muth Quartzite (1)
-
Old Red Sandstone (12)
-
Popovich Formation (2)
-
Slave Point Formation (2)
-
Thirtyone Formation (1)
-
Traverse Group (2)
-
Upper Devonian
-
Brallier Shale (5)
-
Canadaway Group (2)
-
Chemung Formation (5)
-
Cleveland Member (1)
-
Famennian
-
lower Famennian (1)
-
upper Famennian (4)
-
-
Frasnian
-
upper Frasnian (1)
-
-
Grosmont Formation (1)
-
Hampshire Formation (5)
-
Huron Member (3)
-
Jefferson Group (1)
-
Kellwasser event (3)
-
Ohio Shale (12)
-
Olentangy Shale (2)
-
Palliser Formation (2)
-
Sonyea Group (1)
-
-
Waterways Formation (1)
-
Zlichovian (1)
-
-
Dunkard Group (6)
-
Ellis Bay Formation (2)
-
Hartland Formation (1)
-
Helderberg Group (6)
-
Honaker Trail Formation (1)
-
Hunton Group (3)
-
Keyser Limestone (3)
-
Knox Group (10)
-
lower Paleozoic
-
Ashe Formation (1)
-
Cape Phillips Formation (1)
-
Conococheague Formation (2)
-
Rose Run Sandstone (5)
-
Wilmington Complex (5)
-
-
Maroon Formation (1)
-
middle Paleozoic
-
Hillabee Chlorite Schist (1)
-
-
New Albany Shale (9)
-
Ordovician
-
Acoite Formation (1)
-
Antelope Valley Limestone (1)
-
Chickamauga Group (1)
-
Eureka Quartzite (2)
-
Lexington Limestone (1)
-
Lower Ordovician
-
Arenigian (4)
-
Beekmantown Group (10)
-
El Paso Group (1)
-
Ellenburger Group (1)
-
Fillmore Formation (1)
-
Floian (2)
-
Ibexian (2)
-
Kindblade Formation (1)
-
Manitou Formation (2)
-
Tremadocian (5)
-
-
Majiagou Formation (1)
-
Martinsburg Formation (12)
-
Middle Ordovician
-
Black River Group (5)
-
Blackriverian (1)
-
Bromide Formation (1)
-
Champlainian (1)
-
Chazy Group (1)
-
Chazyan (4)
-
Dapingian (1)
-
Darriwilian (4)
-
Decorah Shale (1)
-
Deicke Bentonite Bed (2)
-
Galena Dolomite (2)
-
Llanvirnian (1)
-
Millbrig Bentonite Bed (2)
-
Normanskill Formation (2)
-
Platteville Formation (2)
-
Saint Peter Sandstone (3)
-
Table Head Group (3)
-
Whiterockian (3)
-
-
Pogonip Group (1)
-
Trenton Group (18)
-
Upper Ordovician
-
Ashgillian (4)
-
Caradocian (4)
-
Cincinnatian
-
Richmondian (3)
-
-
Fairview Formation (1)
-
Hirnantian (9)
-
Juniata Formation (6)
-
Katian (13)
-
Kope Formation (1)
-
Maquoketa Formation (1)
-
Mohawkian (4)
-
Queenston Shale (5)
-
Red River Formation (2)
-
Reedsville Formation (3)
-
Sandbian (4)
-
Trentonian (10)
-
Whitewater Formation (1)
-
Wufeng Formation (12)
-
Yeoman Formation (1)
-
-
Utica Shale (17)
-
Viola Limestone (3)
-
-
Paganzo Group (1)
-
Permian
-
Chase Group (1)
-
Coconino Sandstone (1)
-
Council Grove Group (1)
-
Cutler Formation (1)
-
Ecca Group (4)
-
Eskridge Shale (1)
-
Guadalupian
-
Bell Canyon Formation (1)
-
Brushy Canyon Formation (1)
-
Capitan Formation (1)
-
Capitanian (1)
-
Cherry Canyon Formation (1)
-
Delaware Mountain Group (2)
-
Grayburg Formation (1)
-
Queen Formation (1)
-
Seven Rivers Formation (1)
-
Tansill Formation (1)
-
Wordian (2)
-
-
Kaibab Formation (2)
-
Longtan Formation (3)
-
Lower Permian
-
Abo Formation (1)
-
Barakar Stage (2)
-
Cherry Canyon Formation (1)
-
Cisuralian
-
Artinskian (3)
-
Asselian (3)
-
Kungurian (1)
-
Sakmarian (2)
-
-
Leonardian
-
Bone Spring Limestone (2)
-
Clear Fork Group (1)
-
-
Qixia Formation (1)
-
Wolfcampian
-
Hueco Limestone (1)
-
-
-
Lyons Sandstone (1)
-
Maokou Formation (1)
-
Meade Peak Member (1)
-
Middle Permian (2)
-
Park City Formation (1)
-
Phosphoria Formation (1)
-
Retort Phosphatic Shale Member (1)
-
Rotliegendes (4)
-
Stearns Shale (1)
-
Toroweap Formation (1)
-
Upper Permian
-
Changxing Formation (1)
-
Kazanian (1)
-
Permian-Triassic boundary (4)
-
Zechstein (2)
-
-
Whitehill Formation (1)
-
Yates Formation (1)
-
-
Petersburg Granite (1)
-
Pilot Shale (1)
-
Rangeley Formation (1)
-
Ringerike Sandstone (1)
-
Road River Formation (2)
-
Sauk Sequence (4)
-
Shawangunk Formation (2)
-
Silurian
-
Bass Islands Dolomite (1)
-
Clinch Sandstone (1)
-
Henryhouse Formation (1)
-
Lockport Formation (4)
-
Lower Silurian
-
Grimsby Sandstone (1)
-
Llandovery
-
Aberystwyth Grits (1)
-
Aeronian (2)
-
Rhuddanian (2)
-
Telychian (1)
-
-
Qalibah Formation (1)
-
Tuscarora Formation (11)
-
Wenlock
-
Homerian (2)
-
-
Whirlpool Sandstone (3)
-
-
Middle Silurian
-
Clinton Group (9)
-
Keefer Sandstone (2)
-
McKenzie Formation (3)
-
Roberts Mountains Formation (1)
-
Rochester Formation (1)
-
Rose Hill Formation (3)
-
-
Niagaran (6)
-
Upper Silurian
-
Bloomsburg Formation (2)
-
Cayugan
-
Tonoloway Limestone (4)
-
Williamsport Sandstone (1)
-
-
Ludlow (4)
-
Pridoli (3)
-
Salina Group (9)
-
-
-
Supai Formation (1)
-
Taiyuan Formation (1)
-
Talladega Group (1)
-
Tensleep Sandstone (2)
-
upper Paleozoic
-
Admire Group (1)
-
Antrim Shale (3)
-
Arkansas Novaculite (1)
-
Bakken Formation (4)
-
Dwyka Formation (1)
-
Fountain Formation (1)
-
Kaskaskia Sequence (1)
-
Kiaman Superchron (1)
-
Pictou Group (1)
-
Shanxi Formation (1)
-
-
Weber Sandstone (1)
-
Wissahickon Formation (5)
-
Woodford Shale (10)
-
-
Phanerozoic (11)
-
Precambrian
-
Adirondack Anorthosite (1)
-
Archean
-
Iron Ore Group (1)
-
J-M Reef (1)
-
Napier Complex (1)
-
Neoarchean (3)
-
-
Baltimore Gneiss (3)
-
Catoctin Formation (2)
-
Chuar Group (2)
-
Delhi Supergroup (1)
-
Eocambrian (1)
-
Great Smoky Group (1)
-
Gunflint Iron Formation (1)
-
Johnnie Formation (1)
-
Kingston Peak Formation (2)
-
Luoquan Formation (1)
-
middle Precambrian (1)
-
Nonesuch Shale (4)
-
Noonday Dolomite (2)
-
Pahrump Series (3)
-
Stillwater Complex (2)
-
Stirling Quartzite (2)
-
Transvaal Supergroup (2)
-
Uinta Mountain Group (2)
-
upper Precambrian
-
Mahakoshal Group (1)
-
Proterozoic
-
Banded Gneissic Complex (1)
-
Bitter Springs Formation (1)
-
Huronian
-
Gowganda Formation (1)
-
-
Keweenawan
-
Copper Harbor Conglomerate (2)
-
-
Lewisian (2)
-
Mesoproterozoic
-
Aldridge Formation (1)
-
Belt Supergroup (1)
-
Helikian (1)
-
Revett Quartzite (1)
-
Wallace Formation (1)
-
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Miette Group (1)
-
Neoproterozoic
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Cryogenian (3)
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Ediacaran (13)
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Lynchburg Formation (1)
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Riphean (1)
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Sturtian (1)
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Tonian (1)
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Vendian (4)
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Walden Creek Group (1)
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Oronto Group (1)
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Paleoproterozoic
-
Hemlock Formation (1)
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Qinling Group (1)
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Rustenburg Layered Suite (1)
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Wollaston Group (1)
-
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Windermere System (2)
-
-
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Witwatersrand Supergroup (1)
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Vindhyan (1)
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igneous rocks
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extrusive rocks (1)
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igneous rocks
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carbonatites (6)
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kimberlite (6)
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plutonic rocks
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anorthosite (5)
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diabase (11)
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tonalite (3)
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trondhjemite (1)
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essexite (1)
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gabbros
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norite (3)
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granites
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alkali granites (1)
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A-type granites (2)
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charnockite (2)
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I-type granites (1)
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leucogranite (2)
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monzogranite (1)
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S-type granites (1)
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two-mica granite (1)
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granodiorites (2)
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ijolite (1)
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pegmatite (16)
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pyroxenite
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orthopyroxenite (1)
-
-
-
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porphyry
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vitrophyre (1)
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volcanic rocks
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adakites (1)
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andesites (7)
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basalts
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alkali basalts
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hawaiite (1)
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mugearite (1)
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flood basalts (7)
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mid-ocean ridge basalts (1)
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ocean-island basalts (2)
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olivine basalt (1)
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tholeiitic basalt (1)
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trap rocks (2)
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dacites (4)
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latite (1)
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welded tuff (1)
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rhyolites (13)
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vitrophyre (1)
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-
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ophiolite (14)
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volcanic ash (7)
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metamorphic rocks
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K-bentonite (8)
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metamorphic rocks
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granulites (6)
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metabasalt (1)
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metabasite (2)
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metadacite (1)
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metagabbro (3)
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metaperidotite (2)
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metarhyolite (1)
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metasedimentary rocks
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metachert (1)
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metasandstone (2)
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metasomatic rocks
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fenite (1)
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skarn (9)
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metavolcanic rocks (4)
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mylonites
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phyllites (5)
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blueschist (1)
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slates (2)
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ophiolite (14)
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turbidite (30)
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meteorites
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chondrites (1)
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minerals
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alloys
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amosite (1)
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arsenites (1)
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bismuthides (2)
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borates
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szaibelyite (1)
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carbonates
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ankerite (1)
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aragonite (8)
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bastnaesite (1)
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calcite (53)
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cancrinite (2)
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dolomite (23)
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hydrotalcite (1)
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magnesian calcite (2)
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magnesite (3)
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rhodochrosite (1)
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siderite (7)
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sjogrenite (1)
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sphaerosiderite (5)
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trona (1)
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chromates (1)
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halides
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chlorides
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halite (2)
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fluorides
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hydrates (1)
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K-bentonite (8)
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amber (1)
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oxides
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chrome spinel (2)
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chrysoberyl (1)
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franklinite (3)
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germanates (1)
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goethite (3)
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hollandite (1)
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hydroxides
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iron hydroxides (2)
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oxyhydroxides (1)
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ilmenite (3)
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iron oxides (12)
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jacobsite (1)
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limonite (1)
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manganese oxides (3)
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niobates
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aeschynite (2)
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betafite (1)
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pyrochlore (4)
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perovskite (1)
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pitchblende (1)
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rutile (4)
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specularite (1)
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spinel (5)
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spinel group (3)
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tantalates
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betafite (1)
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thorianite (1)
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todorokite (1)
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ulvospinel (1)
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uraninite (5)
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vernadite (1)
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zincite (1)
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zirconolite (1)
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phosphates
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apatite (41)
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chlorapatite (1)
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fluorapatite (3)
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monazite (19)
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struvite (1)
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triphylite (1)
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turquoise (1)
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xenotime (3)
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platinum minerals (2)
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silicates
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aluminosilicates (1)
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asbestos (3)
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chain silicates
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aenigmatite group
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rhonite (1)
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amphibole group
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alkalic amphibole (1)
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clinoamphibole
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actinolite (1)
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hastingsite (1)
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hornblende (6)
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pargasite (2)
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tremolite (2)
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tschermakite (1)
-
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orthoamphibole
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anthophyllite (1)
-
-
-
pyroxene group
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clinopyroxene
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aegirine (1)
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augite (1)
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diopside (4)
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omphacite (2)
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spodumene (1)
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orthopyroxene (5)
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wollastonite group
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wollastonite (1)
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-
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feldspathoids (1)
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framework silicates
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cancrinite (2)
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feldspar group
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alkali feldspar
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adularia (1)
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anorthoclase (1)
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celsian (1)
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hyalophane (1)
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K-feldspar (10)
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sanidine (3)
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barium feldspar
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celsian (1)
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hyalophane (1)
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plagioclase
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albite (2)
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silica minerals
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agate (1)
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amethyst (2)
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carnelian (1)
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chalcedony (3)
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chrysoprase (1)
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coesite (2)
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cristobalite (1)
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jasper (2)
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moganite (2)
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opal
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opal-A (1)
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opal-CT (1)
-
-
quartz
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smoky quartz (1)
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-
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sodalite group (1)
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zeolite group
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analcime (1)
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gmelinite (1)
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mordenite (1)
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yugawaralite (1)
-
-
-
orthosilicates
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nesosilicates
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andalusite (1)
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chloritoid (1)
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garnet group
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spessartine (1)
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kyanite (3)
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mullite (1)
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olivine group
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olivine (9)
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ringwoodite (1)
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phenakite group
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phenakite (1)
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willemite (2)
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sillimanite (3)
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titanite group
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titanite (4)
-
-
zircon group
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coffinite (2)
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zircon (114)
-
-
-
sorosilicates
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bertrandite (3)
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chevkinite group
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chevkinite (1)
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perrierite (2)
-
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epidote group
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allanite (2)
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epidote (4)
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piemontite (1)
-
-
pumpellyite group
-
pumpellyite (1)
-
-
-
-
ring silicates
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aquamarine (1)
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beryl (7)
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cordierite (1)
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emerald (5)
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tourmaline group
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dravite (1)
-
-
-
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 (17)
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clinochlore (1)
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sudoite (2)
-
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clay minerals
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beidellite (1)
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dickite (2)
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halloysite (1)
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kaolinite (21)
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montmorillonite (3)
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nontronite (1)
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smectite (33)
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vermiculite (4)
-
-
illite (47)
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margarite (1)
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mica group
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annite (2)
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biotite (10)
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fluor-phlogopite (1)
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glauconite (4)
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muscovite (21)
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paragonite (1)
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phengite (3)
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phlogopite (2)
-
-
pyrophyllite (3)
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rectorite (1)
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sepiolite (1)
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sericite (1)
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serpentine group
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antigorite (1)
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chrysotile (1)
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lizardite (2)
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serpentine (5)
-
-
talc (2)
-
tosudite (2)
-
-
-
sulfates
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alum (1)
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alunite (3)
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anhydrite (6)
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barite (6)
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celestine (3)
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coquimbite (1)
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glauberite (1)
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gypsum (8)
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hexahydrite (1)
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jarosite (4)
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kainite (1)
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polyhalite (1)
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voltaite (1)
-
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sulfides
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acanthite (2)
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aikinite (1)
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argentite (1)
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arsenopyrite (2)
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bismuthinite (1)
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bornite (1)
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carrollite (1)
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chalcopyrite (4)
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cooperite (1)
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copper sulfides (2)
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covellite (1)
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digenite (1)
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galena (10)
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greigite (1)
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iron sulfides (2)
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linnaeite (1)
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marcasite (1)
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molybdenite (2)
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polydymite (1)
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pyrite (21)
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pyrrhotite (4)
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stibnite (3)
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sulfosalts
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sulfantimonites
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freibergite (1)
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tetrahedrite (1)
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sulfarsenites
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proustite (2)
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sulfobismuthites
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berryite (2)
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gustavite (1)
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lillianite (1)
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matildite (3)
-
-
-
tellurides (1)
-
tungstates
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scheelite (1)
-
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uranium minerals (2)
-
-
Primary terms
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absolute age (228)
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academic institutions (7)
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Africa
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Central Africa
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Egypt
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asbestos deposits (1)
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Deep Sea Drilling Project
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IPOD
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Mesozoic
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Lower Cretaceous
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Lagoa Feia Formation (1)
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Mowry Shale (5)
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Muddy Sandstone (3)
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Paluxy Formation (1)
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Pearsall Formation (2)
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Rodessa Formation (2)
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Yingcheng Formation (1)
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Mancos Shale (3)
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Middle Cretaceous (8)
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Qingshankou Formation (3)
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Upper Cretaceous
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Almond Formation (1)
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Bagh Beds (1)
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Belly River Formation (2)
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Blackhawk Formation (2)
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Buda Limestone (3)
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Campanian
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Cerro del Pueblo Formation (1)
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Dinosaur Park Formation (1)
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lower Campanian (2)
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upper Campanian (4)
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Cardium Formation (5)
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Carlile Shale (2)
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Cenomanian
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lower Cenomanian (1)
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Coker Formation (1)
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Gulfian
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Austin Chalk (3)
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Olmos Formation (1)
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Woodbine Formation (1)
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Hell Creek Formation (2)
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Horseshoe Canyon Formation (3)
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Javelina Formation (1)
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Judith River Formation (3)
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K-T boundary (9)
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Maestrichtian
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lower Maestrichtian (3)
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upper Maestrichtian (3)
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Maevarano Formation (1)
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Magothy Formation (1)
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Mesaverde Group (3)
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Navesink Formation (6)
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Niobrara Formation (7)
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Oldman Formation (3)
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Pierre Shale (7)
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Prince Creek Formation (6)
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Ripley Formation (2)
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Rosario Formation (2)
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Senonian (19)
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Smoky Hill Chalk Member (2)
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Star Point Sandstone (1)
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Straight Cliffs Formation (1)
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Sussex Sandstone Member (1)
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Tropic Shale (1)
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Turonian
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middle Turonian (1)
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upper Turonian (1)
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Tuscaloosa Formation (4)
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Two Medicine Formation (3)
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Wahweap Formation (3)
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Vraconian (1)
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Franciscan Complex (5)
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Great Valley Sequence (2)
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Jurassic
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Lower Jurassic
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Mic Mac Formation (2)
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Opalinus Clay (1)
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Upper Jurassic
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Arab Formation (1)
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Brushy Basin Member (1)
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Cotton Valley Group (2)
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Entrada Sandstone (1)
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Galice Formation (1)
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Haynesville Formation (3)
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Kimmeridgian (3)
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Morrison Formation (6)
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Oxfordian (7)
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Salt Wash Sandstone Member (1)
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Schuler Formation (1)
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Smackover Formation (4)
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Tithonian (1)
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-
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lower Mesozoic (5)
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Moenave Formation (2)
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Navajo Sandstone (1)
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Newark Supergroup (7)
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Passaic Formation (3)
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Triassic
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Lower Triassic
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Permian-Triassic boundary (4)
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Spathian (2)
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Middle Triassic
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Anisian (2)
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Moenkopi Formation (2)
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Montney Formation (3)
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Narrabeen Group (2)
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Red Peak Formation (1)
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Shublik Formation (5)
-
Upper Triassic
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Carnian
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Ischigualasto Formation (1)
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Chinle Formation (13)
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Dockum Group (1)
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Lockatong Formation (3)
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Mercia Mudstone (3)
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Norian (9)
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Petrified Forest Member (2)
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Yanchang Formation (11)
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upper Mesozoic (2)
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Vaca Muerta Formation (5)
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Wingate Sandstone (1)
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metal ores
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metals
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uranium
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alkali metals
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cesium
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rubidium
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Rb-87/Sr-86 (1)
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sodium (2)
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alkaline earth metals
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Be-10 (22)
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calcium
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Mg/Ca (2)
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magnesium
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Mg/Ca (2)
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Mg-26/Mg-24 (1)
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radium
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Ra-226 (2)
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strontium
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Rb-87/Sr-86 (1)
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Sr-87/Sr-86 (36)
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-
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aluminum
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Al-26 (10)
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chromium (5)
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copper
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Cu-65 (2)
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gold (5)
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hafnium
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Hf-177/Hf-176 (8)
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iron
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Fe-56/Fe-54 (1)
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ferric iron (1)
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ferrous iron (2)
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lead
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Pb-206/Pb-204 (9)
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Pb-210 (6)
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U-238/Pb-204 (1)
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manganese (8)
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platinum group
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iridium (1)
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rare earths
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neodymium
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Nd-144/Nd-143 (12)
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samarium
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Sm-147/Nd-144 (2)
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Re-187/Os-188 (1)
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silver (8)
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technetium
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metamorphic rocks
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phyllites (5)
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muscovite schist (1)
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slates (2)
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metamorphism (97)
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meteorites
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meteorology (1)
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Mexico
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micropaleontology (2)
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Moon (4)
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N-15/N-14 (10)
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noble gases
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Ar-36 (1)
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helium
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He-4 (1)
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krypton
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Kr-84 (1)
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neon
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Ne-21 (1)
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radon
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Rn-222 (1)
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nodules (2)
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North America
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Appalachian Basin (120)
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Northern Hemisphere (1)
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Ocean Drilling Program
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Leg 108
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ODP Site 659 (1)
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ODP Site 661 (1)
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ODP Site 667 (1)
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Leg 110
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ODP Site 672 (1)
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Leg 122
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ODP Site 761 (1)
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ODP Site 763 (1)
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Leg 123
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ODP Site 765 (1)
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Leg 124
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ODP Site 767 (1)
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Leg 154
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ODP Site 925 (1)
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Leg 156
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ODP Site 948 (1)
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ODP Site 949 (1)
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Leg 160 (1)
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Leg 166
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ODP Site 1006 (1)
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Leg 174A
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ODP Site 1073 (1)
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Leg 174AX
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Cape May Zoo Site (1)
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Leg 184
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ODP Site 1148 (1)
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Leg 198
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ODP Site 1209 (1)
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ODP Site 1210 (1)
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Leg 204 (1)
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Leg 208
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ODP Site 1262 (2)
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ocean floors (28)
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Coral Sea
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Pacific region
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Paleozoic
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Orr Formation (2)
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Carboniferous
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Albert Formation (1)
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Lower Carboniferous
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Barnett Shale (21)
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Charles Formation (1)
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Lower Mississippian
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Lodgepole Formation (3)
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Osagian
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Pocono Formation (6)
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Tournaisian (3)
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Madison Group (4)
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Middle Mississippian
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Visean
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Mission Canyon Limestone (1)
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Price Formation (4)
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Upper Mississippian
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Chesterian
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Imo Formation (3)
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Fayetteville Formation (5)
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Heath Formation (1)
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Mauch Chunk Formation (4)
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Meramecian
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Saint Louis Limestone (2)
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Monteagle Limestone (1)
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Pennington Formation (3)
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Serpukhovian (8)
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Valmeyeran (1)
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Namurian (6)
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Pennsylvanian
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Brazil Formation (1)
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Francis Creek Shale (1)
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Joggins Formation (2)
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Lower Pennsylvanian
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Caseyville Formation (1)
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Lee Formation (1)
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Morrowan (2)
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Mary Lee Coal (2)
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Middle Pennsylvanian
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Atokan
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Atoka Formation (2)
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Carbondale Formation (2)
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Desmoinesian
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Monongahela Group (7)
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Upper Pennsylvanian
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Missourian
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Virgilian
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Upper Carboniferous
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Catskill Formation (13)
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Chattanooga Shale (6)
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Devonian
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Lower Devonian
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Oriskany Sandstone (27)
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Middle Devonian
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Hamilton Group (17)
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Jeffersonville Limestone (1)
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Mahantango Formation (10)
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Marcellus Shale (68)
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Sylvania Formation (2)
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Tioga Bentonite (4)
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Millboro Shale (3)
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Old Red Sandstone (12)
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Popovich Formation (2)
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Upper Devonian
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Brallier Shale (5)
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Chemung Formation (5)
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Famennian
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Ohio Shale (12)
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Waterways Formation (1)
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lower Paleozoic
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Maroon Formation (1)
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middle Paleozoic
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Hillabee Chlorite Schist (1)
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New Albany Shale (9)
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Ordovician
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Lower Ordovician
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Majiagou Formation (1)
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Middle Ordovician
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Normanskill Formation (2)
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Platteville Formation (2)
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Saint Peter Sandstone (3)
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Whiterockian (3)
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Pogonip Group (1)
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Trenton Group (18)
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Upper Ordovician
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Cincinnatian
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Fairview Formation (1)
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Juniata Formation (6)
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Katian (13)
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Kope Formation (1)
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Maquoketa Formation (1)
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Mohawkian (4)
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Queenston Shale (5)
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Red River Formation (2)
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Reedsville Formation (3)
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Sandbian (4)
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Trentonian (10)
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Whitewater Formation (1)
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Wufeng Formation (12)
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Yeoman Formation (1)
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Utica Shale (17)
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Viola Limestone (3)
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Paganzo Group (1)
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Permian
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Chase Group (1)
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Coconino Sandstone (1)
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Eskridge Shale (1)
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Guadalupian
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Queen Formation (1)
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Seven Rivers Formation (1)
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Tansill Formation (1)
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Wordian (2)
-
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Kaibab Formation (2)
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Longtan Formation (3)
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Lower Permian
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Abo Formation (1)
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Barakar Stage (2)
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Cherry Canyon Formation (1)
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Cisuralian
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Artinskian (3)
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Asselian (3)
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Leonardian
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Clear Fork Group (1)
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Qixia Formation (1)
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Wolfcampian
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Hueco Limestone (1)
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-
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Lyons Sandstone (1)
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Maokou Formation (1)
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Meade Peak Member (1)
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Middle Permian (2)
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Park City Formation (1)
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Phosphoria Formation (1)
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Retort Phosphatic Shale Member (1)
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Rotliegendes (4)
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Stearns Shale (1)
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Toroweap Formation (1)
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Upper Permian
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Changxing Formation (1)
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Kazanian (1)
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Permian-Triassic boundary (4)
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Zechstein (2)
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Whitehill Formation (1)
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Yates Formation (1)
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Petersburg Granite (1)
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Rangeley Formation (1)
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Ringerike Sandstone (1)
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Sauk Sequence (4)
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Shawangunk Formation (2)
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Silurian
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Bass Islands Dolomite (1)
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Clinch Sandstone (1)
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Henryhouse Formation (1)
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Lockport Formation (4)
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Lower Silurian
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Grimsby Sandstone (1)
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Llandovery
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Aberystwyth Grits (1)
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Aeronian (2)
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Rhuddanian (2)
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Telychian (1)
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Qalibah Formation (1)
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Tuscarora Formation (11)
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Wenlock
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Homerian (2)
-
-
Whirlpool Sandstone (3)
-
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Middle Silurian
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Clinton Group (9)
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Keefer Sandstone (2)
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McKenzie Formation (3)
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Roberts Mountains Formation (1)
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Rochester Formation (1)
-
Rose Hill Formation (3)
-
-
Niagaran (6)
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Upper Silurian
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Bloomsburg Formation (2)
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Cayugan
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Tonoloway Limestone (4)
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Williamsport Sandstone (1)
-
-
Ludlow (4)
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Pridoli (3)
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Salina Group (9)
-
-
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Supai Formation (1)
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Taiyuan Formation (1)
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Talladega Group (1)
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Tensleep Sandstone (2)
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upper Paleozoic
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Admire Group (1)
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Antrim Shale (3)
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Arkansas Novaculite (1)
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Bakken Formation (4)
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Dwyka Formation (1)
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Fountain Formation (1)
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Kaskaskia Sequence (1)
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Kiaman Superchron (1)
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Pictou Group (1)
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Shanxi Formation (1)
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Weber Sandstone (1)
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Wissahickon Formation (5)
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Woodford Shale (10)
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palynology (1)
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Dinoflagellata
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Deflandrea (1)
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paragenesis (46)
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petroleum
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shale gas (64)
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shale oil (19)
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petrology (50)
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Phanerozoic (11)
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phase equilibria (18)
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phosphorus (7)
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placers
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Plantae
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algae
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calcareous algae (1)
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Chlorophyta
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Charophyta (4)
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Coccolithophoraceae
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diatoms (8)
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Rhodophyta
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Corallinaceae
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Lithothamnium (1)
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Pteridophyta
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Filicopsida
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Lycopsida
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Sphenopsida
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Equisetales
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Calamites (1)
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Spermatophyta
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Angiospermae
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Dicotyledoneae
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Myrtaceae
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Monocotyledoneae
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Palmae (1)
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Gymnospermae
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Coniferales
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Taxodiaceae
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Metasequoia (1)
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Cordaitales
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Cordaites (4)
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Ginkgoales
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Ginkgo (1)
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Glossopteridales
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Glossopteris (1)
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Pteridospermae
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Neuropteris (1)
-
-
-
-
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plate tectonics (172)
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pollution (79)
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potash (1)
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Precambrian
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Adirondack Anorthosite (1)
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Archean
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Iron Ore Group (1)
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J-M Reef (1)
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Napier Complex (1)
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Neoarchean (3)
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Baltimore Gneiss (3)
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Catoctin Formation (2)
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Chuar Group (2)
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Delhi Supergroup (1)
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Eocambrian (1)
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Great Smoky Group (1)
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Gunflint Iron Formation (1)
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Johnnie Formation (1)
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Kingston Peak Formation (2)
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Luoquan Formation (1)
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middle Precambrian (1)
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Nonesuch Shale (4)
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Noonday Dolomite (2)
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Pahrump Series (3)
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Stirling Quartzite (2)
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Transvaal Supergroup (2)
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Uinta Mountain Group (2)
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upper Precambrian
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Mahakoshal Group (1)
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Proterozoic
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Banded Gneissic Complex (1)
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Bitter Springs Formation (1)
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Huronian
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Gowganda Formation (1)
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Keweenawan
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Copper Harbor Conglomerate (2)
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Lewisian (2)
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Mesoproterozoic
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Aldridge Formation (1)
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Belt Supergroup (1)
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Helikian (1)
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Revett Quartzite (1)
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Wallace Formation (1)
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Miette Group (1)
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Neoproterozoic
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Cryogenian (3)
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Ediacaran (13)
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Lynchburg Formation (1)
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Tonian (1)
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Walden Creek Group (1)
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Oronto Group (1)
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Paleoproterozoic
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Hemlock Formation (1)
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Qinling Group (1)
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Rustenburg Layered Suite (1)
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Wollaston Group (1)
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Windermere System (2)
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Witwatersrand Supergroup (1)
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problematic fossils
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chemically precipitated rocks
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chert (17)
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clastic rocks
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argillite (1)
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Esmeralda County Nevada (3)
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New Mexico
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New York
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Finger Lakes
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Newark Basin (12)
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North Carolina
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North Dakota
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Ohio
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Ohio River (3)
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Oklahoma
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Oregon
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Pennsylvania
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South Carolina
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South Dakota
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Tennessee
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Texas
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Amarillo Uplift (1)
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U. S. Rocky Mountains
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Utah
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Vermont
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Virginia
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Washington
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West Virginia
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Western U.S. (27)
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Wisconsin
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Wyoming
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USSR (3)
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waste disposal (28)
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water resources (16)
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waterways (2)
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weathering (61)
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well-logging (28)
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West Pacific Ocean Islands
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Western Hemisphere (1)
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X-ray analysis (3)
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rock formations
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Beaufort Group (1)
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Beaverhead Formation (3)
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Chugwater Formation (1)
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Davis Formation (1)
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Deccan Traps (1)
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Denver Formation (2)
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Emeishan Basalts (2)
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Eureka Sound Group (2)
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Fort Union Formation (6)
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Gates Formation (1)
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Ivishak Formation (1)
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Karoo Supergroup (7)
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Krol Formation (1)
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La Quinta Formation (1)
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Little Falls Formation (2)
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Medina Formation (16)
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Potrerillos Formation (1)
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Raton Formation (1)
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Rundle Group (2)
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San Andres Formation (2)
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Wood Canyon Formation (7)
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sedimentary rocks
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calcrete (3)
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floatstone (2)
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sedimentary rocks
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carbonate rocks
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limestone
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micrite (6)
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packstone (8)
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chemically precipitated rocks
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chert (17)
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salt (7)
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clastic rocks
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arenite
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litharenite (3)
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argillite (1)
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arkose (5)
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black shale (58)
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claystone (11)
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conglomerate
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diamictite (8)
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eolianite (2)
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Journal Article
VERTEBRATE TAPHONOMY, PALEONTOLOGY, SEDIMENTOLOGY, AND PALYNOLOGY OF A FOSSILIFEROUS LATE DEVONIAN FLUVIAL SUCCESSION, CATSKILL FORMATION, NORTH-CENTRAL PENNSYLVANIA, USA
DAVID R. BROUSSARD, CAYLA J. TREASTER, JEFFREY M. TROP, EDWARD B. DAESCHLER, PIERRE A. ZIPPI, MATTHEW B. VRAZO, MICHAEL C. RYGEL
Journal: PALAIOS
Publisher: SEPM Society for Sedimentary Geology
Published: 04 December 2020
PALAIOS (2020) 35 (11): 470–494.
... of Blossburg and Covington, in north-central Pennsylvania, contains abundant macrofossils and sedimentary features, making it well-suited for linking Upper Devonian fossil occurrences with depositional environments and sedimentary processes. Strata consist of two distinct fluvial facies: floodplain lithofacies...
Journal Article
Geomorphic response to catastrophic flooding in north-central Pennsylvania from Tropical Storm Lee (September 2011): Intersection of fluvial disequilibrium and the legacy of logging
Journal: Geosphere
Publisher: Geological Society of America
Published: 01 February 2016
Geosphere (2016) 12 (1): 305–345.
... Susquehanna River tributaries emanating from the Appalachian Plateau in north-central Pennsylvania (USA). Helicopter photography and field work were used to prepare a detailed geographic information system database of geomorphic response to the flood along ∼250 km of Loyalsock, Muncy, Lycoming, and Fishing...