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all geography including DSDP/ODP Sites and Legs
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Africa
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Afar (1)
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Cape Verde Islands (1)
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Central Africa
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Angola
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Catanda Angola (1)
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Congo (1)
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East Africa
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Kenya (2)
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Olduvai Gorge (2)
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Japan
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Pranhita-Godavari Valley (2)
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Nepal
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Pakistan
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Baluchistan Pakistan (1)
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Indus-Yarlung Zangbo suture zone (1)
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Irkutsk Russian Federation (1)
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Kamchatka Russian Federation
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water resources (6)
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zeolite deposits (1)
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elements, isotopes
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carbon
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organic carbon (49)
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chemical elements (4)
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chemical ratios (22)
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chloride ion (1)
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fluorine (1)
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iodine
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I-129 (3)
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-
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hydrogen
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D/H (44)
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incompatible elements (1)
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isotope ratios (339)
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Al-26 (6)
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Al-27/Al-26 (1)
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Am-241 (1)
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Be-10 (18)
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C-14 (53)
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Cs-137 (4)
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Pb-206/Pb-204 (12)
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Pb-207/Pb-204 (8)
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Pb-208/Pb-204 (5)
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Pb-210 (3)
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Ra-226 (1)
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Rn-222 (1)
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Sm-147/Nd-144 (2)
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tritium (1)
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-
U-238/U-234 (1)
-
-
stable isotopes
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Al-27/Al-26 (1)
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Ar-40 (1)
-
Ar-40/Ar-36 (3)
-
Ar-40/Ar-39 (2)
-
B-11/B-10 (4)
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Be-10/Be-9 (1)
-
C-13 (4)
-
C-13/C-12 (177)
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C-14/C-12 (1)
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Ca-44/Ca-40 (1)
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D/H (44)
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deuterium (11)
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Fe-56 (1)
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Fe-56/Fe-54 (4)
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He-3 (2)
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He-4 (2)
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He-4/He-3 (4)
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Hf-177/Hf-176 (14)
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Mg-25/Mg-24 (1)
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N-15/N-14 (13)
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Nd-144/Nd-143 (27)
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Os-188/Os-187 (5)
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Pb-207/Pb-204 (8)
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Pb-208/Pb-204 (5)
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Rb-87/Sr-86 (2)
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Re-187/Os-188 (1)
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S-33/S-32 (5)
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S-34/S-32 (40)
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S-36 (1)
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Si-30/Si-28 (2)
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Sm-147/Nd-144 (2)
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Sr-87/Sr-86 (59)
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large-ion lithophile elements (1)
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alkali metals
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cesium
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Cs-137 (4)
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lithium
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Li-6 (1)
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potassium (14)
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rubidium
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Rb-87/Sr-86 (2)
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sodium (9)
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alkaline earth metals
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barium (6)
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beryllium
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Be-10 (18)
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calcium
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Sr/Ca (3)
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magnesium
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Mg-25/Mg-24 (1)
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Mg-26/Mg-24 (3)
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radium
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Ra-226 (1)
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strontium
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Rb-87/Sr-86 (2)
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Sr/Ca (3)
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Sr-87/Sr-86 (59)
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-
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aluminum
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antimony (2)
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gold (16)
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hafnium
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iron
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lead
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Pb-206 (1)
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nitrogen
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noble gases
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helium
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neon
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radon
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Rn-222 (1)
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oxygen
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dissolved oxygen (6)
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O-17/O-16 (3)
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O-18 (2)
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O-18/O-16 (193)
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phosphorus (7)
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Si-30/Si-28 (2)
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sulfur
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organic sulfur (2)
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S-33/S-32 (5)
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S-34/S-32 (40)
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S-36 (1)
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fossils
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Osteichthyes
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Perciformes (1)
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Sarcopterygii
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Tetrapoda
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Mammalia
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Carnivora
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Primates
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Proboscidea
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Gomphotheriidae (1)
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Rodentia
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Metatheria
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Reptilia
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Diapsida
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Ornithopoda
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Saurischia
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Theropoda (1)
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Sauropterygia
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coprolites (5)
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Invertebrata
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Mandibulata
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Insecta
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Exopterygota
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Myriapoda (3)
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Brachiopoda
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Inarticulata
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Echinodermata
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Nuculanidae (1)
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Crassostrea virginica (1)
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Pterioida
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Cephalopoda
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Coleoidea
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Orbitoidacea
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Textulariina
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Radiolaria (17)
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geologic age
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-
middle Pleistocene (4)
-
upper Pleistocene
-
Devensian
-
upper Devensian (1)
-
-
Lake Iroquois (1)
-
Sangamonian (1)
-
Weichselian
-
Loch Lomond Stade (1)
-
upper Weichselian
-
Allerod (1)
-
Bolling (1)
-
Younger Dryas (8)
-
-
-
Wisconsinan
-
lower Wisconsinan (1)
-
middle Wisconsinan (1)
-
upper Wisconsinan
-
Fraser Glaciation (1)
-
-
-
-
-
upper Quaternary
-
Bull Lake Glaciation (1)
-
-
-
Saugus Formation (1)
-
Stone Age
-
Neolithic (2)
-
-
Tertiary
-
Arikareean (1)
-
Asmari Formation (1)
-
Challis Volcanics (2)
-
Esna Shale (1)
-
Florissant Lake Beds (3)
-
John Day Formation (2)
-
Lincoln Creek Formation (1)
-
lower Tertiary (8)
-
Maikop Series (1)
-
middle Tertiary
-
Soda Lake Shale Member (1)
-
-
Muddy Creek Formation (1)
-
Neogene
-
Bidahochi Formation (2)
-
Browns Park Formation (1)
-
Capistrano Formation (1)
-
Furnace Creek Formation (1)
-
Hemphillian (1)
-
Miocene
-
Antelope Shale (3)
-
Ash Hollow Formation (1)
-
Astoria Formation (1)
-
Barstovian (1)
-
Calvert Formation (1)
-
Clarendonian (1)
-
Columbia River Basalt Group (11)
-
Grande Ronde Basalt (2)
-
lower Miocene
-
Aquitanian (1)
-
Saucesian (1)
-
-
middle Miocene
-
Badenian (1)
-
Choptank Formation (1)
-
Luisian (1)
-
-
Mohnian (2)
-
Oficina Formation (1)
-
Pungo River Formation (1)
-
Relizian (1)
-
Saddle Mountains Basalt (2)
-
upper Miocene
-
Baynunah Formation (1)
-
Modelo Formation (1)
-
Mount Messenger Formation (1)
-
Pannonian (1)
-
Puente Formation (1)
-
Santa Margarita Formation (1)
-
Tortonian (2)
-
-
Wanapum Basalt (1)
-
Yakima Basalt (1)
-
-
Ogallala Formation (3)
-
Pliocene
-
lower Pliocene
-
Zanclean (1)
-
-
upper Pliocene (5)
-
-
Ringold Formation (1)
-
Sisquoc Formation (1)
-
upper Neogene (1)
-
-
Paleogene
-
Chadron Formation (2)
-
Duchesne River Formation (3)
-
Eocene
-
Absaroka Supergroup (4)
-
Bridger Formation (2)
-
Bridgerian (1)
-
Chuckanut Formation (3)
-
Chumstick Formation (6)
-
Clarno Formation (1)
-
Colton Formation (4)
-
Crescent Formation (2)
-
Flournoy Formation (2)
-
Green River Formation (34)
-
Lake Uinta (4)
-
lower Eocene
-
Hatchetigbee Formation (2)
-
Wasatchian (1)
-
Ypresian
-
London Clay (1)
-
-
-
middle Eocene
-
Bartonian (1)
-
Claiborne Group (2)
-
Laney Shale Member (1)
-
Tyee Formation (6)
-
-
Parachute Creek Member (1)
-
Swauk Formation (2)
-
Umpqua Formation (2)
-
upper Eocene
-
Chadronian (2)
-
Cowlitz Formation (1)
-
La Meseta Formation (4)
-
Uinta Formation (2)
-
-
Wilkins Peak Member (1)
-
-
Flagstaff Formation (2)
-
Hanna Formation (4)
-
Kenai Group (1)
-
lower Paleogene (5)
-
Oligocene
-
Brule Formation (2)
-
Frio Formation (1)
-
Hemlock Conglomerate (1)
-
lower Oligocene
-
Rupelian (1)
-
-
Suwannee Limestone (1)
-
upper Oligocene
-
Chattian (1)
-
-
-
Orca Group (1)
-
Paleocene
-
Clayton Formation (1)
-
lower Paleocene
-
Danian (2)
-
K-T boundary (21)
-
Puercan (1)
-
Torrejonian (1)
-
-
middle Paleocene
-
Selandian (1)
-
-
Nacimiento Formation (1)
-
Porters Creek Formation (1)
-
Tongue River Member (1)
-
upper Paleocene
-
Thanetian (2)
-
Tiffanian (2)
-
-
-
Paleocene-Eocene Thermal Maximum (3)
-
Renova Formation (2)
-
Tyonek Formation (1)
-
upper Paleogene (2)
-
Wasatch Formation (10)
-
White River Group (6)
-
Wilcox Group (4)
-
-
Shahejie Formation (2)
-
upper Tertiary (3)
-
Vaqueros Formation (1)
-
Zambales Ophiolite (1)
-
-
upper Cenozoic
-
Gubik Formation (1)
-
Pico Formation (1)
-
Pinecrest Beds (1)
-
Tamiami Formation (1)
-
-
Yakataga Formation (1)
-
-
Coal Measures (6)
-
Dalradian (1)
-
Lake Bonneville (1)
-
Laurentide ice sheet (12)
-
Mesozoic
-
Cretaceous
-
Alisitos Formation (2)
-
Blairmore Group (6)
-
Bulldog Shale (1)
-
Chatsworth Formation (1)
-
Colorado Group (4)
-
Comanchean
-
Edwards Formation (2)
-
Paluxy Formation (1)
-
-
Dakota Formation (8)
-
Graneros Shale (2)
-
Logan Canyon Formation (1)
-
Lower Cretaceous
-
Albian
-
lower Albian (2)
-
upper Albian (7)
-
-
Aptian
-
lower Aptian (1)
-
Shuaiba Formation (2)
-
-
Barremian (8)
-
Bear River Formation (1)
-
Berriasian (2)
-
Bluesky Formation (1)
-
Burro Canyon Formation (2)
-
Cadomin Formation (2)
-
Cedar Mountain Formation (1)
-
Christopher Formation (2)
-
Clearwater Formation (1)
-
Cloverly Formation (2)
-
Edwards Formation (2)
-
Gething Formation (1)
-
Hauterivian (4)
-
Kootenay Formation (2)
-
Lagoa Feia Formation (1)
-
Mannville Group (9)
-
McMurray Formation (9)
-
Mesa Rica Sandstone (1)
-
Moosebar Formation (1)
-
Mowry Shale (6)
-
Muddy Sandstone (2)
-
Neocomian (2)
-
Paluxy Formation (1)
-
Skull Creek Shale (3)
-
Speeton Clay (1)
-
Spirit River Formation (8)
-
Torok Formation (1)
-
Valanginian (2)
-
Wealden (2)
-
-
Lower Greensand (2)
-
Mancos Shale (10)
-
Middle Cretaceous
-
Winton Formation (2)
-
-
Nanushuk Group (3)
-
Natih Formation (1)
-
Nenjiang Formation (1)
-
Potomac Group (2)
-
Qingshankou Formation (2)
-
Shiranish Formation (1)
-
Toolebuc Formation (1)
-
Upper Cretaceous
-
Almond Formation (2)
-
Bagh Beds (1)
-
Bearpaw Formation (3)
-
Belly River Formation (2)
-
Blackhawk Formation (6)
-
Campanian
-
lower Campanian (1)
-
upper Campanian (2)
-
-
Cardium Formation (5)
-
Carlile Shale (3)
-
Castlegate Sandstone (7)
-
Cenomanian
-
Dunvegan Formation (3)
-
lower Cenomanian (1)
-
upper Cenomanian (2)
-
-
Codell Sandstone Member (1)
-
Colville Group (2)
-
Coniacian
-
lower Coniacian (1)
-
-
Eutaw Formation (1)
-
Ferron Sandstone Member (2)
-
Forbes Formation (1)
-
Fort Hays Limestone Member (1)
-
Fox Hills Formation (4)
-
Frontier Formation (5)
-
Ghareb Formation (1)
-
Greenhorn Limestone (2)
-
Gulfian
-
Austin Chalk (1)
-
Eagle Ford Formation (2)
-
-
Hell Creek Formation (5)
-
Holz Shale (1)
-
Horseshoe Canyon Formation (1)
-
Judith River Formation (1)
-
Kanguk Formation (4)
-
Kirtland Shale (1)
-
K-T boundary (21)
-
Ladd Formation (1)
-
Lance Formation (3)
-
Laramie Formation (3)
-
Lewis Shale (3)
-
Maestrichtian
-
lower Maestrichtian (2)
-
upper Maestrichtian (3)
-
-
Marca Shale Member (1)
-
Marilia Formation (2)
-
Mesaverde Group (9)
-
Milk River Formation (1)
-
Niobrara Formation (12)
-
Oldman Formation (2)
-
Parkman Sandstone (1)
-
Pierre Shale (10)
-
Point Loma Formation (1)
-
Prince Creek Formation (1)
-
Ripley Formation (1)
-
Rosario Formation (4)
-
Saint Mary River Formation (1)
-
Santonian (13)
-
Senonian (35)
-
Smoky Hill Chalk Member (1)
-
Star Point Sandstone (1)
-
Tuolumne Intrusive Suite (1)
-
Turonian
-
lower Turonian (3)
-
upper Turonian (2)
-
-
Tuscaloosa Formation (2)
-
Williams Fork Formation (8)
-
Wyandot Formation (2)
-
-
Valdez Group (1)
-
Viking Formation (1)
-
Whitemud Formation (1)
-
Yezo Group (2)
-
-
Franciscan Complex (3)
-
Great Valley Sequence (3)
-
Jurassic
-
Bazhenov Formation (3)
-
Bonanza Group (2)
-
Carmel Formation (1)
-
Clarens Formation (1)
-
Fernie Formation (7)
-
Ferrar Group (1)
-
Heather Formation (2)
-
Kingak Shale (1)
-
Lower Jurassic
-
Dunlin Group (1)
-
Hettangian (2)
-
lower Liassic (1)
-
middle Liassic (1)
-
Nordegg Member (3)
-
Pliensbachian (4)
-
Sinemurian (1)
-
Sunrise Formation (1)
-
Toarcian (4)
-
Triassic-Jurassic boundary (1)
-
upper Liassic (2)
-
-
Middle Jurassic
-
Aalenian (2)
-
Bajocian
-
Brent Group (1)
-
-
Bathonian (2)
-
Callovian (6)
-
Dogger (1)
-
Page Sandstone (1)
-
Todilto Formation (1)
-
Walloon Coal Measures (1)
-
-
Norphlet Formation (4)
-
Opalinus Clay (1)
-
Upper Jurassic
-
Arab Formation (4)
-
Brushy Basin Member (1)
-
Hanifa Formation (2)
-
Haynesville Formation (1)
-
Josephine Ophiolite (1)
-
Kimmeridge Clay (6)
-
Kimmeridgian
-
upper Kimmeridgian (1)
-
-
Morrison Formation (9)
-
Naknek Formation (4)
-
Oxfordian
-
lower Oxfordian (1)
-
-
Portlandian (1)
-
Salt Wash Sandstone Member (1)
-
Smackover Formation (2)
-
Sundance Formation (3)
-
Tithonian (3)
-
Volgian (2)
-
-
-
Kayenta Formation (1)
-
lower Mesozoic (3)
-
Mist Mountain Formation (1)
-
Navajo Sandstone (3)
-
Newark Supergroup (1)
-
Nugget Sandstone (1)
-
Pucara Group (1)
-
Triassic
-
Charlie Lake Formation (3)
-
Lower Triassic
-
Dinwoody Formation (2)
-
Olenekian (1)
-
Permian-Triassic boundary (8)
-
-
Middle Triassic
-
Anisian (1)
-
Doig Formation (8)
-
Ladinian (1)
-
-
Moenkopi Formation (2)
-
Montney Formation (6)
-
Red Peak Formation (1)
-
Sherwood Sandstone (4)
-
Shublik Formation (1)
-
Upper Triassic
-
Baldonnel Formation (1)
-
Carnian (1)
-
Chinle Formation (6)
-
Karmutsen Group (1)
-
Mercia Mudstone (5)
-
Molteno Formation (1)
-
Norian (3)
-
Pardonet Formation (1)
-
Rhaetian
-
Penarth Group (1)
-
-
Sag River Sandstone (2)
-
Shinarump Member (1)
-
Stormberg Series (1)
-
Triassic-Jurassic boundary (1)
-
Yanchang Formation (3)
-
-
-
upper Mesozoic (2)
-
Vaca Muerta Formation (2)
-
Yanshanian (1)
-
-
MIS 2 (2)
-
MIS 3 (2)
-
MIS 5 (2)
-
MIS 6 (2)
-
MIS 7 (1)
-
Paleozoic
-
Acatlan Complex (1)
-
Arbuckle Group (1)
-
Berea Sandstone (3)
-
Cambrian
-
Carrara Formation (1)
-
Conasauga Group (1)
-
Kanmantoo Group (1)
-
Lower Cambrian
-
Chilhowee Group (2)
-
Murphy Marble (1)
-
-
Middle Cambrian
-
Burgess Shale (1)
-
Flathead Sandstone (2)
-
-
Mount Read Volcanics (1)
-
Upper Cambrian
-
Eau Claire Formation (2)
-
Mount Simon Sandstone (5)
-
Potsdam Sandstone (2)
-
Reagan Sandstone (1)
-
-
-
Carboniferous
-
Albert Formation (2)
-
Bartlesville Sand (1)
-
Big Snowy Group (1)
-
Jackfork Group (3)
-
Lower Carboniferous
-
Asbian (4)
-
Dinantian (7)
-
-
Mabou Group (2)
-
Middle Carboniferous (2)
-
Mississippian
-
Barnett Shale (1)
-
Big Injun Sandstone (1)
-
Charles Formation (2)
-
Leadville Formation (1)
-
Lower Mississippian
-
Fort Payne Formation (1)
-
Kayak Shale (1)
-
Kekiktuk Conglomerate (1)
-
Kinderhookian
-
Banff Formation (3)
-
-
Lodgepole Formation (6)
-
Osagian
-
Burlington Limestone (2)
-
Keokuk Limestone (1)
-
-
Pocono Formation (1)
-
Tournaisian (3)
-
-
Macumber Formation (1)
-
Madison Group (8)
-
Middle Mississippian
-
Visean
-
Great Scar Limestone (1)
-
upper Visean (1)
-
-
-
Mission Canyon Limestone (1)
-
Newman Limestone (1)
-
Stanley Group (1)
-
Upper Mississippian
-
Bangor Limestone (1)
-
Chesterian
-
Aux Vases Sandstone (1)
-
Renault Formation (1)
-
-
Fayetteville Formation (1)
-
Greenbrier Limestone (1)
-
Hartselle Sandstone (2)
-
Heath Formation (1)
-
Meramecian
-
Sainte Genevieve Limestone (1)
-
Salem Limestone (1)
-
-
Monteagle Limestone (1)
-
Pennington Formation (2)
-
Serpukhovian (2)
-
Tuscumbia Limestone (1)
-
-
Valmeyeran (1)
-
Windsor Group (3)
-
-
Namurian (6)
-
Pennsylvanian
-
Conemaugh Group (1)
-
Hermosa Group (1)
-
Lower Pennsylvanian
-
Bashkirian (2)
-
Morrowan (1)
-
-
Mattoon Formation (1)
-
Middle Pennsylvanian
-
Allegheny Group (1)
-
Atokan
-
Atoka Formation (2)
-
-
Carbondale Formation (1)
-
Desmoinesian
-
Boggy Shale (1)
-
Cherokee Group (1)
-
Krebs Group (1)
-
Marmaton Group (1)
-
-
Kanawha Formation (1)
-
Moscovian (2)
-
Paradox Formation (2)
-
Tradewater Formation (1)
-
-
Minturn Formation (1)
-
Springfield Coal Member (1)
-
Upper Pennsylvanian
-
Glenshaw Formation (1)
-
Gzhelian (3)
-
Kasimovian (3)
-
Missourian
-
Kansas City Group (1)
-
Lansing Group (2)
-
Rock Lake Shale Member (1)
-
Stanton Formation (1)
-
-
Virgilian
-
Douglas Group (6)
-
Lawrence Formation (2)
-
Shawnee Group (2)
-
Tonganoxie Sandstone (3)
-
Wabaunsee Group (1)
-
-
-
-
Springer Formation (1)
-
Upper Carboniferous
-
Millstone Grit (3)
-
Stephanian (3)
-
Westphalian (5)
-
-
-
Casper Formation (2)
-
Catskill Formation (3)
-
Chattanooga Shale (1)
-
Cow Head Group (1)
-
Deadwood Formation (1)
-
Devonian
-
Beaverhill Lake Group (1)
-
Keg River Formation (3)
-
Levis Shale (1)
-
Lower Devonian
-
Dittonian (1)
-
Emsian (2)
-
Littleton Formation (1)
-
Lochkovian (4)
-
Oriskany Sandstone (2)
-
Pragian (1)
-
York River Formation (1)
-
-
Middle Devonian
-
Dundee Limestone (1)
-
Eifelian (4)
-
Elk Point Group (1)
-
Givetian
-
Horn Plateau Formation (1)
-
-
Hamilton Group (3)
-
Ludlowville Formation (1)
-
Mahantango Formation (2)
-
Marcellus Shale (4)
-
Nahanni Formation (1)
-
Prairie Evaporite (1)
-
Sulphur Point Formation (1)
-
Tioga Bentonite (2)
-
Tully Limestone (1)
-
Winnipegosis Formation (2)
-
-
Millboro Shale (1)
-
Old Red Sandstone (6)
-
Popovich Formation (1)
-
Ramparts Formation (1)
-
Slave Point Formation (2)
-
Upper Devonian
-
Brallier Shale (1)
-
Domanik Formation (1)
-
Duperow Formation (1)
-
Famennian (3)
-
Frasnian
-
Leduc Formation (3)
-
-
Grosmont Formation (4)
-
Nisku Formation (3)
-
Palliser Formation (1)
-
-
Upper Old Red Sandstone (1)
-
Waterways Formation (2)
-
-
Earn Group (1)
-
Exshaw Formation (4)
-
Honaker Trail Formation (1)
-
Horton Group (5)
-
Hunton Group (1)
-
Ishbel Group (1)
-
Lisburne Group (2)
-
lower Paleozoic
-
Cape Phillips Formation (1)
-
Penobscot Formation (1)
-
Rose Run Sandstone (1)
-
-
Maroon Formation (3)
-
middle Paleozoic (4)
-
Minnelusa Formation (1)
-
New Albany Shale (3)
-
Ordovician
-
Catoche Formation (1)
-
Ely Springs Dolomite (1)
-
Gualcamayo Formation (1)
-
Lower Ordovician
-
Arenigian (2)
-
Beekmantown Group (3)
-
Ellenburger Group (1)
-
Ibexian (1)
-
Kindblade Formation (2)
-
Saint George Group (1)
-
Tremadocian (4)
-
-
Martinsburg Formation (2)
-
Meguma Group (1)
-
Middle Ordovician
-
Black River Group (1)
-
Bromide Formation (1)
-
Champlainian (1)
-
Chazyan (2)
-
Darriwilian (2)
-
Deicke Bentonite Bed (1)
-
Galena Dolomite (1)
-
Llanvirnian (1)
-
Normanskill Formation (1)
-
Simpson Group (1)
-
Table Head Group (2)
-
Whiterockian (1)
-
-
Trenton Group (2)
-
Upper Ordovician
-
Bighorn Dolomite (1)
-
Caradocian (3)
-
Cincinnatian
-
Richmondian (1)
-
-
Edenian
-
Eden Shale (1)
-
-
Hirnantian (1)
-
Katian (1)
-
Maquoketa Formation (2)
-
Mohawkian (2)
-
Trentonian (2)
-
Yeoman Formation (1)
-
-
Utica Shale (2)
-
Viola Limestone (2)
-
-
Permian
-
Castile Formation (4)
-
Chase Group (1)
-
Cutler Formation (1)
-
Ecca Group (5)
-
Eskridge Shale (1)
-
Gharif Formation (1)
-
Glorieta Sandstone (1)
-
Guadalupian
-
Bell Canyon Formation (1)
-
Brushy Canyon Formation (1)
-
Capitan Formation (1)
-
Capitanian (1)
-
Cherry Canyon Formation (2)
-
Roadian (3)
-
Seven Rivers Formation (1)
-
Tansill Formation (1)
-
Wordian (2)
-
-
Kaibab Formation (2)
-
Khuff Formation (1)
-
Lower Permian
-
Barakar Stage (1)
-
Cherry Canyon Formation (2)
-
Cisuralian
-
Artinskian (2)
-
Asselian (2)
-
Kungurian (5)
-
Sakmarian (1)
-
-
Leman Sandstone Formation (1)
-
Leonardian
-
Bone Spring Limestone (1)
-
-
Wolfcampian
-
Hueco Limestone (1)
-
-
-
Lyons Sandstone (1)
-
Middle Permian (6)
-
Phosphoria Formation (2)
-
Ranger Canyon Formation (1)
-
Rotliegendes (2)
-
Stearns Shale (1)
-
Upper Permian
-
Cadeby Formation (1)
-
Lopingian
-
Changhsingian (1)
-
Wuchiapingian (1)
-
-
Permian-Triassic boundary (8)
-
Salado Formation (2)
-
Zechstein (5)
-
-
Vryheid Formation (3)
-
Wellington Formation (1)
-
Yates Formation (3)
-
-
Road River Formation (1)
-
Sauk Sequence (1)
-
Silurian
-
Lockport Formation (1)
-
Lower Silurian
-
Llandovery
-
Telychian (1)
-
-
Tuscarora Formation (1)
-
Wenlock
-
Sheinwoodian (1)
-
-
-
Middle Silurian
-
Clinton Group (1)
-
Keefer Sandstone (3)
-
McKenzie Formation (3)
-
Rochester Formation (1)
-
Rose Hill Formation (1)
-
-
Niagaran (3)
-
Upper Silurian
-
Cayugan
-
Tonoloway Limestone (1)
-
Williamsport Sandstone (1)
-
-
Ludlow
-
Gorstian (1)
-
-
Pridoli (2)
-
Salina Group (1)
-
-
Waterville Formation (1)
-
-
Taiyuan Formation (1)
-
Tensleep Sandstone (1)
-
Tippecanoe Sequence (2)
-
upper Paleozoic
-
Bakken Formation (5)
-
Dwyka Formation (5)
-
Fountain Formation (1)
-
Kaskaskia Sequence (1)
-
-
Weber Sandstone (4)
-
Woodford Shale (7)
-
-
Phanerozoic (28)
-
Precambrian
-
Adirondack Anorthosite (1)
-
Archean
-
Eoarchean (1)
-
Mesoarchean (1)
-
Napier Complex (1)
-
Neoarchean (9)
-
Paleoarchean (2)
-
Yellowknife Group (1)
-
-
Carrizo Mountain Formation (1)
-
Catoctin Formation (1)
-
Central Rand Group (1)
-
Hadean (1)
-
Hazel Formation (1)
-
Kingston Peak Formation (1)
-
Lewisian Complex (2)
-
Nonesuch Shale (3)
-
North Shore Volcanics (3)
-
Osler Series (1)
-
Pongola Supergroup (1)
-
Prince Albert Group (1)
-
Purcell System (3)
-
Sandia Granite (1)
-
Stillwater Complex (1)
-
Transvaal Supergroup (4)
-
Uinta Mountain Group (1)
-
upper Precambrian
-
Proterozoic
-
Adelaidean (1)
-
Algonkian
-
Baraboo Quartzite (1)
-
-
Athabasca Formation (7)
-
Huronian (1)
-
Keweenawan
-
Copper Harbor Conglomerate (1)
-
Portage Lake Lava Series (2)
-
-
Mesoproterozoic
-
Altyn Limestone (1)
-
Belt Supergroup (1)
-
Freda Sandstone (3)
-
Helena Formation (1)
-
Helikian (1)
-
Roper Group (1)
-
-
Neoproterozoic
-
Cryogenian (3)
-
Dengying Formation (2)
-
Doushantuo Formation (1)
-
Ediacaran (15)
-
Horsethief Creek Group (1)
-
Infracambrian (1)
-
Marinoan (2)
-
Riphean (1)
-
Sturtian (4)
-
Tonian (1)
-
Torridonian (3)
-
Vendian (3)
-
-
Oronto Group (4)
-
Paleoproterozoic
-
Baker Lake Group (1)
-
Birimian (1)
-
Cobalt Group (1)
-
Dhanjori Group (1)
-
Orosirian (1)
-
Rustenburg Layered Suite (1)
-
Wollaston Group (1)
-
-
Roan Supergroup (1)
-
Sinian
-
Dengying Formation (2)
-
Doushantuo Formation (1)
-
-
Umberatana Group (1)
-
-
-
Ventersdorp Supergroup (3)
-
Witwatersrand Supergroup (2)
-
-
-
igneous rocks
-
agglutinates (1)
-
igneous rocks
-
carbonatites (7)
-
granophyre (1)
-
hypabyssal rocks (1)
-
kimberlite (7)
-
picrite (2)
-
plutonic rocks
-
anorthosite (9)
-
diabase
-
tholeiitic dolerite (1)
-
-
diorites
-
plagiogranite (2)
-
quartz diorites (2)
-
tonalite (9)
-
trondhjemite (1)
-
-
gabbros
-
norite (1)
-
olivine gabbro (1)
-
troctolite (1)
-
-
granites
-
aplite (5)
-
A-type granites (3)
-
charnockite (1)
-
granite porphyry (2)
-
I-type granites (4)
-
leucogranite (5)
-
monzogranite (4)
-
rapakivi (1)
-
S-type granites (2)
-
-
granodiorites (9)
-
jotunite (1)
-
lamproite (1)
-
lamprophyres
-
minette (2)
-
-
monzodiorite (6)
-
monzonites
-
mangerite (1)
-
-
pegmatite (15)
-
quartz monzonite (3)
-
syenites
-
alkali syenites (2)
-
nepheline syenite (2)
-
-
ultramafics
-
chromitite (1)
-
peridotites
-
garnet lherzolite (1)
-
lherzolite (1)
-
-
pyroxenite
-
clinopyroxenite (1)
-
garnet pyroxenite (1)
-
orthopyroxenite (1)
-
websterite (1)
-
-
-
-
porphyry (5)
-
volcanic rocks
-
andesites
-
andesite porphyry (1)
-
boninite (1)
-
-
basalts
-
alkali basalts
-
alkali olivine basalt (2)
-
-
flood basalts (7)
-
mid-ocean ridge basalts (10)
-
ocean-island basalts (2)
-
olivine tholeiite (1)
-
shoshonite (2)
-
tholeiite (3)
-
tholeiitic basalt (2)
-
trap rocks (1)
-
-
basanite
-
ankaramite (1)
-
-
dacites (3)
-
glasses
-
obsidian (1)
-
palagonite (3)
-
volcanic glass (7)
-
-
komatiite (1)
-
latite (1)
-
phonolites (1)
-
pyroclastics
-
ash-flow tuff (3)
-
hyaloclastite (5)
-
ignimbrite (5)
-
rhyolite tuff (1)
-
scoria (1)
-
tuff (23)
-
-
rhyodacites (2)
-
rhyolites (14)
-
trachyandesites (1)
-
trachytes (1)
-
-
-
ophiolite (9)
-
volcanic ash (9)
-
-
metamorphic rocks
-
K-bentonite (3)
-
metamorphic rocks
-
amphibolites (10)
-
cataclasites (3)
-
eclogite (6)
-
gneisses
-
augen gneiss (2)
-
granite gneiss (3)
-
orthogneiss (9)
-
paragneiss (3)
-
-
granulites (4)
-
hornfels (2)
-
impactites
-
impact breccia (3)
-
-
jadeitite (1)
-
marbles (16)
-
metacarbonate rocks (1)
-
metaigneous rocks
-
meta-anorthosite (1)
-
metabasalt (5)
-
metabasite (1)
-
metagabbro (3)
-
metagranite (1)
-
metarhyolite (1)
-
metatuff (1)
-
serpentinite (4)
-
-
metaplutonic rocks (2)
-
metasedimentary rocks
-
metaconglomerate (2)
-
metagraywacke (1)
-
metalimestone (2)
-
metapelite (4)
-
metasandstone (6)
-
paragneiss (3)
-
-
metasomatic rocks
-
greisen (3)
-
serpentinite (4)
-
skarn (18)
-
-
metavolcanic rocks (14)
-
migmatites (3)
-
mylonites
-
pseudotachylite (1)
-
-
phyllites (3)
-
quartzites (10)
-
schists
-
biotite schist (1)
-
blueschist (1)
-
greenschist (2)
-
greenstone (1)
-
-
slates (5)
-
-
ophiolite (9)
-
turbidite (40)
-
-
meteorites
-
meteorites
-
Allan Hills Meteorites
-
ALH 84001 (2)
-
-
Elephant Moraine Meteorites (1)
-
Hammadah al Hamra Meteorites (1)
-
iron meteorites
-
octahedrite (1)
-
-
Northwest Africa Meteorites (2)
-
stony irons
-
pallasite (1)
-
-
stony meteorites
-
achondrites
-
angrite (1)
-
lunar meteorites (2)
-
Martian meteorites
-
ALH 84001 (2)
-
SNC Meteorites
-
chassignite
-
Chassigny Meteorite (1)
-
-
nakhlite (2)
-
shergottite (2)
-
-
-
-
chondrites
-
carbonaceous chondrites
-
CM chondrites (1)
-
CV chondrites
-
Allende Meteorite (1)
-
-
-
-
-
Yamato Meteorites (1)
-
-
-
minerals
-
alloys
-
carbides (2)
-
electrum (2)
-
hedleyite (1)
-
nitrides (1)
-
phosphides (2)
-
silicides (1)
-
-
antimonides (1)
-
arsenates (2)
-
arsenides
-
arsenopyrite (11)
-
cobaltite (1)
-
gersdorffite (1)
-
lollingite (2)
-
-
arsenites (1)
-
bismuthides
-
froodite (1)
-
-
borates (1)
-
carbonates
-
ankerite (1)
-
aragonite (5)
-
azurite (1)
-
calcite (37)
-
cerussite (1)
-
dolomite (26)
-
hydromagnesite (2)
-
hydrotalcite (2)
-
ikaite (2)
-
magnesian calcite (2)
-
magnesite (4)
-
nahcolite (1)
-
norsethite (1)
-
siderite (3)
-
sphaerosiderite (2)
-
spurrite (1)
-
-
halides
-
chlorides
-
halite (10)
-
-
fluorides
-
fluorite (2)
-
topaz (1)
-
-
-
hydrates (1)
-
iron minerals (2)
-
K-bentonite (3)
-
manganese minerals (3)
-
minerals (20)
-
native elements
-
diamond (3)
-
graphite (9)
-
-
nitrates (1)
-
organic minerals
-
amber (3)
-
-
oxalates
-
weddellite (1)
-
-
oxides
-
aluminum oxides (3)
-
anatase (2)
-
baddeleyite (2)
-
bayerite (1)
-
birnessite (2)
-
brannerite (1)
-
brucite (1)
-
cassiterite (4)
-
chromite (3)
-
corundum (1)
-
diaspore (1)
-
ferrihydrite (4)
-
gahnite (1)
-
geikielite (1)
-
goethite (7)
-
hematite (14)
-
hibonite (1)
-
hollandite (2)
-
hydroxides
-
aluminum hydroxides (3)
-
iron hydroxides (2)
-
oxyhydroxides (2)
-
schoepite (1)
-
-
ilmenite (8)
-
iron oxides (11)
-
leucoxene (1)
-
maghemite (1)
-
magnesium oxides (2)
-
magnetite (20)
-
manganese oxides (5)
-
niobates
-
aeschynite (1)
-
columbite (1)
-
-
periclase (1)
-
perovskite (4)
-
rutile (4)
-
spinel (4)
-
spinel group (2)
-
titanium oxides (1)
-
ulvospinel (1)
-
uraninite (11)
-
valentinite (1)
-
zincite (1)
-
-
phosphates
-
apatite (33)
-
florencite (1)
-
fluorapatite (2)
-
goyazite (2)
-
hydroxylapatite (2)
-
lazulite (2)
-
merrillite (1)
-
monazite (13)
-
rhabdophane (1)
-
struvite (1)
-
whitlockite (1)
-
xenotime (2)
-
-
platinum minerals (1)
-
selenides (1)
-
silicates
-
aluminosilicates (6)
-
asbestos (2)
-
borosilicates (1)
-
chain silicates
-
aenigmatite group
-
sapphirine (1)
-
-
amphibole group
-
clinoamphibole
-
cummingtonite (1)
-
edenite (1)
-
hornblende (14)
-
magnesioriebeckite (1)
-
nephrite (2)
-
tremolite (2)
-
-
-
jade (1)
-
leucosphenite (1)
-
pyroxene group
-
clinopyroxene
-
augite (1)
-
diopside (3)
-
jadeite (2)
-
pigeonite (1)
-
spodumene (1)
-
-
orthopyroxene (3)
-
-
rhodonite group
-
rhodonite (1)
-
-
wollastonite group
-
wollastonite (3)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
adularia (3)
-
celsian (1)
-
K-feldspar (6)
-
microcline (1)
-
orthoclase (1)
-
perthite (3)
-
sanidine (7)
-
-
antiperthite (1)
-
barium feldspar
-
celsian (1)
-
-
plagioclase
-
albite (4)
-
anorthite (2)
-
-
-
nepheline group
-
nepheline (1)
-
-
scapolite group
-
scapolite (1)
-
-
silica minerals
-
agate (2)
-
amethyst (1)
-
chalcedony (3)
-
cristobalite (3)
-
opal
-
opal-A (12)
-
opal-CT (12)
-
-
quartz (34)
-
stishovite (1)
-
tridymite (2)
-
-
sodalite group
-
sodalite (1)
-
-
zeolite group
-
analcime (1)
-
chabazite (1)
-
clinoptilolite (1)
-
faujasite (1)
-
natrolite (1)
-
phillipsite (1)
-
wairakite (1)
-
-
-
garnierite (1)
-
orthosilicates
-
nesosilicates
-
andalusite (1)
-
dumortierite (1)
-
garnet group
-
almandine (1)
-
andradite (1)
-
pyrope (2)
-
spessartine (1)
-
-
grandidierite (1)
-
merwinite (1)
-
mullite (1)
-
olivine group
-
forsterite (3)
-
monticellite (1)
-
olivine (11)
-
ringwoodite (1)
-
wadsleyite (1)
-
-
sillimanite (2)
-
spurrite (1)
-
staurolite (2)
-
titanite group
-
titanite (8)
-
-
topaz (1)
-
uranophane (3)
-
zircon group
-
coffinite (1)
-
thorite (1)
-
zircon (155)
-
-
-
sorosilicates
-
bertrandite (1)
-
chevkinite group
-
chevkinite (1)
-
perrierite (1)
-
-
epidote group
-
allanite (1)
-
epidote (1)
-
-
kornerupine (1)
-
lawsonite (1)
-
melilite group
-
gehlenite (2)
-
melilite (2)
-
-
prismatine (1)
-
vesuvianite (1)
-
-
-
ring silicates
-
aquamarine (2)
-
beryl (4)
-
cordierite (2)
-
emerald (3)
-
milarite group
-
osumilite (1)
-
-
tourmaline group
-
elbaite (2)
-
schorl (1)
-
-
-
sheet silicates
-
cerolite (1)
-
chlorite group
-
chamosite (1)
-
chlorite (32)
-
clinochlore (1)
-
cookeite (1)
-
sudoite (5)
-
-
clay minerals
-
allophane (2)
-
beidellite (14)
-
chrysocolla (1)
-
dickite (3)
-
halloysite (5)
-
hectorite (1)
-
imogolite (1)
-
kaolinite (28)
-
montmorillonite (29)
-
nontronite (15)
-
saponite (6)
-
smectite (93)
-
stevensite (1)
-
vermiculite (26)
-
-
corrensite (1)
-
illite (84)
-
magadiite (1)
-
margarite (2)
-
mica group
-
annite (1)
-
biotite (32)
-
celadonite (6)
-
glauconite (8)
-
lepidolite (1)
-
muscovite (33)
-
paragonite (1)
-
phengite (3)
-
phlogopite (6)
-
-
palygorskite (4)
-
pyrophyllite (3)
-
rectorite (5)
-
sepiolite (3)
-
sericite (1)
-
serpentine group
-
berthierine (2)
-
chrysotile (1)
-
lizardite (2)
-
serpentine (4)
-
-
talc (3)
-
-
-
sulfates
-
alunite (9)
-
anglesite (1)
-
anhydrite (13)
-
barite (4)
-
bassanite (2)
-
chalcanthite (1)
-
copiapite (1)
-
gypsum (13)
-
halotrichite (1)
-
hexahydrite (2)
-
jarosite (6)
-
melanterite (1)
-
mirabilite (1)
-
pickeringite (1)
-
rozenite (1)
-
svanbergite (1)
-
-
sulfides
-
aikinite (1)
-
arsenopyrite (11)
-
bismuthinite (3)
-
bornite (1)
-
chalcopyrite (7)
-
cinnabar (1)
-
cobaltite (1)
-
covellite (1)
-
cubanite (1)
-
galena (3)
-
gersdorffite (1)
-
greigite (1)
-
iron sulfides (2)
-
joseite (3)
-
marcasite (2)
-
molybdenite (11)
-
orpiment (1)
-
pyrite (40)
-
pyrrhotite (6)
-
realgar (1)
-
sphalerite (6)
-
tetradymite (1)
-
-
sulfosalts
-
sulfobismuthites
-
cosalite (2)
-
gustavite (2)
-
lillianite (3)
-
matildite (3)
-
-
-
tellurides
-
hedleyite (1)
-
hessite (1)
-
joseite (3)
-
tetradymite (1)
-
-
tungstates
-
ferberite (1)
-
wolframite (1)
-
-
uranium minerals (6)
-
-
Primary terms
-
absolute age (323)
-
academic institutions (2)
-
Africa
-
Afar (1)
-
Cape Verde Islands (1)
-
Central Africa
-
Angola
-
Catanda Angola (1)
-
-
Congo (1)
-
Congo Democratic Republic (1)
-
Congo River (1)
-
-
Congo Basin (1)
-
East Africa
-
Afar Depression (1)
-
Ethiopia
-
Tigray Ethiopia (1)
-
-
Kenya (2)
-
Somali Republic (1)
-
Sudan (1)
-
Tanzania
-
Olduvai Gorge (2)
-
-
Turkana Basin (1)
-
Zambia (1)
-
-
East African Lakes
-
Lake Kariba (1)
-
Lake Tanganyika (1)
-
-
East African Rift (4)
-
Kalahari Desert (2)
-
Limpopo Basin (1)
-
Limpopo Belt (1)
-
Madagascar
-
Mahajanga Basin (1)
-
-
Mozambique Belt (1)
-
Namib Desert (1)
-
North Africa
-
Algeria
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Aures (1)
-
-
Atlas Mountains
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Moroccan Atlas Mountains
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Anti-Atlas (1)
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High Atlas (2)
-
-
-
Egypt
-
Nile Delta (1)
-
Suez Canal (1)
-
-
Libya
-
Cyrenaica (1)
-
-
Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
High Atlas (2)
-
-
Rif (1)
-
-
Tunisia
-
El Kef Tunisia (1)
-
-
-
Red Sea Hills (1)
-
Southern Africa
-
Botswana (1)
-
Kaapvaal Craton (7)
-
Kalahari Craton (1)
-
Karoo Basin (9)
-
Namaqualand (1)
-
Namibia (3)
-
Orange River (1)
-
South Africa
-
Bushveld Complex (4)
-
Cape fold belt (4)
-
Eastern Cape Province South Africa (4)
-
Free State South Africa (2)
-
Klerksdorp Field (1)
-
KwaZulu-Natal South Africa
-
Durban South Africa (1)
-
-
Limpopo South Africa (1)
-
Northern Cape Province South Africa (3)
-
Western Cape Province South Africa (3)
-
Witwatersrand (3)
-
-
Zimbabwe (2)
-
-
West Africa
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Benue Valley (1)
-
Cameroon
-
Mount Cameroon (1)
-
-
Ghana (1)
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Mali (1)
-
Nigeria
-
Niger Delta (1)
-
-
Sierra Leone (3)
-
-
West African Shield (1)
-
Zimbabwe Craton (2)
-
-
Antarctica
-
Amundsen Sea (1)
-
Antarctic ice sheet
-
East Antarctic ice sheet (6)
-
West Antarctic ice sheet (3)
-
-
Antarctic Peninsula (11)
-
East Antarctica (4)
-
Ellsworth Land
-
Ellsworth Mountains (1)
-
-
Enderby Land (1)
-
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IPOD
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Mesozoic
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Cretaceous
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Alisitos Formation (2)
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Dakota Formation (8)
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Lower Cretaceous
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Albian
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Lower Greensand (2)
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Middle Cretaceous
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Winton Formation (2)
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Nanushuk Group (3)
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Qingshankou Formation (2)
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Toolebuc Formation (1)
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Upper Cretaceous
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Almond Formation (2)
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Blackhawk Formation (6)
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Campanian
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upper Campanian (2)
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Cardium Formation (5)
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Castlegate Sandstone (7)
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Dunvegan Formation (3)
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lower Cenomanian (1)
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upper Cenomanian (2)
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Codell Sandstone Member (1)
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Coniacian
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Eutaw Formation (1)
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Forbes Formation (1)
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Fort Hays Limestone Member (1)
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Frontier Formation (5)
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Gulfian
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Austin Chalk (1)
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Hell Creek Formation (5)
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Judith River Formation (1)
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Kirtland Shale (1)
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K-T boundary (21)
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Ladd Formation (1)
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Laramie Formation (3)
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Maestrichtian
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lower Maestrichtian (2)
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upper Maestrichtian (3)
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Marca Shale Member (1)
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Mesaverde Group (9)
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Rosario Formation (4)
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Saint Mary River Formation (1)
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Senonian (35)
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Tuolumne Intrusive Suite (1)
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Turonian
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lower Turonian (3)
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upper Turonian (2)
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Tuscaloosa Formation (2)
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Williams Fork Formation (8)
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Wyandot Formation (2)
-
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Valdez Group (1)
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Viking Formation (1)
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Whitemud Formation (1)
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-
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Franciscan Complex (3)
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Jurassic
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Bazhenov Formation (3)
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Clarens Formation (1)
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Kingak Shale (1)
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Lower Jurassic
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Nordegg Member (3)
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Triassic-Jurassic boundary (1)
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Middle Jurassic
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Callovian (6)
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Dogger (1)
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Page Sandstone (1)
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Todilto Formation (1)
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Walloon Coal Measures (1)
-
-
Norphlet Formation (4)
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Opalinus Clay (1)
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Upper Jurassic
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Arab Formation (4)
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Brushy Basin Member (1)
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Hanifa Formation (2)
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Haynesville Formation (1)
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Josephine Ophiolite (1)
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Kimmeridge Clay (6)
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Kimmeridgian
-
upper Kimmeridgian (1)
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-
Morrison Formation (9)
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Naknek Formation (4)
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Oxfordian
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lower Oxfordian (1)
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Portlandian (1)
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Salt Wash Sandstone Member (1)
-
Smackover Formation (2)
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Sundance Formation (3)
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Tithonian (3)
-
Volgian (2)
-
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Mississippian
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Barnett Shale (1)
-
Big Injun Sandstone (1)
-
Charles Formation (2)
-
Leadville Formation (1)
-
Lower Mississippian
-
Fort Payne Formation (1)
-
Kayak Shale (1)
-
Kekiktuk Conglomerate (1)
-
Kinderhookian
-
Banff Formation (3)
-
-
Lodgepole Formation (6)
-
Osagian
-
Burlington Limestone (2)
-
Keokuk Limestone (1)
-
-
Pocono Formation (1)
-
Tournaisian (3)
-
-
Macumber Formation (1)
-
Madison Group (8)
-
Middle Mississippian
-
Visean
-
Great Scar Limestone (1)
-
upper Visean (1)
-
-
-
Mission Canyon Limestone (1)
-
Newman Limestone (1)
-
Stanley Group (1)
-
Upper Mississippian
-
Bangor Limestone (1)
-
Chesterian
-
Aux Vases Sandstone (1)
-
Renault Formation (1)
-
-
Fayetteville Formation (1)
-
Greenbrier Limestone (1)
-
Hartselle Sandstone (2)
-
Heath Formation (1)
-
Meramecian
-
Sainte Genevieve Limestone (1)
-
Salem Limestone (1)
-
-
Monteagle Limestone (1)
-
Pennington Formation (2)
-
Serpukhovian (2)
-
Tuscumbia Limestone (1)
-
-
Valmeyeran (1)
-
Windsor Group (3)
-
-
Namurian (6)
-
Pennsylvanian
-
Conemaugh Group (1)
-
Hermosa Group (1)
-
Lower Pennsylvanian
-
Bashkirian (2)
-
Morrowan (1)
-
-
Mattoon Formation (1)
-
Middle Pennsylvanian
-
Allegheny Group (1)
-
Atokan
-
Atoka Formation (2)
-
-
Carbondale Formation (1)
-
Desmoinesian
-
Boggy Shale (1)
-
Cherokee Group (1)
-
Krebs Group (1)
-
Marmaton Group (1)
-
-
Kanawha Formation (1)
-
Moscovian (2)
-
Paradox Formation (2)
-
Tradewater Formation (1)
-
-
Minturn Formation (1)
-
Springfield Coal Member (1)
-
Upper Pennsylvanian
-
Glenshaw Formation (1)
-
Gzhelian (3)
-
Kasimovian (3)
-
Missourian
-
Kansas City Group (1)
-
Lansing Group (2)
-
Rock Lake Shale Member (1)
-
Stanton Formation (1)
-
-
Virgilian
-
Douglas Group (6)
-
Lawrence Formation (2)
-
Shawnee Group (2)
-
Tonganoxie Sandstone (3)
-
Wabaunsee Group (1)
-
-
-
-
Springer Formation (1)
-
Upper Carboniferous
-
Millstone Grit (3)
-
Stephanian (3)
-
Westphalian (5)
-
-
-
Casper Formation (2)
-
Catskill Formation (3)
-
Chattanooga Shale (1)
-
Cow Head Group (1)
-
Deadwood Formation (1)
-
Devonian
-
Beaverhill Lake Group (1)
-
Keg River Formation (3)
-
Levis Shale (1)
-
Lower Devonian
-
Dittonian (1)
-
Emsian (2)
-
Littleton Formation (1)
-
Lochkovian (4)
-
Oriskany Sandstone (2)
-
Pragian (1)
-
York River Formation (1)
-
-
Middle Devonian
-
Dundee Limestone (1)
-
Eifelian (4)
-
Elk Point Group (1)
-
Givetian
-
Horn Plateau Formation (1)
-
-
Hamilton Group (3)
-
Ludlowville Formation (1)
-
Mahantango Formation (2)
-
Marcellus Shale (4)
-
Nahanni Formation (1)
-
Prairie Evaporite (1)
-
Sulphur Point Formation (1)
-
Tioga Bentonite (2)
-
Tully Limestone (1)
-
Winnipegosis Formation (2)
-
-
Millboro Shale (1)
-
Old Red Sandstone (6)
-
Popovich Formation (1)
-
Ramparts Formation (1)
-
Slave Point Formation (2)
-
Upper Devonian
-
Brallier Shale (1)
-
Domanik Formation (1)
-
Duperow Formation (1)
-
Famennian (3)
-
Frasnian
-
Leduc Formation (3)
-
-
Grosmont Formation (4)
-
Nisku Formation (3)
-
Palliser Formation (1)
-
-
Upper Old Red Sandstone (1)
-
Waterways Formation (2)
-
-
Earn Group (1)
-
Exshaw Formation (4)
-
Honaker Trail Formation (1)
-
Horton Group (5)
-
Hunton Group (1)
-
Ishbel Group (1)
-
Lisburne Group (2)
-
lower Paleozoic
-
Cape Phillips Formation (1)
-
Penobscot Formation (1)
-
Rose Run Sandstone (1)
-
-
Maroon Formation (3)
-
middle Paleozoic (4)
-
Minnelusa Formation (1)
-
New Albany Shale (3)
-
Ordovician
-
Catoche Formation (1)
-
Ely Springs Dolomite (1)
-
Gualcamayo Formation (1)
-
Lower Ordovician
-
Arenigian (2)
-
Beekmantown Group (3)
-
Ellenburger Group (1)
-
Ibexian (1)
-
Kindblade Formation (2)
-
Saint George Group (1)
-
Tremadocian (4)
-
-
Martinsburg Formation (2)
-
Meguma Group (1)
-
Middle Ordovician
-
Black River Group (1)
-
Bromide Formation (1)
-
Champlainian (1)
-
Chazyan (2)
-
Darriwilian (2)
-
Deicke Bentonite Bed (1)
-
Galena Dolomite (1)
-
Llanvirnian (1)
-
Normanskill Formation (1)
-
Simpson Group (1)
-
Table Head Group (2)
-
Whiterockian (1)
-
-
Trenton Group (2)
-
Upper Ordovician
-
Bighorn Dolomite (1)
-
Caradocian (3)
-
Cincinnatian
-
Richmondian (1)
-
-
Edenian
-
Eden Shale (1)
-
-
Hirnantian (1)
-
Katian (1)
-
Maquoketa Formation (2)
-
Mohawkian (2)
-
Trentonian (2)
-
Yeoman Formation (1)
-
-
Utica Shale (2)
-
Viola Limestone (2)
-
-
Permian
-
Castile Formation (4)
-
Chase Group (1)
-
Cutler Formation (1)
-
Ecca Group (5)
-
Eskridge Shale (1)
-
Gharif Formation (1)
-
Glorieta Sandstone (1)
-
Guadalupian
-
Bell Canyon Formation (1)
-
Brushy Canyon Formation (1)
-
Capitan Formation (1)
-
Capitanian (1)
-
Cherry Canyon Formation (2)
-
Roadian (3)
-
Seven Rivers Formation (1)
-
Tansill Formation (1)
-
Wordian (2)
-
-
Kaibab Formation (2)
-
Khuff Formation (1)
-
Lower Permian
-
Barakar Stage (1)
-
Cherry Canyon Formation (2)
-
Cisuralian
-
Artinskian (2)
-
Asselian (2)
-
Kungurian (5)
-
Sakmarian (1)
-
-
Leman Sandstone Formation (1)
-
Leonardian
-
Bone Spring Limestone (1)
-
-
Wolfcampian
-
Hueco Limestone (1)
-
-
-
Lyons Sandstone (1)
-
Middle Permian (6)
-
Phosphoria Formation (2)
-
Ranger Canyon Formation (1)
-
Rotliegendes (2)
-
Stearns Shale (1)
-
Upper Permian
-
Cadeby Formation (1)
-
Lopingian
-
Changhsingian (1)
-
Wuchiapingian (1)
-
-
Permian-Triassic boundary (8)
-
Salado Formation (2)
-
Zechstein (5)
-
-
Vryheid Formation (3)
-
Wellington Formation (1)
-
Yates Formation (3)
-
-
Road River Formation (1)
-
Sauk Sequence (1)
-
Silurian
-
Lockport Formation (1)
-
Lower Silurian
-
Llandovery
-
Telychian (1)
-
-
Tuscarora Formation (1)
-
Wenlock
-
Sheinwoodian (1)
-
-
-
Middle Silurian
-
Clinton Group (1)
-
Keefer Sandstone (3)
-
McKenzie Formation (3)
-
Rochester Formation (1)
-
Rose Hill Formation (1)
-
-
Niagaran (3)
-
Upper Silurian
-
Cayugan
-
Tonoloway Limestone (1)
-
Williamsport Sandstone (1)
-
-
Ludlow
-
Gorstian (1)
-
-
Pridoli (2)
-
Salina Group (1)
-
-
Waterville Formation (1)
-
-
Taiyuan Formation (1)
-
Tensleep Sandstone (1)
-
Tippecanoe Sequence (2)
-
upper Paleozoic
-
Bakken Formation (5)
-
Dwyka Formation (5)
-
Fountain Formation (1)
-
Kaskaskia Sequence (1)
-
-
Weber Sandstone (4)
-
Woodford Shale (7)
-
-
palynology (3)
-
palynomorphs
-
acritarchs (10)
-
Chitinozoa (2)
-
Dinoflagellata (14)
-
megaspores (2)
-
miospores
-
Momipites (1)
-
pollen (56)
-
-
-
paragenesis (62)
-
peat deposits (1)
-
permafrost (16)
-
petroleum
-
natural gas
-
coalbed methane (5)
-
shale gas (10)
-
-
shale oil (6)
-
-
petrology (37)
-
Phanerozoic (28)
-
phase equilibria (32)
-
phosphate deposits (3)
-
phosphorus (7)
-
placers
-
beach placers (1)
-
-
planetology (2)
-
Plantae
-
algae
-
Chlorophyta
-
Botryococcus (1)
-
Chlorophyceae
-
Codiaceae
-
Halimeda (1)
-
-
-
-
Chrysophyta (1)
-
Coccolithophoraceae
-
Coccolithus (1)
-
-
diatoms (21)
-
Microcodium (1)
-
nannofossils
-
Discoasteridae (1)
-
Nannoconus (1)
-
-
Rhodophyta
-
Corallinaceae (2)
-
-
-
Bryophyta
-
Musci (1)
-
-
Pteridophyta
-
Filicopsida
-
Archaeopteris (1)
-
Taeniopteris (1)
-
-
Lycopsida (7)
-
Sphenopsida
-
Sphenophyllum (1)
-
-
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae
-
Alnus (2)
-
Betula (1)
-
Fagus (1)
-
Hamamelididae (1)
-
Juglandaceae (1)
-
Lauraceae (2)
-
Myrtaceae
-
Eucalyptus (1)
-
-
Nothofagus (2)
-
Pterocarya (1)
-
Rosidae (1)
-
-
Monocotyledoneae
-
Gramineae (1)
-
Palmae (2)
-
-
-
Gymnospermae
-
Bennettitales (2)
-
Coniferales
-
Cupressaceae (1)
-
Picea (2)
-
Pinaceae
-
Abies (2)
-
Pinus (2)
-
-
Taxodiaceae
-
Metasequoia (2)
-
Sequoia (1)
-
-
Taxodium (1)
-
-
Cordaitales
-
Cordaites (1)
-
-
Cycadales (2)
-
Ginkgoales
-
Ginkgo (2)
-
-
Glossopteridales
-
Gangamopteris (1)
-
Glossopteris (2)
-
-
Pteridospermae (2)
-
-
-
-
plate tectonics (205)
-
pollution (45)
-
Precambrian
-
Adirondack Anorthosite (1)
-
Archean
-
Eoarchean (1)
-
Mesoarchean (1)
-
Napier Complex (1)
-
Neoarchean (9)
-
Paleoarchean (2)
-
Yellowknife Group (1)
-
-
Carrizo Mountain Formation (1)
-
Catoctin Formation (1)
-
Central Rand Group (1)
-
Hadean (1)
-
Hazel Formation (1)
-
Kingston Peak Formation (1)
-
Lewisian Complex (2)
-
Nonesuch Shale (3)
-
North Shore Volcanics (3)
-
Osler Series (1)
-
Pongola Supergroup (1)
-
Prince Albert Group (1)
-
Purcell System (3)
-
Sandia Granite (1)
-
Stillwater Complex (1)
-
Transvaal Supergroup (4)
-
Uinta Mountain Group (1)
-
upper Precambrian
-
Proterozoic
-
Adelaidean (1)
-
Algonkian
-
Baraboo Quartzite (1)
-
-
Athabasca Formation (7)
-
Huronian (1)
-
Keweenawan
-
Copper Harbor Conglomerate (1)
-
Portage Lake Lava Series (2)
-
-
Mesoproterozoic
-
Altyn Limestone (1)
-
Belt Supergroup (1)
-
Freda Sandstone (3)
-
Helena Formation (1)
-
Helikian (1)
-
Roper Group (1)
-
-
Neoproterozoic
-
Cryogenian (3)
-
Dengying Formation (2)
-
Doushantuo Formation (1)
-
Ediacaran (15)
-
Horsethief Creek Group (1)
-
Infracambrian (1)
-
Marinoan (2)
-
Riphean (1)
-
Sturtian (4)
-
Tonian (1)
-
Torridonian (3)
-
Vendian (3)
-
-
Oronto Group (4)
-
Paleoproterozoic
-
Baker Lake Group (1)
-
Birimian (1)
-
Cobalt Group (1)
-
Dhanjori Group (1)
-
Orosirian (1)
-
Rustenburg Layered Suite (1)
-
Wollaston Group (1)
-
-
Roan Supergroup (1)
-
Sinian
-
Dengying Formation (2)
-
Doushantuo Formation (1)
-
-
Umberatana Group (1)
-
-
-
Ventersdorp Supergroup (3)
-
Witwatersrand Supergroup (2)
-
-
problematic fossils
-
problematic microfossils (3)
-
-
Pterobranchia (3)
-
quartz crystal (2)
-
reclamation (8)
-
Red Sea region (1)
-
reefs (29)
-
remote sensing (51)
-
reservoirs (5)
-
roads (8)
-
rock mechanics (30)
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sandstone deposits (1)
-
sea water (19)
-
sea-floor spreading (17)
-
sea-level changes (140)
-
sedimentary petrology (82)
-
sedimentary rocks
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bauxite (2)
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bone beds (3)
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carbonate rocks
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boundstone
-
bafflestone (2)
-
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chalk (15)
-
dolostone (34)
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grainstone (12)
-
limestone
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calcarenite (2)
-
calcilutite (1)
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coquina (1)
-
dolomitic limestone (1)
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micrite (5)
-
microbialite (5)
-
microcrystalline limestone (3)
-
oolitic limestone (1)
-
-
packstone (10)
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rudstone (1)
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travertine (5)
-
wackestone (8)
-
-
chemically precipitated rocks
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chert (20)
-
evaporites
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salt (6)
-
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iron formations
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banded iron formations (1)
-
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ironstone (1)
-
phosphate rocks (7)
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silcrete (1)
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siliceous sinter (3)
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tufa (2)
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weathering crust (3)
-
-
clastic rocks
-
arenite
-
litharenite (3)
-
quartz arenite (6)
-
-
argillite (1)
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arkose (2)
-
bentonite (19)
-
black shale (22)
-
claystone (9)
-
conglomerate
-
quartz-pebble conglomerate (1)
-
-
diamictite (5)
-
diatomite (5)
-
eolianite (2)
-
fanglomerate (1)
-
graywacke (5)
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marl (16)
-
mudstone (81)
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orthoquartzite (1)
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porcellanite (2)
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red beds (15)
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sandstone (232)
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shale (120)
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siltstone (40)
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subarkose (2)
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tillite (3)
-
-
coal
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bituminous coal (4)
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lignite (10)
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subbituminous coal (1)
-
-
gas sands (3)
-
gas shale (4)
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oil sands (19)
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oil shale
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kukersite (1)
-
-
-
sedimentary structures
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bedding plane irregularities
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dune structures (3)
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flute casts (3)
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groove casts (1)
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grooves (1)
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megaripples (1)
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ripple marks (11)
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sand ridges (1)
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sand waves (1)
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scour marks (1)
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biogenic structures
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algal structures
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algal mats (4)
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algal mounds (2)
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bioherms
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mud mounds (2)
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bioturbation (19)
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carbonate banks (1)
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lebensspuren (6)
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microbial mats
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cyanobacterial mats (2)
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stromatactis (2)
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stromatolites (11)
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thrombolites (3)
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current markings (1)
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graded bedding (5)
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planar bedding structures
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bedding (13)
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cross-bedding (14)
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cross-laminations (5)
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cross-stratification (12)
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cut and fill (1)
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cyclothems
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megacyclothems (1)
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flaser bedding (1)
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hummocky cross-stratification (4)
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laminations (21)
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massive bedding (2)
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rhythmic bedding (5)
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rhythmite (4)
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ripple drift-cross laminations (1)
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sand bodies (8)
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varves (10)
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rhizoliths (1)
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secondary structures
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concretions (11)
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geodes (1)
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stylolites (2)
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seismites (2)
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soft sediment deformation
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clastic dikes (2)
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sandstone dikes (1)
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slump structures (1)
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turbidity current structures
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Bouma sequence (5)
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load casts (1)
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sedimentation (248)
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sediments
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carbonate sediments (10)
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clastic sediments
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alluvium (22)
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boulder clay (1)
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colluvium (2)
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diamicton (3)
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drift (3)
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dust (2)
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gravel (9)
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kaolin (2)
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loess (12)
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mud (6)
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ooze (6)
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outwash (2)
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overbank sediments (3)
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pebbles (3)
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sand (31)
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silt (5)
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till (18)
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gyttja (1)
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marine sediments (59)
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peat (14)
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seismology (44)
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selenium (2)
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shorelines (20)
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silicon
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Si-30/Si-28 (2)
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slope stability (27)
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sodium sulfate (1)
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soil mechanics (35)
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soils
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acid sulfate soils (1)
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Alfisols (2)
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Calcareous soils (1)
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Cambisols (3)
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Clay soils (3)
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Desert soils (1)
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Inceptisols (1)
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Mollisols (1)
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Podzols (6)
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Red soils (1)
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Terra rossa (2)
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South America
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Andes
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Argentina
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Brazil
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Clearfield County Pennsylvania (1)
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Lycoming County Pennsylvania (1)
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Potomac River (1)
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South Carolina
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Aiken County South Carolina (1)
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Barnwell County South Carolina (1)
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Charleston County South Carolina
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Charleston South Carolina (1)
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Dorchester County South Carolina (1)
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Savannah River Site (4)
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South Dakota
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Badlands National Park (2)
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Buffalo County South Dakota (1)
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Gregory County South Dakota (1)
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Harding County South Dakota (1)
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Hughes County South Dakota (1)
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South Platte River valley (1)
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Southern U.S. (1)
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Southwestern U.S. (3)
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Tennessee
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Chester County Tennessee (1)
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Davidson County Tennessee
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Nashville Tennessee (1)
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Decatur County Tennessee (1)
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Hardin County Tennessee (2)
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Lawrence County Tennessee (1)
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McNairy County Tennessee (1)
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Oak Ridge National Laboratory (1)
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Perry County Tennessee (1)
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Roane County Tennessee (1)
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Texas
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Amarillo Uplift (2)
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Andrews County Texas (1)
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Balcones fault zone (1)
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Brazos River (1)
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Culberson County Texas
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Van Horn Texas (1)
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Dalhart Basin (1)
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Dallas County Texas
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Dallas Texas (1)
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Duval County Texas (1)
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East Texas (3)
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Fort Worth Basin (2)
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Galveston County Texas
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Galveston Island (1)
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Hardin County Texas (1)
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Hudspeth County Texas (1)
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Kinney County Texas (1)
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Llano Uplift (1)
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Midland Basin (4)
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Tarrant County Texas
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Terrell County Texas (1)
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West Texas (14)
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U. S. Rocky Mountains
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Absaroka Range
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Wind River Range (2)
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Uinta Basin (36)
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Uncompahgre Uplift (3)
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Utah
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Bingham mining district (1)
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Box Elder County Utah (2)
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Canyonlands National Park (1)
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Carbon County Utah (5)
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Daggett County Utah (1)
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Duchesne County Utah (5)
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Emery County Utah
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Emery Utah (1)
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Grand County Utah (2)
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Juab County Utah (3)
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Millard County Utah (4)
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Salt Lake County Utah
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Salt Lake City Utah (1)
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San Juan County Utah (2)
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San Rafael Swell (2)
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Sanpete County Utah (1)
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Sevier Desert (2)
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Tooele County Utah (1)
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Uintah County Utah (7)
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Wasatch Plateau (2)
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Vermont (3)
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Virgin River valley (3)
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Virginia
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Accomack County Virginia (1)
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Albemarle County Virginia (1)
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Augusta County Virginia (1)
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Bath County Virginia (1)
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Fairfax County Virginia (1)
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Highland County Virginia (1)
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Loudoun County Virginia (1)
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Louisa County Virginia (1)
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Mathews County Virginia (1)
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Northampton County Virginia (1)
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Rockbridge County Virginia (1)
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Shenandoah County Virginia (1)
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Walker Lane (10)
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Wasatch fault zone (1)
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Washington
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Chelan County Washington (6)
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Clallam County Washington (3)
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Cowlitz County Washington (1)
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Douglas County Washington (1)
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Grant County Washington (1)
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Grays Harbor County Washington (1)
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King County Washington
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Seattle Washington (1)
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Kitsap County Washington (2)
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Mason County Washington (1)
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Mount Rainier National Park (2)
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Olympic Peninsula (5)
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Pacific County Washington
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Pierce County Washington
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Mount Rainier (2)
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Puget Lowland (1)
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Mount Saint Helens (2)
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Snohomish County Washington (2)
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Toutle River (1)
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Wahkiakum County Washington (1)
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Whatcom County Washington (2)
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West Virginia
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Clay County West Virginia (1)
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Granny Creek Field (1)
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Mingo County West Virginia (1)
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Pendleton County West Virginia (1)
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Pocahontas County West Virginia (1)
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Raleigh County West Virginia (1)
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Randolph County West Virginia (1)
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Roane County West Virginia (1)
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Wayne County West Virginia (2)
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Western U.S. (43)
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Wisconsin
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Bayfield County Wisconsin (1)
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Iron County Wisconsin (1)
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Milwaukee County Wisconsin
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Vernon County Wisconsin (1)
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Waukesha County Wisconsin (1)
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Wyoming
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Albany County Wyoming (1)
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Big Horn County Wyoming (3)
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Carbon County Wyoming
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Shirley Basin (1)
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Converse County Wyoming (4)
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Fremont County Wyoming (3)
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Great Divide Basin (1)
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Hanna Basin (8)
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Heart Mountain Fault (8)
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Johnson County Wyoming (1)
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Laramie Basin (1)
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Lincoln County Wyoming (2)
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Natrona County Wyoming (1)
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Niobrara County Wyoming (2)
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Owl Creek Mountains (1)
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Park County Wyoming (4)
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Rock Springs Uplift (7)
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Sublette County Wyoming (1)
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Sweetwater County Wyoming
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Rock Springs Wyoming (1)
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Teton County Wyoming (2)
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Uinta County Wyoming (2)
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Wind River Range (2)
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Wyoming Province (4)
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Yakima fold belt (2)
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Yavapai Province (1)
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Yellowstone National Park (3)
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USSR (4)
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volcanology (2)
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waste disposal (22)
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water resources (6)
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waterways (1)
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weathering (64)
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well-logging (34)
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West Pacific Ocean Islands
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Chatham Islands (2)
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Macquarie Island (3)
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X-ray analysis (11)
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rock formations
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Alpine Schist (1)
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Ara Group (3)
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Barren Measures (1)
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Beaufort Formation (2)
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Beaufort Group (3)
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Chugwater Formation (2)
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Deccan Traps (2)
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Denver Formation (3)
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Eagle Mills Formation (1)
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Emeishan Basalts (1)
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Empire Formation (1)
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Eureka Sound Group (1)
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Fort Union Formation (8)
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Gates Formation (2)
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Gondwana System
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upper Gondwana System (1)
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Goose Egg Formation (1)
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Haast Schist (1)
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Halfway Formation (4)
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Hutton Sandstone (1)
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Imperial Formation (2)
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Ivishak Formation (1)
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Jacobsville Sandstone (3)
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Karoo Supergroup (10)
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Lagunillas Formation (1)
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Latrobe Group (2)
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Lopez de Bertodano Formation (2)
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Louann Salt (6)
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Medina Formation (1)
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Middle Run Formation (1)
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Monashee Complex (1)
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Monterey Formation (27)
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Nanaimo Group (2)
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North Horn Formation (1)
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Paskapoo Formation (3)
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Peace River Formation (2)
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Ross Formation (1)
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Rundle Group (3)
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Sadlerochit Group (1)
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Sagavanirktok Formation (1)
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San Andres Formation (1)
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San Gregorio Formation (3)
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San Jose Formation (1)
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San Juan Formation (1)
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Semail Ophiolite (2)
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Sheep Pass Formation (1)
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Siberian Traps (1)
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Tor Formation (1)
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Torlesse Supergroup (1)
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Toro Formation (1)
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Tyler Formation (1)
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sedimentary rocks
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calcrete (11)
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contourite (1)
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floatstone (1)
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flysch (7)
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greensand (1)
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laminite (5)
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molasse (3)
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oolite (2)
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pozzolan (1)
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sedimentary rocks
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bauxite (2)
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