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-
O-18 (1)
-
O-18/O-16 (21)
-
-
silicon (1)
-
sulfur
-
S-34/S-32 (3)
-
-
-
fossils
-
bacteria (2)
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burrows (1)
-
Chordata
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Vertebrata
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Tetrapoda (1)
-
-
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ichnofossils (1)
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microfossils (1)
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palynomorphs
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miospores (1)
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Plantae (1)
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thallophytes (1)
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tracks (1)
-
-
geochronology methods
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Ar/Ar (2)
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K/Ar (9)
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paleomagnetism (1)
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Rb/Sr (1)
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tephrochronology (1)
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U/Pb (1)
-
-
geologic age
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Cenozoic
-
Agbada Formation (1)
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Quaternary
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Holocene (3)
-
Pleistocene
-
upper Pleistocene
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Wisconsinan (1)
-
-
-
upper Quaternary (1)
-
-
Tertiary
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lower Tertiary (3)
-
Neogene
-
Miocene
-
lower Miocene
-
Aquitanian (1)
-
-
Pungo River Formation (1)
-
Surma Group (1)
-
upper Miocene
-
Messinian (1)
-
-
-
Pliocene
-
Citronelle Formation (1)
-
-
-
Paleogene
-
Eocene
-
lower Eocene (4)
-
middle Eocene
-
Claiborne Group (1)
-
Yegua Formation (1)
-
-
upper Eocene
-
Jackson Group (1)
-
Twiggs Clay (1)
-
-
-
Huber Formation (2)
-
Oligocene
-
Frio Formation (4)
-
lower Oligocene (1)
-
-
Paleocene
-
Clayton Formation (1)
-
lower Paleocene
-
Danian (2)
-
K-T boundary (2)
-
-
Porters Creek Formation (3)
-
upper Paleocene (1)
-
-
Wilcox Group (2)
-
-
-
-
Coal Measures (2)
-
Mesozoic
-
Antalya Complex (1)
-
Cretaceous
-
Comanchean
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Rodessa Formation (1)
-
-
Dakota Formation (1)
-
Lower Cretaceous
-
Albian (3)
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Aptian (1)
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Barremian (1)
-
Berriasian (1)
-
Gething Formation (1)
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Hauterivian (1)
-
Mannville Group (1)
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Moosebar Formation (1)
-
Mowry Shale (1)
-
Rodessa Formation (1)
-
Spirit River Formation (1)
-
Wealden (1)
-
-
Mancos Shale (1)
-
Nanushuk Group (1)
-
Upper Cretaceous
-
Blackhawk Formation (1)
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Campanian (1)
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Cenomanian (3)
-
Ferron Sandstone Member (1)
-
Ghareb Formation (1)
-
Gulfian
-
Austin Group (1)
-
-
K-T boundary (2)
-
Maestrichtian
-
upper Maestrichtian (1)
-
-
Niobrara Formation (1)
-
Senonian (4)
-
Smoky Hill Chalk Member (1)
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Turonian (1)
-
Tuscaloosa Formation (1)
-
-
Whitemud Formation (1)
-
-
Jurassic
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Aztec Sandstone (1)
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Lower Jurassic
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Hettangian (1)
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Toarcian (2)
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Triassic-Jurassic boundary (1)
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upper Liassic (2)
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Middle Jurassic
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Bajocian
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Brent Group (6)
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Tarbert Formation (1)
-
-
Bathonian (1)
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Callovian (1)
-
-
Opalinus Clay (1)
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Posidonia Shale (1)
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Upper Jurassic
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Kimmeridge Clay (1)
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Kimmeridgian (2)
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Oxfordian (2)
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Portlandian (1)
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Tithonian (1)
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-
-
Triassic
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Middle Triassic (1)
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Upper Triassic
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Norian (1)
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Rhaetian (1)
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Triassic-Jurassic boundary (1)
-
-
-
-
Paleozoic
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Cambrian
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Upper Cambrian
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Mount Simon Sandstone (1)
-
-
-
Carboniferous
-
Lower Carboniferous
-
Dinantian (5)
-
-
Mississippian
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Middle Mississippian
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Visean (2)
-
-
Windsor Group (1)
-
-
Namurian (2)
-
Pennsylvanian
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Brazil Formation (1)
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Kittanning Formation (1)
-
Lower Pennsylvanian (1)
-
-
Silesian (1)
-
Upper Carboniferous
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Westphalian (3)
-
-
-
Devonian
-
Old Red Sandstone (1)
-
Upper Devonian
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Grosmont Formation (1)
-
-
-
lower Paleozoic
-
Cape Phillips Formation (1)
-
-
Ordovician
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Middle Ordovician
-
Saint Peter Sandstone (3)
-
-
Upper Ordovician (1)
-
-
Permian
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Cutler Formation (1)
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Ecca Group (1)
-
Lower Permian (4)
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Rotliegendes (4)
-
Upper Permian
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Zechstein (1)
-
-
Vryheid Formation (2)
-
-
Silurian
-
Lower Silurian (1)
-
-
upper Paleozoic
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Dwyka Formation (1)
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Fountain Formation (1)
-
-
-
Precambrian
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Archean (1)
-
upper Precambrian
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Proterozoic (1)
-
-
Ventersdorp Supergroup (1)
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-
-
igneous rocks
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igneous rocks
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plutonic rocks
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anorthosite (2)
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diabase (1)
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gabbros (1)
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granites
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adamellite (1)
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aplite (1)
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biotite granite (1)
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granodiorites (1)
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pegmatite (2)
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ultramafics
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peridotites
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dunite (1)
-
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pyroxenite (1)
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-
-
volcanic rocks
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andesites (2)
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basalts
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alkali basalts (1)
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tholeiitic basalt (1)
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dacites (1)
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glasses
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volcanic glass (2)
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latite (1)
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pyroclastics
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ignimbrite (4)
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pumice (1)
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rhyolite tuff (1)
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tuff (6)
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quartz latite (1)
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rhyodacites (1)
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rhyolites (2)
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trachyandesites (1)
-
-
-
volcanic ash (8)
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metamorphic rocks
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K-bentonite (3)
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metamorphic rocks
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gneisses
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granite gneiss (1)
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metaigneous rocks
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serpentinite (1)
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metasedimentary rocks
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metapelite (1)
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metasandstone (1)
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metasomatic rocks
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greisen (2)
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serpentinite (1)
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metavolcanic rocks (1)
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mylonites (1)
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phyllites (1)
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schists (5)
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slates (1)
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turbidite (1)
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minerals
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carbonates
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ankerite (1)
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calcite (14)
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cancrinite (1)
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dolomite (8)
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siderite (9)
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halides
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fluorides (2)
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K-bentonite (3)
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minerals (74)
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oxalates (1)
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oxides
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aluminum oxides (2)
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anatase (6)
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birnessite (1)
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boehmite (3)
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cryptomelane (1)
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diaspore (1)
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gibbsite (20)
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goethite (21)
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hematite (14)
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hydroxides
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iron hydroxides (1)
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oxyhydroxides (2)
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ilmenite (3)
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iron oxides (13)
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lepidocrocite (1)
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leucoxene (1)
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lithiophorite (1)
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maghemite (3)
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magnetite (1)
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manganese oxides (1)
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pyrolusite (1)
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rutile (3)
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titanium oxides (2)
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todorokite (1)
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phosphates
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apatite (1)
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crandallite (4)
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florencite (1)
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francolite (1)
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goyazite (3)
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monazite (1)
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strengite (1)
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variscite (2)
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wavellite (1)
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silicates
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aluminosilicates (6)
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chain silicates
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amphibole group
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clinoamphibole
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hornblende (2)
-
-
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carpholite (1)
-
pyroxene group
-
clinopyroxene
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spodumene (1)
-
-
-
-
framework silicates
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cancrinite (1)
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feldspar group
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alkali feldspar
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adularia (1)
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K-feldspar (5)
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microcline (1)
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orthoclase (1)
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perthite (1)
-
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plagioclase
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albite (1)
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anorthite (1)
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bytownite (1)
-
-
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silica minerals
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chalcedony (2)
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cristobalite (3)
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opal
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opal-CT (3)
-
-
quartz (30)
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sodalite group
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sodalite (1)
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zeolite group
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analcime (2)
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chabazite (1)
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clinoptilolite (4)
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heulandite (1)
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laumontite (1)
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mordenite (1)
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phillipsite (1)
-
-
-
orthosilicates
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nesosilicates
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garnet group
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almandine (1)
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sillimanite (1)
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zircon group
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zircon (2)
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-
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sorosilicates (1)
-
-
sheet silicates
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chlorite group
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chamosite (2)
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chlorite (71)
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clinochlore (1)
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cookeite (3)
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sudoite (4)
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clay minerals
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allophane (6)
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beidellite (5)
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dickite (23)
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halloysite (37)
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hisingerite (1)
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imogolite (1)
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kaolinite (387)
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metahalloysite (1)
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montmorillonite (20)
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nacrite (5)
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nontronite (5)
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smectite (129)
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vermiculite (25)
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illite (146)
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mica group
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biotite (9)
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glauconite (5)
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muscovite (11)
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phengite (1)
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palygorskite (6)
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pyrophyllite (8)
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rectorite (2)
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sepiolite (4)
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sericite (1)
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serpentine group
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berthierine (7)
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cronstedtite (1)
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serpentine (2)
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talc (1)
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tosudite (2)
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-
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sulfates
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alunite (9)
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anhydrite (1)
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barite (1)
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gypsum (3)
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halotrichite (1)
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jarosite (5)
-
-
sulfides
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marcasite (1)
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pyrite (5)
-
-
-
Primary terms
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absolute age (10)
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Africa
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Central Africa
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Angola (1)
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Burundi (1)
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Gabon (1)
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Congo Basin (1)
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North Africa
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Egypt (4)
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Morocco
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Rif (1)
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Tunisia
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El Kef Tunisia (1)
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Southern Africa
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South Africa
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Free State South Africa (2)
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Transvaal region (2)
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West Africa
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Cameroon (1)
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Guinea (1)
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Ivory Coast (2)
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Niger (1)
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Nigeria
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Niger Delta (3)
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Senegal (1)
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-
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Antarctica
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East Antarctica (1)
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South Shetland Islands
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King George Island (1)
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Arctic Ocean
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Beaufort Sea (2)
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Chukchi Sea (1)
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Norwegian Sea
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Haltenbanken (1)
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Asia
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Arabian Peninsula
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Saudi Arabia (1)
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Far East
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Borneo
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Kalimantan Indonesia
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Mahakam Delta (1)
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China
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Gansu China
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Henan China (1)
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Indonesia
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Mahakam Delta (1)
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Sumatra (1)
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Japan
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Hokkaido (1)
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Honshu
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Hiroshima Japan (1)
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Iwate Japan (1)
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Kyushu
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Kagoshima Japan
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Aira Caldera (1)
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Korea
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South Korea (5)
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Malay Peninsula (1)
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Philippine Islands
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Taiwan
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Penghu Islands (1)
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India
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Middle East
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Jordan (1)
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Pontic Mountains (2)
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Southeast Asia (1)
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Atlantic Ocean
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North Atlantic
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North Sea
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East Shetland Basin (3)
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Atlantic Ocean Islands
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Atlantic region (1)
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Australasia
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Australia
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New Zealand
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Otago New Zealand (1)
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Taupo volcanic zone (2)
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bacteria (2)
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bauxite deposits (1)
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bentonite deposits (2)
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bitumens (2)
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boron (1)
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brines (1)
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Canada
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Arctic Archipelago (2)
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Maritime Provinces
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Newfoundland and Labrador
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Ontario
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Quebec (2)
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Nunavut
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Queen Elizabeth Islands
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Western Canada
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Alberta
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Saskatchewan
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Yukon Territory (1)
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carbon
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C-13/C-12 (4)
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organic carbon (1)
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Caribbean region
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West Indies
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Antilles
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Lesser Antilles (1)
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Cenozoic
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Agbada Formation (1)
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Quaternary
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Holocene (3)
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Pleistocene
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upper Pleistocene
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Wisconsinan (1)
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-
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upper Quaternary (1)
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Tertiary
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lower Tertiary (3)
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Neogene
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Miocene
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lower Miocene
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Aquitanian (1)
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Pungo River Formation (1)
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Surma Group (1)
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upper Miocene
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Messinian (1)
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-
-
Pliocene
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Citronelle Formation (1)
-
-
-
Paleogene
-
Eocene
-
lower Eocene (4)
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middle Eocene
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Claiborne Group (1)
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Yegua Formation (1)
-
-
upper Eocene
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Jackson Group (1)
-
Twiggs Clay (1)
-
-
-
Huber Formation (2)
-
Oligocene
-
Frio Formation (4)
-
lower Oligocene (1)
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-
Paleocene
-
Clayton Formation (1)
-
lower Paleocene
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Danian (2)
-
K-T boundary (2)
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-
Porters Creek Formation (3)
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upper Paleocene (1)
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Wilcox Group (2)
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-
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Central America
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ceramic materials (1)
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chemical analysis (2)
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Chordata
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Vertebrata
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clay deposits (2)
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clay mineralogy (291)
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climate change (2)
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crystal structure (19)
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Deep Sea Drilling Project
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Leg 12
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DSDP Site 112 (1)
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deformation (1)
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diagenesis (95)
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East Pacific Ocean Islands
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Hawaii
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Honolulu County Hawaii
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Koolau Range (1)
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economic geology (39)
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Europe
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