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Ar-40/Ar-39 (1)
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-
helium
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He-3 (2)
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He-4 (1)
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He-4/He-3 (3)
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krypton
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Kr-84 (1)
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neon
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Ne-20 (1)
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Ne-21 (1)
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Ne-22/Ne-20 (1)
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Ne-22/Ne-21 (1)
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radon
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Rn-222 (1)
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-
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oxygen
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O-17/O-16 (1)
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O-18 (2)
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O-18/O-16 (37)
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phosphorus (1)
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sulfur
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S-33/S-32 (2)
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S-34/S-32 (16)
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-
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fossils
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borings (1)
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burrows (1)
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Chordata
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Vertebrata
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Pisces
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Chondrichthyes
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Euselachii (1)
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Osteichthyes
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Actinopterygii
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Teleostei
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Perciformes (1)
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-
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Placodermi (1)
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Tetrapoda
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Aves
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Archaeornithes (1)
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Neornithes (1)
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Mammalia
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Theria
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Eutheria
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Rodentia
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Caviomorpha (1)
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-
-
-
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Reptilia
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Diapsida
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Archosauria
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dinosaurs (1)
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Lepidosauria
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Squamata
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Lacertilia
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Mosasauridae (1)
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-
-
-
-
-
-
-
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Cloudina (1)
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cyanobacteria (1)
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ichnofossils
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Arenicolites (1)
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Nereites (1)
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Palaeophycus (1)
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Rhizocorallium (1)
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Invertebrata
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Arthropoda
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Mandibulata
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Crustacea
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Malacostraca (1)
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Ostracoda (2)
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-
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Trilobitomorpha
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Trilobita (1)
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-
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Brachiopoda (4)
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Bryozoa (1)
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Cnidaria
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Anthozoa
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Zoantharia
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Scleractinia
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Acropora (1)
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Montastrea (1)
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-
-
-
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Echinodermata
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Asterozoa
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Stelleroidea
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Asteroidea (2)
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-
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Echinozoa
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Echinoidea (1)
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-
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Mollusca
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Bivalvia
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Heterodonta
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Rudistae (1)
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-
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Cephalopoda
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Ammonoidea
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Ammonites (1)
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-
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Hyolithes (1)
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Porifera (2)
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Protista
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Foraminifera
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Rotaliina
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Orbitoidacea
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Cibicides (1)
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-
-
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Radiolaria (1)
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Vermes
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Annelida (1)
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Polychaeta (1)
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scolecodonts (2)
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-
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lichens (1)
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Metazoa (1)
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microfossils
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Conodonta (6)
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scolecodonts (2)
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palynomorphs
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acritarchs (1)
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Dinoflagellata (2)
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miospores
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pollen (3)
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-
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Plantae
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algae
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calcareous algae (1)
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Chlorophyta (1)
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Pteridophyta
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Filicopsida
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Azolla (1)
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Sphenopsida (1)
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Spermatophyta
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Angiospermae (1)
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Gymnospermae
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Coniferales (1)
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Cordaitales (1)
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-
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problematic fossils (2)
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-
geochronology methods
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(U-Th)/He (6)
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Ar/Ar (50)
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exposure age (4)
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fission-track dating (8)
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K/Ar (11)
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Lu/Hf (2)
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Nd/Nd (1)
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optical mineralogy (1)
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optically stimulated luminescence (2)
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paleomagnetism (13)
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Pb/Pb (1)
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Rb/Sr (5)
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Re/Os (2)
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Sm/Nd (6)
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Sr/Sr (1)
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tephrochronology (2)
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Th/U (1)
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thermochronology (16)
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tree rings (1)
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U/Pb (86)
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U/Th/Pb (8)
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uranium disequilibrium (1)
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geologic age
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Cenozoic
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middle Cenozoic (1)
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Quaternary
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Holocene
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lower Holocene (2)
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upper Holocene (5)
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Pleistocene
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Bandelier Tuff (3)
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Bishop Tuff (1)
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Lake Missoula (2)
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upper Pleistocene
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Weichselian
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upper Weichselian
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Younger Dryas (2)
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-
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Wisconsinan
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upper Wisconsinan (1)
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-
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upper Quaternary (2)
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Siwalik System (2)
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Tertiary
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Challis Volcanics (1)
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Muddy Creek Formation (1)
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Neogene
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Miocene
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Columbia River Basalt Group (3)
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Grande Ronde Basalt (1)
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lower Miocene (3)
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middle Miocene (2)
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Topopah Spring Member (1)
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upper Miocene
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Baynunah Formation (1)
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Chinji Formation (1)
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Messinian
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Messinian Salinity Crisis (1)
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Tortonian (1)
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-
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Pliocene
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lower Pliocene (3)
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-
Tesuque Formation (1)
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upper Neogene (1)
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Paleogene
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Eocene
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Annot Sandstone (1)
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Colton Formation (1)
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Green River Formation (1)
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lower Eocene
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Ypresian (1)
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middle Eocene
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Bartonian (1)
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Lutetian (1)
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Swauk Formation (1)
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upper Eocene
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Priabonian (1)
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-
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Hanna Formation (1)
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Oligocene
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Fish Canyon Tuff (1)
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lower Oligocene
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Rupelian (1)
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middle Oligocene (1)
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Vicksburg Group (1)
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Paleocene
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lower Paleocene
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Danian (1)
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Puercan (1)
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middle Paleocene
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Selandian (1)
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Nacimiento Formation (1)
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upper Paleocene
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Thanetian (1)
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-
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Paleocene-Eocene Thermal Maximum (1)
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Wilcox Group (3)
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Sarmiento Formation (1)
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Yakataga Formation (1)
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Dalradian (1)
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Laurentide ice sheet (4)
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Mesozoic
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Cretaceous
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Colorado Group (2)
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Comanchean
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Buda Limestone (1)
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Glen Rose Formation (1)
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Lower Cretaceous
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Albian (5)
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Aptian (1)
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Glen Rose Formation (1)
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Mannville Group (2)
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Middle Cretaceous (2)
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Upper Cretaceous
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Belly River Formation (2)
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Blackhawk Formation (1)
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Buda Limestone (1)
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Campanian
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upper Campanian (1)
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Carlile Shale (1)
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Cenomanian (5)
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Coniacian (1)
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Fruitland Formation (1)
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Gulfian
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Eagle Ford Formation (1)
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Kanguk Formation (1)
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Kirtland Shale (1)
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Maestrichtian (1)
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Milk River Formation (1)
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Montana Group (1)
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Niobrara Formation (1)
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Ojo Alamo Sandstone (1)
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Oldman Formation (1)
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Santonian (2)
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Senonian (4)
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Tuolumne Intrusive Suite (1)
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Turonian (3)
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Viking Formation (1)
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Glen Canyon Group (1)
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Jurassic
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Bazhenov Formation (1)
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Fernie Formation (1)
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Heather Formation (1)
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Lower Jurassic
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Hettangian (1)
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lower Liassic (1)
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Toarcian (1)
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upper Liassic (1)
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Middle Jurassic
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Aalenian (2)
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Bajocian (2)
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Bathonian
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Great Oolite Group (1)
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Callovian (2)
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Norphlet Formation (1)
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Oxford Clay (1)
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San Rafael Group (1)
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Upper Jurassic
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Arab Formation (1)
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Entrada Sandstone (1)
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Kimmeridge Clay (1)
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Kimmeridgian
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lower Kimmeridgian (1)
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Morrison Formation (1)
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Oxfordian
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middle Oxfordian (1)
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upper Oxfordian (1)
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Tithonian (1)
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-
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lower Mesozoic (1)
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Navajo Sandstone (1)
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Triassic
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Charlie Lake Formation (1)
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Middle Triassic
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Anisian (2)
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Doig Formation (1)
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Ladinian (1)
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-
Moenkopi Formation (1)
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Upper Triassic
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Carnian (2)
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Chinle Formation (1)
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Mercia Mudstone (2)
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Norian (1)
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Rhaetian (1)
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-
-
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Paleozoic
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Arbuckle Group (1)
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Cambrian
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Acadian (2)
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Lower Cambrian
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Pinney Hollow Formation (1)
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Rome Formation (2)
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Middle Cambrian (2)
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Upper Cambrian
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Bonneterre Formation (1)
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Copper Ridge Dolomite (1)
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Eau Claire Formation (2)
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Lamotte Sandstone (1)
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Mount Simon Sandstone (1)
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-
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Carboniferous
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Lower Carboniferous
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Dinantian (2)
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-
Mabou Group (2)
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Mississippian
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Lower Mississippian
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Tournaisian (1)
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-
Macumber Formation (1)
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Madison Group (1)
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Middle Mississippian
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Visean
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upper Visean (1)
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-
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Upper Mississippian
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Chesterian (2)
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Meramecian
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Salem Limestone (1)
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Serpukhovian (1)
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Windsor Group (2)
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-
Pennsylvanian
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Cumberland Group (1)
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Joggins Formation (1)
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Lower Pennsylvanian
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Morrowan
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Bloyd Formation (1)
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-
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Upper Pennsylvanian (2)
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Watahomigi Formation (1)
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Upper Carboniferous (1)
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