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all geography including DSDP/ODP Sites and Legs
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Pacific region
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Reptilia
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Brachiopoda
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Inarticulata
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Echinodermata
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Triassic
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Paleozoic
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Primary terms
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Reptilia
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Globigerinacea (1)
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Nodosariacea (1)
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Textulariina
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Lituolacea
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Lituolidae
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Haplophragmoides (1)
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Trochammina (1)
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Radiolaria (1)
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Vermes
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Annelida (2)
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isotopes
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radioactive isotopes
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Ar-40/Ar-39 (2)
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C-14 (4)
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Pb-206/Pb-204 (2)
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Pb-207/Pb-204 (2)
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Pb-208/Pb-204 (2)
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Rn-222 (1)
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U-238/Pb-206 (1)
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stable isotopes
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Ar-40/Ar-39 (2)
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C-13/C-12 (20)
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D/H (2)
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deuterium (1)
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He-4 (1)
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Nd-144/Nd-143 (1)
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O-18/O-16 (14)
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Os-188/Os-187 (2)
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Pb-206/Pb-204 (2)
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Pb-207/Pb-204 (2)
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Pb-208/Pb-204 (2)
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S-34/S-32 (3)
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Sr-87/Sr-86 (6)
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U-238/Pb-206 (1)
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land subsidence (4)
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land use (2)
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lava (8)
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limestone deposits (2)
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lineation (7)
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magmas (8)
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mantle (2)
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maps (6)
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marine geology (3)
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Mesozoic
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Carrara Marble (1)
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Cretaceous
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Lower Cretaceous (1)
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Lower Greensand (1)
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Upper Cretaceous (3)
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Jurassic
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Lower Jurassic
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Hettangian (1)
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lower Liassic (3)
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Pliensbachian (5)
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Sinemurian (2)
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Toarcian
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lower Toarcian (2)
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Triassic-Jurassic boundary (2)
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upper Liassic (2)
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Middle Jurassic
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Aalenian (1)
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Bajocian (1)
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Bathonian
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Great Oolite Group (1)
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Callovian (1)
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Oxford Clay (1)
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Upper Jurassic
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Entrada Sandstone (1)
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Kimmeridge Clay (1)
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Oxfordian (1)
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Triassic
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Lower Triassic
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Bunter (2)
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Sherwood Sandstone (3)
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Upper Triassic
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Keuper (1)
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Mercia Mudstone (3)
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Rhaetian
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Penarth Group (2)
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Triassic-Jurassic boundary (2)
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metal ores
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base metals (2)
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copper ores (5)
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gold ores (3)
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iron ores (1)
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lead ores (7)
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lead-zinc deposits (5)
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polymetallic ores (1)
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pyrite ores (1)
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tin ores (1)
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uranium ores (2)
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zinc ores (6)
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metals
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actinides
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uranium
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U-238/Pb-206 (1)
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alkali metals
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potassium (1)
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alkaline earth metals
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calcium
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Sr/Ca (1)
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strontium
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Sr/Ca (1)
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Sr-87/Sr-86 (6)
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aluminum (2)
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arsenic (1)
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bismuth (1)
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cadmium (1)
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copper (3)
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gold (1)
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indium (1)
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iron (4)
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lead
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Pb-206/Pb-204 (2)
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Pb-207/Pb-204 (2)
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Pb-208/Pb-204 (2)
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U-238/Pb-206 (1)
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manganese (6)
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mercury (1)
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molybdenum (1)
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platinum group
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iridium (1)
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osmium
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Os-188/Os-187 (2)
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rare earths
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cerium (1)
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neodymium
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Nd-144/Nd-143 (1)
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samarium (1)
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rhenium (1)
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silver (1)
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tin (1)
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tungsten (1)
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zinc (2)
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metamorphic rocks
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gneisses
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paragneiss (1)
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hornfels (1)
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marbles (2)
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metaigneous rocks
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meta-andesite (1)
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metabasalt (2)
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metabasite (3)
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serpentinite (1)
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metasedimentary rocks
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metapelite (2)
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metasandstone (1)
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paragneiss (1)
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metasomatic rocks
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serpentinite (1)
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metavolcanic rocks (4)
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mylonites (1)
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phyllites (1)
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quartzites (1)
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schists
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blueschist (3)
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greenschist (1)
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slates (5)
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metamorphism (21)
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metasomatism (13)
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meteorites
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stony meteorites
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chondrites (1)
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micropaleontology (1)
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mineral deposits, genesis (14)
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minerals (13)
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mining geology (2)
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museums (1)
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noble gases
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argon
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Ar-40/Ar-39 (2)
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helium
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He-4 (1)
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radon
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Rn-222 (1)
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nodules (1)
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North America
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Appalachian Basin (1)
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Appalachians (4)
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ocean basins (1)
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ocean circulation (1)
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ocean floors (2)
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ocean waves (1)
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oceanography (3)
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orogeny (19)
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oxygen
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O-18/O-16 (14)
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Pacific Ocean
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East Pacific
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Northeast Pacific
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Monterey Fan (1)
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North Pacific
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Northeast Pacific
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Monterey Fan (1)
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Pacific region
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Pacific mobile belt (1)
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paleobotany (6)
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paleoclimatology (15)
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paleoecology (36)
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paleogeography (41)
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paleomagnetism (13)
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paleontology (53)
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Paleozoic
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Cambrian
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Acadian (1)
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Lower Cambrian
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Terreneuvian (1)
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Middle Cambrian
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Burgess Shale (2)
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Wheeler Formation (1)
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Upper Cambrian
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Furongian (1)
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Goldenville Formation (1)
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Carboniferous
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Lower Carboniferous
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Asbian (2)
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Dinantian (15)
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Mississippian
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Lower Mississippian
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Tournaisian (1)
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Middle Mississippian
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Visean
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upper Visean (1)
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Upper Mississippian
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Serpukhovian (2)
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Namurian (5)
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Pennsylvanian
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Lower Pennsylvanian (2)
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Middle Pennsylvanian (1)
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Morien Group (1)
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Upper Pennsylvanian (2)
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Silesian (1)
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Upper Carboniferous
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Millstone Grit (2)
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Stephanian (5)
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Westphalian (12)
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Devonian
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Lower Devonian
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Dittonian (4)
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Gedinnian (1)
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Lochkovian (3)
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Pragian (1)
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Siegenian (1)
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Middle Devonian
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Eifelian (1)
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Old Red Sandstone (24)
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Upper Devonian (1)
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Downtonian (5)
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Helderberg Group (1)
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lower Paleozoic (14)
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middle Paleozoic (1)
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Ordovician
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Lower Ordovician
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Arenigian (10)
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Tremadocian (20)
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Meguma Group (4)
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Middle Ordovician
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Darriwilian (3)
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Llandeilian (6)
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Llanvirnian (7)
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Upper Ordovician
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Ashgillian (12)
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Caradocian (25)
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Hirnantian (1)
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Katian (2)
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Sandbian (3)
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Permian
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