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all geography including DSDP/ODP Sites and Legs
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Para Brazil
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Invertebrata
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Brachiopoda
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Echinodermata
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Oxfordian (1)
-
Salt Wash Sandstone Member (1)
-
-
-
Serra Geral Formation (2)
-
Triassic
-
Lower Triassic
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Permian-Triassic boundary (1)
-
-
Middle Triassic
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Anisian (1)
-
-
Upper Triassic
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Carnian
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Ischigualasto Formation (1)
-
-
-
-
-
Paleozoic
-
Cambrian (5)
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Carboniferous
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Lower Carboniferous
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Dinantian (1)
-
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Mississippian
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Middle Mississippian
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Visean
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upper Visean (1)
-
-
-
Upper Mississippian
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Serpukhovian (1)
-
-
-
-
Devonian
-
Cedar City Formation (1)
-
Lower Devonian (1)
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Middle Devonian (1)
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Itarare Subgroup (3)
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lower Paleozoic (1)
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Ordovician
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Upper Ordovician
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Hirnantian (1)
-
-
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Permian
-
Irati Formation (5)
-
Lower Permian (1)
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Passa Dois Group (2)
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Phosphoria Formation (1)
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Rio Bonito Formation (2)
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Upper Permian
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Permian-Triassic boundary (1)
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Rio do Rasto Formation (1)
-
-
-
Silurian
-
Lower Silurian
-
Llandovery (2)
-
-
-
upper Paleozoic
-
Tubarao Group (1)
-
-
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Phanerozoic (1)
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Precambrian
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Archean
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Hadean (1)
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upper Precambrian
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Proterozoic
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Mesoproterozoic (1)
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Neoproterozoic
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Cryogenian (2)
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Paleoproterozoic (8)
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-
-
-
-
igneous rocks
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igneous rocks
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carbonatites (13)
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kimberlite (3)
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phoscorites (1)
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plutonic rocks
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diabase (1)
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gabbros
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alkali gabbros (1)
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-
granites
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A-type granites (1)
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biotite granite (1)
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monzogranite (2)
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pegmatite (14)
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syenites
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nepheline syenite (2)
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ultramafics
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peridotites (2)
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pyroxenite (1)
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-
-
volcanic rocks
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basalts
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flood basalts (2)
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komatiite (1)
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pyroclastics
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hyaloclastite (1)
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ignimbrite (1)
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tuffite (1)
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rhyodacites (1)
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rhyolites (4)
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-
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pyrolite (1)
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volcanic ash (1)
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impactites
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itabirite (1)
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marbles (1)
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metasomatic rocks
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greisen (1)
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turbidite (16)
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meteorites
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minerals
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alloys
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carbides
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arsenides (1)
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carbonates
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calcite (4)
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halides
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fluorides
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native elements
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organic minerals
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amber (2)
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oxides
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corundum (3)
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cryptomelane (2)
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gibbsite (3)
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oxyhydroxides (1)
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ilmenite (3)
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iron oxides (6)
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niobates
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nsutite (1)
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rutile (2)
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wustite (2)
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phosphates
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fluorapatite (2)
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platinum minerals (1)
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silicates
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chain silicates
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amphibole group
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clinoamphibole
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hornblende (1)
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tremolite (1)
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-
-
pyroxene group
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clinopyroxene
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aegirine (1)
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aegirine-augite (1)
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augite (1)
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pigeonite (1)
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spodumene (1)
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orthopyroxene (1)
-
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wollastonite group
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wollastonite (1)
-
-
-
framework silicates
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feldspar group
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alkali feldspar (1)
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plagioclase (1)
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nepheline group
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kalsilite (2)
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nepheline (2)
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silica minerals
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agate (2)
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amethyst (3)
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chalcedony (1)
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moganite (2)
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quartz (11)
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sodalite group
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sodalite (1)
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zeolite group (1)
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magnesian silicates (1)
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orthosilicates
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andalusite (1)
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braunite (1)
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garnet group
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almandine (1)
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melanite (1)
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pyrope (1)
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spessartine (2)
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kyanite (1)
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merwinite (1)
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olivine group
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wadsleyite (1)
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topaz (2)
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zircon group
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zircon (11)
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-
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ring silicates
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aquamarine (2)
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beryl (6)
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emerald (5)
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milarite group
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osumilite (1)
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tourmaline group
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elbaite (1)
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schorl (1)
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-
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sheet silicates
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cerolite (1)
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chlorite group
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clay minerals
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halloysite (3)
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kaolinite (16)
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stevensite (1)
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corrensite (2)
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illite (4)
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mica group
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biotite (3)
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muscovite (2)
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phlogopite (3)
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-
palygorskite (1)
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petalite (1)
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sepiolite (1)
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talc (2)
-
-
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sulfates
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gypsum (1)
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sulfides
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chalcopyrite (1)
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millerite (1)
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molybdenite (1)
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pentlandite (1)
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pyrite (2)
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violarite (1)
-
-
-
Primary terms
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absolute age (21)
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Africa
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Antarctica
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Asia
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associations (1)
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Atlantic Ocean
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Romanche fracture zone (1)
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Espirito Santo Basin (5)
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bacteria (3)
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boron
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brines (2)
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Canada
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Western Canada
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carbon
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C-13/C-12 (14)
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organic carbon (4)
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Caribbean region
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Lesser Antilles
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Bahamas (1)
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catalogs (1)
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Cenozoic
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Quaternary
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upper Holocene (1)
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Pleistocene
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upper Pleistocene
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upper Weichselian
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Younger Dryas (1)
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-
-
-
-
upper Quaternary (2)
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Tertiary
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Barreiras Formation (2)
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Neogene
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Miocene
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Columbia River Basalt Group (1)
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upper Miocene (3)
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Pliocene (2)
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Paleogene
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Eocene
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Green River Formation (1)
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lower Eocene
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upper Eocene (1)
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Oligocene
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upper Oligocene (1)
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Paleocene (3)
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upper Tertiary (1)
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Central America
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chemical analysis (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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Osteichthyes
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Actinopterygii
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Teleostei
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Perciformes (1)
-
-
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Sarcopterygii
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Crossopterygii
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Actinistia (1)
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Tetrapoda
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Aves
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Mammalia
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Metatheria
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Marsupialia (1)
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Reptilia
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dinosaurs
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Synapsida
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Therapsida
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Dicynodontia (1)
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-
-
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clay mineralogy (24)
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climate change (9)
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pegmatite (14)
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volcanic rocks
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inclusions
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Integrated Ocean Drilling Program (1)
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Invertebrata
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Brachiopoda
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Articulata
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Echinodermata
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Protista
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Textulariina (2)
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stable isotopes
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Mesozoic
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Carrara Marble (1)
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Cretaceous
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Lower Cretaceous
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Albian (7)
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Aptian (6)
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Barremian (2)
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Crato Formation (1)
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Hauterivian (1)
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Lagoa Feia Formation (3)
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Neocomian (3)
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Macae Formation (2)
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Middle Cretaceous (2)
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Santana Formation (4)
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Upper Cretaceous
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Cenomanian (1)
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Santonian (1)
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Senonian (2)
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Jurassic
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Ferrar Group (1)
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Upper Jurassic
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Kimmeridge Clay (1)
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Oxfordian (1)
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Salt Wash Sandstone Member (1)
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Serra Geral Formation (2)
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Triassic
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Lower Triassic
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Permian-Triassic boundary (1)
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Middle Triassic
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Anisian (1)
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Upper Triassic
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Carnian
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Ischigualasto Formation (1)
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metal ores
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base metals (1)
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cobalt ores (1)
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copper ores (5)
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gold ores (10)
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iron ores (2)
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lead ores (2)
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lead-zinc deposits (1)
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manganese ores (2)
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nickel ores (1)
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niobium ores (2)
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palladium ores (1)
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platinum ores (2)
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polymetallic ores (1)
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rare earth deposits (1)
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silver ores (2)
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zinc ores (2)
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metals
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actinides
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plutonium
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Pu-244 (1)
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thorium
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Th-230 (1)
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uranium (3)
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alkali metals
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lithium
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Li-7/Li-6 (3)
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potassium (2)
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sodium (1)
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alkaline earth metals
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barium (2)
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beryllium (4)
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calcium
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Mg/Ca (1)
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magnesium
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Mg/Ca (1)
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strontium
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Sr-87/Sr-86 (3)
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aluminum (2)
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arsenic (1)
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cadmium (1)
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chromium (5)
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cobalt (1)
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copper (4)
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gold (2)
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hafnium
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Hf-177/Hf-176 (2)
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iron
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Fe-57 (1)
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ferric iron (1)
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ferrous iron (1)
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lead (1)
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manganese (7)
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mercury (3)
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nickel (6)
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platinum group
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iridium (1)
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osmium (1)
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palladium (2)
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palladium ores (1)
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platinum (1)
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platinum ores (2)
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rhodium (1)
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ruthenium (1)
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rare earths
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neodymium
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Nd-144/Nd-143 (1)
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tantalum (1)
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thallium (1)
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tin (3)
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tungsten (1)
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vanadium (2)
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zinc (1)
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zirconium (1)
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metamorphic rocks
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amphibolites (1)
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eclogite (3)
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gneisses
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orthogneiss (1)
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impactites
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impact breccia (1)
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itabirite (1)
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marbles (1)
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metaigneous rocks
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serpentinite (1)
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metasedimentary rocks
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metagraywacke (1)
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metasomatic rocks
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greisen (1)
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serpentinite (1)
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schists (1)
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metamorphism (10)
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metasomatism (10)
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meteorites (1)
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Mexico (5)
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micropaleontology (1)
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mineral deposits, genesis (30)
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mineral exploration (13)
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mineral resources (2)
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mineralogy (25)
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minerals (17)
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mining geology (1)
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Mohorovicic discontinuity (3)
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museums (4)
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nitrogen
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N-15/N-14 (2)
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noble gases
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argon
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Ar-40 (1)
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Ar-40/Ar-36 (1)
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xenon (1)
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North America
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Basin and Range Province (1)
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Canadian Shield
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Superior Province (1)
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Rocky Mountains
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U. S. Rocky Mountains
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Wind River Range (1)
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Yukon River (1)
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ocean basins (1)
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ocean circulation (1)
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Ocean Drilling Program (1)
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ocean floors (8)
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ocean waves (1)
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Oceania
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Polynesia
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Hawaii (1)
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oceanography (15)
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oil and gas fields (20)
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orogeny (5)
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oxygen
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O-17/O-16 (1)
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O-18 (1)
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O-18/O-16 (11)
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Pacific Ocean
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East Pacific
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Northeast Pacific
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Gulf of California (1)
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Southeast Pacific (1)
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North Pacific
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Northeast Pacific
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Gulf of California (1)
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Northwest Pacific
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Nankai Trough (1)
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South Pacific
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Southeast Pacific (1)
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Southwest Pacific
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Tasman Sea (1)
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West Pacific
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Northwest Pacific
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Nankai Trough (1)
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Southwest Pacific
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Tasman Sea (1)
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Sunda Shelf (1)
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-
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paleobotany (5)
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paleoclimatology (12)
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paleoecology (9)
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paleogeography (10)
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paleomagnetism (5)
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paleontology (15)
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Paleozoic
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Cambrian (5)
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Carboniferous
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Lower Carboniferous
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Dinantian (1)
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Mississippian
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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 (1)
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Devonian
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Cedar City Formation (1)
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Lower Devonian (1)
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Middle Devonian (1)
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Upper Devonian (1)
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Itarare Subgroup (3)
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lower Paleozoic (1)
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Ordovician
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Upper Ordovician
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Hirnantian (1)
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Permian
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Irati Formation (5)
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Lower Permian (1)
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Middle Permian (1)
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Passa Dois Group (2)
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Phosphoria Formation (1)
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Rio Bonito Formation (2)
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Upper Permian
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Permian-Triassic boundary (1)
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Rio do Rasto Formation (1)
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Silurian
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Lower Silurian
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Llandovery (2)
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upper Paleozoic
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Tubarao Group (1)
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palynology (1)
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palynomorphs
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acritarchs (4)
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Chitinozoa (3)
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megaspores (1)
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miospores
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pollen (19)
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paragenesis (6)
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petroleum
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natural gas
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shale gas (1)
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petrology (6)
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Phanerozoic (1)
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phase equilibria (4)
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phosphate deposits (1)
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phosphorus (1)
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placers (7)
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Plantae
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algae
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Chlorophyta
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Tasmanites (1)
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Pteridophyta
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Lycopsida (1)
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Sphenopsida (1)
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Spermatophyta
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Angiospermae
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Dicotyledoneae
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Compositae (2)
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Monocotyledoneae (1)
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Gymnospermae
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Pteridospermae (1)
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plate tectonics (29)
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pollution (7)
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Precambrian
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Archean
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Neoarchean (1)
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Hadean (1)
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