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Tertiary
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Oligocene
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Mesozoic
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Lower Cretaceous
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Albian
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Ordovician
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Permian
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Capitan Formation (2)
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Wordian (1)
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Khuff Formation (1)
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Lower Permian
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Upper Permian
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Lopingian
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Silurian
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Lockport Formation (1)
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upper Paleozoic (1)
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Phanerozoic (4)
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Precambrian
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Archean (3)
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upper Precambrian
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Proterozoic
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Neoproterozoic (1)
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igneous rocks
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agglutinates (1)
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extrusive rocks (1)
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igneous rocks
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plutonic rocks
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diabase (3)
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diorites
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plagiogranite (1)
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tonalite (5)
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trondhjemite (3)
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gabbros (7)
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felsite (1)
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granodiorites (5)
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quartz monzonite (2)
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syenites (1)
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ultramafics
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chromitite (6)
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peridotites
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dunite (1)
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harzburgite (3)
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porphyry (6)
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volcanic rocks
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adakites (1)
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andesites
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boninite (2)
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basalts
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alkali basalts
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spilite (3)
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flood basalts (1)
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mid-ocean ridge basalts (4)
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ocean-island basalts (1)
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olivine basalt (1)
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tholeiite (11)
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tholeiitic basalt (2)
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basanite
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ankaramite (1)
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dacites (6)
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glasses
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volcanic glass (2)
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keratophyre (1)
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komatiite (2)
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pyroclastics
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ash-flow tuff (1)
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ignimbrite (4)
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pumice (8)
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tuff (7)
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tuffite (1)
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welded tuff (1)
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rhyodacites (3)
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rhyolites
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quartz porphyry (1)
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ophiolite (19)
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volcanic ash (15)
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metamorphic rocks
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metamorphic rocks
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amphibolites
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orthoamphibolite (1)
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eclogite (8)
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gneisses (2)
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granulites (1)
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hornfels (2)
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jadeitite (4)
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marbles (1)
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metaigneous rocks
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meta-andesite (1)
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metabasalt (3)
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metabasite (1)
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metadacite (1)
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metagranite (2)
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metaperidotite (1)
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metatuff (1)
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serpentinite (12)
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metasedimentary rocks
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metachert (1)
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metagraywacke (1)
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metalimestone (1)
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metasandstone (1)
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metasomatic rocks
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serpentinite (12)
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skarn (3)
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metavolcanic rocks (4)
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mylonites
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pseudotachylite (1)
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phyllites (2)
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quartzites (2)
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schists
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blueschist (6)
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glaucophane schist (2)
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greenschist (1)
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ophiolite (19)
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turbidite (29)
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meteorites
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meteorites (1)
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minerals
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alloys (4)
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arsenides (1)
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carbonates
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aragonite (46)
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calcite (54)
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dolomite (33)
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halides
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fluorides
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fluorite (1)
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hydrates (1)
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minerals (36)
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native elements
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diamond
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organic minerals
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amber (6)
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oxalates
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weddellite (2)
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oxides
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aluminum oxides (1)
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brucite (1)
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chrome spinel (2)
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chromite (7)
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corundum (1)
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magnetite (5)
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spinel (2)
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phosphates
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apatite (4)
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platinum minerals (1)
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silicates
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aluminosilicates (1)
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chain silicates
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amphibole group
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clinoamphibole
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actinolite (1)
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glaucophane (3)
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hornblende (6)
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-
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deerite (1)
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jade (1)
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pyroxene group
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clinopyroxene
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augite (2)
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fassaite (1)
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jadeite (6)
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omphacite (5)
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orthopyroxene
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enstatite (1)
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wollastonite group
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wollastonite (1)
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xonotlite (2)
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framework silicates
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feldspar group
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alkali feldspar
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adularia (4)
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K-feldspar (1)
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plagioclase
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anorthite (1)
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silica minerals
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cristobalite (1)
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opal (2)
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quartz (12)
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zeolite group
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clinoptilolite (1)
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mordenite (1)
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wairakite (1)
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-
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garnierite (2)
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orthosilicates
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nesosilicates
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garnet group
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grossular (1)
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majorite (1)
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uvarovite (1)
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kyanite (1)
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olivine group
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olivine (3)
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zircon group
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zircon (24)
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-
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sorosilicates
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epidote group
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epidote (1)
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-
lawsonite (6)
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pumpellyite group
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pumpellyite (4)
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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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chlorite (2)
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clinochlore (1)
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clay minerals
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beidellite (1)
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dickite (1)
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kaolinite (6)
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montmorillonite (4)
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nontronite (1)
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saponite (1)
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smectite (8)
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illite (6)
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mica group
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biotite (3)
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celadonite (1)
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glauconite (1)
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muscovite (3)
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paragonite (1)
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phengite (2)
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phlogopite (1)
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palygorskite (1)
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pyrophyllite (1)
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sepiolite (3)
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sericite (1)
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serpentine group
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chrysotile (1)
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lizardite (1)
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serpentine (5)
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talc (1)
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sulfates
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alunite (1)
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anhydrite (3)
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barite (1)
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gypsum (2)
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halotrichite (1)
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jarosite (1)
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melanterite (1)
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sulfides
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chalcopyrite (1)
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iron sulfides (1)
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kesterite (1)
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laurite (3)
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millerite (1)
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molybdenite (3)
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pentlandite (1)
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pyrite (7)
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sphalerite (3)
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sulfosalts
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sulfostannates
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stannite (1)
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Primary terms
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absolute age (117)
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academic institutions (1)
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Africa
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Central Africa
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Congo (1)
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East Africa
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North Africa
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Tunisia
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El Kef Tunisia (1)
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Sahara (1)
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Southern Africa
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Namibia (1)
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South Africa (1)
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West Africa
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Guinea (1)
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Liberia (1)
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Nigeria
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Senegal (1)
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Sierra Leone (2)
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West African Craton (1)
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Antarctica
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Antarctic ice sheet
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West Antarctic ice sheet (1)
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Arctic Ocean
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Arctic region
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Greenland
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Asia
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Arabian Peninsula
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