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Paleozoic
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Cambrian
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Mount Read Volcanics (3)
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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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Redwall Limestone (1)
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Devonian
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Middle Devonian (1)
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Upper Devonian
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Frasnian (1)
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lower Paleozoic (2)
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Ordovician
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Permian (1)
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Silurian
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Lower Silurian
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Llandovery (2)
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Precambrian
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Archean
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Neoarchean (3)
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Central Rand Group (2)
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Levack Gneiss (3)
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Nipissing Diabase (1)
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Stillwater Complex (2)
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Transvaal Supergroup (1)
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upper Precambrian
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Proterozoic
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Huronian
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Onaping Formation (1)
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Mesoproterozoic
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Belt Supergroup (2)
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Neoproterozoic
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Riphean
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upper Riphean (1)
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Vendian (1)
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Paleoproterozoic
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Chelmsford Formation (1)
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Rooiberg Group (1)
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Urquhart Shale (1)
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Whitewater Group (1)
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Witwatersrand Supergroup (2)
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igneous rocks
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igneous rocks
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carbonatites (1)
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granophyre (3)
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hypabyssal rocks (1)
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kimberlite (1)
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picrite (2)
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plutonic rocks
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diabase
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diorites
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plagiogranite (3)
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gabbros
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granites
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granite porphyry (2)
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microgranite (1)
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granodiorites (2)
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lamprophyres (1)
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ultramafics
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chromitite (2)
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peridotites
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dunite (7)
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harzburgite (2)
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pyroxenite
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orthopyroxenite (1)
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-
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porphyry (11)
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volcanic rocks
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andesites
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andesite porphyry (1)
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boninite (1)
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basalts
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alkali basalts
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hawaiite (1)
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tholeiite (1)
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dacites (6)
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ophiolite (9)
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metamorphic rocks
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amphibolites (1)
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impactites
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listwanite (4)
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metasedimentary rocks (6)
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metasomatic rocks
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propylite (1)
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metavolcanic rocks (2)
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slates (1)
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ophiolite (9)
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meteorites
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meteorites
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rumurutiites (1)
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minerals
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alloys
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electrum (4)
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antimonides
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arsenides
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bismuthides
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carbonates
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halides
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minerals (3)
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native elements
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oxides
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phosphates
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silicates
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pyroxene group
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clinopyroxene
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aegirine (1)
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framework silicates
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feldspar group
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alkali feldspar
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adularia (8)
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silica minerals
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orthosilicates
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topaz (1)
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zircon group
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coffinite (1)
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zircon (7)
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ring silicates
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tourmaline group
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sheet silicates
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clay minerals
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kaolinite (1)
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illite (2)
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mica group
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sericite (3)
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serpentine group
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serpentine (1)
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sulfates
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alunite (5)
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anglesite (1)
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jarosite (2)
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sulfides
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galena (6)
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orpiment (1)
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sulfostannates
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tellurides
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tungstates
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wehrlite (1)
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Primary terms
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Africa
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Australasia
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Ontario
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carbon
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Cenozoic
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Malay Archipelago
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Mesozoic
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