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all geography including DSDP/ODP Sites and Legs
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Africa
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Chad Basin (2)
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East Africa
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placers (1)
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elements, isotopes
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C-13/C-12 (31)
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organic carbon (37)
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chemical elements (2)
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isotope ratios (32)
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stable isotopes
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C-13/C-12 (31)
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O-18/O-16 (15)
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Os-188/Os-187 (1)
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S-34/S-32 (2)
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metals
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ferrous iron (8)
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lead
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Pb-206/Pb-204 (1)
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Pb-207/Pb-204 (1)
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manganese (1)
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Os-188/Os-187 (1)
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nitrogen (7)
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oxygen
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O-18/O-16 (15)
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phosphorus (1)
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organic sulfur (2)
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S-34/S-32 (2)
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fossils
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Graptolithina (6)
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Invertebrata
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Insecta
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Brachiopoda (1)
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Protista
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Foraminifera (2)
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Vermes
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Plantae
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Chlorophyta
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Tasmanites (1)
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Pteridophyta (1)
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Spermatophyta
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Angiospermae
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Dicotyledoneae
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Betula (1)
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-
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Gymnospermae
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Coniferales
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Picea (1)
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Pinaceae
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Larix (1)
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Pinus (1)
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-
-
-
-
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thallophytes (4)
-
-
geochronology methods
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(U-Th)/He (1)
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Ar/Ar (3)
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fission-track dating (15)
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K/Ar (10)
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optical mineralogy (7)
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geologic age
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Cenozoic
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Quaternary
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Tertiary
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Florissant Lake Beds (1)
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middle Tertiary (1)
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Neogene
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Miocene
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lower Miocene (5)
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middle Miocene (2)
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Sarmatian (1)
-
upper Miocene
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Mount Messenger Formation (1)
-
-
-
Pliocene (7)
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upper Neogene (1)
-
-
Paleogene
-
Eocene
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Green River Formation (8)
-
lower Eocene
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Thebes Formation (1)
-
-
middle Eocene
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Sparta Sand (1)
-
-
upper Eocene
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Uinta Formation (1)
-
-
-
Hanna Formation (1)
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Kapuni Group (1)
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Kenai Group (1)
-
Oligocene
-
lower Oligocene (1)
-
upper Oligocene (1)
-
-
Paleocene
-
lower Paleocene
-
K-T boundary (2)
-
-
Midway Group (1)
-
-
Tyonek Formation (1)
-
Wasatch Formation (1)
-
Wilcox Group (3)
-
-
-
-
Coal Measures (1)
-
Mesozoic
-
Cretaceous
-
Asu River Group (1)
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Colorado Group (1)
-
Comanchean
-
Paluxy Formation (1)
-
Rodessa Formation (1)
-
-
Graneros Shale (1)
-
Lower Cretaceous
-
Albian (3)
-
Bear River Formation (1)
-
Blackleaf Formation (1)
-
Bluesky Formation (2)
-
Cadomin Formation (1)
-
Gething Formation (3)
-
Hauterivian (1)
-
Mannville Group (2)
-
McMurray Formation (1)
-
Moosebar Formation (1)
-
Mowry Shale (3)
-
Muddy Sandstone (2)
-
Paluxy Formation (1)
-
Rodessa Formation (1)
-
Skull Creek Shale (1)
-
Spirit River Formation (1)
-
Valanginian (1)
-
-
Mancos Shale (3)
-
Middle Cretaceous (1)
-
Upper Cretaceous
-
Almond Formation (1)
-
Belle Fourche Shale (1)
-
Belly River Formation (1)
-
Campanian (1)
-
Cardium Formation (1)
-
Carlile Shale (1)
-
Cenomanian (2)
-
Cody Shale (2)
-
Coniacian (1)
-
Eutaw Formation (1)
-
Ferron Sandstone Member (1)
-
Frontier Formation (2)
-
Fruitland Formation (3)
-
Greenhorn Limestone (1)
-
Gulfian
-
Austin Chalk (1)
-
Eagle Ford Formation (1)
-
Woodbine Formation (1)
-
-
Honna Formation (1)
-
K-T boundary (2)
-
La Luna Formation (1)
-
Lance Formation (1)
-
Maestrichtian (2)
-
Mesaverde Group (1)
-
Niobrara Formation (2)
-
Pakawau Group (1)
-
Pierre Shale (1)
-
Santonian (2)
-
Senonian (3)
-
Shannon Sandstone Member (1)
-
Tuscaloosa Formation (1)
-
Williams Fork Formation (1)
-
-
Viking Formation (1)
-
Yezo Group (1)
-
-
Franciscan Complex (3)
-
Great Valley Sequence (1)
-
Jurassic
-
Aztec Sandstone (1)
-
Bazhenov Formation (1)
-
Lower Jurassic
-
middle Liassic (1)
-
Pliensbachian (1)
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Toarcian (1)
-
upper Liassic (1)
-
-
Middle Jurassic
-
Bajocian
-
Brent Group (1)
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Yakoun Group (1)
-
-
-
Norphlet Formation (1)
-
Upper Jurassic
-
Fulmar Formation (1)
-
Haynesville Formation (1)
-
Kimmeridge Clay (1)
-
Kimmeridgian (1)
-
Oxfordian (1)
-
Smackover Formation (1)
-
Volgian (1)
-
-
-
Kunga Group (2)
-
Navajo Sandstone (1)
-
Newark Supergroup (2)
-
Nugget Sandstone (1)
-
Sandilands Formation (2)
-
Shimanto Group (1)
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (1)
-
-
Middle Triassic (2)
-
Montney Formation (1)
-
Sherwood Sandstone (1)
-
Upper Triassic
-
Mercia Mudstone (1)
-
Rhaetian (1)
-
Yanchang Formation (3)
-
-
-
Yanshanian (1)
-
-
Paleozoic
-
Cambrian
-
Lower Cambrian (2)
-
Upper Cambrian
-
Bonneterre Formation (1)
-
-
-
Carboniferous
-
Albert Formation (1)
-
Jackfork Group (2)
-
Lower Carboniferous
-
Dinantian (6)
-
-
Middle Carboniferous (1)
-
Mississippian
-
Barnett Shale (2)
-
Chainman Shale (1)
-
Lower Mississippian
-
Osagian
-
Burlington Limestone (1)
-
-
Tournaisian (2)
-
-
Middle Mississippian
-
Visean (4)
-
-
Stanley Group (2)
-
Upper Mississippian
-
Chesterian (1)
-
Heath Formation (1)
-
Meramecian
-
Saint Louis Limestone (1)
-
Sainte Genevieve Limestone (1)
-
Salem Limestone (1)
-
-
-
Windsor Group (2)
-
-
Namurian (2)
-
Pennsylvanian
-
Kittanning Formation (1)
-
Mary Lee Coal (1)
-
Middle Pennsylvanian
-
Allegheny Group (1)
-
Atokan
-
Atoka Formation (2)
-
-
Desmoinesian
-
Spiro Sandstone (1)
-
-
-
Morrow Formation (1)
-
Pottsville Group (1)
-
Strawn Series (1)
-
Upper Pennsylvanian
-
Cisco Group (1)
-
Sturgis Formation (2)
-
-
-
Springer Formation (1)
-
Upper Carboniferous
-
Stephanian (1)
-
Westphalian (4)
-
-
-
Chattanooga Shale (1)
-
Cow Head Group (1)
-
Devonian
-
Keg River Formation (1)
-
Lower Devonian
-
Dittonian (1)
-
Lochkovian (1)
-
York River Formation (1)
-
-
Middle Devonian
-
Marcellus Shale (1)
-
Nahanni Formation (1)
-
Sulphur Point Formation (1)
-
Winnipegosis Formation (1)
-
-
Old Red Sandstone (3)
-
Slave Point Formation (1)
-
Upper Devonian
-
Frasnian (2)
-
Huron Member (2)
-
Ohio Shale (2)
-
West Falls Formation (1)
-
-
-
Hanson Creek Formation (1)
-
Horton Group (1)
-
Hunton Group (1)
-
lower Paleozoic
-
Cape Phillips Formation (1)
-
-
New Albany Shale (1)
-
Ordovician
-
Eureka Quartzite (1)
-
Lower Ordovician
-
Beekmantown Group (1)
-
-
Meguma Group (1)
-
Middle Ordovician
-
Table Head Group (1)
-
-
Trenton Group (2)
-
Upper Ordovician
-
Hirnantian (1)
-
Katian (1)
-
Trentonian (2)
-
Wufeng Formation (1)
-
-
Utica Shale (1)
-
Viola Limestone (1)
-
-
Permian
-
Lower Permian
-
Cisuralian
-
Artinskian (1)
-
-
-
Phosphoria Formation (2)
-
Rotliegendes (1)
-
Upper Permian
-
Permian-Triassic boundary (1)
-
-
-
Pilot Shale (2)
-
Silurian
-
Lower Silurian
-
Llandovery
-
Rhuddanian (1)
-
-
Wenlock
-
Homerian (1)
-
-
-
Middle Silurian
-
Roberts Mountains Formation (1)
-
-
Upper Silurian
-
Ludlow (1)
-
-
-
Tensleep Sandstone (1)
-
upper Paleozoic
-
Bakken Formation (2)
-
Kaskaskia Sequence (1)
-
-
Woodford Shale (9)
-
-
Phanerozoic (4)
-
Precambrian
-
Archean (3)
-
Hecla Hoek Formation (1)
-
Levack Gneiss (1)
-
Nonesuch Shale (1)
-
Stillwater Complex (1)
-
upper Precambrian
-
Proterozoic
-
Isan Orogeny (1)
-
Mesoproterozoic
-
Roper Group (1)
-
-
Neoproterozoic
-
Dengying Formation (2)
-
Doushantuo Formation (1)
-
Vendian (1)
-
-
Paleoproterozoic (4)
-
Sinian
-
Dengying Formation (2)
-
Doushantuo Formation (1)
-
-
-
-
-
-
igneous rocks
-
igneous rocks
-
carbonatites (3)
-
plutonic rocks
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anorthosite (4)
-
diabase (2)
-
diorites
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quartz diorites (1)
-
tonalite (1)
-
-
gabbros
-
norite (2)
-
troctolite (1)
-
-
granites (7)
-
monzonites (1)
-
pegmatite (2)
-
syenites
-
nepheline syenite (1)
-
-
ultramafics
-
chromitite (3)
-
peridotites (2)
-
pyroxenite
-
orthopyroxenite (1)
-
-
-
-
volcanic rocks
-
andesites (2)
-
basalts
-
mid-ocean ridge basalts (1)
-
-
dacites (2)
-
glasses (1)
-
phonolites (1)
-
pyroclastics
-
ash-flow tuff (1)
-
tuff (1)
-
-
rhyolites (1)
-
-
-
ophiolite (2)
-
volcanic ash (1)
-
-
metamorphic rocks
-
metamorphic rocks
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amphibolites (1)
-
cataclasites (1)
-
gneisses
-
granite gneiss (2)
-
-
hornfels (1)
-
lapis lazuli (1)
-
marbles (3)
-
metacarbonate rocks (1)
-
metaigneous rocks
-
serpentinite (2)
-
-
metasedimentary rocks
-
metagraywacke (2)
-
metapelite (1)
-
metasandstone (1)
-
-
metasomatic rocks
-
serpentinite (2)
-
skarn (7)
-
-
mylonites (2)
-
phyllonites (1)
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quartzites (1)
-
slates (3)
-
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ophiolite (2)
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turbidite (1)
-
-
meteorites
-
meteorites
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Allan Hills Meteorites
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ALHA 81005 (1)
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stony irons
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pallasite (1)
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stony meteorites
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achondrites
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ALHA 81005 (1)
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aubrite (1)
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HED meteorites (1)
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ureilite (1)
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chondrites
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carbonaceous chondrites
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Tagish Lake Meteorite (1)
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enstatite chondrites
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EH chondrites
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Indarch Meteorite (1)
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ordinary chondrites
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H chondrites (1)
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L chondrites (1)
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LL chondrites (1)
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minerals
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alloys
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carbides
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moissanite (1)
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kamacite (1)
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phosphides
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schreibersite (1)
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taenite (1)
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antimonides (2)
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arsenates
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conichalcite (1)
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arsenides
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arsenopyrite (1)
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gersdorffite (1)
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nickeline (2)
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sperrylite (7)
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bismuthides
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froodite (2)
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michenerite (3)
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borates (1)
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carbonates
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ankerite (2)
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aragonite (3)
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bastnaesite (1)
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calcite (14)
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dolomite (6)
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magnesite (1)
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malachite (1)
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parisite (1)
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rhodochrosite (1)
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siderite (1)
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synchysite (1)
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copper minerals (3)
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halides
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bromides (1)
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chlorides
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atacamite (1)
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eudialyte (1)
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halite (1)
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fluorides
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bastnaesite (1)
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fluorite (1)
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parisite (1)
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synchysite (1)
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zunyite (1)
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hydrates (3)
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minerals (43)
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molybdates (2)
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native elements
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diamond (1)
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graphite (1)
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nitrates (1)
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oxides
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akaganeite (2)
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armalcolite (1)
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brucite (1)
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chrome spinel (1)
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chromite (2)
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corundum (2)
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cuprite (1)
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goethite (7)
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hausmannite (1)
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hematite (9)
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hollandite (1)
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hydroxides
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iron hydroxides (1)
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oxyhydroxides (2)
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ilmenite (1)
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iron oxides (7)
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magnesioferrite (1)
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magnetite (3)
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niobates
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aeschynite (1)
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pyrochlore (1)
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perovskite (1)
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rutile (2)
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sapphire (1)
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spinel (8)
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spinel group (1)
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tantalates
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wodginite (1)
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uraninite (2)
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wustite (1)
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phosphates
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apatite (17)
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britholite (1)
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fluorapatite (1)
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monazite (1)
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xenotime (1)
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platinum minerals (17)
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selenides
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umangite (1)
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silicates
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aluminosilicates (2)
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asbestos (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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richterite (1)
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tremolite (2)
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prehnite (1)
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pyroxene group
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clinopyroxene
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augite (1)
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diopside (2)
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hedenbergite (1)
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rhodonite group
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rhodonite (1)
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framework silicates
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feldspar group
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alkali feldspar
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orthoclase (1)
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plagioclase (4)
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nepheline group
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nepheline (1)
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scapolite group
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scapolite (1)
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silica minerals
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coesite (1)
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opal (2)
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quartz (8)
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stishovite (1)
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sodalite group
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lazurite (1)
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sodalite (1)
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zeolite group
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laumontite (2)
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garnierite (1)
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orthosilicates
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nesosilicates
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britholite group
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britholite (1)
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garnet group
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almandine (1)
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andradite (2)
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grossular (2)
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pyrope (1)
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spessartine (1)
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uvarovite (1)
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larnite (1)
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olivine group
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fayalite (1)
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forsterite (2)
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olivine (6)
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zircon group
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coffinite (1)
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zircon (4)
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sorosilicates
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chevkinite group (1)
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epidote group
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allanite (1)
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epidote (1)
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ilvaite (1)
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vesuvianite (1)
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zunyite (1)
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ring silicates
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eudialyte (1)
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milarite group
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roedderite (1)
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tourmaline group
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dravite (1)
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schorl (1)
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sheet silicates
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chlorite group
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chlorite (14)
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clay minerals
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allophane (1)
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dickite (2)
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hectorite (1)
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imogolite (1)
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kaolinite (14)
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montmorillonite (6)
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nontronite (1)
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smectite (21)
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vermiculite (1)
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corrensite (2)
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illite (35)
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mica group
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muscovite (4)
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phlogopite (1)
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palygorskite (1)
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pyrophyllite (2)
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sepiolite (1)
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sericite (1)
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serpentine group
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antigorite (1)
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chrysotile (1)
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serpentine (2)
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talc (1)
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sulfates
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alunite (7)
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anhydrite (1)
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barite (3)
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bassanite (2)
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brochantite (1)
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copiapite (1)
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gypsum (4)
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iron sulfates (3)
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jarosite (7)
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lazurite (1)
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mirabilite (1)
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schwertmannite (2)
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voltaite (1)
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sulfides
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acanthite (1)
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aikinite (3)
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alabandite (1)
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arsenopyrite (1)
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bismuthinite (4)
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bohdanowiczite (1)
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bornite (4)
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chalcocite (2)
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chalcopyrite (9)
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cooperite (1)
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copper sulfides (4)
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cubanite (2)
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galena (6)
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gersdorffite (1)
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greenockite (1)
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iron sulfides (1)
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joseite (1)
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laurite (1)
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lazurite (1)
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mackinawite (1)
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marcasite (1)
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millerite (3)
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molybdenite (1)
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nickel sulfides (1)
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niningerite (1)
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oldhamite (2)
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pentlandite (4)
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pyrite (12)
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pyrrhotite (4)
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realgar (2)
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siegenite (1)
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smythite (1)
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sphalerite (9)
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stannoidite (1)
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stibnite (1)
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talnakhite (1)
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tetradymite (4)
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troilite (2)
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wurtzite (2)
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sulfosalts
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sulfantimonites
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luzonite (1)
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meneghinite (1)
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miargyrite (2)
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polybasite (1)
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pyrargyrite (1)
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stephanite (1)
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tetrahedrite (4)
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sulfarsenites
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dufrenoysite (1)
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jordanite (2)
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luzonite (1)
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pearceite (1)
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proustite (1)
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tennantite (3)
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sulfobismuthites
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cosalite (1)
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gustavite (1)
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lillianite (4)
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sulfostannates
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stannite (3)
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tellurates (2)
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tellurides
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altaite (3)
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calaverite (4)
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hessite (2)
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joseite (1)
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sylvanite (1)
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tetradymite (4)
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tungstates
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scheelite (2)
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vanadates (4)
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Primary terms
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absolute age (12)
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Africa
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Chad Basin (2)
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East Africa
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Ethiopia (1)
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Sudan (1)
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Madagascar (1)
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North Africa
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Algeria
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Berkine Basin (1)
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Egypt
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Eastern Desert (4)
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Ghadames Basin (1)
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Libya (1)
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Morocco (1)
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Sahara (3)
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Sahel (1)
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Southern Africa
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Namibia
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Tsumeb Namibia (4)
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South Africa
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Transvaal region (1)
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Witwatersrand (3)
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West Africa
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Benue Valley (3)
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Cameroon (1)
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Ghana (1)
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Nigeria
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