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elements, isotopes
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- metals
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- oxygen
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- sulfur
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fossils
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- bacteria
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        Austin Chalk (1)
        
        Eagle Ford Formation (8)
        
        Woodbine Formation (1)
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        upper Maestrichtian (4)
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    - Upper Jurassic
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      - Oxfordian
        
        lower Oxfordian (1)
        
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        upper Oxfordian (1)
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  - Triassic
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    - Lower Triassic
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    - Middle Triassic
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    - Upper Triassic
      - Carnian
        
        Ischigualasto Formation (1)
      - Chinle Formation (3)
      - Crow Mountain Sandstone (1)
      - Keuper (3)
      - Mercia Mudstone (3)
      - Molteno Formation (3)
      - Norian (7)
      - Pardonet Formation (1)
      - Rhaetian
        
        Penarth Group (1)
      - Shinarump Member (1)
      - Stormberg Series (1)
      - Triassic-Jurassic boundary (1)
      - Xujiahe Formation (3)
      - Yanchang Formation (8)
  - upper Mesozoic
    - Yixian Formation (1)
  - Vaca Muerta Formation (3)
  - Yanshanian (5)
- MIS 2 (3)
- MIS 3 (1)
- MIS 5 (1)
- MIS 6 (3)
- Paleozoic
  - Arbuckle Group (2)
  - Berea Sandstone (1)
  - Cambrian
    - Acadian (1)
    - Bonanza King Formation (2)
    - Carrara Formation (1)
    - Lower Cambrian
      - Chilhowee Group (1)
      - Terreneuvian
        
        Fortunian (2)
      - Tommotian (2)
      - Zabriskie Quartzite (1)
    - Middle Cambrian
      - Burgess Shale (4)
      - Zhangxia Formation (1)
    - Mount Read Volcanics (1)
    - Upper Cambrian
      - Eau Claire Formation (1)
      - Galesville Sandstone (1)
      - Mount Simon Sandstone (3)
      - Potsdam Sandstone (4)
      - Steptoean (1)
  - Carboniferous
    - Albert Formation (1)
    - Bartlesville Sand (2)
    - Benxi Formation (3)
    - Big Snowy Group (1)
    - Burbank Sand (2)
    - Culm (1)
    - Ely Limestone (1)
    - Jackfork Group (1)
    - Lower Carboniferous
      - Asbian (1)
      - Dinantian (5)
    - Middle Carboniferous (1)
    - Mississippian
      - Barnett Shale (3)
      - Boone Formation (1)
      - Lower Mississippian
        
        Fort Payne Formation (1)
        
        Lake Valley Formation (1)
        
        Pocono Formation (1)
        
        Tournaisian
        
        upper Tournaisian (1)
      - Madison Group (2)
      - Middle Mississippian
        
        Visean (5)
      - Upper Mississippian
        
        Chesterian
        
        Cypress Sandstone (1)
        
        Hartselle Sandstone (2)
        
        Heath Formation (1)
        
        Mauch Chunk Formation (1)
        
        Meramecian
        
        Saint Louis Limestone (1)
        
        Sainte Genevieve Limestone (2)
        
        Salem Limestone (2)
        
        Warsaw Formation (1)
        
        Serpukhovian (3)
        
        Tuscumbia Limestone (1)
    - Pennsylvanian
      - Brazil Formation (1)
      - Conemaugh Group (1)
      - Lower Pennsylvanian
        
        Bashkirian (1)
        
        Morrowan (2)
      - Middle Pennsylvanian
        
        Allegheny Group (1)
        
        Atokan
        
        Atoka Formation (2)
        
        Desmoinesian
        
        Wewoka Formation (1)
        
        Moscovian (6)
      - Minturn Formation (2)
      - Monongahela Group (1)
      - Pottsville Group (1)
      - Saginaw Formation (1)
      - Smithwick Shale (1)
      - Upper Pennsylvanian
        
        Cisco Group (1)
        
        Gzhelian (2)
        
        Kasimovian (3)
        
        Missourian
        
        Lansing Group (1)
        
        Stanton Formation (1)
        
        Virgilian
        
        Plattsmouth Limestone Member (1)
      - Westerly Granite (1)
    - Upper Carboniferous
      - Stephanian (3)
      - Westphalian (3)
  - Casper Formation (1)
  - Chattanooga Shale (1)
  - Devonian
    - Beaverhill Lake Group (1)
    - Keg River Formation (2)
    - Lower Devonian
      - Dittonian (1)
      - Emsian (8)
      - Gedinnian (1)
      - Lochkovian (3)
      - Manlius Formation (1)
      - Pragian (4)
    - Middle Devonian
      - Dundee Limestone (1)
      - Eifelian (5)
      - Elk Point Group (2)
      - Givetian (7)
      - Hamilton Group (2)
      - Marcellus Shale (3)
      - Prairie Evaporite (2)
      - Sylvania Formation (1)
      - Winnipegosis Formation (1)
    - Muth Quartzite (2)
    - Old Red Sandstone (8)
    - Popovich Formation (2)
    - Swan Hills Formation (3)
    - Traverse Group (1)
    - Upper Devonian
      - Domanik Formation (1)
      - Duperow Formation (1)
      - Famennian
        
        lower Famennian (2)
        
        Wabamun Group (1)
      - Frasnian
        
        Leduc Formation (3)
        
        upper Frasnian (1)
      - Olentangy Shale (1)
      - Palliser Formation (1)
      - Sonyea Group (1)
    - Waterways Formation (2)
  - Dunkard Group (1)
  - Earn Group (2)
  - Hanson Creek Formation (1)
  - Itarare Subgroup (1)
  - Knox Group (1)
  - Lisburne Group (1)
  - lower Paleozoic (10)
  - middle Paleozoic (2)
  - New Albany Shale (1)
  - Ordovician
    - Eureka Quartzite (2)
    - Lower Ordovician
      - Arenigian (2)
      - Beekmantown Group (2)
      - Ellenburger Group (1)
      - Fillmore Formation (1)
      - Floian (1)
      - Ibexian (1)
      - Manx Group (1)
      - Saint George Group (1)
      - Tremadocian (5)
    - Martinsburg Formation (1)
    - Middle Ordovician
      - Bromide Formation (2)
      - Cloridorme Formation (2)
      - Dapingian (1)
      - Darriwilian (2)
      - Llanvirnian (1)
      - Platteville Formation (1)
      - Saint Peter Sandstone (7)
      - Simpson Group (1)
      - Table Head Group (1)
      - Winnipeg Formation (2)
    - Montoya Group (2)
    - Pogonip Group (3)
    - Trenton Group (2)
    - Upper Ordovician
      - Ashgillian (1)
      - Bighorn Dolomite (2)
      - Caradocian
        
        Borrowdale Volcanic Group (2)
      - Fairview Formation (1)
      - Hirnantian (3)
      - Juniata Formation (1)
      - Katian (9)
      - Maquoketa Formation (2)
      - Queenston Shale (1)
      - Red River Formation (2)
      - Sandbian (1)
      - Wufeng Formation (8)
      - Yeoman Formation (1)
    - Utica Shale (1)
    - Valmy Formation (1)
    - Vinini Formation (1)
  - Paganzo Group (1)
  - Permian
    - Coconino Sandstone (2)
    - Council Grove Group (1)
    - Cutler Formation (2)
    - Ecca Group (9)
    - Gharif Formation (1)
    - Guadalupian
      - Capitan Formation (1)
      - Grayburg Formation (1)
      - Roadian (1)
      - Seven Rivers Formation (1)
      - Tansill Formation (1)
      - Wordian (2)
    - Irati Formation (3)
    - Kaibab Formation (1)
    - Khuff Formation (3)
    - Longtan Formation (3)
    - Lower Permian
      - Al Khlata Formation (2)
      - Cisuralian
        
        Asselian (5)
        
        Kungurian (4)
        
        Sakmarian (3)
      - Leonardian (3)
      - Wolfcampian (2)
    - Middle Permian (10)
    - Park City Formation (1)
    - Passa Dois Group (1)
    - Phosphoria Formation (3)
    - Rio Bonito Formation (1)
    - Rotliegendes (4)
    - Shihezi Formation (4)
    - Unayzah Formation (2)
    - Upper Permian
      - Lopingian
        
        Changhsingian (1)
      - Permian-Triassic boundary (12)
      - Raniganj Formation (1)
      - Rio do Rasto Formation (1)
      - Zechstein (3)
    - Wellington Formation (1)
    - Whitehill Formation (2)
    - Yates Formation (2)
  - Petersburg Granite (1)
  - Road River Formation (1)
  - Silurian
    - Bass Islands Dolomite (1)
    - Lower Silurian
      - Grimsby Sandstone (1)
      - Llandovery
        
        Aberystwyth Grits (1)
        
        Aeronian (2)
        
        Rhuddanian (2)
      - Qalibah Formation (1)
      - Tuscarora Formation (1)
      - Wenlock (3)
    - Middle Silurian
      - Roberts Mountains Formation (2)
      - Rochester Formation (1)
    - Niagaran (1)
    - Upper Silurian
      - Ludlow (3)
      - Pridoli (3)
  - Supai Formation (2)
  - Taiyuan Formation (8)
  - Talchir Formation (1)
  - upper Paleozoic
    - Bakken Formation (1)
    - Dwyka Formation (4)
    - Fountain Formation (1)
    - Kaskaskia Sequence (1)
    - Shanxi Formation (7)
    - Tubarao Group (1)
  - Weber Sandstone (1)
  - Woodford Shale (4)
- Phanerozoic (15)
- Precambrian
  - Archean
    - Aravalli System (1)
    - Blake River Group (4)
    - Fig Tree Group (2)
    - Iron Ore Group (2)
    - J-M Reef (1)
    - Kromberg Formation (2)
    - Mesoarchean (7)
    - Neoarchean
      - Dharwar Supergroup (2)
    - Paleoarchean
      - Hooggenoeg Formation (2)
    - Peninsular Gneiss (2)
    - Singhbhum Granite (1)
    - Timiskaming Group (1)
    - Warrawoona Group (4)
    - Yellowknife Group (1)
  - Bijawar System (1)
  - Central Rand Group (5)
  - Chuar Group (2)
  - Fortescue Group (2)
  - Gunflint Iron Formation (1)
  - Hadean (3)
  - Hamersley Group (1)
  - Kingston Peak Formation (1)
  - Lewisian Complex (1)
  - Nipissing Diabase (1)
  - Nonesuch Shale (1)
  - Noonday Dolomite (1)
  - North Shore Volcanics (1)
  - Onverwacht Group (5)
  - Pongola Supergroup (3)
  - Sandia Granite (1)
  - Stillwater Complex (4)
  - Stirling Quartzite (2)
  - Transvaal Supergroup (8)
  - upper Precambrian
    - Proterozoic
      - Algonkian
        
        Baraboo Quartzite (2)
      - Bambui Group (1)
      - Bitter Springs Formation (1)
      - Damara System (2)
      - Great Oxidation Event (2)
      - Huronian
        
        Gowganda Formation (1)
      - Keweenawan
        
        Copper Harbor Conglomerate (1)
      - Lewisian (1)
      - Malmani Subgroup (1)
      - Mesoproterozoic
        
        Apache Group (1)
        
        Belt Supergroup (3)
        
        Gawler Range Volcanics (1)
        
        Roper Group (2)
        
        Shuangqiaoshan Group (1)
        
        Stenian (1)
      - Miette Group (1)
      - Neoproterozoic
        
        Blaini Formation (1)
        
        Cryogenian (6)
        
        Dengying Formation (3)
        
        Doushantuo Formation (3)
        
        Ediacaran (31)
        
        Marinoan (5)
        
        McCoy Creek Group (1)
        
        Moine Supergroup (1)
        
        Otavi Group (3)
        
        Riphean
        
        upper Riphean (2)
        
        Sturtian (3)
        
        Torridonian (2)
        
        Vendian (9)
      - Oronto Group (2)
      - Paleoproterozoic
        
        Birimian (4)
        
        Dhanjori Group (1)
        
        Michigamme Formation (1)
        
        Orosirian (1)
        
        Rustenburg Layered Suite (2)
        
        Wollaston Group (1)
      - Pretoria Group (2)
      - Sinian
        
        Dengying Formation (3)
        
        Doushantuo Formation (3)
      - Windermere System (2)
  - Ventersdorp Supergroup (7)
  - Waterberg System (1)
  - Witwatersrand Supergroup (6)
- Rhenohercynian (2)
- Vindhyan (5)
igneous rocks
- extrusive rocks (2)
- igneous rocks
  - carbonatites
    - sovite (1)
  - granophyre (3)
  - kimberlite (32)
  - peperite (3)
  - phoscorites (1)
  - picrite (4)
  - plutonic rocks
    - anorthosite (9)
    - diabase
      - tholeiitic dolerite (1)
    - diorites
      - plagiogranite (2)
      - quartz diorites (2)
      - tonalite (5)
      - trondhjemite (1)
    - gabbros
      - norite (2)
      - troctolite (1)
    - granites
      - alkali granites (2)
      - aplite (1)
      - A-type granites (2)
      - biotite granite (1)
      - charnockite (2)
      - felsite (3)
      - granite porphyry (1)
      - I-type granites (3)
      - leucogranite (6)
      - microgranite (1)
      - monzogranite (2)
      - S-type granites (1)
    - granodiorites (17)
    - ijolite (2)
    - lamproite (3)
    - lamprophyres
      - minette (1)
    - monzonites (5)
    - pegmatite (17)
    - quartz monzonite (1)
    - sovite (1)
    - syenites
      - alkali syenites (2)
      - nepheline syenite (6)
      - quartz syenite (1)
      - shonkinite (2)
    - ultramafics
      - chromitite (16)
      - peridotites
        
        dunite (10)
        
        harzburgite (6)
        
        lherzolite (4)
        
        spinel lherzolite (1)
      - pyroxenite
        
        clinopyroxenite (2)
        
        orthopyroxenite (2)
        
        websterite (1)
  - porphyry
    - vitrophyre (2)
  - volcanic rocks
    - adakites (1)
    - andesites
      - boninite (1)
    - basalts
      - alkali basalts
        
        hawaiite (1)
        
        trachybasalts (1)
      - columnar basalt (1)
      - flood basalts (9)
      - mid-ocean ridge basalts (4)
      - ocean-island basalts (4)
      - oceanite (1)
      - tholeiite (2)
      - tholeiitic basalt (1)
      - trap rocks (2)
    - basanite
      - ankaramite (1)
    - benmoreite (1)
    - dacites (10)
    - glasses
      - obsidian (7)
      - perlite (1)
      - pitchstone (1)
      - volcanic glass (21)
    - komatiite (6)
    - nephelinite (3)
    - phonolites
      - tinguaite (1)
    - pyroclastics
      - ash-flow tuff (1)
      - hyaloclastite (5)
      - ignimbrite (26)
      - pumice (23)
      - rhyolite tuff (4)
      - scoria (11)
      - tuff (51)
      - welded tuff (5)
    - rhyodacites (3)
    - rhyolites
      - pantellerite (1)
      - quartz porphyry (2)
    - trachyandesites (4)
    - trachytes (6)
    - vitrophyre (2)
- ophiolite (28)
- pyrolite (1)
- volcanic ash (37)
metamorphic rocks
- K-bentonite (2)
- metamorphic rocks
  - amphibolites (6)
  - cataclasites (12)
  - eclogite (8)
  - fulgurite (2)
  - gneisses
    - banded gneiss (1)
    - biotite gneiss (1)
    - granite gneiss (1)
    - orthogneiss (3)
    - paragneiss (2)
  - granulites (4)
  - hornfels (4)
  - impactites
    - impact breccia
      - suevite (10)
  - itabirite (1)
  - jadeitite (2)
  - listwanite (2)
  - marbles (14)
  - metacarbonate rocks (1)
  - metaigneous rocks
    - metabasalt (1)
    - metabasite (1)
    - metagabbro (1)
    - metagranite (1)
    - metakomatiite (1)
    - metatuff (1)
    - serpentinite (8)
  - metasedimentary rocks
    - khondalite (2)
    - metaconglomerate (4)
    - metagraywacke (1)
    - metapelite (4)
    - metasandstone (3)
    - metasiltstone (1)
    - paragneiss (2)
  - metasomatic rocks
    - fenite (2)
    - greisen
      - beresite (2)
    - rodingite (2)
    - serpentinite (8)
    - skarn (8)
    - steatite (1)
  - metavolcanic rocks (8)
  - migmatites (7)
  - mylonites
    - blastomylonite (2)
    - pseudotachylite (9)
    - ultramylonite (5)
  - phyllites (1)
  - quartzites (23)
  - schists
    - greenschist (4)
    - greenstone (3)
    - muscovite schist (1)
  - slates (4)
- ophiolite (28)
- turbidite (56)
meteorites
- meteorites
  - Acfer Meteorites (1)
  - Allan Hills Meteorites
    - ALH 84001 (2)
  - Graves Nunataks Meteorites
    - GRA 95209 (1)
  - iron meteorites
    - hexahedrite (1)
    - octahedrite
      - Canyon Diablo Meteorite (1)
  - micrometeorites (4)
  - Northwest Africa Meteorites (2)
  - stony irons
    - lodranite
      - GRA 95209 (1)
  - stony meteorites
    - acapulcoite (1)
    - achondrites
      - angrite (2)
      - aubrite (1)
      - diogenite (1)
      - eucrite (3)
      - HED meteorites (1)
      - howardite (1)
      - lunar meteorites (1)
      - Martian meteorites
        
        ALH 84001 (2)
        
        SNC Meteorites
        
        chassignite
        
        Chassigny Meteorite (1)
        
        nakhlite
        
        Nakhla Meteorite (1)
    - chondrites
      - carbonaceous chondrites
        
        CH chondrites (1)
        
        CM chondrites (3)
        
        CO chondrites
        
        Kainsaz Meteorite (1)
        
        CV chondrites
        
        Allende Meteorite (3)
        
        Tagish Lake Meteorite (2)
      - ordinary chondrites
        
        H chondrites (2)
        
        L chondrites (1)
        
        LL chondrites (1)
minerals
- alloys
  - awaruite (3)
  - carbides
    - moissanite (5)
  - electrum (3)
  - kamacite (4)
  - nitrides (2)
  - phosphides
    - schreibersite (2)
  - plessite (1)
  - silicides (6)
  - taenite (1)
- antimonates (1)
- antimonides (2)
- arsenates (6)
- arsenides
  - arsenopyrite (10)
  - gersdorffite (1)
  - lollingite (1)
  - sperrylite (9)
- arsenites (2)
- bismuthides
  - froodite (2)
  - michenerite (3)
- borates (1)
- carbonates
  - ankerite (3)
  - aragonite (21)
  - bastnaesite (3)
  - calcite (79)
  - cerussite (3)
  - dolomite (38)
  - hydromagnesite (2)
  - hydrotalcite (2)
  - ikaite (3)
  - leadhillite (1)
  - magnesian calcite (7)
  - magnesite (6)
  - malachite (2)
  - monohydrocalcite (2)
  - nesquehonite (2)
  - pyroaurite (1)
  - rhodochrosite (2)
  - siderite (8)
  - smithsonite (2)
  - sphaerosiderite (1)
  - spurrite (3)
  - synchysite (1)
  - vaterite (5)
- chromates (1)
- copper minerals (3)
- halides
  - chlorides
    - atacamite (1)
    - halite (7)
    - sylvite (1)
    - vanadinite (1)
  - fluorides
    - bastnaesite (3)
    - fluorite (9)
    - synchysite (1)
    - topaz (1)
- hydrates (5)
- iron minerals (2)
- K-bentonite (2)
- manganese minerals (2)
- minerals (26)
- native elements
  - carbonado (5)
  - diamond
    - microdiamond (4)
  - fullerene (2)
  - graphite (15)
  - lonsdaleite (2)
- organic minerals
  - amber (7)
- oxalates
  - weddellite (1)
- oxides
  - akaganeite (1)
  - aluminum oxides (3)
  - anatase (7)
  - armalcolite (1)
  - baddeleyite (5)
  - birnessite (2)
  - boehmite (2)
  - brannerite (4)
  - brookite (2)
  - brucite (3)
  - cassiterite (3)
  - chrome spinel (11)
  - chromite (14)
  - corundum (8)
  - cryptomelane (1)
  - cuprite (1)
  - ferrihydrite (8)
  - ferropericlase (1)
  - franklinite (1)
  - gahnite (1)
  - gibbsite (5)
  - goethite (31)
  - hematite (49)
  - hercynite (1)
  - hibonite (2)
  - hollandite (2)
  - hydroxides
    - iron hydroxides (11)
    - oxyhydroxides (10)
    - schoepite (1)
  - ilmenite (20)
  - iron oxides (43)
  - jacobsite (1)
  - lepidocrocite (1)
  - leucoxene (2)
  - limonite (3)
  - maghemite (3)
  - magnesioferrite (4)
  - magnesium oxides (1)
  - magnetite (46)
  - manganese oxides (9)
  - martite (2)
  - niobates
    - aeschynite (1)
    - columbite (3)
    - ixiolite (1)
    - pyrochlore (1)
    - samarskite (1)
  - periclase (7)
  - perovskite (4)
  - pitchblende (1)
  - rutile (14)
  - sapphire (5)
  - senarmontite (1)
  - specularite (1)
  - spinel (10)
  - spinel group (4)
  - tantalates
    - ixiolite (1)
    - microlite (5)
    - tantalite (3)
    - wodginite (1)
  - thorianite (4)
  - titanium oxides (11)
  - titanomaghemite (1)
  - titanomagnetite (8)
  - todorokite (1)
  - ulvospinel (3)
  - uraninite (10)
  - valentinite (2)
  - vernadite (2)
  - wustite (2)
  - zincite (1)
  - zirconolite (2)
- phosphates
  - amblygonite (1)
  - apatite (58)
  - britholite (2)
  - chlorapatite (1)
  - crandallite (2)
  - fluorapatite (10)
  - francolite (5)
  - goyazite (2)
  - herderite (1)
  - hydroxylapatite (3)
  - lazulite (1)
  - lithiophilite (1)
  - merrillite (2)
  - monazite (26)
  - montebrasite (1)
  - rhabdophane (2)
  - sarcopside (1)
  - triphylite (1)
  - variscite (1)
  - vivianite (1)
  - whitlockite (1)
  - xenotime (7)
- platinum minerals (25)
- selenides (1)
- silicates
  - aluminosilicates (6)
  - asbestos (3)
  - borosilicates (1)
  - chain silicates
    - amphibole group
      - clinoamphibole
        
        actinolite (2)
        
        edenite (1)
        
        glaucophane (1)
        
        hornblende (4)
        
        kaersutite (1)
        
        nephrite (2)
        
        pargasite (2)
        
        tremolite (3)
    - jade (1)
    - pyroxene group
      - clinopyroxene
        
        aegirine (4)
        
        augite (3)
        
        diopside (4)
        
        hedenbergite (3)
        
        jadeite (4)
        
        omphacite (2)
      - orthopyroxene
        
        enstatite (4)
    - rhodonite group
      - rhodonite (1)
    - tobermorite (2)
    - wollastonite group
      - wollastonite (5)
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