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all geography including DSDP/ODP Sites and Legs
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Africa
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Neogene
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Miocene
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Columbia River Basalt Group (2)
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lower Miocene
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Ogallala Formation (4)
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Pliocene
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lower Pliocene
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Zanclean (1)
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upper Pliocene (2)
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Ridge Route Formation (1)
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Paleogene
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Eocene
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lower Eocene
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middle Eocene
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Oligocene
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Paleocene
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Shahejie Formation (4)
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upper Tertiary (2)
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Cretaceous
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Dakota Formation (5)
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Lower Cretaceous
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Albian
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Hauterivian (4)
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Kemik Sandstone (1)
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Kootenay Formation (1)
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Lagoa Feia Formation (1)
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Lakota Formation (1)
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Mannville Group (4)
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Missisauga Formation (1)
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Moosebar Formation (3)
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Mural Limestone (1)
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Wealden (2)
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Mancos Shale (1)
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Ariyalur Stage (1)
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Cenomanian
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Coniacian (6)
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Frontier Formation (3)
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Gulfian
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Woodbine Formation (1)
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Harebell Formation (1)
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K-T boundary (4)
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La Luna Formation (1)
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Lewis Shale (1)
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Franciscan Complex (9)
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Jurassic
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Aztec Sandstone (1)
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Clarens Formation (1)
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Heather Formation (2)
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Lower Jurassic
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Middle Jurassic
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Tarbert Formation (1)
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Bathonian (1)
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Summerville Formation (1)
-
-
Norphlet Formation (2)
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Upper Jurassic
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Bowser Lake Group (2)
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Brushy Basin Member (1)
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Fulmar Formation (1)
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Haynesville Formation (1)
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Kimmeridge Clay (3)
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Kimmeridgian (2)
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Morrison Formation (3)
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Naknek Formation (2)
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Oxfordian (4)
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Salt Wash Sandstone Member (1)
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Smackover Formation (2)
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Stump Formation (2)
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Sundance Formation (1)
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Swift Formation (1)
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Tithonian (4)
-
-
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Kayenta Formation (1)
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lower Mesozoic (2)
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Mist Mountain Formation (2)
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Navajo Sandstone (1)
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Newark Supergroup (4)
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Statfjord Formation (1)
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Triassic
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Lower Triassic
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Bunter (6)
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Permian-Triassic boundary (3)
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-
Middle Triassic
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Muschelkalk (2)
-
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Moenkopi Formation (3)
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Sherwood Sandstone (2)
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Shublik Formation (2)
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Takla Group (1)
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Upper Triassic
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Carnian (5)
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Chinle Formation (5)
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Dockum Group (1)
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Keuper (1)
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Luning Formation (1)
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Mercia Mudstone (1)
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Molteno Formation (1)
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Norian (1)
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Sag River Sandstone (1)
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Shinarump Member (3)
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Stormberg Series (1)
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Xujiahe Formation (1)
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-
-
upper Mesozoic (2)
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Yanshanian (3)
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Paleozoic
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Cambrian
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Acadian (1)
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Lower Cambrian
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Chilhowee Group (1)
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Zabriskie Quartzite (1)
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-
Middle Cambrian (7)
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Tintic Quartzite (1)
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Upper Cambrian
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Copper Ridge Dolomite (1)
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Furongian (1)
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Steptoean (1)
-
-
-
Carboniferous
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Diamond Peak Formation (1)
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Hale Formation (1)
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Lower Carboniferous
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Dinantian (7)
-
-
Mabou Group (3)
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Mississippian
-
Barnett Shale (1)
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Chainman Shale (2)
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Harrodsburg Limestone (1)
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Logan Formation (1)
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Lower Mississippian
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Kayak Shale (1)
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Kekiktuk Conglomerate (2)
-
Kinderhookian (1)
-
Tournaisian (2)
-
-
Middle Mississippian
-
Visean
-
upper Visean (1)
-
-
-
Price Formation (2)
-
Upper Mississippian
-
Hinton Formation (1)
-
Mauch Chunk Formation (1)
-
Pitkin Limestone (1)
-
Serpukhovian (1)
-
-
-
Namurian (1)
-
Pennsylvanian
-
Cumberland Group (1)
-
Lower Pennsylvanian
-
Bashkirian (1)
-
Morrowan (4)
-
New River Formation (1)
-
Pocahontas Formation (1)
-
-
Marble Falls Group (1)
-
Middle Pennsylvanian
-
Allegheny Group (1)
-
Atokan
-
Atoka Formation (1)
-
-
Desmoinesian
-
Cherokee Group (1)
-
Marmaton Group (1)
-
-
Moscovian (1)
-
-
Minturn Formation (2)
-
Morien Group (1)
-
Morrow Formation (1)
-
Pottsville Group (5)
-
Sharon Conglomerate (3)
-
Strawn Series (2)
-
Upper Pennsylvanian
-
Cisco Group (1)
-
Gzhelian (1)
-
Holder Formation (1)
-
Kasimovian (1)
-
Virgilian
-
Tonganoxie Sandstone (1)
-
-
-
-
Upper Carboniferous
-
Uralian (1)
-
Westphalian (1)
-
-
-
Cow Head Group (5)
-
Deadwood Formation (1)
-
Devonian
-
Keg River Formation (1)
-
Lower Devonian
-
Emsian (4)
-
Shap Granite (1)
-
-
Middle Devonian
-
Elk Point Group (1)
-
Givetian (2)
-
Tully Limestone (1)
-
-
Old Red Sandstone (11)
-
Upper Devonian
-
Famennian
-
Wabamun Group (1)
-
-
Frasnian (3)
-
Kanayut Conglomerate (1)
-
Perry Formation (1)
-
-
-
Earn Group (1)
-
Horton Group (2)
-
Ishbel Group (1)
-
Laborcita Formation (1)
-
Lisburne Group (2)
-
lower Paleozoic
-
Conococheague Formation (3)
-
-
middle Paleozoic (4)
-
Ordovician
-
Buchans Group (1)
-
Eureka Quartzite (1)
-
Lower Ordovician
-
Arenigian
-
Ballantrae Complex (1)
-
-
Beekmantown Group (2)
-
Ellenburger Group (2)
-
Manx Group (1)
-
Tremadocian
-
Halifax Formation (1)
-
-
-
Middle Ordovician
-
Blackriverian (1)
-
Chazyan (1)
-
Darriwilian (1)
-
Llandeilian (1)
-
Table Head Group (1)
-
-
Upper Ordovician
-
Ashgillian (2)
-
Caradocian (5)
-
Cincinnatian
-
Richmondian (1)
-
-
Juniata Formation (1)
-
Trentonian (1)
-
-
Valmy Formation (1)
-
-
Permian
-
Cutler Formation (2)
-
Echooka Formation (1)
-
Guadalupian
-
Capitanian (1)
-
-
Lower Permian
-
Abo Formation (3)
-
Cisuralian
-
Artinskian (1)
-
Asselian (1)
-
Kungurian (1)
-
Sakmarian (1)
-
-
Leonardian (1)
-
Wichita Group (1)
-
Wolfcampian
-
Hueco Limestone (1)
-
-
-
Middle Permian (2)
-
Newcastle Coal Measures (2)
-
Phosphoria Formation (1)
-
Ranger Canyon Formation (1)
-
Rotliegendes (1)
-
Upper Permian
-
Permian-Triassic boundary (3)
-
-
Vryheid Formation (1)
-
-
Read Bay Formation (1)
-
Sauk Sequence (1)
-
Shoo Fly Complex (1)
-
Silurian
-
Clinch Sandstone (1)
-
Lower Silurian
-
Llandovery (3)
-
Tuscarora Formation (1)
-
Wenlock (3)
-
-
Middle Silurian (2)
-
Niagaran (1)
-
Upper Silurian
-
Ludlow
-
Ludfordian (1)
-
-
Pridoli (1)
-
-
-
Talchir Formation (3)
-
upper Paleozoic
-
Calaveras Formation (1)
-
Fountain Formation (1)
-
Pictou Group (1)
-
Wood River Formation (1)
-
-
-
Phanerozoic (6)
-
Precambrian
-
Archean
-
Aravalli System (3)
-
Iron Ore Group (2)
-
Mesoarchean (9)
-
Neoarchean
-
Amitsoq Gneiss (1)
-
Dharwar Supergroup (3)
-
Sargur Group (1)
-
-
Paleoarchean (2)
-
Sausar Series (1)
-
Singhbhum Granite (2)
-
-
Carrizo Mountain Formation (1)
-
Central Rand Group (8)
-
Cuddapah System (1)
-
Delhi Supergroup (3)
-
Fortescue Group (1)
-
Hazel Formation (1)
-
Kingston Peak Formation (2)
-
Minas Supergroup (1)
-
Missi Group (1)
-
Noonday Dolomite (1)
-
Pongola Supergroup (2)
-
Sioux Quartzite (1)
-
Sokoman Formation (1)
-
Stirling Quartzite (3)
-
Transvaal Supergroup (3)
-
Twilight Gneiss (1)
-
Unkar Group (1)
-
upper Precambrian
-
Mahakoshal Group (1)
-
Proterozoic
-
Athabasca Formation (1)
-
Cahill Formation (1)
-
Huronian
-
Gowganda Formation (2)
-
-
Keweenawan
-
Copper Harbor Conglomerate (3)
-
-
Kombolgie Formation (1)
-
Lewisian (1)
-
Mesoproterozoic (11)
-
Miette Group (2)
-
Neoproterozoic
-
Cryogenian (4)
-
Ediacaran (4)
-
Infracambrian (1)
-
Marinoan (1)
-
Moinian (1)
-
Sturtian (4)
-
Torridonian (1)
-
Vendian (2)
-
-
Paleoproterozoic
-
Aphebian
-
Hurwitz Group (2)
-
-
Baker Lake Group (1)
-
Cobalt Group (1)
-
Dhanjori Group (3)
-
Hemlock Formation (1)
-
Michigamme Formation (1)
-
Orosirian (1)
-
Rhyacian (1)
-
-
Pocatello Formation (1)
-
Pretoria Group (1)
-
Windermere System (3)
-
-
-
Ventersdorp Supergroup (3)
-
Witwatersrand Supergroup (19)
-
-
Vindhyan (1)
-
-
igneous rocks
-
extrusive rocks (1)
-
igneous rocks
-
carbonatites (2)
-
granophyre (1)
-
hypabyssal rocks (2)
-
kimberlite (3)
-
peperite (2)
-
plutonic rocks
-
diabase (5)
-
diorites
-
microdiorite (1)
-
plagiogranite (3)
-
tonalite (6)
-
trondhjemite (4)
-
-
gabbros (8)
-
granites
-
monzogranite (1)
-
-
granodiorites (1)
-
lamprophyres
-
minette (1)
-
-
pegmatite (1)
-
quartz monzonite (1)
-
syenites
-
nepheline syenite (1)
-
-
ultramafics
-
peridotites
-
harzburgite (1)
-
-
-
-
porphyry (3)
-
volcanic rocks
-
andesites (11)
-
basalts
-
alkali basalts
-
spilite (4)
-
-
mid-ocean ridge basalts (1)
-
tholeiite (1)
-
tholeiitic basalt (1)
-
-
dacites (4)
-
glasses
-
volcanic glass (1)
-
-
komatiite (2)
-
pyroclastics
-
ash-flow tuff (3)
-
hyaloclastite (3)
-
ignimbrite (7)
-
pumice (3)
-
rhyolite tuff (1)
-
tuff (37)
-
tuffite (2)
-
welded tuff (3)
-
-
rhyodacites (1)
-
rhyolites
-
rhyolite porphyry (1)
-
-
trachyandesites (1)
-
trachytes (1)
-
-
-
ophiolite (12)
-
volcanic ash (6)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (1)
-
eclogite (3)
-
gneisses
-
biotite gneiss (1)
-
paragneiss (2)
-
-
impactites
-
impact breccia
-
suevite (1)
-
-
-
marbles
-
ophicalcite (1)
-
-
metaigneous rocks
-
metabasite (1)
-
metagabbro (1)
-
serpentinite (4)
-
-
metasedimentary rocks
-
metaconglomerate (2)
-
metapelite (3)
-
paragneiss (2)
-
-
metasomatic rocks
-
serpentinite (4)
-
skarn (4)
-
-
metavolcanic rocks (4)
-
migmatites (1)
-
mylonites (4)
-
phyllites (7)
-
quartzites (26)
-
schists
-
blueschist (2)
-
greenschist (3)
-
greenstone (6)
-
-
slates (11)
-
-
ophiolite (12)
-
turbidite (67)
-
-
minerals
-
arsenides
-
gersdorffite (1)
-
-
carbonates
-
ankerite (3)
-
aragonite (1)
-
calcite (11)
-
dolomite (10)
-
hydrotalcite (1)
-
siderite (1)
-
-
minerals (9)
-
native elements
-
diamond (1)
-
-
oxides
-
brannerite (3)
-
chrome spinel (4)
-
chromite (2)
-
goethite (1)
-
hematite (4)
-
ilmenite (2)
-
iron oxides (5)
-
limonite (1)
-
maghemite (1)
-
magnetite (2)
-
rutile (1)
-
spinel (1)
-
thorianite (1)
-
uraninite (10)
-
-
phosphates
-
apatite (15)
-
monazite (7)
-
xenotime (2)
-
-
silicates
-
asbestos (1)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
glaucophane (1)
-
-
-
carpholite (1)
-
pyroxene group
-
clinopyroxene
-
jadeite (1)
-
-
orthopyroxene (1)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
K-feldspar (4)
-
microcline (1)
-
sanidine (1)
-
-
plagioclase
-
albite (2)
-
-
-
silica minerals
-
chalcedony (1)
-
jasper (1)
-
opal
-
opal-A (1)
-
opal-CT (1)
-
-
quartz (30)
-
-
sodalite group
-
sodalite (1)
-
-
zeolite group
-
analcime (1)
-
clinoptilolite (1)
-
heulandite (2)
-
laumontite (1)
-
-
-
iron silicates (1)
-
orthosilicates
-
nesosilicates
-
chloritoid (2)
-
garnet group
-
almandine (1)
-
pyrope (1)
-
-
kyanite (1)
-
olivine group
-
olivine (2)
-
-
titanite group
-
titanite (1)
-
-
zircon group
-
coffinite (1)
-
thorite (2)
-
zircon (100)
-
-
-
sorosilicates
-
epidote group
-
allanite (1)
-
-
-
-
ring silicates
-
tourmaline group
-
dravite (1)
-
schorl (1)
-
-
-
sheet silicates
-
cerolite (1)
-
chlorite group
-
chlorite (7)
-
sudoite (1)
-
-
clay minerals
-
dickite (1)
-
kaolinite (11)
-
montmorillonite (2)
-
smectite (6)
-
stevensite (2)
-
-
illite (10)
-
margarite (1)
-
mica group
-
biotite (5)
-
glauconite (2)
-
muscovite (10)
-
paragonite (3)
-
phengite (2)
-
phlogopite (1)
-
-
palygorskite (1)
-
pyrophyllite (1)
-
sepiolite (2)
-
sericite (1)
-
serpentine group
-
berthierine (1)
-
serpentine (3)
-
-
talc (1)
-
-
-
sulfates
-
anhydrite (1)
-
gypsum (1)
-
-
sulfides
-
chalcocite (1)
-
galena (2)
-
gersdorffite (1)
-
pyrite (15)
-
pyrrhotite (1)
-
sphalerite (1)
-
-
sulfosalts
-
sulfantimonites
-
tetrahedrite (2)
-
-
sulfarsenites
-
tennantite (1)
-
-
-
uranium minerals (2)
-
vanadates (1)
-
-
Primary terms
-
absolute age (154)
-
Africa
-
Blue Nile (1)
-
Central Africa
-
Angola
-
Cuanza Basin (1)
-
-
Congo Democratic Republic
-
Shaba Congo Democratic Republic (1)
-
-
Gabon
-
Oklo (2)
-
-
-
East Africa
-
Afar Depression (1)
-
Ethiopia
-
Awash Valley (1)
-
-
Kenya (1)
-
Mozambique (1)
-
Sudan (3)
-
Tanzania (1)
-
Zambia (2)
-
-
East African Lakes (1)
-
North Africa
-
Algeria
-
Babor Range (1)
-
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
Anti-Atlas (3)
-
High Atlas (2)
-
-
-
Egypt
-
Eastern Desert (1)
-
Nile Delta (1)
-
Sinai Egypt (1)
-
-
Morocco
-
Marrakech Morocco (1)
-
Moroccan Atlas Mountains
-
Anti-Atlas (3)
-
High Atlas (2)
-
-
Rif (1)
-
-
Tell (2)
-
Tunisia (3)
-
-
Nubian Shield (1)
-
Reguibat Ridge (1)
-
Southern Africa
-
Barberton greenstone belt (1)
-
Kaapvaal Craton (7)
-
Karoo Basin (2)
-
Namaqualand (2)
-
Namibia (2)
-
South Africa
-
Cape fold belt (1)
-
Cape Province region (2)
-
Eastern Cape Province South Africa
-
Molteno South Africa (1)
-
-
Free State South Africa
-
Vredefort Dome (1)
-
-
Gauteng South Africa (1)
-
Klerksdorp Field (1)
-
KwaZulu-Natal South Africa
-
Zululand (1)
-
-
Mpumalanga South Africa
-
Barberton Mountain Land (1)
-
-
Northern Cape Province South Africa (3)
-
North-West Province South Africa
-
Ventersdorp South Africa (1)
-
-
Transvaal region (19)
-
Witwatersrand (35)
-
-
Zimbabwe (4)
-
-
West Africa
-
Ghana (7)
-
Guinea (1)
-
Mauritanides (1)
-
Niger (1)
-
Senegal (1)
-
-
West African Craton (1)
-
-
Antarctica
-
Antarctic ice sheet (1)
-
Antarctic Peninsula (1)
-
East Antarctica (1)
-
Ellsworth Land
-
Ellsworth Mountains (3)
-
-
Mac Robertson Land
-
Prince Charles Mountains (1)
-
-
Ross Ice Shelf
-
McMurdo Ice Shelf (1)
-
-
Transantarctic Mountains
-
Pensacola Mountains (1)
-
-
West Antarctica (2)
-
-
Arctic Ocean
-
Barents Sea (2)
-
Norwegian Sea (2)
-
-
Arctic region
-
Greenland
-
East Greenland (1)
-
Northern Greenland (1)
-
-
Russian Arctic
-
New Siberian Islands (1)
-
-
Svalbard
-
Spitsbergen (3)
-
-
-
Asia
-
Altai Mountains
-
Gorny Altai (4)
-
-
Altai Russian Federation
-
Chuya Basin (1)
-
Gorny Altai (4)
-
-
Altai-Sayan region (2)
-
Arabian Peninsula
-
Arabian Shield (2)
-
Kuwait (1)
-
Oman
-
Oman Mountains (1)
-
-
Yemen (1)
-
-
Buryat Russian Federation (1)
-
Central Asia
-
Aral Sea (1)
-
Kazakhstan
-
Kokchetav Kazakhstan
-
Kokchetav Massif (1)
-
-
-
Pamirs (2)
-
Ustyurt (1)
-
-
Far East
-
Borneo
-
Kalimantan Indonesia (1)
-
-
China
-
Bohaiwan Basin (4)
-
Fujian China (1)
-
Hebei China
-
Beijing China (1)
-
-
Inner Mongolia China
-
Erlian Basin (1)
-
-
Kunlun Mountains (1)
-
Liaoning China
-
Liaodong Peninsula (1)
-
-
Nanling (1)
-
North China Platform (1)
-
Qaidam Basin (1)
-
Qilian Mountains (4)
-
Qinghai China (3)
-
Shandong China
-
Dongying Depression (5)
-
Jiyang Depression (1)
-
Shengli Field (1)
-
-
Sichuan Basin (1)
-
Sichuan China (1)
-
Songliao Basin (1)
-
Xinjiang China
-
Hami Basin (1)
-
Junggar Basin (11)
-
Kuqa Depression (1)
-
Tarim Basin (5)
-
Turpan Basin (1)
-
-
Xizang China
-
Gangdese Belt (3)
-
Lhasa Block (3)
-
Lhasa China (1)
-
-
Yunnan China (1)
-
-
Indonesia
-
Kalimantan Indonesia (1)
-
Sumatra (2)
-
-
Japan
-
Honshu
-
Iwate Japan
-
Kitakami Mountains (1)
-
-
Tono Japan (1)
-
-
-
Korea
-
South Korea
-
Pohang South Korea (1)
-
-
-
Singapore (1)
-
Taiwan
-
Taiwanese Coastal Range (1)
-
-
Thailand (1)
-
-
Himalayas
-
Kumaun Himalayas (2)
-
Lesser Himalayas (1)
-
-
Indian Peninsula
-
Afghanistan (1)
-
Bhutan (1)
-
Godavari River (1)
-
India
-
Andhra Pradesh India
-
Cuddapah Basin (4)
-
Khammam India (1)
-
Kurnool India (1)
-
-
Bastar Craton (1)
-
Bengal Islands
-
Andaman Islands (2)
-
-
Bihar India (6)
-
Cauvery Basin (1)
-
Chhattisgarh India
-
Bastar India (1)
-
Surguja India (1)
-
-
Dharwar Craton (3)
-
Ghats
-
Eastern Ghats (1)
-
-
Goa India (1)
-
Gujarat India
-
Kutch India (1)
-
-
Himachal Pradesh India (3)
-
Jharkhand India
-
Dhanbad India
-
Jharia India (1)
-
-
Singhbhum India (4)
-
-
Karnataka India
-
Bellary India (1)
-
Chitradurga schist belt (1)
-
Dharwar India (1)
-
Kanara (1)
-
Mysore India (1)
-
-
Kerala India
-
Cannanore India (1)
-
-
Madhya Pradesh India
-
Rewa India (1)
-
Satna India (1)
-
Sidhi India (1)
-
-
Maharashtra India
-
Nagpur India (1)
-
Poona India (1)
-
-
Narmada River (1)
-
Northeastern India
-
Manipur India (1)
-
-
Orissa India
-
Keonjhar India (1)
-
-
Rajasthan India
-
Udaipur India (1)
-
-
Singhbhum shear zone (2)
-
Tamil Nadu India
-
Tiruchirapalli India (1)
-
-
Uttar Pradesh India
-
Sonbhadra India (1)
-
-
Uttarakhand India (1)
-
-
Indian Shield (1)
-
Indus Basin (1)
-
Jammu and Kashmir
-
Jammu (1)
-
Kashmir (1)
-
-
Nepal (4)
-
Pakistan
-
North-West Frontier Pakistan (1)
-
Punjab Pakistan
-
Salt Range (1)
-
-
-
-
Indus-Yarlung Zangbo suture zone (8)
-
Irkutsk Russian Federation (1)
-
Kemerovo Russian Federation (1)
-
Kuznetsk Basin (1)
-
Lena River (1)
-
Main Boundary Fault (3)
-
Mekong River (1)
-
Middle East
-
Cyprus
-
Troodos Massif (1)
-
-
Dead Sea (2)
-
Dead Sea Rift (4)
-
Iran (2)
-
Israel
-
Elath Israel (1)
-
Timna (1)
-
-
Jordan (4)
-
Turkey
-
Anatolia (3)
-
Izmir Turkey (1)
-
Menderes Massif (1)
-
-
Wadi Araba (2)
-
-
Qiangtang Terrane (6)
-
Sakhalin Russian Federation
-
Sakhalin (1)
-
-
Sayan
-
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Mesozoic
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Viking Formation (5)
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Lower Jurassic
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Upper Jurassic
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Kayenta Formation (1)
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Bunter (6)
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Middle Triassic
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Upper Triassic
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Mexico
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North America
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South Pacific
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Paleozoic
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Cambrian
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Copper Ridge Dolomite (1)
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Carboniferous
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Lower Carboniferous
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Dinantian (7)
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Mabou Group (3)
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Mississippian
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Barnett Shale (1)
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Lower Mississippian
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Kinderhookian (1)
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Tournaisian (2)
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Middle Mississippian
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Visean
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upper Visean (1)
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Price Formation (2)
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Upper Mississippian
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Hinton Formation (1)
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Mauch Chunk Formation (1)
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Pitkin Limestone (1)
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Serpukhovian (1)
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-
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Namurian (1)
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Pennsylvanian
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Cumberland Group (1)
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Lower Pennsylvanian
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Bashkirian (1)
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Morrowan (4)
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New River Formation (1)
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Pocahontas Formation (1)
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Marble Falls Group (1)
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Middle Pennsylvanian
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Allegheny Group (1)
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Atokan
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Atoka Formation (1)
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Desmoinesian
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Cherokee Group (1)
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Moscovian (1)
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Minturn Formation (2)
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Pottsville Group (5)
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Sharon Conglomerate (3)
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Strawn Series (2)
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Upper Pennsylvanian
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Cisco Group (1)
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Gzhelian (1)
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Holder Formation (1)
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Kasimovian (1)
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Virgilian
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Tonganoxie Sandstone (1)
-
-
-
-
Upper Carboniferous
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Uralian (1)
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Westphalian (1)
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Cow Head Group (5)
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Deadwood Formation (1)
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Devonian
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Lower Devonian
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Emsian (4)
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Middle Devonian
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Elk Point Group (1)
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Old Red Sandstone (11)
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Upper Devonian
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Famennian
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Wabamun Group (1)
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Frasnian (3)
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Kanayut Conglomerate (1)
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Perry Formation (1)
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Earn Group (1)
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Horton Group (2)
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Ishbel Group (1)
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Laborcita Formation (1)
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Lisburne Group (2)
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lower Paleozoic
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Conococheague Formation (3)
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middle Paleozoic (4)
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Ordovician
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Buchans Group (1)
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Eureka Quartzite (1)
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Lower Ordovician
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Arenigian
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Ballantrae Complex (1)
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Beekmantown Group (2)
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Ellenburger Group (2)
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Manx Group (1)
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Tremadocian
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Halifax Formation (1)
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-
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Middle Ordovician
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Blackriverian (1)
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Chazyan (1)
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Darriwilian (1)
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Table Head Group (1)
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Upper Ordovician
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Cincinnatian
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Richmondian (1)
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Juniata Formation (1)
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Trentonian (1)
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Valmy Formation (1)
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Permian
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Guadalupian
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Lower Permian
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Abo Formation (3)
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Cisuralian
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Wolfcampian
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Middle Permian (2)
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Newcastle Coal Measures (2)
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Phosphoria Formation (1)
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Ranger Canyon Formation (1)
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Rotliegendes (1)
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Upper Permian
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Permian-Triassic boundary (3)
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Vryheid Formation (1)
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Read Bay Formation (1)
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Sauk Sequence (1)
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Silurian
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Ludlow
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Pridoli (1)
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-
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Talchir Formation (3)
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upper Paleozoic
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Calaveras Formation (1)
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palynomorphs
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Spermatophyta
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Gymnospermae
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Coniferales
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Taxodiaceae
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Cordaitales
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plate tectonics (92)
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Precambrian
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Carrizo Mountain Formation (1)
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upper Precambrian
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Proterozoic
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Athabasca Formation (1)
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Paleoproterozoic
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Rhyacian (1)
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Pocatello Formation (1)
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Ventersdorp Supergroup (3)
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chemically precipitated rocks
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chert (41)
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clastic rocks
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
conglomerate
Effect of collapse-type lateral pressure induced by irrigation on loess landslides Available to Purchase
Provenance characteristics from the Mesozoic to the Cenozoic era and their implications for basin-mountain system evolution in the southwestern Junggar Basin: Insights from field outcrop observations in the Tostai area Available to Purchase
Correlations on the southern Kaapvaal Craton Margin, 2: Ventersdorp strata at T’Kuip date the end of Klipriviersberg Volcanism Available to Purchase
Sedimentary record of oceanic plateau accretion: Revisiting the Eocene to Miocene stratigraphy of the northern Olympic Peninsula, Washington (USA) Open Access
Mud diapirs in a continental extensional basin: 3D seismic interpretation of the Central Recôncavo Basin (northeast Brazil) Available to Purchase
Modified Low-Field NMR Method for Improved Pore Space Analysis in Tight Fe-Bearing Siliciclastic and Extrusive Rocks Open Access
Provenance of the Trainor's Rocks microconglomerate, Northern Ireland: a mid-Silurian (Hawick Group) submarine channel fan deposit in the closing Iapetus Ocean Available to Purchase
Middle Ordovician–Silurian: Midland Valley forearc basins and the Southern Uplands accretionary complex at the southern margin of Laurentia Available to Purchase
The ‘ gigantic boulders ’ of the Torino Hill (NW Italy): geohistorical significance and geoheritage value Available to Purchase
Abstract Large boulders, up to several metres in diameter and mainly made up of metamorphic rocks, are scattered throughout the Torino Hill in NW Italy. These boulders were originally included in Oligocene–Miocene conglomerate beds and were released by alteration of the host rock at the surface. In the past two centuries, their origin and mechanisms of emplacement in the conglomerate bodies were largely debated by both Italian and foreign geologists. Some of the boulders had been given proper names by the local people and had become the object of legends and rituals. Moreover, in the past, the boulders had an economic value, being used as construction stones or exploited to produce aggregates, lime and millstones. This, together with the progressive urbanization of the area, caused the disappearance of many of the large boulders once present on the Torino Hill. The remaining ones are presently not appreciated and are almost forgotten, even though they represent an invaluable geoheritage and deserve rediscovery and protection.