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all geography including DSDP/ODP Sites and Legs
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Africa
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Lu/Hf (1)
-
optically stimulated luminescence (1)
-
paleomagnetism (11)
-
Pb/Pb (3)
-
racemization (2)
-
Rb/Sr (1)
-
Re/Os (1)
-
Sm/Nd (5)
-
Sr/Sr (2)
-
tephrochronology (1)
-
thermochronology (3)
-
U/Pb (50)
-
U/Th/Pb (2)
-
-
geologic age
-
Cenozoic
-
Agbada Formation (1)
-
Glenns Ferry Formation (1)
-
lower Cenozoic (1)
-
Quaternary
-
Holocene
-
upper Holocene (1)
-
-
Kazusa Group (1)
-
Pleistocene
-
lower Pleistocene
-
Gelasian (2)
-
-
upper Pleistocene
-
Weichselian
-
upper Weichselian
-
Younger Dryas (1)
-
-
-
-
-
upper Quaternary (4)
-
-
Tertiary
-
Maikop Series (2)
-
middle Tertiary (1)
-
Neogene
-
Etchegoin Formation (1)
-
Miocene
-
lower Miocene
-
Aquitanian (2)
-
Burdigalian (1)
-
-
middle Miocene
-
Badenian (1)
-
Langhian (3)
-
Serravallian (1)
-
-
upper Miocene
-
Baynunah Formation (1)
-
Messinian (8)
-
Tortonian (1)
-
-
-
Pliocene
-
lower Pliocene (1)
-
-
upper Neogene (3)
-
-
Paleogene
-
Dongying Formation (1)
-
Eocene
-
Green River Formation (3)
-
lower Eocene
-
Ypresian
-
London Clay (1)
-
-
-
middle Eocene
-
Lutetian (1)
-
-
Parachute Creek Member (1)
-
Subathu Formation (1)
-
upper Eocene
-
Lattorfian (1)
-
-
Wilkins Peak Member (1)
-
-
lower Paleogene (1)
-
Oligocene
-
Boom Clay (1)
-
lower Oligocene
-
Rupelian (2)
-
-
-
Paleocene
-
Clayton Formation (1)
-
lower Paleocene
-
Danian (4)
-
K-T boundary (4)
-
-
middle Paleocene
-
Selandian (1)
-
-
Naheola Formation (1)
-
Porters Creek Formation (1)
-
upper Paleocene (2)
-
-
Wasatch Formation (1)
-
Wilcox Group (4)
-
-
Shahejie Formation (5)
-
upper Tertiary (1)
-
-
upper Cenozoic (3)
-
-
Coal Measures (1)
-
Dalradian (4)
-
Lake Bonneville (1)
-
Laurentide ice sheet (1)
-
Mesozoic
-
Cretaceous
-
Alisitos Formation (1)
-
Colorado Group (1)
-
Comanchean
-
Buda Limestone (1)
-
Travis Peak Formation (1)
-
-
Dakota Formation (1)
-
Gosau Formation (1)
-
Graneros Shale (1)
-
Lower Cretaceous
-
Albian
-
Escucha Formation (1)
-
lower Albian (1)
-
Pinda Formation (1)
-
upper Albian (1)
-
-
Aptian
-
Shuaiba Formation (2)
-
-
Barremian (3)
-
Berriasian (3)
-
Bluesky Formation (1)
-
Cheyenne Sandstone (1)
-
Hauterivian (2)
-
Hosston Formation (1)
-
Kiowa Formation (1)
-
Lagoa Feia Formation (2)
-
Missisauga Formation (1)
-
Muddy Sandstone (1)
-
Muderong Shale (1)
-
Torok Formation (1)
-
Travis Peak Formation (1)
-
Valanginian (3)
-
Zubair Formation (1)
-
-
Macae Formation (2)
-
Mancos Shale (2)
-
Middle Cretaceous (6)
-
Nanushuk Group (2)
-
Natih Formation (2)
-
Upper Cretaceous
-
Blackhawk Formation (2)
-
Buda Limestone (1)
-
Campanian
-
lower Campanian (1)
-
-
Carlile Shale (2)
-
Cenomanian
-
Dunvegan Formation (2)
-
-
Coniacian (3)
-
Duwi Formation (1)
-
Ferron Sandstone Member (1)
-
Fort Hays Limestone Member (1)
-
Frontier Formation (1)
-
Greenhorn Limestone (1)
-
Gulfian
-
Austin Chalk (1)
-
Eagle Ford Formation (5)
-
Woodbine Formation (2)
-
-
K-T boundary (4)
-
La Luna Formation (1)
-
Lance Formation (2)
-
Lewis Shale (1)
-
Maestrichtian (6)
-
Mesaverde Group (4)
-
Milk River Formation (1)
-
Niobrara Formation (3)
-
Pierre Shale (1)
-
Rosario Formation (1)
-
Santonian (2)
-
Senonian (7)
-
Sharon Springs Member (1)
-
Smoky Hill Chalk Member (1)
-
Tununk Member (1)
-
Turonian
-
upper Turonian (1)
-
-
Tuscaloosa Formation (1)
-
Williams Fork Formation (1)
-
-
Viking Formation (1)
-
-
Great Valley Sequence (1)
-
Jurassic
-
Aztec Sandstone (1)
-
Bazhenov Formation (1)
-
Birkhead Formation (1)
-
Heather Formation (1)
-
Lower Jurassic
-
lower Liassic (2)
-
Toarcian (2)
-
upper Liassic (1)
-
-
Middle Jurassic
-
Aalenian (2)
-
Bajocian
-
Brent Group (1)
-
Tarbert Formation (1)
-
-
Bathonian (1)
-
Callovian (3)
-
-
Norphlet Formation (1)
-
Oxford Clay (1)
-
Posidonia Shale (1)
-
Upper Jurassic
-
Bossier Formation (3)
-
Cotton Valley Group (2)
-
Fulmar Formation (1)
-
Galice Formation (1)
-
Haynesville Formation (2)
-
Kimmeridge Clay (5)
-
Kimmeridgian (2)
-
Morrison Formation (1)
-
Oxfordian (4)
-
Portlandian (2)
-
Schuler Formation (1)
-
Smackover Formation (2)
-
Sundance Formation (1)
-
Tithonian (7)
-
-
-
Navajo Sandstone (2)
-
Triassic
-
Charlie Lake Formation (5)
-
Liard Formation (2)
-
Lower Triassic
-
Permian-Triassic boundary (2)
-
Smithian (1)
-
Spathian (2)
-
Werfenian (1)
-
-
Middle Triassic
-
Anisian (2)
-
Doig Formation (5)
-
Ladinian (2)
-
-
Moenkopi Formation (1)
-
Montney Formation (6)
-
Shublik Formation (3)
-
Upper Triassic
-
Baldonnel Formation (2)
-
Carnian (3)
-
Keuper (1)
-
Norian (4)
-
Pardonet Formation (2)
-
Rhaetian (2)
-
Xujiahe Formation (1)
-
Yanchang Formation (1)
-
-
-
Vaca Muerta Formation (11)
-
Yanshanian (1)
-
-
Paleozoic
-
Arbuckle Group (1)
-
Bedford Shale (1)
-
Berea Sandstone (1)
-
Cambrian
-
Brigham Group (1)
-
Conasauga Group (1)
-
Lower Cambrian
-
Atdabanian (1)
-
Chilhowee Group (1)
-
Gog Group (1)
-
Rome Formation (1)
-
Terreneuvian
-
Fortunian (1)
-
-
Tommotian (1)
-
-
Middle Cambrian
-
Flathead Sandstone (1)
-
Marjum Formation (1)
-
-
Upper Cambrian
-
Copper Ridge Dolomite (1)
-
Furongian (3)
-
Galesville Sandstone (1)
-
Pilgrim Formation (1)
-
Steptoean (3)
-
Wonewoc Formation (1)
-
-
-
Carboniferous
-
Lower Carboniferous
-
Asbian (1)
-
Dinantian (2)
-
-
Mississippian
-
Barnett Shale (3)
-
Borden Group (2)
-
Lower Mississippian
-
Fort Payne Formation (2)
-
Kayak Shale (1)
-
Lodgepole Formation (1)
-
Osagian (2)
-
-
Madison Group (1)
-
Middle Mississippian
-
Visean
-
upper Visean (1)
-
-
-
Stanley Group (1)
-
Upper Mississippian
-
Chesterian
-
Aux Vases Sandstone (1)
-
Cypress Sandstone (1)
-
-
Greenbrier Limestone (1)
-
Meramecian
-
Saint Louis Limestone (1)
-
Sainte Genevieve Limestone (1)
-
Salem Limestone (1)
-
Warsaw Formation (1)
-
-
Pennington Formation (1)
-
Serpukhovian (1)
-
-
-
Namurian (1)
-
Pennsylvanian
-
Hermosa Group (1)
-
Lower Pennsylvanian
-
Bashkirian (1)
-
Gizzard Group (1)
-
-
Mary Lee Coal (1)
-
Middle Pennsylvanian
-
Atokan
-
Atoka Formation (1)
-
-
Desmoinesian
-
Marmaton Group (1)
-
-
Moscovian (2)
-
-
Pottsville Group (1)
-
Saginaw Formation (1)
-
Upper Pennsylvanian
-
Cisco Group (3)
-
Missourian
-
Kansas City Group (1)
-
Lansing Group (1)
-
Rock Lake Shale Member (1)
-
Stanton Formation (1)
-
-
Virgilian
-
Douglas Group (1)
-
Lawrence Formation (1)
-
Shawnee Group (1)
-
-
-
-
Upper Carboniferous (7)
-
-
Chattanooga Shale (1)
-
Deadwood Formation (1)
-
Devonian
-
Genesee Group (1)
-
Gile Mountain Formation (1)
-
Lower Devonian
-
Emsian (3)
-
Pragian (1)
-
-
Middle Devonian
-
Eifelian (1)
-
Hamilton Group (1)
-
Mahantango Formation (1)
-
Marcellus Shale (1)
-
Onondaga Limestone (1)
-
Sylvania Formation (1)
-
Tully Limestone (2)
-
-
Popovich Formation (1)
-
Slave Point Formation (1)
-
Swan Hills Formation (1)
-
Upper Devonian
-
Famennian (4)
-
Frasnian
-
Leduc Formation (2)
-
-
Kanayut Conglomerate (1)
-
Ohio Shale (1)
-
-
Waterways Formation (1)
-
-
Exshaw Formation (1)
-
Helderberg Group (1)
-
Knox Group (3)
-
Laborcita Formation (3)
-
Lisburne Group (1)
-
lower Paleozoic
-
Rose Run Sandstone (1)
-
-
middle Paleozoic (1)
-
Ordovician
-
Eureka Quartzite (1)
-
Lower Ordovician
-
Arenigian (1)
-
Ellenburger Group (1)
-
Prairie du Chien Group (1)
-
Shakopee Formation (1)
-
Tremadocian (2)
-
-
Meguma Group (1)
-
Middle Ordovician
-
Bromide Formation (1)
-
Dolgeville Formation (1)
-
Simpson Group (2)
-
-
Trenton Group (2)
-
Upper Ordovician
-
Ashgillian (3)
-
Caradocian (2)
-
Cincinnatian
-
Richmondian (1)
-
-
Fairview Formation (1)
-
Hirnantian (1)
-
Katian (1)
-
Kope Formation (2)
-
Maquoketa Formation (1)
-
Trentonian (2)
-
-
Utica Shale (1)
-
Valmy Formation (1)
-
Vinini Formation (2)
-
-
Permian
-
Coconino Sandstone (1)
-
Cutler Formation (1)
-
Glorieta Sandstone (1)
-
Guadalupian
-
Grayburg Formation (2)
-
Tansill Formation (1)
-
-
Kaibab Formation (1)
-
Khuff Formation (1)
-
Lower Permian
-
Abo Formation (3)
-
Al Khlata Formation (1)
-
Cisuralian
-
Artinskian (1)
-
Kungurian (1)
-
-
Leonardian
-
Bone Spring Limestone (2)
-
Clear Fork Group (1)
-
-
Wichita Group (1)
-
Wolfcampian (8)
-
-
Lyons Sandstone (1)
-
Middle Permian (1)
-
Rotliegendes (3)
-
Toroweap Formation (1)
-
Upper Permian
-
Permian-Triassic boundary (2)
-
Salado Formation (1)
-
Zechstein (1)
-
-
Yates Formation (3)
-
Yeso Formation (1)
-
-
Sauk Sequence (3)
-
Silurian
-
Bass Islands Dolomite (1)
-
Lower Silurian
-
Llandovery
-
Telychian (1)
-
-
Tuscarora Formation (1)
-
Wenlock (1)
-
-
Middle Silurian (1)
-
Rockwood Formation (1)
-
Upper Silurian
-
Ludlow (1)
-
Pridoli (1)
-
-
-
Tensleep Sandstone (2)
-
upper Paleozoic
-
Admire Group (1)
-
Bakken Formation (3)
-
Kaskaskia Sequence (1)
-
Tirrawarra Sandstone (1)
-
-
Waits River Formation (1)
-
Woodford Shale (1)
-
-
Phanerozoic (8)
-
Precambrian
-
Animikie Group (1)
-
Archean
-
Mesoarchean (5)
-
Neoarchean (2)
-
Paleoarchean (3)
-
Peninsular Gneiss (1)
-
Singhbhum Granite (1)
-
Swaziland Supergroup (1)
-
-
Biwabik Iron Formation (1)
-
Central Rand Group (1)
-
Cuddapah System (1)
-
Delhi Supergroup (2)
-
Fortescue Group (1)
-
Gunflint Iron Formation (2)
-
Hadean (1)
-
Johnnie Formation (1)
-
Nonesuch Shale (1)
-
Pahrump Series (2)
-
Pongola Supergroup (1)
-
Transvaal Supergroup (2)
-
Uinta Mountain Group (2)
-
upper Precambrian
-
Proterozoic
-
Banded Gneissic Complex (1)
-
Mesoproterozoic
-
Belt Supergroup (1)
-
-
Neoproterozoic
-
Cryogenian (5)
-
Ediacaran (11)
-
Marinoan (3)
-
McCoy Creek Group (1)
-
Moinian (1)
-
Sturtian (2)
-
Tonian (2)
-
Torridonian (2)
-
Vendian (7)
-
Wilpena Group (1)
-
-
Oronto Group (1)
-
Ortega Group (1)
-
Paleoproterozoic
-
Cobalt Group (1)
-
Virginia Formation (1)
-
-
Pocatello Formation (3)
-
Windermere System (5)
-
-
-
-
Saxothuringian (1)
-
Vindhyan (1)
-
-
igneous rocks
-
extrusive rocks (2)
-
igneous rocks
-
carbonatites
-
sovite (1)
-
-
plutonic rocks
-
diabase (3)
-
gabbros (1)
-
granites (6)
-
sovite (1)
-
-
volcanic rocks
-
basalts
-
alkali basalts (1)
-
mid-ocean ridge basalts (2)
-
tholeiite (1)
-
trap rocks (1)
-
-
pyroclastics
-
tuff (9)
-
tuffite (1)
-
-
rhyolites (2)
-
-
-
ophiolite (6)
-
volcanic ash (4)
-
-
metamorphic rocks
-
metamorphic rocks
-
cataclasites (1)
-
gneisses
-
granite gneiss (1)
-
-
hornfels (1)
-
marbles (3)
-
metacarbonate rocks (1)
-
metaigneous rocks
-
metakomatiite (1)
-
-
metasedimentary rocks
-
metalimestone (1)
-
metasandstone (3)
-
-
metasomatic rocks
-
skarn (2)
-
-
metavolcanic rocks (4)
-
migmatites (1)
-
phyllites (3)
-
quartzites (8)
-
schists
-
black schists (1)
-
greenschist (1)
-
greenstone (1)
-
-
slates (3)
-
-
ophiolite (6)
-
turbidite (55)
-
-
minerals
-
carbonates
-
ankerite (1)
-
aragonite (3)
-
calcite (19)
-
dolomite (13)
-
magnesian calcite (1)
-
magnesite (1)
-
siderite (3)
-
sphaerosiderite (1)
-
-
halides
-
chlorides
-
halite (2)
-
-
-
iron minerals (1)
-
minerals (1)
-
oxides
-
anatase (1)
-
chrome spinel (1)
-
gibbsite (1)
-
goethite (1)
-
hematite (2)
-
ilmenite (1)
-
iron oxides (2)
-
magnetite (1)
-
manganese oxides (1)
-
rutile (2)
-
uraninite (1)
-
-
phosphates
-
apatite (2)
-
florencite (1)
-
fluorapatite (1)
-
monazite (2)
-
-
silicates
-
aluminosilicates (3)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
hornblende (1)
-
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
adularia (1)
-
K-feldspar (2)
-
-
plagioclase
-
albite (2)
-
-
-
silica minerals
-
quartz (12)
-
-
zeolite group
-
clinoptilolite (1)
-
-
-
orthosilicates
-
nesosilicates
-
garnet group (1)
-
zircon group
-
zircon (49)
-
-
-
-
ring silicates
-
tourmaline group (1)
-
-
sheet silicates
-
chlorite group
-
chlorite (6)
-
-
clay minerals
-
kaolinite (6)
-
smectite (9)
-
stevensite (1)
-
-
illite (14)
-
mica group
-
biotite (2)
-
glauconite (2)
-
muscovite (6)
-
phlogopite (1)
-
-
palygorskite (2)
-
sericite (1)
-
-
-
sulfates
-
anhydrite (7)
-
gypsum (5)
-
-
sulfides
-
galena (1)
-
pyrite (5)
-
sphalerite (1)
-
-
-
Primary terms
-
absolute age (62)
-
Africa
-
Central Africa
-
Angola (2)
-
Congo Democratic Republic
-
Shaba Congo Democratic Republic (1)
-
-
Equatorial Guinea (1)
-
-
East Africa
-
Ethiopia
-
Tigray Ethiopia (1)
-
-
Kenya (1)
-
Mozambique (1)
-
Somali Republic (1)
-
Tanzania (2)
-
Zambia (1)
-
-
East African Rift (1)
-
Madagascar (1)
-
Nile River (1)
-
North Africa
-
Algeria
-
Ahnet (1)
-
Mouydir (1)
-
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
Egypt
-
Nile Delta (4)
-
Sinai Egypt (1)
-
-
Libya
-
Murzuk Basin (1)
-
-
Maghreb (1)
-
Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
Tunisia (2)
-
-
Nubian Shield (3)
-
Sahara (1)
-
Sahel (1)
-
Southern Africa
-
Barberton greenstone belt (5)
-
Botswana (2)
-
Gariep Belt (1)
-
Kaapvaal Craton (3)
-
Kalahari Craton (1)
-
Namibia (4)
-
Orange River (1)
-
South Africa
-
Cape fold belt (2)
-
Eastern Cape Province South Africa (1)
-
Free State South Africa
-
Vredefort Dome (1)
-
-
KwaZulu-Natal South Africa (1)
-
Transvaal region (1)
-
Western Cape Province South Africa (1)
-
Witwatersrand (1)
-
-
Swaziland (1)
-
-
West Africa
-
Benin (1)
-
Ghana (1)
-
Liberia (1)
-
Mali (2)
-
Mauritania
-
Adrar (1)
-
-
Niger (1)
-
Nigeria
-
Niger Delta (2)
-
-
Sierra Leone (1)
-
Taoudenni Basin (1)
-
-
West African Craton (1)
-
Zambezi Valley (1)
-
-
Antarctica
-
Ellsworth Land
-
Ellsworth Mountains (1)
-
-
Transantarctic Mountains
-
Pensacola Mountains (1)
-
-
Victoria Land
-
Wilson Terrane (1)
-
-
West Antarctica (1)
-
-
Arctic Ocean
-
Barents Sea (4)
-
Beaufort Sea (4)
-
Canada Basin (1)
-
Norwegian Sea (1)
-
-
Arctic region
-
Greenland
-
Disko Island (1)
-
East Greenland (5)
-
Kangerlussuaq (1)
-
Northern Greenland (1)
-
West Greenland (3)
-
-
Svalbard
-
Spitsbergen
-
Spitsbergen Island (1)
-
-
-
-
Asia
-
Altai Mountains
-
Mongolian Altai (1)
-
-
Arabian Peninsula
-
Arabian Shield (4)
-
Kuwait (4)
-
Oman
-
Oman Mountains (4)
-
-
Rub' al Khali (2)
-
Saudi Arabia
-
Hejaz Saudi Arabia
-
Jeddah Saudi Arabia (1)
-
-
-
United Arab Emirates
-
Abu Dhabi (1)
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IPOD
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Protista
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Foraminifera
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Miliolina
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Miliolacea
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Miliolidae (2)
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Rotaliina
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Globigerinacea
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Globigerinidae
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Globigerina (1)
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Globigerinoides
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Globigerinoides ruber (1)
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Textulariina
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Lituolacea
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Orbitolinidae
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Orbitolina (1)
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Radiolaria (4)
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Tintinnidae
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Calpionellidae (2)
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Vermes
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Annelida (1)
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isotopes
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radioactive isotopes
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Al-26 (1)
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Ar-38/Ar-36 (1)
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Be-10 (1)
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C-14 (4)
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Pb-206/Pb-204 (6)
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Pb-207/Pb-204 (4)
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Pb-208/Pb-204 (3)
-
-
stable isotopes
-
Ar-38/Ar-36 (1)
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Ar-40/Ar-36 (1)
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B-11/B-10 (1)
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C-13 (3)
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C-13/C-12 (46)
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D/H (3)
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He-4/He-3 (1)
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Hf-177/Hf-176 (3)
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N-15/N-14 (2)
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Nd-144/Nd-143 (5)
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Ne-22/Ne-20 (1)
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Ne-22/Ne-21 (1)
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O-18/O-16 (32)
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Os-188/Os-187 (1)
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Pb-206/Pb-204 (6)
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Pb-207/Pb-204 (4)
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Pb-207/Pb-206 (1)
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Pb-208/Pb-204 (3)
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S-34/S-32 (8)
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Sr-87/Sr-86 (14)
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lava (3)
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lineation (2)
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magmas (2)
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Malay Archipelago
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Borneo
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East Malaysia
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Sarawak Malaysia (2)
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Kalimantan Indonesia
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Mahakam Delta (1)
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New Guinea
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Irian Jaya Indonesia (1)
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mantle (1)
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maps (1)
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marine geology (1)
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Mediterranean region
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Aegean Islands
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Greek Aegean Islands
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Dodecanese
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Rhodes (1)
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Calabrian Arc (2)
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Mediterranean Sea
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East Mediterranean
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Black Sea (3)
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Levantine Basin (4)
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West Mediterranean
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Tyrrhenian Basin (1)
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Tyrrhenian Sea (1)
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Valencia Trough (1)
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Mesozoic
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Cretaceous
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Alisitos Formation (1)
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Colorado Group (1)
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Comanchean
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Buda Limestone (1)
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Travis Peak Formation (1)
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Dakota Formation (1)
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Gosau Formation (1)
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Graneros Shale (1)
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Lower Cretaceous
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Albian
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Escucha Formation (1)
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lower Albian (1)
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Pinda Formation (1)
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upper Albian (1)
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Aptian
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Shuaiba Formation (2)
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Barremian (3)
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Berriasian (3)
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Bluesky Formation (1)
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Cheyenne Sandstone (1)
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Hauterivian (2)
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Hosston Formation (1)
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Kiowa Formation (1)
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Lagoa Feia Formation (2)
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Missisauga Formation (1)
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Muddy Sandstone (1)
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Muderong Shale (1)
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Torok Formation (1)
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Travis Peak Formation (1)
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Valanginian (3)
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Zubair Formation (1)
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-
Macae Formation (2)
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Mancos Shale (2)
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Middle Cretaceous (6)
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Nanushuk Group (2)
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Natih Formation (2)
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Upper Cretaceous
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Blackhawk Formation (2)
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Buda Limestone (1)
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Campanian
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lower Campanian (1)
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Carlile Shale (2)
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Cenomanian
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Dunvegan Formation (2)
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Coniacian (3)
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Duwi Formation (1)
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Ferron Sandstone Member (1)
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Fort Hays Limestone Member (1)
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Frontier Formation (1)
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Greenhorn Limestone (1)
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Gulfian
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Austin Chalk (1)
-
Eagle Ford Formation (5)
-
Woodbine Formation (2)
-
-
K-T boundary (4)
-
La Luna Formation (1)
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Lance Formation (2)
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Lewis Shale (1)
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Maestrichtian (6)
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Mesaverde Group (4)
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Milk River Formation (1)
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Niobrara Formation (3)
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Pierre Shale (1)
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Rosario Formation (1)
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Santonian (2)
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Senonian (7)
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Sharon Springs Member (1)
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Smoky Hill Chalk Member (1)
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Tununk Member (1)
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Turonian
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upper Turonian (1)
-
-
Tuscaloosa Formation (1)
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Williams Fork Formation (1)
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-
Viking Formation (1)
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-
Great Valley Sequence (1)
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Jurassic
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Aztec Sandstone (1)
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Bazhenov Formation (1)
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Birkhead Formation (1)
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Heather Formation (1)
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Lower Jurassic
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lower Liassic (2)
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Toarcian (2)
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upper Liassic (1)
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Middle Jurassic
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Aalenian (2)
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Bajocian
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Brent Group (1)
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Tarbert Formation (1)
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Bathonian (1)
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Callovian (3)
-
-
Norphlet Formation (1)
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Oxford Clay (1)
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Posidonia Shale (1)
-
Upper Jurassic
-
Bossier Formation (3)
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Cotton Valley Group (2)
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Fulmar Formation (1)
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Galice Formation (1)
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Haynesville Formation (2)
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Kimmeridge Clay (5)
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Kimmeridgian (2)
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Morrison Formation (1)
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Oxfordian (4)
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Portlandian (2)
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Schuler Formation (1)
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Smackover Formation (2)
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Sundance Formation (1)
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Tithonian (7)
-
-
-
Navajo Sandstone (2)
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Triassic
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Charlie Lake Formation (5)
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Liard Formation (2)
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Lower Triassic
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Permian-Triassic boundary (2)
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Smithian (1)
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Spathian (2)
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Werfenian (1)
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Middle Triassic
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Anisian (2)
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Doig Formation (5)
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Ladinian (2)
-
-
Moenkopi Formation (1)
-
Montney Formation (6)
-
Shublik Formation (3)
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Upper Triassic
-
Baldonnel Formation (2)
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Carnian (3)
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Keuper (1)
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Norian (4)
-
Pardonet Formation (2)
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Rhaetian (2)
-
Xujiahe Formation (1)
-
Yanchang Formation (1)
-
-
-
Vaca Muerta Formation (11)
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Yanshanian (1)
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metal ores
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base metals (1)
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cobalt ores (1)
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copper ores (12)
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gold ores (7)
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IOCG deposits (1)
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iron ores (3)
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lead ores (9)
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lead-zinc deposits (6)
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manganese ores (2)
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nickel ores (1)
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polymetallic ores (2)
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silver ores (6)
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tin ores (2)
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tungsten ores (1)
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uranium ores (3)
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zinc ores (13)
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metals
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actinides
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thorium (2)
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uranium (3)
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alkali metals
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lithium (1)
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potassium (5)
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rubidium (1)
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sodium (2)
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-
alkaline earth metals
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barium (1)
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beryllium
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Be-10 (1)
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-
calcium
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Mg/Ca (1)
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-
magnesium
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Mg/Ca (1)
-
-
strontium
-
Sr-87/Sr-86 (14)
-
-
-
aluminum
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Al-26 (1)
-
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bismuth (1)
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chromium (1)
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cobalt (2)
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copper (1)
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hafnium
-
Hf-177/Hf-176 (3)
-
-
iron
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ferric iron (1)
-
ferrous iron (2)
-
-
lead
-
Pb-206/Pb-204 (6)
-
Pb-207/Pb-204 (4)
-
Pb-207/Pb-206 (1)
-
Pb-208/Pb-204 (3)
-
-
manganese (2)
-
molybdenum (2)
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nickel (4)
-
platinum group
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osmium
-
Os-188/Os-187 (1)
-
-
-
precious metals (1)
-
rare earths
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neodymium
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Nd-144/Nd-143 (5)
-
-
yttrium (1)
-
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tin (1)
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titanium (1)
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tungsten (1)
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vanadium (3)
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zirconium (1)
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metamorphic rocks
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cataclasites (1)
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gneisses
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granite gneiss (1)
-
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hornfels (1)
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marbles (3)
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metacarbonate rocks (1)
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metaigneous rocks
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metakomatiite (1)
-
-
metasedimentary rocks
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metalimestone (1)
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metasandstone (3)
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-
metasomatic rocks
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skarn (2)
-
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metavolcanic rocks (4)
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migmatites (1)
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phyllites (3)
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quartzites (8)
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schists
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black schists (1)
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greenschist (1)
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greenstone (1)
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slates (3)
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metamorphism (21)
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metasomatism (11)
-
Mexico
-
Baja California Mexico (2)
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Baja California Sur Mexico
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Loreto Basin (1)
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Vizcaino Peninsula (1)
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Campeche Mexico (1)
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Coahuila Mexico (1)
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Guerrero Mexico (1)
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Guerrero Terrane (1)
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La Popa Basin (2)
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Nuevo Leon Mexico (1)
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Sierra Madre Oriental (2)
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Sonora Mexico (1)
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Tabasco Mexico (1)
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Tamaulipas Mexico (1)
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mineral deposits, genesis (22)
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mineral exploration (6)
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mineralogy (1)
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minerals (1)
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mining geology (1)
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mud volcanoes (1)
-
nitrogen
-
N-15/N-14 (2)
-
-
noble gases
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argon
-
Ar-38/Ar-36 (1)
-
Ar-40/Ar-36 (1)
-
-
helium
-
He-4/He-3 (1)
-
-
neon
-
Ne-22/Ne-20 (1)
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Ne-22/Ne-21 (1)
-
-
-
North America
-
Appalachian Basin (6)
-
Appalachians
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Appalachian Plateau (2)
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Blue Ridge Mountains (1)
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Blue Ridge Province (2)
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Central Appalachians (2)
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Cumberland Plateau (1)
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Northern Appalachians (3)
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Piedmont (2)
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Southern Appalachians (4)
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Valley and Ridge Province (5)
-
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Basin and Range Province
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Great Basin (6)
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Belt Basin (1)
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Canadian Shield
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Churchill Province
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Snowbird tectonic zone (1)
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Slave Province (1)
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Superior Province (2)
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Great Plains (1)
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Gulf Coastal Plain (13)
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Lake Superior region (1)
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Michigan Basin (5)
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North American Cordillera
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Canadian Cordillera (3)
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North American Craton (1)
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Ogilvie Mountains (1)
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Pedregosa Basin (1)
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Rocky Mountains
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Canadian Rocky Mountains (1)
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Northern Rocky Mountains (1)
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U. S. Rocky Mountains
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Laramie Mountains (1)
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Uinta Mountains (1)
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-
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Transcontinental Arch (1)
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Western Canada Sedimentary Basin (7)
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Western Interior
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Western Interior Seaway (2)
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Williston Basin (4)
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Yukon-Tanana Terrane (1)
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nuclear facilities (1)
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ocean basins (2)
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ocean circulation (2)
-
Ocean Drilling Program
-
Leg 167
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ODP Site 1015 (1)
-
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Leg 174A
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ODP Site 1071 (1)
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ODP Site 1072 (1)
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ODP Site 1073 (1)
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-
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ocean floors (13)
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Oceania
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Melanesia
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Vanuatu (1)
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Polynesia
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Hawaii
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Kauai County Hawaii
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Kauai (1)
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oceanography (2)
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oil and gas fields (56)
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orogeny (33)
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oxygen
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O-18/O-16 (32)
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Pacific Ocean
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East Pacific
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Northeast Pacific
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Gulf of Alaska (1)
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Mendocino fracture zone (1)
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Santa Monica Basin (1)
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Southeast Pacific (1)
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North Pacific
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Bering Sea
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Bowers Ridge (1)
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Northeast Pacific
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Gulf of Alaska (1)
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Mendocino fracture zone (1)
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Santa Monica Basin (1)
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Northwest Pacific
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Bowers Ridge (1)
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South China Sea (3)
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Yellow Sea
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Bohai Sea (3)
-
-
-
-
South Pacific
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Southeast Pacific (1)
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Southwest Pacific
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Coral Sea
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Great Barrier Reef (2)
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Gulf of Carpentaria (1)
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Java Sea (1)
-
-
-
West Pacific
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Indonesian Seas
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Java Sea (1)
-
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Northwest Pacific
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Bowers Ridge (1)
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South China Sea (3)
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Yellow Sea
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Bohai Sea (3)
-
-
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Southwest Pacific
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Coral Sea
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Great Barrier Reef (2)
-
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Gulf of Carpentaria (1)
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Java Sea (1)
-
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Sunda Shelf (1)
-
-
-
paleoclimatology (50)
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paleoecology (25)
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paleogeography (126)
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paleomagnetism (11)
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paleontology (1)
-
Paleozoic
-
Arbuckle Group (1)
-
Bedford Shale (1)
-
Berea Sandstone (1)
-
Cambrian
-
Brigham Group (1)
-
Conasauga Group (1)
-
Lower Cambrian
-
Atdabanian (1)
-
Chilhowee Group (1)
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Gog Group (1)
-
Rome Formation (1)
-
Terreneuvian
-
Fortunian (1)
-
-
Tommotian (1)
-
-
Middle Cambrian
-
Flathead Sandstone (1)
-
Marjum Formation (1)
-
-
Upper Cambrian
-
Copper Ridge Dolomite (1)
-
Furongian (3)
-
Galesville Sandstone (1)
-
Pilgrim Formation (1)
-
Steptoean (3)
-
Wonewoc Formation (1)
-
-
-
Carboniferous
-
Lower Carboniferous
-
Asbian (1)
-
Dinantian (2)
-
-
Mississippian
-
Barnett Shale (3)
-
Borden Group (2)
-
Lower Mississippian
-
Fort Payne Formation (2)
-
Kayak Shale (1)
-
Lodgepole Formation (1)
-
Osagian (2)
-
-
Madison Group (1)
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Middle Mississippian
-
Visean
-
upper Visean (1)
-
-
-
Stanley Group (1)
-
Upper Mississippian
-
Chesterian
-
Aux Vases Sandstone (1)
-
Cypress Sandstone (1)
-
-
Greenbrier Limestone (1)
-
Meramecian
-
Saint Louis Limestone (1)
-
Sainte Genevieve Limestone (1)
-
Salem Limestone (1)
-
Warsaw Formation (1)
-
-
Pennington Formation (1)
-
Serpukhovian (1)
-
-
-
Namurian (1)
-
Pennsylvanian
-
Hermosa Group (1)
-
Lower Pennsylvanian
-
Bashkirian (1)
-
Gizzard Group (1)
-
-
Mary Lee Coal (1)
-
Middle Pennsylvanian
-
Atokan
-
Atoka Formation (1)
-
-
Desmoinesian
-
Marmaton Group (1)
-
-
Moscovian (2)
-
-
Pottsville Group (1)
-
Saginaw Formation (1)
-
Upper Pennsylvanian
-
Cisco Group (3)
-
Missourian
-
Kansas City Group (1)
-
Lansing Group (1)
-
Rock Lake Shale Member (1)
-
Stanton Formation (1)
-
-
Virgilian
-
Douglas Group (1)
-
Lawrence Formation (1)
-
Shawnee Group (1)
-
-
-
-
Upper Carboniferous (7)
-
-
Chattanooga Shale (1)
-
Deadwood Formation (1)
-
Devonian
-
Genesee Group (1)
-
Gile Mountain Formation (1)
-
Lower Devonian
-
Emsian (3)
-
Pragian (1)
-
-
Middle Devonian
-
Eifelian (1)
-
Hamilton Group (1)
-
Mahantango Formation (1)
-
Marcellus Shale (1)
-
Onondaga Limestone (1)
-
Sylvania Formation (1)
-
Tully Limestone (2)
-
-
Popovich Formation (1)
-
Slave Point Formation (1)
-
Swan Hills Formation (1)
-
Upper Devonian
-
Famennian (4)
-
Frasnian
-
Leduc Formation (2)
-
-
Kanayut Conglomerate (1)
-
Ohio Shale (1)
-
-
Waterways Formation (1)
-
-
Exshaw Formation (1)
-
Helderberg Group (1)
-
Knox Group (3)
-
Laborcita Formation (3)
-
Lisburne Group (1)
-
lower Paleozoic
-
Rose Run Sandstone (1)
-
-
middle Paleozoic (1)
-
Ordovician
-
Eureka Quartzite (1)
-
Lower Ordovician
-
Arenigian (1)
-
Ellenburger Group (1)
-
Prairie du Chien Group (1)
-
Shakopee Formation (1)
-
Tremadocian (2)
-
-
Meguma Group (1)
-
Middle Ordovician
-
Bromide Formation (1)
-
Dolgeville Formation (1)
-
Simpson Group (2)
-
-
Trenton Group (2)
-
Upper Ordovician
-
Ashgillian (3)
-
Caradocian (2)
-
Cincinnatian
-
Richmondian (1)
-
-
Fairview Formation (1)
-
Hirnantian (1)
-
Katian (1)
-
Kope Formation (2)
-
Maquoketa Formation (1)
-
Trentonian (2)
-
-
Utica Shale (1)
-
Valmy Formation (1)
-
Vinini Formation (2)
-
-
Permian
-
Coconino Sandstone (1)
-
Cutler Formation (1)
-
Glorieta Sandstone (1)
-
Guadalupian
-
Grayburg Formation (2)
-
Tansill Formation (1)
-
-
Kaibab Formation (1)
-
Khuff Formation (1)
-
Lower Permian
-
Abo Formation (3)
-
Al Khlata Formation (1)
-
Cisuralian
-
Artinskian (1)
-
Kungurian (1)
-
-
Leonardian
-
Bone Spring Limestone (2)
-
Clear Fork Group (1)
-
-
Wichita Group (1)
-
Wolfcampian (8)
-
-
Lyons Sandstone (1)
-
Middle Permian (1)
-
Rotliegendes (3)
-
Toroweap Formation (1)
-
Upper Permian
-
Permian-Triassic boundary (2)
-
Salado Formation (1)
-
Zechstein (1)
-
-
Yates Formation (3)
-
Yeso Formation (1)
-
-
Sauk Sequence (3)
-
Silurian
-
Bass Islands Dolomite (1)
-
Lower Silurian
-
Llandovery
-
Telychian (1)
-
-
Tuscarora Formation (1)
-
Wenlock (1)
-
-
Middle Silurian (1)
-
Rockwood Formation (1)
-
Upper Silurian
-
Ludlow (1)
-
Pridoli (1)
-
-
-
Tensleep Sandstone (2)
-
upper Paleozoic
-
Admire Group (1)
-
Bakken Formation (3)
-
Kaskaskia Sequence (1)
-
Tirrawarra Sandstone (1)
-
-
Waits River Formation (1)
-
Woodford Shale (1)
-
-
palynology (1)
-
palynomorphs
-
acritarchs (2)
-
Dinoflagellata (2)
-
miospores
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Classopollis (1)
-
pollen (2)
-
-
-
paragenesis (8)
-
petroleum
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natural gas
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coalbed methane (1)
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shale gas (4)
-
-
shale oil (5)
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-
petrology (9)
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Phanerozoic (8)
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phosphorus (2)
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Plantae
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algae
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calcareous algae (1)
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Coccolithophoraceae (2)
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diatoms (1)
-
nannofossils (9)
-
Rhodophyta
-
Corallinaceae (2)
-
-
-
Pteridophyta
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Lycopsida (1)
-
-
Spermatophyta
-
Angiospermae (2)
-
-
-
plate tectonics (69)
-
pollution (2)
-
Precambrian
-
Animikie Group (1)
-
Archean
-
Mesoarchean (5)
-
Neoarchean (2)
-
Paleoarchean (3)
-
Peninsular Gneiss (1)
-
Singhbhum Granite (1)
-
Swaziland Supergroup (1)
-
-
Biwabik Iron Formation (1)
-
Central Rand Group (1)
-
Cuddapah System (1)
-
Delhi Supergroup (2)
-
Fortescue Group (1)
-
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
siliciclastics
Tracking thermal histories through the detrital record using rutile U-Pb-He double-dating Open Access
Devonian–Permian sedimentation in the Central Yunnan basin, SW Yangtze block (South China): Insights into provenance and paleogeography of Li-rich bauxitic claystone Available to Purchase
Volcanic activity driving rapid organic carbon burial during the Ordovician–Silurian transition Available to Purchase
Igneous intrusion drives in-reservoir oil thermal cracking: A case from the Subei Basin, eastern China Available to Purchase
Seeing Through Metamorphism: Geochemical and Isotopic Studies of Amphibolite Facies Mafic-Siliciclastic (Besshi-Type) Massive Sulfide Deposits at the Elizabeth Copper Mine, Vermont, USA Open Access
Palmatolepis gracilis expansa Zone and Bispathodus aculeatus aculeatus Zone conodonts from the Three Lick Bed at the type locality, Ohio Shale, Upper Devonian, eastern Kentucky Available to Purchase
Modified Low-Field NMR Method for Improved Pore Space Analysis in Tight Fe-Bearing Siliciclastic and Extrusive Rocks Open Access
Regional variance in alluvial sedimentation and revised stratigraphy of the Klipheuwel Group and Franschhoek Formation Available to Purchase
Desertic siliciclastic stromatolites in the Upper Jurassic Guará Formation from southwestern Gondwana: Trapping and binding in a non-marine setting Available to Purchase
Evaluating reservoir properties and seal capacities of volcaniclastic rocks for hydrocarbon containment and their application to CO 2 storage Available to Purchase
Abstract Volcaniclastic rocks are commonly overlooked as reservoirs or seals in hydrocarbon plays because their compositions are variably unstable and reactive during burial diagenesis. This study investigated the petrography and petrophysical characteristics of 60 volcaniclastic and four siliciclastic samples from three Paleogene volcanic provinces – East Greenland, Faroe Islands and Ethiopia. The volcaniclastic samples have highly variable helium porosities (average 25.2%), but negligible total optical porosities (average 1.9%), implying reduced reservoir potential. The samples have, however, highly variable air permeabilities (average 11 mD), suggesting that they could make tight reservoirs. The permeabilities are related to either early calcite cements or the devitrification of volcanic glass. Mercury injection capillary pressure data were collected for a subset of 33 samples that at leakage/breakthrough saturations could, under near-surface conditions, hold oil column heights of between 4 and 1181 m (average 240 m). The best seals consistently have zeolite contents of >20 vol% owing to their small pore throat radii. Conversely, the worst seals are dominated by smectite and a conspicuous absence of zeolite minerals. The zeolite-rich volcaniclastic rocks could, therefore, make good shallow seals. These features also apply to CO 2 storage, but questions remain about the reactivity of the volcanic material and secondary minerals with injected CO 2 , but also the adsorbent properties of zeolites, particularly clinoptilolite, in the presence of CO 2 .