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middle Eocene
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Claiborne Group (1)
-
Yegua Formation (1)
-
-
upper Eocene
-
Jackson Group (1)
-
Twiggs Clay (1)
-
-
-
Huber Formation (3)
-
Oligocene
-
Boom Clay (1)
-
Frio Formation (6)
-
lower Oligocene
-
Rupelian (1)
-
-
-
Paleocene
-
Clayton Formation (1)
-
lower Paleocene
-
Danian (2)
-
K-T boundary (4)
-
-
middle Paleocene
-
Selandian (1)
-
-
Porters Creek Formation (3)
-
upper Paleocene (5)
-
-
Paleocene-Eocene Thermal Maximum (4)
-
Sespe Formation (1)
-
Wilcox Group (3)
-
-
Shahejie Formation (1)
-
Warkalli Formation (1)
-
-
upper Cenozoic (1)
-
-
Coal Measures (2)
-
Mesozoic
-
Antalya Complex (1)
-
Cretaceous
-
Comanchean
-
Buda Limestone (1)
-
Glen Rose Formation (1)
-
Rodessa Formation (1)
-
-
Dakota Formation (1)
-
Hue Shale (1)
-
Lower Cretaceous
-
Albian (10)
-
Aptian (2)
-
Barremian (1)
-
Berriasian (1)
-
Gething Formation (1)
-
Glen Rose Formation (1)
-
Hauterivian (1)
-
Mannville Group (2)
-
McMurray Formation (1)
-
Moosebar Formation (1)
-
Mowry Shale (1)
-
Muderong Shale (1)
-
Rodessa Formation (1)
-
Spirit River Formation (1)
-
Valanginian (1)
-
Wealden (1)
-
-
Mancos Shale (2)
-
Nanushuk Group (1)
-
Upper Cretaceous
-
Belly River Formation (1)
-
Blackhawk Formation (1)
-
Buda Limestone (1)
-
Campanian (2)
-
Cenomanian (5)
-
Colville Group (1)
-
Ferron Sandstone Member (1)
-
Frontier Formation (1)
-
Ghareb Formation (1)
-
Gulfian
-
Austin Chalk (1)
-
Austin Group (1)
-
Eagle Ford Formation (1)
-
Woodbine Formation (1)
-
-
Hell Creek Formation (1)
-
K-T boundary (4)
-
Maestrichtian
-
lower Maestrichtian (1)
-
upper Maestrichtian (1)
-
-
Mesaverde Group (1)
-
Milk River Formation (1)
-
Niobrara Formation (1)
-
Price River Formation (1)
-
Prince Creek Formation (1)
-
Santonian (1)
-
Senonian (7)
-
Smoky Hill Chalk Member (1)
-
Teapot Sandstone Member (1)
-
Turonian
-
upper Turonian (1)
-
-
Tuscaloosa Formation (1)
-
-
Viking Formation (1)
-
Whitemud Formation (2)
-
-
Jurassic
-
Aztec Sandstone (1)
-
Lower Jurassic
-
Hettangian (2)
-
lower Liassic (1)
-
Portland Formation (1)
-
Toarcian
-
lower Toarcian (1)
-
-
Triassic-Jurassic boundary (2)
-
upper Liassic (4)
-
-
Middle Jurassic
-
Aalenian (1)
-
Bajocian
-
Brent Group (12)
-
Tarbert Formation (1)
-
-
Bathonian
-
Great Oolite Group (1)
-
-
Callovian (4)
-
-
Opalinus Clay (2)
-
Oxford Clay (1)
-
Posidonia Shale (1)
-
Upper Jurassic
-
Cotton Valley Group (1)
-
Fulmar Formation (2)
-
Kimmeridge Clay (4)
-
Kimmeridgian (5)
-
Morrison Formation (1)
-
Oxfordian (7)
-
Portlandian (3)
-
Tithonian (3)
-
-
-
Newark Supergroup (1)
-
Statfjord Formation (2)
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (1)
-
-
Middle Triassic (1)
-
Sherwood Sandstone (1)
-
Shublik Formation (1)
-
Upper Triassic
-
Carnian (5)
-
Chinle Formation (1)
-
Keuper (1)
-
Norian (2)
-
Rhaetian (1)
-
Shinarump Member (1)
-
Triassic-Jurassic boundary (2)
-
-
-
upper Mesozoic (1)
-
-
Paleozoic
-
Berea Sandstone (1)
-
Cambrian
-
Middle Cambrian
-
Burgess Shale (2)
-
-
Upper Cambrian
-
Mount Simon Sandstone (1)
-
-
-
Carboniferous
-
Benxi Formation (1)
-
Lower Carboniferous
-
Dinantian (7)
-
-
Mississippian
-
Lower Mississippian
-
Osagian
-
Keokuk Limestone (1)
-
-
-
Middle Mississippian
-
Visean (3)
-
-
Upper Mississippian
-
Chesterian
-
Cypress Sandstone (1)
-
-
-
Windsor Group (2)
-
-
Namurian (2)
-
Pennsylvanian
-
Brazil Formation (1)
-
Excello Shale (1)
-
Kittanning Formation (1)
-
Lower Pennsylvanian (1)
-
Middle Pennsylvanian
-
Atokan
-
Atoka Formation (2)
-
-
Desmoinesian
-
Cherokee Group (1)
-
-
Moscovian (1)
-
-
Morrow Formation (1)
-
Red Fork Sandstone (1)
-
Strawn Series (2)
-
Upper Pennsylvanian
-
Gzhelian (1)
-
Missourian (1)
-
Virgilian (1)
-
-
-
Silesian (1)
-
Upper Carboniferous
-
Stephanian (1)
-
Westphalian (4)
-
-
-
Devonian
-
Old Red Sandstone (2)
-
Upper Devonian
-
Grosmont Formation (1)
-
-
-
lower Paleozoic
-
Cape Phillips Formation (1)
-
-
Minnelusa Formation (1)
-
Ordovician
-
Lower Ordovician (2)
-
Middle Ordovician
-
Saint Peter Sandstone (3)
-
-
Skiddaw Slates (1)
-
Upper Ordovician
-
Caradocian
-
Borrowdale Volcanic Group (1)
-
-
Cincinnatian
-
Richmondian (1)
-
-
Juniata Formation (1)
-
Lorraine Group (1)
-
-
-
Permian
-
Cutler Formation (1)
-
Ecca Group (1)
-
Lower Permian
-
Wolfcampian (1)
-
-
Middle Permian (1)
-
Rotliegendes (8)
-
Shihezi Formation (2)
-
Unayzah Formation (1)
-
Upper Permian
-
Permian-Triassic boundary (1)
-
Zechstein (1)
-
-
Vryheid Formation (2)
-
-
Silurian
-
Lower Silurian (2)
-
-
Taiyuan Formation (4)
-
upper Paleozoic
-
Bakken Formation (1)
-
Dwyka Formation (1)
-
Fountain Formation (1)
-
Shanxi Formation (2)
-
-
-
Precambrian
-
Archean
-
Iron Ore Group (1)
-
Neoarchean
-
Dharwar Supergroup (1)
-
-
Peninsular Gneiss (1)
-
Singhbhum Granite (2)
-
-
upper Precambrian
-
Mahakoshal Group (1)
-
Proterozoic
-
Algonkian
-
Baraboo Quartzite (2)
-
-
Athabasca Formation (1)
-
Great Oxidation Event (1)
-
Huronian (1)
-
Lorrain Formation (1)
-
Mesoproterozoic (2)
-
Negaunee Iron Formation (1)
-
Neoproterozoic
-
Ediacaran (1)
-
Riphean (1)
-
-
Paleoproterozoic (5)
-
-
-
Ventersdorp Supergroup (1)
-
-
Vindhyan (1)
-
-
igneous rocks
-
igneous rocks
-
carbonatites (1)
-
kimberlite (1)
-
plutonic rocks
-
anorthosite (3)
-
diabase (5)
-
diorites
-
tonalite (1)
-
-
gabbros (2)
-
granites
-
adamellite (1)
-
alkali granites (2)
-
aplite (1)
-
biotite granite (2)
-
charnockite (1)
-
-
granodiorites (1)
-
ijolite (1)
-
monzonites (1)
-
pegmatite (8)
-
quartz monzonite (1)
-
syenites
-
nepheline syenite (1)
-
-
ultramafics
-
peridotites
-
dunite (1)
-
-
pyroxenite (1)
-
-
-
volcanic rocks
-
andesites (5)
-
basalts
-
alkali basalts
-
trachybasalts (1)
-
-
flood basalts (1)
-
tholeiitic basalt (1)
-
-
dacites (1)
-
glasses
-
obsidian (2)
-
palagonite (1)
-
pitchstone (1)
-
volcanic glass (5)
-
-
latite (1)
-
phonolites (1)
-
pyroclastics
-
ignimbrite (6)
-
pumice (2)
-
rhyolite tuff (3)
-
tuff (12)
-
-
quartz latite (1)
-
rhyodacites (1)
-
rhyolites (6)
-
trachyandesites (2)
-
-
-
ophiolite (1)
-
volcanic ash (13)
-
-
metamorphic rocks
-
K-bentonite (4)
-
metamorphic rocks
-
amphibolites
-
orthoamphibolite (1)
-
-
gneisses
-
granite gneiss (3)
-
sillimanite gneiss (1)
-
-
itabirite (1)
-
metaigneous rocks
-
serpentinite (3)
-
-
metasedimentary rocks
-
khondalite (2)
-
metapelite (1)
-
metasandstone (2)
-
-
metasomatic rocks
-
greisen (3)
-
serpentinite (3)
-
-
metavolcanic rocks (3)
-
migmatites (2)
-
mylonites (1)
-
phyllites (5)
-
quartzites (5)
-
schists
-
black schists (1)
-
chlorite schist (1)
-
-
slates (6)
-
-
ophiolite (1)
-
turbidite (1)
-
-
meteorites
-
meteorites
-
stony meteorites
-
chondrites
-
carbonaceous chondrites
-
CM chondrites
-
Murchison Meteorite (1)
-
-
-
-
-
-
-
minerals
-
arsenates (2)
-
arsenides
-
arsenopyrite (1)
-
cobaltite (1)
-
-
carbonates
-
ankerite (7)
-
aragonite (2)
-
bastnaesite (3)
-
calcite (59)
-
cancrinite (3)
-
dawsonite (1)
-
dolomite (22)
-
magnesian calcite (1)
-
magnesite (1)
-
siderite (21)
-
sphaerosiderite (2)
-
strontianite (1)
-
witherite (1)
-
-
chromates (3)
-
halides
-
chlorides (1)
-
fluorides
-
bastnaesite (3)
-
fluorite (6)
-
topaz (1)
-
-
-
hydrates (4)
-
iron minerals (1)
-
K-bentonite (4)
-
minerals (314)
-
molybdates
-
umohoite (1)
-
-
native elements
-
graphite (1)
-
-
organic minerals
-
urea (1)
-
-
oxalates (4)
-
oxides
-
aluminum oxides (10)
-
anatase (17)
-
baddeleyite (1)
-
bayerite (1)
-
birnessite (1)
-
boehmite (10)
-
brucite (5)
-
chrysoberyl (1)
-
corundum (2)
-
cryptomelane (1)
-
diaspore (8)
-
ferrihydrite (9)
-
germanates (1)
-
gibbsite (63)
-
goethite (69)
-
hematite (52)
-
hollandite (1)
-
hydroxides
-
aluminum hydroxides (3)
-
iron hydroxides (4)
-
oxyhydroxides (8)
-
-
ilmenite (3)
-
iron oxides (38)
-
lepidocrocite (6)
-
leucoxene (2)
-
limonite (2)
-
lithiophorite (1)
-
maghemite (5)
-
magnetite (9)
-
manganese oxides (2)
-
niobates
-
pyrochlore (2)
-
-
nordstrandite (1)
-
pyrolusite (1)
-
rutile (10)
-
sapphire (1)
-
tantalates
-
stibiotantalite (1)
-
tantalite (1)
-
-
titanium oxides (7)
-
titanomagnetite (1)
-
todorokite (2)
-
uraninite (4)
-
zincite (1)
-
-
phosphates
-
apatite (8)
-
crandallite (6)
-
florencite (1)
-
fluorapatite (1)
-
francolite (2)
-
goyazite (4)
-
hydroxylapatite (1)
-
monazite (4)
-
montebrasite (1)
-
rhabdophane (1)
-
strengite (1)
-
variscite (2)
-
vivianite (1)
-
wavellite (1)
-
xenotime (1)
-
-
platinum minerals (1)
-
silicates
-
aluminosilicates (25)
-
asbestos (1)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
hornblende (2)
-
-
-
carpholite (1)
-
prehnite (1)
-
pyroxene group
-
clinopyroxene
-
diopside (2)
-
spodumene
-
kunzite (1)
-
-
-
orthopyroxene (1)
-
-
wollastonite group
-
pectolite (1)
-
wollastonite (1)
-
-
-
feldspathoids (2)
-
framework silicates
-
cancrinite (3)
-
feldspar group
-
alkali feldspar
-
adularia (3)
-
K-feldspar (29)
-
microcline (8)
-
orthoclase (2)
-
perthite (1)
-
sanidine (1)
-
-
plagioclase
-
albite (14)
-
anorthite (3)
-
bytownite (1)
-
oligoclase (1)
-
-
-
leucite (1)
-
nepheline group
-
kaliophilite (1)
-
kalsilite (3)
-
nepheline (1)
-
-
silica minerals
-
chalcedony (2)
-
cristobalite (4)
-
jasper (1)
-
opal
-
opal-CT (4)
-
-
quartz (120)
-
tridymite (1)
-
-
sodalite group
-
sodalite (3)
-
-
zeolite group
-
analcime (6)
-
chabazite (2)
-
clinoptilolite (7)
-
heulandite (2)
-
laumontite (3)
-
mordenite (3)
-
phillipsite (1)
-
pollucite (2)
-
wairakite (2)
-
-
-
orthosilicates
-
nesosilicates
-
andalusite (3)
-
euclase (2)
-
garnet group
-
almandine (1)
-
-
kyanite (1)
-
mullite (4)
-
phenakite group
-
eucryptite (1)
-
phenakite (1)
-
willemite (1)
-
-
sillimanite (2)
-
titanite group
-
titanite (1)
-
-
topaz (1)
-
zircon group
-
coffinite (1)
-
zircon (7)
-
-
-
sorosilicates
-
bertrandite (2)
-
epidote group
-
epidote (4)
-
-
melilite group
-
gehlenite (1)
-
-
-
-
ring silicates
-
beryl (2)
-
cordierite (1)
-
tourmaline group
-
dravite (1)
-
foitite (1)
-
schorl (2)
-
-
-
sheet silicates
-
cerolite (1)
-
chlorite group
-
chamosite (5)
-
chlorite (202)
-
clinochlore (5)
-
cookeite (4)
-
sudoite (12)
-
-
clay minerals
-
allophane (21)
-
beidellite (20)
-
chrysocolla (1)
-
dickite (99)
-
halloysite (139)
-
hectorite (12)
-
hisingerite (2)
-
imogolite (5)
-
kaolinite (1695)
-
metahalloysite (3)
-
montmorillonite (168)
-
nacrite (26)
-
nontronite (16)
-
saponite (6)
-
smectite (410)
-
vermiculite (63)
-
-
corrensite (4)
-
hydrobiotite (1)
-
illite (477)
-
margarite (2)
-
mica group
-
biotite (24)
-
celadonite (1)
-
glauconite (19)
-
lepidolite (1)
-
muscovite (53)
-
paragonite (5)
-
phengite (4)
-
phlogopite (6)
-
polylithionite (1)
-
-
palygorskite (48)
-
petalite (1)
-
pyrophyllite (34)
-
rectorite (3)
-
sepiolite (18)
-
sericite (3)
-
serpentine group
-
antigorite (3)
-
berthierine (15)
-
chrysotile (5)
-
cronstedtite (4)
-
lizardite (5)
-
serpentine (16)
-
-
talc (11)
-
tosudite (3)
-
-
-
sulfates
-
alunite (30)
-
anhydrite (6)
-
barite (4)
-
bassanite (1)
-
epsomite (1)
-
ettringite (1)
-
gypsum (8)
-
halotrichite (1)
-
iron sulfates (1)
-
jarosite (11)
-
natroalunite (2)
-
svanbergite (1)
-
thenardite (1)
-
-
sulfides
-
arsenopyrite (1)
-
chalcopyrite (1)
-
cobaltite (1)
-
galena (1)
-
greigite (1)
-
jordisite (1)
-
marcasite (3)
-
molybdenite (1)
-
pyrite (23)
-
sphalerite (2)
-
-
uranium minerals (1)
-
-
Primary terms
-
absolute age (34)
-
Africa
-
Central Africa
-
Angola (3)
-
Burundi (1)
-
Congo (1)
-
Gabon (2)
-
-
Congo Basin (2)
-
East Africa
-
Ethiopia (2)
-
Mozambique
-
Zambezia Mozambique (1)
-
-
Tanzania (1)
-
Zambia (1)
-
-
East African Lakes (1)
-
Kalahari Desert (1)
-
Limpopo Basin (1)
-
Limpopo Belt (1)
-
North Africa
-
Algeria
-
Hassi Messaoud Field (1)
-
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
High Atlas (1)
-
-
-
Egypt
-
Bahariya Oasis (1)
-
Nile Delta (1)
-
-
Morocco
-
Moroccan Atlas Mountains
-
High Atlas (1)
-
-
Rif (1)
-
Tangier Morocco (1)
-
-
Tunisia
-
El Kef Tunisia (1)
-
-
-
Senegal River (1)
-
Southern Africa
-
Botswana
-
Okavango Delta (1)
-
-
Namibia (1)
-
South Africa
-
Bushveld Complex (1)
-
Cape fold belt (1)
-
Cape Province region (1)
-
Free State South Africa (2)
-
KwaZulu-Natal South Africa (1)
-
Transvaal region (2)
-
-
-
West Africa
-
Cameroon (12)
-
Guinea (1)
-
Ivory Coast (2)
-
Liberia (1)
-
Mauritania (1)
-
Niger (1)
-
Niger River (1)
-
Nigeria
-
Ibadan Nigeria (1)
-
Niger Delta (3)
-
-
Nimba Mountains (1)
-
Senegal (3)
-
Taoudenni Basin (1)
-
-
Zambezi Valley (1)
-
-
Antarctica
-
East Antarctica (1)
-
South Shetland Islands
-
King George Island
-
Fildes Peninsula (1)
-
-
-
-
Arctic Ocean
-
Alpha Cordillera (1)
-
Beaufort Sea (3)
-
Canada Basin (1)
-
Chukchi Sea (1)
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Laptev Sea (1)
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Norwegian Sea
-
Haltenbanken (1)
-
-
-
Arctic region
-
Russian Arctic (2)
-
-
Asia
-
Arabian Peninsula
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Oman (3)
-
Saudi Arabia (2)
-
-
Central Asia
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Kazakhstan (1)
-
-
Far East
-
Borneo
-
Kalimantan Indonesia
-
Mahakam Delta (1)
-
-
-
China
-
Anhui China (1)
-
Bohaiwan Basin (2)
-
Datong China (1)
-
Fujian China (3)
-
Gansu China
-
Linxia Basin (1)
-
-
Guangdong China (1)
-
Guangxi China
-
Guilin (1)
-
-
Heilongjiang China (1)
-
Henan China (3)
-
Hong Kong (2)
-
Hubei China
-
Jianghan Basin (1)
-
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Inner Mongolia China
-
Erlian Basin (1)
-
-
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Mollusca
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Cephalopoda
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Protista
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Foraminifera
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Vermes
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O-18/O-16 (50)
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Os-187/Os-186 (1)
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Os-188/Os-187 (1)
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S-34/S-32 (7)
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Sr-87/Sr-86 (4)
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kaolin deposits (78)
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Malay Archipelago
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marine geology (4)
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Mediterranean region
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Cyclades
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Mediterranean Sea
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Mesozoic
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Antalya Complex (1)
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Cretaceous
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Comanchean
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Rodessa Formation (1)
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Dakota Formation (1)
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Lower Cretaceous
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Albian (10)
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Wealden (1)
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Mancos Shale (2)
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Upper Cretaceous
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Belly River Formation (1)
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Buda Limestone (1)
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Gulfian
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Woodbine Formation (1)
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Hell Creek Formation (1)
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K-T boundary (4)
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Maestrichtian
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lower Maestrichtian (1)
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upper Maestrichtian (1)
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Mesaverde Group (1)
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Milk River Formation (1)
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Niobrara Formation (1)
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Price River Formation (1)
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Prince Creek Formation (1)
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Smoky Hill Chalk Member (1)
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Teapot Sandstone Member (1)
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Turonian
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upper Turonian (1)
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Tuscaloosa Formation (1)
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Viking Formation (1)
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Whitemud Formation (2)
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Jurassic
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Aztec Sandstone (1)
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Lower Jurassic
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Hettangian (2)
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Portland Formation (1)
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Toarcian
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Triassic-Jurassic boundary (2)
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Middle Jurassic
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Bathonian
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Callovian (4)
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Opalinus Clay (2)
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Upper Jurassic
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Cotton Valley Group (1)
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Fulmar Formation (2)
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Kimmeridgian (5)
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Morrison Formation (1)
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Newark Supergroup (1)
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Statfjord Formation (2)
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Triassic
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Lower Triassic
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Permian-Triassic boundary (1)
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Sherwood Sandstone (1)
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Upper Triassic
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Carnian (5)
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Keuper (1)
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Norian (2)
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upper Mesozoic (1)
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Sr-87/Sr-86 (4)
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Mexico
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North America
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Disturbed Belt (1)
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Ocean Drilling Program
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Leg 113
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ODP Site 690 (1)
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Leg 117
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Leg 171B
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Leg 174AX (1)
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ocean floors (2)
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Oceania
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Samoa (1)
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Pacific Coast (1)
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Equatorial Pacific (1)
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South Pacific
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paleoclimatology (48)
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Paleozoic
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Cambrian
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Upper Cambrian
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Mount Simon Sandstone (1)
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Carboniferous
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Benxi Formation (1)
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Lower Carboniferous
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Dinantian (7)
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Mississippian
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Lower Mississippian
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Keokuk Limestone (1)
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Middle Mississippian
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Visean (3)
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Upper Mississippian
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Chesterian
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Cypress Sandstone (1)
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Windsor Group (2)
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Namurian (2)
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Pennsylvanian
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Brazil Formation (1)
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Excello Shale (1)
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Kittanning Formation (1)
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Lower Pennsylvanian (1)
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Middle Pennsylvanian
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Atokan
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Atoka Formation (2)
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Desmoinesian
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Cherokee Group (1)
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Moscovian (1)
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Morrow Formation (1)
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Red Fork Sandstone (1)
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Strawn Series (2)
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Upper Pennsylvanian
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Gzhelian (1)
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Silesian (1)
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Upper Carboniferous
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Stephanian (1)
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Westphalian (4)
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Devonian
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Old Red Sandstone (2)
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Upper Devonian
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Grosmont Formation (1)
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lower Paleozoic
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Cape Phillips Formation (1)
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Minnelusa Formation (1)
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Ordovician
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Lower Ordovician (2)
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Middle Ordovician
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Saint Peter Sandstone (3)
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Skiddaw Slates (1)
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Upper Ordovician
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Caradocian
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Borrowdale Volcanic Group (1)
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Cincinnatian
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Richmondian (1)
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Juniata Formation (1)
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Lorraine Group (1)
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Permian
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Cutler Formation (1)
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Ecca Group (1)
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Lower Permian
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Wolfcampian (1)
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Middle Permian (1)
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Rotliegendes (8)
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Shihezi Formation (2)
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Unayzah Formation (1)
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Upper Permian
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Permian-Triassic boundary (1)
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Zechstein (1)
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Vryheid Formation (2)
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Silurian
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Lower Silurian (2)
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Taiyuan Formation (4)
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upper Paleozoic
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Bakken Formation (1)
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Dwyka Formation (1)
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Fountain Formation (1)
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Shanxi Formation (2)
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palynomorphs
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paragenesis (23)
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Plantae
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Precambrian
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Iron Ore Group (1)
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Peninsular Gneiss (1)
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Singhbhum Granite (2)
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upper Precambrian
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Mahakoshal Group (1)
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Proterozoic
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Algonkian
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Baraboo Quartzite (2)
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Athabasca Formation (1)
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Great Oxidation Event (1)
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Mesoproterozoic (2)
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Neoproterozoic
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Ediacaran (1)
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Paleoproterozoic (5)
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Ventersdorp Supergroup (1)
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
kaolinite
Enrichment and fractionation of rare earth elements (REEs) in ion-adsorption-type REE deposits: Constraints of an iron (hydr)oxide-clay mineral composite Available to Purchase
Barium mobility in a geothermal environment, Yellowstone National Park Available to Purchase
Mineralogy of Lateritic Weathering Profiles Developed on the Rocks under a Sub-equatorial Monsoon Climate: Case of the Bambouto Mountains Available to Purchase
Fault rock structure-related stiffness contrast explains earthquakes in creeping faults Available to Purchase
Comparative study on ionic dissolution and structural changes of montmorillonite, kaolinite and muscovite during interfacial reactions with oxalic acid solution: Nanominerals and mineral nanoparticles – thematic issue Available to Purchase
Mineralogy, Geochemistry and Industrial Appraisal of Kaolin from Abeokuta Area, Southwestern Nigeria Available to Purchase
Weathering as a control on the triple oxygen isotopes of groundwater-associated ferromanganese deposits: lessons from the Grimlock Ni–Co–Mn prospect, Northern Territory, Australia Available to Purchase
Factors Influencing the Sand Production in the Lakwa Oilfield of Upper Assam Basin, India Available to Purchase
Moroccan heated clay-based geopolymer reinforced with date palm cellulose: microstructure characterization and mechanical/physical properties Available to Purchase
Behaviour of redox-sensitive elements (Ti, As, V and Fe) in clay pit samples with and without Al normalization Available to Purchase
Correlation between Hinckley index and stacking order-disorder in kaolinite Available to Purchase
Provenance shifts in bauxitic clay from Zibo, North China Craton, links tectonics and climate to environmental perturbation Open Access
Characterization Study of some Bauxite Deposits in Northern Brazil Available to Purchase
Characterization of refractory bricks from selected Cameroonian kaolins Open Access
Characterization of the clayey sediments in the exposed mudflats of the western Dead Sea shore Open Access
The application of hyperspectral core imaging for oil and gas Available to Purchase
Abstract Hyperspectral core imaging as a commercial technology is fairly new to the oil and gas industry, providing a rapid and non-destructive method for mapping mineralogy of drill core and cuttings. The technology makes use of infrared spectrometers that collect imagery across the visible, near infrared, short-wave infrared and thermal (long-wave) infrared range that contains information related to a variety of mineral species, and in some cases including mineral chemistry and texture. In this paper we illustrate how the mineralogical information can be used directly for a variety of applications relevant to reservoir quality, including mineral mapping, sedimentological mapping and upscaling of micro information to the well scale. Statistical analysis allows the data to be used to segment cores into different rock types, and via calibration to quantitative mineralogical techniques, the data can be used to construct continuous curves of quantitative mineralogy, total organic content and production parameters.