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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Congo Craton (1)
-
East Africa
-
Kenya (5)
-
Mozambique (2)
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Tanzania (4)
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-
Madagascar (4)
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Mozambique Belt (3)
-
Southern Africa
-
Kalahari Craton (1)
-
Namibia (3)
-
-
-
Antarctica
-
East Antarctica (1)
-
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Arctic region
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Greenland
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Greenland ice sheet (1)
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Sondre Stromfjord (1)
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West Greenland (1)
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-
-
Asia
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Arabian Peninsula
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Oman (1)
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Central Asia
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Kazakhstan
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Karatau Range (1)
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-
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Far East
-
Burma (1)
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China
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Yangtze Platform (1)
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Vietnam (2)
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Indian Peninsula
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Nepal (1)
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Pakistan (1)
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Middle East
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Turkey (2)
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Tajikistan (1)
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Tien Shan
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Karatau Range (1)
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-
-
Atlantic Ocean
-
Mid-Atlantic Ridge
-
Rainbow hydrothermal field (1)
-
TAG hydrothermal field (1)
-
-
North Atlantic
-
North Sea
-
Viking Graben (1)
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-
Rainbow hydrothermal field (1)
-
TAG hydrothermal field (1)
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-
-
Canada
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Eastern Canada
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Baffin Island (1)
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Nunavut
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Baffin Island (1)
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Western Canada
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Yukon Territory (1)
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-
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Central Graben (2)
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Commonwealth of Independent States
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Kazakhstan
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Karatau Range (1)
-
-
Russian Federation
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Murmansk Russian Federation
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Kola Peninsula (1)
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Pechenga (1)
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-
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Tajikistan (1)
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Death Valley (1)
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Europe
-
Alps
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Eastern Alps
-
Dinaric Alps (1)
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-
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Carpathians
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Western Carpathians (1)
-
-
Central Europe
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Slovakia (1)
-
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Fennoscandia (1)
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Murmansk Russian Federation
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Kola Peninsula (1)
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Pechenga (1)
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Southern Europe
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Dinaric Alps (1)
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Greece
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Greek Thrace
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Rhodope Greece (1)
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Iberian Peninsula
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Spain (1)
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Romania
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Transylvania
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Muntii Metalici (1)
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-
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Serbia (1)
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Yugoslavia (1)
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Thrace
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Greek Thrace
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Rhodope Greece (1)
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Western Europe
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France
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Central Massif (1)
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Ireland (2)
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Scandinavia
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Denmark (1)
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Finland (1)
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United Kingdom
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Great Britain
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Scotland
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Scottish Highlands
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Grampian Highlands (1)
-
-
-
-
-
-
-
Front Range (1)
-
Indian Ocean Islands
-
Madagascar (4)
-
-
North America
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Appalachians
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Southern Appalachians (1)
-
-
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San Joaquin Basin (1)
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South America
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Brazil (1)
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Colombia (1)
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United States
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California
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Southern California (1)
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Colorado
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Boulder County Colorado (1)
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Georgia
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Chattooga County Georgia (1)
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Dade County Georgia (1)
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Walker County Georgia (1)
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Whitfield County Georgia (1)
-
-
Midcontinent (1)
-
-
-
commodities
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bitumens (2)
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corundum deposits (1)
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gems (9)
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magnesite deposits (1)
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metal ores
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base metals (3)
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copper ores (1)
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gold ores (3)
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iron ores (2)
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lead ores (2)
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lead-zinc deposits (2)
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polymetallic ores (1)
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silver ores (1)
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tellurium ores (1)
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tungsten ores (2)
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vanadium ores (1)
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zinc ores (3)
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-
mineral deposits, genesis (9)
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mineral exploration (1)
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nonmetal deposits (1)
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oil and gas fields (5)
-
petroleum
-
natural gas (4)
-
-
placers (4)
-
ruby (4)
-
-
elements, isotopes
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boron
-
B-11/B-10 (4)
-
-
carbon
-
C-13/C-12 (16)
-
organic carbon (1)
-
-
chemical ratios (1)
-
hydrogen
-
D/H (6)
-
deuterium (3)
-
-
isotope ratios (30)
-
isotopes
-
radioactive isotopes
-
Ar-40/Ar-39 (1)
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
-
stable isotopes
-
Ar-40/Ar-39 (1)
-
B-11/B-10 (4)
-
C-13/C-12 (16)
-
D/H (6)
-
deuterium (3)
-
Li-7/Li-6 (1)
-
O-18 (2)
-
O-18/O-16 (27)
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
S-34/S-32 (6)
-
Sr-87/Sr-86 (5)
-
-
-
metals
-
alkali metals
-
lithium
-
Li-7/Li-6 (1)
-
-
potassium (1)
-
-
alkaline earth metals
-
strontium
-
Sr-87/Sr-86 (5)
-
-
-
aluminum (1)
-
chromium (1)
-
lead
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
-
manganese (1)
-
rare earths (1)
-
vanadium (2)
-
-
noble gases
-
argon
-
Ar-40/Ar-39 (1)
-
-
-
oxygen
-
O-18 (2)
-
O-18/O-16 (27)
-
-
silicon (1)
-
sulfur
-
S-34/S-32 (6)
-
-
-
fossils
-
bacteria (1)
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eukaryotes (1)
-
Invertebrata
-
Mollusca
-
Bivalvia
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Mytilus
-
Mytilus edulis (1)
-
-
-
-
-
microfossils
-
problematic microfossils (1)
-
-
Plantae
-
algae
-
Rhodophyta
-
Corallinaceae (1)
-
-
-
-
problematic fossils
-
problematic microfossils (1)
-
-
-
geochronology methods
-
Ar/Ar (2)
-
K/Ar (4)
-
Pb/Pb (1)
-
Rb/Sr (1)
-
Re/Os (1)
-
Sm/Nd (1)
-
U/Pb (3)
-
-
geologic age
-
Cenozoic
-
Quaternary
-
Holocene
-
upper Holocene (1)
-
-
-
Tertiary
-
Neogene
-
Miocene (1)
-
-
Paleogene
-
Paleocene
-
lower Paleocene
-
Danian (1)
-
-
-
-
-
-
Dalradian (1)
-
Mesozoic
-
Cretaceous
-
Upper Cretaceous (3)
-
-
Jurassic
-
Middle Jurassic
-
Bajocian
-
Brent Group (1)
-
-
-
Upper Jurassic
-
Fulmar Formation (3)
-
-
-
-
Paleozoic
-
Cambrian (2)
-
Carboniferous
-
Mississippian (1)
-
-
Ordovician
-
Lower Ordovician (1)
-
-
Permian
-
Lower Permian (1)
-
Rotliegendes (2)
-
Upper Permian
-
Zechstein (1)
-
-
-
Sauk Sequence (1)
-
-
Precambrian
-
Archean
-
Paleoarchean (2)
-
-
Hadean (1)
-
Pahrump Series (1)
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic (1)
-
Neoproterozoic
-
Cryogenian (3)
-
Ediacaran (1)
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Marinoan (2)
-
Otavi Group (1)
-
Sturtian (1)
-
Torridonian (1)
-
-
Paleoproterozoic (3)
-
-
-
-
-
igneous rocks
-
igneous rocks
-
kimberlite (1)
-
plutonic rocks
-
diabase (1)
-
gabbros (1)
-
granites (2)
-
granodiorites (1)
-
lamprophyres (1)
-
pegmatite (2)
-
syenites (1)
-
ultramafics (2)
-
-
porphyry (1)
-
volcanic rocks
-
basalts (2)
-
-
-
ophiolite (1)
-
-
metamorphic rocks
-
K-bentonite (1)
-
metamorphic rocks
-
amphibolites (1)
-
gneisses (3)
-
marbles (5)
-
metasedimentary rocks (2)
-
metasomatic rocks
-
skarn (2)
-
-
quartzites (1)
-
schists
-
chlorite schist (1)
-
greenschist (1)
-
-
-
ophiolite (1)
-
-
minerals
-
carbonates
-
ankerite (2)
-
aragonite (1)
-
calcite (1)
-
dawsonite (1)
-
dolomite (4)
-
hydromagnesite (2)
-
magnesite (2)
-
siderite (1)
-
-
K-bentonite (1)
-
minerals (1)
-
native elements
-
graphite (2)
-
-
oxides
-
corundum (5)
-
hercynite (1)
-
sapphire (3)
-
spinel (1)
-
spinel group (1)
-
-
phosphates
-
apatite (2)
-
-
silicates
-
chain silicates
-
amphibole group
-
clinoamphibole
-
pargasite (1)
-
-
-
pyroxene group
-
clinopyroxene
-
diopside (1)
-
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
K-feldspar (2)
-
-
plagioclase
-
anorthite (1)
-
-
-
nepheline group
-
nepheline (1)
-
-
scapolite group
-
scapolite (2)
-
-
silica minerals
-
quartz (5)
-
-
-
orthosilicates
-
nesosilicates
-
garnet group
-
grossular (4)
-
hydrogarnet (1)
-
-
kyanite (2)
-
sillimanite (1)
-
zircon group
-
zircon (2)
-
-
-
sorosilicates
-
epidote group
-
tanzanite (2)
-
zoisite (1)
-
-
-
-
ring silicates
-
emerald (1)
-
-
sheet silicates
-
clay minerals
-
kaolinite (2)
-
smectite (2)
-
vermiculite (1)
-
-
illite (7)
-
margarite (2)
-
mica group
-
biotite (1)
-
muscovite (1)
-
-
-
-
sulfates
-
barite (1)
-
-
sulfides
-
pyrite (1)
-
-
tungstates
-
ferberite (1)
-
-
-
Primary terms
-
absolute age (10)
-
Africa
-
Congo Craton (1)
-
East Africa
-
Kenya (5)
-
Mozambique (2)
-
Tanzania (4)
-
-
Madagascar (4)
-
Mozambique Belt (3)
-
Southern Africa
-
Kalahari Craton (1)
-
Namibia (3)
-
-
-
Antarctica
-
East Antarctica (1)
-
-
Arctic region
-
Greenland
-
Greenland ice sheet (1)
-
Sondre Stromfjord (1)
-
West Greenland (1)
-
-
-
Asia
-
Arabian Peninsula
-
Oman (1)
-
-
Central Asia
-
Kazakhstan
-
Karatau Range (1)
-
-
-
Far East
-
Burma (1)
-
China
-
Yangtze Platform (1)
-
-
Vietnam (2)
-
-
Indian Peninsula
-
Nepal (1)
-
Pakistan (1)
-
-
Middle East
-
Turkey (2)
-
-
Tajikistan (1)
-
Tien Shan
-
Karatau Range (1)
-
-
-
Atlantic Ocean
-
Mid-Atlantic Ridge
-
Rainbow hydrothermal field (1)
-
TAG hydrothermal field (1)
-
-
North Atlantic
-
North Sea
-
Viking Graben (1)
-
-
Rainbow hydrothermal field (1)
-
TAG hydrothermal field (1)
-
-
-
bacteria (1)
-
bitumens (2)
-
boron
-
B-11/B-10 (4)
-
-
Canada
-
Eastern Canada
-
Baffin Island (1)
-
-
Nunavut
-
Baffin Island (1)
-
-
Western Canada
-
Yukon Territory (1)
-
-
-
carbon
-
C-13/C-12 (16)
-
organic carbon (1)
-
-
Cenozoic
-
Quaternary
-
Holocene
-
upper Holocene (1)
-
-
-
Tertiary
-
Neogene
-
Miocene (1)
-
-
Paleogene
-
Paleocene
-
lower Paleocene
-
Danian (1)
-
-
-
-
-
-
clay mineralogy (3)
-
corundum deposits (1)
-
crust (2)
-
crystal chemistry (3)
-
crystal growth (1)
-
crystal structure (2)
-
crystallography (2)
-
diagenesis (12)
-
economic geology (1)
-
Europe
-
Alps
-
Eastern Alps
-
Dinaric Alps (1)
-
-
-
Carpathians
-
Western Carpathians (1)
-
-
Central Europe
-
Slovakia (1)
-
-
Fennoscandia (1)
-
Murmansk Russian Federation
-
Kola Peninsula (1)
-
Pechenga (1)
-
-
Southern Europe
-
Dinaric Alps (1)
-
Greece
-
Greek Thrace
-
Rhodope Greece (1)
-
-
-
Iberian Peninsula
-
Spain (1)
-
-
Romania
-
Transylvania
-
Muntii Metalici (1)
-
-
-
Serbia (1)
-
Yugoslavia (1)
-
-
Thrace
-
Greek Thrace
-
Rhodope Greece (1)
-
-
-
Western Europe
-
France
-
Central Massif (1)
-
-
Ireland (2)
-
Scandinavia
-
Denmark (1)
-
Finland (1)
-
-
United Kingdom
-
Great Britain
-
Scotland
-
Scottish Highlands
-
Grampian Highlands (1)
-
-
-
-
-
-
-
faults (3)
-
folds (1)
-
gems (9)
-
geochemistry (11)
-
glacial geology (4)
-
ground water (2)
-
hydrogen
-
D/H (6)
-
deuterium (3)
-
-
hydrology (1)
-
igneous rocks
-
kimberlite (1)
-
plutonic rocks
-
diabase (1)
-
gabbros (1)
-
granites (2)
-
granodiorites (1)
-
lamprophyres (1)
-
pegmatite (2)
-
syenites (1)
-
ultramafics (2)
-
-
porphyry (1)
-
volcanic rocks
-
basalts (2)
-
-
-
inclusions
-
fluid inclusions (6)
-
-
Indian Ocean Islands
-
Madagascar (4)
-
-
intrusions (4)
-
Invertebrata
-
Mollusca
-
Bivalvia
-
Mytilus
-
Mytilus edulis (1)
-
-
-
-
-
isotopes
-
radioactive isotopes
-
Ar-40/Ar-39 (1)
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
-
stable isotopes
-
Ar-40/Ar-39 (1)
-
B-11/B-10 (4)
-
C-13/C-12 (16)
-
D/H (6)
-
deuterium (3)
-
Li-7/Li-6 (1)
-
O-18 (2)
-
O-18/O-16 (27)
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
S-34/S-32 (6)
-
Sr-87/Sr-86 (5)
-
-
-
magnesite deposits (1)
-
Mesozoic
-
Cretaceous
-
Upper Cretaceous (3)
-
-
Jurassic
-
Middle Jurassic
-
Bajocian
-
Brent Group (1)
-
-
-
Upper Jurassic
-
Fulmar Formation (3)
-
-
-
-
metal ores
-
base metals (3)
-
copper ores (1)
-
gold ores (3)
-
iron ores (2)
-
lead ores (2)
-
lead-zinc deposits (2)
-
polymetallic ores (1)
-
silver ores (1)
-
tellurium ores (1)
-
tungsten ores (2)
-
vanadium ores (1)
-
zinc ores (3)
-
-
metals
-
alkali metals
-
lithium
-
Li-7/Li-6 (1)
-
-
potassium (1)
-
-
alkaline earth metals
-
strontium
-
Sr-87/Sr-86 (5)
-
-
-
aluminum (1)
-
chromium (1)
-
lead
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
-
manganese (1)
-
rare earths (1)
-
vanadium (2)
-
-
metamorphic rocks
-
amphibolites (1)
-
gneisses (3)
-
marbles (5)
-
metasedimentary rocks (2)
-
metasomatic rocks
-
skarn (2)
-
-
quartzites (1)
-
schists
-
chlorite schist (1)
-
greenschist (1)
-
-
-
metamorphism (6)
-
metasomatism (10)
-
mineral deposits, genesis (9)
-
mineral exploration (1)
-
mineralogy (1)
-
minerals (1)
-
noble gases
-
argon
-
Ar-40/Ar-39 (1)
-
-
-
nonmetal deposits (1)
-
North America
-
Appalachians
-
Southern Appalachians (1)
-
-
-
ocean floors (1)
-
oil and gas fields (5)
-
orogeny (2)
-
oxygen
-
O-18 (2)
-
O-18/O-16 (27)
-
-
paleoclimatology (3)
-
paleontology (1)
-
Paleozoic
-
Cambrian (2)
-
Carboniferous
-
Mississippian (1)
-
-
Ordovician
-
Lower Ordovician (1)
-
-
Permian
-
Lower Permian (1)
-
Rotliegendes (2)
-
Upper Permian
-
Zechstein (1)
-
-
-
Sauk Sequence (1)
-
-
paragenesis (2)
-
petroleum
-
natural gas (4)
-
-
phase equilibria (1)
-
placers (4)
-
Plantae
-
algae
-
Rhodophyta
-
Corallinaceae (1)
-
-
-
-
plate tectonics (4)
-
Precambrian
-
Archean
-
Paleoarchean (2)
-
-
Hadean (1)
-
Pahrump Series (1)
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic (1)
-
Neoproterozoic
-
Cryogenian (3)
-
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
Middle Neoproterozoic–Early Ordovician: foreland basins, climatic extremes and rift-to-drift margins
Tracing Organic-Inorganic Interactions by Light Stable Isotopes (H, Li, B, O) of an Oil-Bearing Shale and its Clay Fraction During Hydrous Pyrolysis
A template for an improved rock-based subdivision of the pre-Cryogenian timescale
Structural characterization of marine nano-quartz in chalk and flint from North Sea Tertiary chalk reservoirs for oil and gas
Pink and Red Spinels in Marble: Trace Elements, Oxygen Isotopes, and Sources
Age and Origin of the Tsavorite and Tanzanite Mineralizing Fluids in the Neoproterozoic Mozambique Metamorphic Belt
The Origin of a New Pargasite-schist Hosted Ruby Deposit from Paranesti, Northern Greece
Origin of Scapolite-hosted Sapphire (corundum) Near Kimmirut, Baffin Island, Nunavut, Canada
Duration and nature of the end-Cryogenian (Marinoan) glaciation
The Palaeoproterozoic global carbon cycle: insights from the Loch Maree Group, NW Scotland
Diagenesis of a light, tight-oil chert reservoir at the Ediacaran/Cambrian boundary, Sultanate of Oman
Abstract The timing and extent of ocean oxygenation is controversial. Proterozoic sulphur isotope datasets often show marked fluctuations over small stratigraphic intervals, suggesting that oceanic sulphate concentrations were much lower than modern values. A large accumulation of Neoproterozoic sulphate (>8 million tonnes preserved), as stratiform barite rock, is located in the Grampian Highlands near Aberfeldy. Diagenetic/metamorphic alteration has caused pronounced δ 34 S variations near bed margins. This aside, barite throughout the deposits shows a narrow range in δ 34 S, mean 36±1.5‰. We infer that this is representative of contemporaneous seawater sulphate, and that δ 34 S seawater was constant during deposition of a stratigraphical thickness >250 m of mostly fine-grained clastic sediments. Uniformity of δ 34 S seawater during barite precipitation, even in thick (>10 m) beds and with the co-occurrence of abundant sulphides incorporating bacteriogenically reduced sulphur, implies no limit to availability of seawater sulphate during hydrothermal exhalative events. Our data, combined with previous δ 34 S research on Dalradian metasediments, suggest a stability, abundance and constancy of ocean sulphate in the Neoproterozoic. This contrasts with isotopic data using trace sulphate in limestones. It appears that, around the time of the Marinoan glaciation ( c. 635 Ma), the ocean, although stratified at least locally, comprised a substantial reservoir of sulphate-bearing oxygenated seawater.
Ocean acidification in the aftermath of the Marinoan glaciation
Deep burial dissolution of K-feldspars in a fluvial sandstone, Pentland Formation, UK Central North Sea
New typology and origin of tsavorite based on trace-element chemistry
Hydrothermal fluids in epithermal and porphyry Au deposits in the Central Slovakia Volcanic Field
Abstract The Neogene Central Slovakia Volcanic Field in the Carpathian arc contains various Au deposits, hosted by central zones of large andesite stratovolcanoes. Fluids involved in mineralization have been studied at three different types of deposit, mostly by fluid inclusion and stable isotope techniques. The Rozália mine in the Štiavnica stratovolcano hosts intermediate sulphidation-style Au–Ag epithermal mineralization in subhorizontal veins related to hydrothermal activity during an early stage of caldera collapse. Associated fluids of low salinity underwent extensive boiling at 280–330 °C on transition from suprahydrostatic towards hydrodynamic conditions at shallow depths ( c. 550 m) from fluids of mixed magmatic and meteoric origin. The Kremnica ore field hosts a large system of low sulphidation-style Au–Ag veins contemporaneous with rhyolite magmatism and situated on resurgent horst faults. Fluids were of low salinity, predominantly of meteoric origin, and showed gradual decrease in temperature along the system ( c. 270–140 °C) related to a decrease in erosion level from c. 500 to c. 50 m. The Biely Vrch Au-porphyry deposit in the Javorie stratovolcano is associated with quartz stockwork in diorite porphyry intrusion. The major type of ore-bearing fluid was high temperature magmatic vapour (720–<380 °C) accompanied by Fe-rich salt melt. Gold precipitated in a high-temperature but low-pressure subvolcanic environment. Supplementary material: Stable isotope data and fluid inclusion microthermometric data are available at http://www.geolsoc.org.uk/SUP18752 .