Skip Nav Destination
iron formations
Update search
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Central Africa
-
Congo Democratic Republic (2)
-
West Congo Belt (1)
-
-
Congo Craton (1)
-
Kalahari Desert (1)
-
Limpopo Belt (3)
-
North Africa
-
Egypt
-
Eastern Desert (2)
-
-
Libya (1)
-
-
Reguibat Ridge (1)
-
Southern Africa
-
Barberton greenstone belt (2)
-
Kaapvaal Craton (12)
-
Kalahari Craton (1)
-
Namaqualand (1)
-
Namibia
-
Otavi Namibia (1)
-
-
South Africa
-
Bushveld Complex (1)
-
Cape Province region (3)
-
KwaZulu-Natal South Africa
-
Zululand (1)
-
-
Mpumalanga South Africa (2)
-
Northern Cape Province South Africa (6)
-
Sutherland South Africa (1)
-
Transvaal region (6)
-
Witwatersrand (3)
-
-
Swaziland (1)
-
Zimbabwe (9)
-
-
West Africa
-
Cameroon (2)
-
Ghana (2)
-
Liberia (1)
-
Mauritania (2)
-
Nigeria (1)
-
Nimba Mountains (1)
-
-
West African Shield (1)
-
Zimbabwe Craton (2)
-
-
Arctic region
-
Greenland
-
Isua Belt (3)
-
Nuuk Greenland (1)
-
West Greenland (5)
-
-
-
Asia
-
Central Asia
-
Kazakhstan
-
Central Kazakhstan (1)
-
Ulu-Tau (1)
-
-
-
Far East
-
China
-
Anshan China (4)
-
Guangxi China (1)
-
Hebei China (2)
-
Hunan China (1)
-
Inner Mongolia China (1)
-
Liaoning China (2)
-
North China Platform (11)
-
Shanxi China (5)
-
Xinjiang China (1)
-
-
Indonesia
-
Celebes (1)
-
-
Japan
-
Kyushu
-
Kagoshima Japan
-
Satsuma Peninsula (1)
-
-
-
-
-
Himalayas (1)
-
Indian Peninsula
-
India
-
Andhra Pradesh India
-
Nellore mica belt (1)
-
Prakasam India (1)
-
-
Bastar Craton (2)
-
Bihar India (3)
-
Bundelkhand (3)
-
Chhattisgarh India (1)
-
Dharwar Craton (5)
-
Jharkhand India
-
Singhbhum India (5)
-
-
Karnataka India (1)
-
Kolar schist belt (1)
-
Orissa India
-
Keonjhar India (1)
-
-
Singhbhum shear zone (2)
-
-
-
Middle East
-
Iran (4)
-
-
Tien Shan (1)
-
-
Atlantic Ocean
-
North Atlantic
-
Hudson Bay (1)
-
Labrador Basin (1)
-
-
-
Australasia
-
Australia
-
New South Wales Australia (3)
-
Northern Territory Australia
-
Pine Creek Geosyncline (1)
-
-
Queensland Australia (1)
-
South Australia
-
Gawler Craton (1)
-
-
Tanami Desert (1)
-
Western Australia
-
Earaheedy Basin (1)
-
Hamersley Basin (14)
-
Hamersley Province (7)
-
Hamersley Range (6)
-
Murchison Province (1)
-
Norseman-Wiluna Belt (1)
-
Pilbara Craton (9)
-
Wittenoom Gorge (1)
-
Yilgarn Craton (13)
-
-
-
-
Black Hills (1)
-
Broken Hill (3)
-
Broken Hill Mine (1)
-
Caledonides (1)
-
Canada
-
Eastern Canada
-
Maritime Provinces
-
New Brunswick
-
Gloucester County New Brunswick
-
Bathurst mining district (3)
-
-
-
-
Newfoundland and Labrador
-
Labrador (10)
-
Newfoundland (11)
-
-
Ontario
-
Algoma District Ontario
-
Wawa Ontario (2)
-
-
Cochrane District Ontario
-
Timmins Ontario (1)
-
-
Sudbury Structure (4)
-
Temagami Mine (1)
-
Thunder Bay (1)
-
Thunder Bay District Ontario
-
Lake Nipigon (1)
-
Thunder Bay Ontario (1)
-
-
Timiskaming District Ontario
-
Kirkland Lake Ontario (2)
-
-
-
Quebec
-
Saguenay County Quebec
-
Schefferville Quebec (4)
-
-
-
-
Hudson Bay (1)
-
Labrador Trough (14)
-
Mackenzie Mountains (1)
-
Nunavut
-
Lupin Mine (4)
-
-
Richardson Mountains (1)
-
Western Canada
-
Alberta (2)
-
Canadian Cordillera (1)
-
Contwoyto Lake (3)
-
Lupin Mine (4)
-
Manitoba
-
Lac du Bonnet Batholith (1)
-
Pinawa Manitoba
-
Underground Research Laboratory (1)
-
-
Thompson nickel belt (1)
-
-
Northwest Territories (11)
-
Saskatchewan
-
Key Lake Deposits (1)
-
-
Yukon Territory
-
Blow River (2)
-
-
-
-
Commonwealth of Independent States
-
Kazakhstan
-
Central Kazakhstan (1)
-
Ulu-Tau (1)
-
-
Russian Federation
-
Karelia Russian Federation (1)
-
Kursk magnetic anomaly (1)
-
Voronezh Russian Federation
-
Voronezh Anteclise (1)
-
-
-
Ukraine
-
Dnepropetrovsk Ukraine
-
Krivoy Rog Ukraine (1)
-
-
-
-
East Pacific Ocean Islands
-
Hawaii (1)
-
-
Europe
-
Fennoscandian Shield (3)
-
Karelia Russian Federation (1)
-
Kursk magnetic anomaly (1)
-
Southern Europe
-
Bulgaria
-
Balkan Foreland (1)
-
-
Iberian Peninsula
-
Spain
-
Andalusia Spain
-
Huelva Spain (1)
-
-
Castilla y Leon Spain (1)
-
-
-
-
Ukraine
-
Dnepropetrovsk Ukraine
-
Krivoy Rog Ukraine (1)
-
-
-
Voronezh Russian Federation
-
Voronezh Anteclise (1)
-
-
Western Europe
-
Iceland
-
Snaefellsnes Peninsula (1)
-
-
Ireland
-
Wexford Ireland (1)
-
Wicklow Ireland (1)
-
-
Scandinavia
-
Sweden
-
Bergslagen (2)
-
-
-
-
-
Granite Mountains (1)
-
Harrison Lake (1)
-
Homestake Mine (1)
-
Hudson Bay Basin (1)
-
McArthur Basin (1)
-
North America
-
Appalachians
-
Piedmont (2)
-
Southern Appalachians (2)
-
-
Canadian Shield
-
Churchill Province
-
Hearne Province (1)
-
Rae Province (1)
-
-
Grenville Province (1)
-
Nain Province (1)
-
Slave Province (5)
-
Superior Province
-
Abitibi Belt (5)
-
Michipicoten Belt (1)
-
Quetico Belt (1)
-
Wabigoon Belt (2)
-
Wawa Belt (2)
-
-
-
Great Lakes
-
Lake Superior (4)
-
-
Great Lakes region (8)
-
Grenville Front (1)
-
Lake Superior region (12)
-
North American Cordillera
-
Canadian Cordillera (1)
-
-
Rocky Mountains
-
Northern Rocky Mountains (1)
-
Southern Rocky Mountains (1)
-
U. S. Rocky Mountains
-
Absaroka Range
-
Beartooth Mountains (1)
-
-
Gravelly Range (1)
-
Sangre de Cristo Mountains (1)
-
Tobacco Root Mountains (1)
-
Wind River Range (1)
-
-
-
-
Oceania
-
Polynesia
-
Hawaii (1)
-
-
-
Pacific Ocean
-
Central Pacific (1)
-
East Pacific
-
East Pacific Rise (1)
-
Northeast Pacific
-
Loihi Seamount (1)
-
-
Southeast Pacific
-
Lau Basin (1)
-
-
-
North Pacific
-
Northeast Pacific
-
Loihi Seamount (1)
-
-
-
South Pacific
-
Southeast Pacific
-
Lau Basin (1)
-
-
-
-
Ruby Range (2)
-
Russian Platform (1)
-
Snake River (1)
-
South America
-
Amazonian Craton (1)
-
Brazil
-
Aracuai Belt (1)
-
Mato Grosso Brazil (1)
-
Mato Grosso do Sul Brazil (2)
-
Minas Gerais Brazil
-
Itabira Brazil (3)
-
Quadrilatero Ferrifero (13)
-
-
Para Brazil
-
Carajas mineral province (4)
-
Serra dos Carajas (1)
-
-
Sao Francisco Craton (9)
-
Serra do Espinhaco (1)
-
-
Chile (1)
-
Colombia (1)
-
Guiana Shield (1)
-
Uruguay (1)
-
Venezuela
-
Bolivar Venezuela
-
Imataca Complex (1)
-
-
-
-
United States
-
Alabama
-
Jefferson County Alabama (1)
-
-
Alaska (1)
-
California (1)
-
Georgia (2)
-
Hawaii (1)
-
Indiana
-
Vigo County Indiana (1)
-
-
Maryland
-
Carroll County Maryland (1)
-
-
Michigan
-
Michigan Upper Peninsula
-
Baraga County Michigan (1)
-
Dickinson County Michigan (1)
-
Gogebic County Michigan (3)
-
Marquette County Michigan
-
Marquette Michigan (1)
-
Marquette Range (1)
-
-
Menominee County Michigan (1)
-
-
-
Minnesota
-
Cook County Minnesota (1)
-
Duluth Complex (3)
-
Lake County Minnesota (2)
-
Mesabi Range (10)
-
Saint Louis County Minnesota
-
Duluth Minnesota (2)
-
-
Vermilion Range (2)
-
-
Montana
-
Gravelly Range (1)
-
Madison County Montana
-
Tobacco Root Mountains (1)
-
-
Park County Montana (1)
-
-
New Mexico (1)
-
New York
-
Adirondack Mountains (1)
-
-
Oregon (1)
-
South Dakota
-
Lawrence County South Dakota (2)
-
-
U. S. Rocky Mountains
-
Absaroka Range
-
Beartooth Mountains (1)
-
-
Gravelly Range (1)
-
Sangre de Cristo Mountains (1)
-
Tobacco Root Mountains (1)
-
Wind River Range (1)
-
-
Utah
-
Salt Lake County Utah (1)
-
-
Washington (1)
-
Wisconsin
-
Jackson County Wisconsin (1)
-
-
Wyoming
-
Park County Wyoming (1)
-
Wind River Range (1)
-
-
Yavapai Province (1)
-
Yellowstone National Park (1)
-
-
USSR (2)
-
-
commodities
-
aggregate (1)
-
asbestos deposits (2)
-
bitumens (2)
-
brines (6)
-
industrial minerals (1)
-
metal ores
-
aluminum ores (1)
-
antimony ores (1)
-
base metals (10)
-
chromite ores (1)
-
cobalt ores (1)
-
copper ores (24)
-
gold ores (57)
-
IOCG deposits (1)
-
iron ores (139)
-
lead ores (12)
-
lead-zinc deposits (10)
-
manganese ores (14)
-
molybdenum ores (3)
-
nickel ores (9)
-
palladium ores (1)
-
platinum ores (1)
-
polymetallic ores (3)
-
pyrite ores (1)
-
rare earth deposits (2)
-
silver ores (12)
-
tin ores (1)
-
tungsten ores (5)
-
uranium ores (8)
-
zinc ores (18)
-
-
mineral deposits, genesis (178)
-
mineral exploration (28)
-
mineral resources (1)
-
petroleum (1)
-
phosphate deposits (4)
-
placers (2)
-
talc deposits (1)
-
water resources (1)
-
-
elements, isotopes
-
carbon
-
C-13 (2)
-
C-13/C-12 (18)
-
organic carbon (5)
-
-
chemical ratios (6)
-
halogens
-
bromine (1)
-
chlorine (2)
-
-
hydrogen (1)
-
isotope ratios (46)
-
isotopes
-
radioactive isotopes
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
Sm-147/Nd-144 (1)
-
-
stable isotopes
-
Ar-40/Ar-36 (1)
-
C-13 (2)
-
C-13/C-12 (18)
-
Cr-53/Cr-52 (1)
-
Fe-56/Fe-54 (12)
-
Fe-57 (1)
-
Fe-57/Fe-54 (1)
-
Nd-144/Nd-143 (7)
-
O-18/O-16 (27)
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-207/Pb-206 (1)
-
Pb-208/Pb-204 (1)
-
S-33 (2)
-
S-33/S-32 (2)
-
S-34 (1)
-
S-34/S-32 (13)
-
S-36 (1)
-
Si-30/Si-28 (2)
-
Sm-147/Nd-144 (1)
-
Sr-87/Sr-86 (3)
-
-
-
large-ion lithophile elements (1)
-
metals
-
actinides
-
uranium (1)
-
-
alkaline earth metals
-
barium (1)
-
calcium (3)
-
magnesium (4)
-
strontium
-
Sr-87/Sr-86 (3)
-
-
-
antimony (1)
-
arsenic (1)
-
chromium
-
Cr-53/Cr-52 (1)
-
-
copper (1)
-
germanium (1)
-
gold (5)
-
hafnium (1)
-
iron
-
Fe-56/Fe-54 (12)
-
Fe-57 (1)
-
Fe-57/Fe-54 (1)
-
ferric iron (10)
-
ferrous iron (13)
-
-
lead
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-207/Pb-206 (1)
-
Pb-208/Pb-204 (1)
-
-
manganese (7)
-
molybdenum (2)
-
platinum group
-
palladium (5)
-
palladium ores (1)
-
platinum ores (1)
-
-
precious metals (4)
-
rare earths
-
cerium (2)
-
europium (6)
-
lanthanum (1)
-
lutetium (1)
-
neodymium
-
Nd-144/Nd-143 (7)
-
Sm-147/Nd-144 (1)
-
-
samarium
-
Sm-147/Nd-144 (1)
-
-
yttrium (3)
-
-
titanium (2)
-
tungsten (1)
-
zinc (1)
-
-
nitrogen (3)
-
noble gases
-
argon
-
Ar-40/Ar-36 (1)
-
-
-
oxygen
-
O-18/O-16 (27)
-
-
phosphorus (5)
-
silicon
-
Si-30/Si-28 (2)
-
-
sulfur
-
S-33 (2)
-
S-33/S-32 (2)
-
S-34 (1)
-
S-34/S-32 (13)
-
S-36 (1)
-
-
trace metals (3)
-
-
fossils
-
bacteria (12)
-
cyanobacteria (2)
-
eukaryotes (1)
-
microfossils (4)
-
Plantae
-
algae (2)
-
-
thallophytes (2)
-
-
geochronology methods
-
(U-Th)/He (2)
-
Ar/Ar (1)
-
He/He (1)
-
K/Ar (2)
-
paleomagnetism (7)
-
Pb/Pb (11)
-
Pb/Th (1)
-
radiation damage (1)
-
Re/Os (2)
-
Sm/Nd (7)
-
Th/U (1)
-
thermochronology (1)
-
U/Pb (28)
-
-
geologic age
-
Cenozoic
-
Quaternary
-
Holocene (1)
-
-
Tertiary
-
Neogene
-
Pliocene (1)
-
-
Paleogene
-
Eocene (2)
-
Paleocene (1)
-
-
-
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous
-
Albian (2)
-
Aptian (1)
-
-
Middle Cretaceous (1)
-
Upper Cretaceous
-
Cenomanian (1)
-
-
-
Triassic
-
Middle Triassic (1)
-
-
-
Paleozoic
-
Cambrian
-
Lower Cambrian (1)
-
-
Carboniferous
-
Pennsylvanian (1)
-
Upper Carboniferous (1)
-
-
Devonian
-
Upper Devonian (1)
-
-
Leinster Granite (1)
-
lower Paleozoic (1)
-
Ordovician
-
Miramichi Group (1)
-
Tetagouche Group (3)
-
Upper Ordovician
-
Neda Formation (1)
-
Queenston Shale (1)
-
-
-
Permian (2)
-
Silurian (1)
-
-
Phanerozoic (3)
-
Precambrian
-
Animikie Group (6)
-
Anshan Group (1)
-
Archean
-
Aravalli System (1)
-
Bulawayan Group (3)
-
Fig Tree Group (1)
-
Iron Ore Group (3)
-
Mesoarchean (9)
-
Neoarchean
-
Dharwar Supergroup (2)
-
-
Paleoarchean (4)
-
Singhbhum Granite (1)
-
Warrawoona Group (1)
-
Yellowknife Group (1)
-
-
Bijawar System (1)
-
Biwabik Iron Formation (13)
-
Brockman Iron Formation (14)
-
Fortescue Group (2)
-
Gunflint Iron Formation (13)
-
Hadean (2)
-
Hamersley Group (23)
-
middle Precambrian (2)
-
Minas Supergroup (5)
-
Pongola Supergroup (3)
-
Prince Albert Group (1)
-
Sokoman Formation (11)
-
Stillwater Complex (4)
-
Transvaal Supergroup (16)
-
upper Precambrian
-
Proterozoic
-
Damara System (1)
-
Espinhaco Supergroup (1)
-
Great Oxidation Event (7)
-
Huronian (3)
-
Malmani Subgroup (1)
-
Mesoproterozoic (6)
-
Negaunee Iron Formation (5)
-
Neoproterozoic
-
Cryogenian (2)
-
Ediacaran (1)
-
Marinoan (1)
-
Otavi Group (1)
-
Sturtian (1)
-
-
Ortega Group (1)
-
Paleoproterozoic
-
Birimian (1)
-
Hemlock Formation (1)
-
Marquette Range Supergroup (2)
-
Michigamme Formation (1)
-
Siderian (2)
-
Virginia Formation (3)
-
-
Pretoria Group (1)
-
Windermere System (1)
-
-
-
Vadito Group (1)
-
Ventersdorp Supergroup (1)
-
Witwatersrand Supergroup (1)
-
-
Vindhyan (1)
-
-
igneous rocks
-
igneous rocks
-
carbonatites (1)
-
plutonic rocks
-
anorthosite (1)
-
diabase (3)
-
diorites
-
tonalite
-
enderbite (1)
-
-
-
gabbros (3)
-
granites
-
monzogranite (1)
-
-
granodiorites (1)
-
pegmatite (4)
-
syenites
-
bostonite (1)
-
-
ultramafics
-
peridotites (1)
-
-
-
volcanic rocks
-
andesites (1)
-
basalts
-
mid-ocean ridge basalts (3)
-
tholeiite (1)
-
-
komatiite (6)
-
pyroclastics
-
tuff (8)
-
-
rhyolites (5)
-
-
-
ophiolite (1)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (8)
-
eclogite (1)
-
fulgurite (1)
-
garnetite (1)
-
gneisses
-
orthogneiss (1)
-
-
granulites (1)
-
impactites
-
impact breccia (1)
-
-
itabirite (6)
-
marbles (4)
-
metaigneous rocks
-
metabasalt (1)
-
metabasite (1)
-
metagabbro (1)
-
metaperidotite (1)
-
metarhyolite (1)
-
serpentinite (3)
-
-
metasedimentary rocks
-
metachert (1)
-
metagraywacke (1)
-
metapelite (1)
-
metasandstone (1)
-
-
metasomatic rocks
-
serpentinite (3)
-
skarn (4)
-
-
metavolcanic rocks (11)
-
mylonites
-
pseudotachylite (1)
-
-
phyllites (4)
-
quartzites
-
ferruginous quartzite (2)
-
-
schists
-
greenschist (2)
-
greenstone (7)
-
tourmalinite (2)
-
-
slates (1)
-
-
ophiolite (1)
-
turbidite (7)
-
-
meteorites
-
meteorites (1)
-
-
minerals
-
amosite (1)
-
arsenides
-
arsenopyrite (5)
-
lollingite (1)
-
-
borates
-
ludwigite (1)
-
-
carbonates
-
ankerite (3)
-
bastnaesite (1)
-
calcite (2)
-
dolomite (2)
-
siderite (12)
-
-
halides
-
chlorides
-
pyromorphite (1)
-
-
fluorides
-
bastnaesite (1)
-
-
-
iron minerals (3)
-
minerals (21)
-
native elements
-
graphite (3)
-
-
oxides
-
baddeleyite (1)
-
buserite (1)
-
cryptomelane (1)
-
diaspore (1)
-
ferrihydrite (8)
-
gahnite (1)
-
goethite (13)
-
hematite (47)
-
hydroxides
-
iron hydroxides (2)
-
oxyhydroxides (7)
-
-
iron oxides (18)
-
limonite (2)
-
magnesioferrite (1)
-
magnetite (41)
-
manganese oxides (1)
-
martite (7)
-
periclase (1)
-
portlandite (1)
-
specularite (2)
-
spinel group (1)
-
-
phosphates
-
apatite (12)
-
graftonite (1)
-
lazulite (1)
-
monazite (7)
-
pyromorphite (1)
-
vivianite (1)
-
xenotime (4)
-
-
silicates
-
asbestos (1)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
actinolite (1)
-
crocidolite (1)
-
cummingtonite (4)
-
grunerite (4)
-
hastingsite (1)
-
hornblende (5)
-
riebeckite (3)
-
-
orthoamphibole
-
anthophyllite (1)
-
gedrite (1)
-
-
-
pyroxene group
-
clinopyroxene
-
aegirine (2)
-
-
orthopyroxene
-
ferrosilite (1)
-
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
hyalophane (1)
-
K-feldspar (3)
-
perthite (1)
-
-
barium feldspar
-
hyalophane (1)
-
-
plagioclase
-
albite (2)
-
-
-
silica minerals
-
amethyst (1)
-
chalcedony (1)
-
jasper (5)
-
opal (1)
-
quartz (17)
-
-
-
iron silicates (4)
-
orthosilicates
-
nesosilicates
-
andalusite (1)
-
garnet group
-
almandine (1)
-
spessartine (1)
-
-
olivine group
-
fayalite (2)
-
laihunite (1)
-
olivine (3)
-
-
sillimanite (2)
-
staurolite (1)
-
zircon group
-
zircon (20)
-
-
-
-
ring silicates
-
tourmaline group (2)
-
-
sheet silicates
-
chlorite group
-
chamosite (6)
-
chlorite (3)
-
-
clay minerals
-
kaolinite (2)
-
nontronite (3)
-
smectite (1)
-
-
illite (1)
-
mica group
-
biotite (2)
-
muscovite (1)
-
-
serpentine group
-
chrysotile (1)
-
serpentine (3)
-
-
stilpnomelane (10)
-
talc (1)
-
-
-
sulfates
-
barite (2)
-
-
sulfides
-
arsenopyrite (5)
-
bornite (1)
-
chalcopyrite (2)
-
galena (1)
-
marcasite (1)
-
molybdenite (1)
-
pyrite (11)
-
pyrrhotite (4)
-
sphalerite (1)
-
-
tungstates
-
scheelite (1)
-
-
-
Primary terms
-
absolute age (43)
-
Africa
-
Central Africa
-
Congo Democratic Republic (2)
-
West Congo Belt (1)
-
-
Congo Craton (1)
-
Kalahari Desert (1)
-
Limpopo Belt (3)
-
North Africa
-
Egypt
-
Eastern Desert (2)
-
-
Libya (1)
-
-
Reguibat Ridge (1)
-
Southern Africa
-
Barberton greenstone belt (2)
-
Kaapvaal Craton (12)
-
Kalahari Craton (1)
-
Namaqualand (1)
-
Namibia
-
Otavi Namibia (1)
-
-
South Africa
-
Bushveld Complex (1)
-
Cape Province region (3)
-
KwaZulu-Natal South Africa
-
Zululand (1)
-
-
Mpumalanga South Africa (2)
-
Northern Cape Province South Africa (6)
-
Sutherland South Africa (1)
-
Transvaal region (6)
-
Witwatersrand (3)
-
-
Swaziland (1)
-
Zimbabwe (9)
-
-
West Africa
-
Cameroon (2)
-
Ghana (2)
-
Liberia (1)
-
Mauritania (2)
-
Nigeria (1)
-
Nimba Mountains (1)
-
-
West African Shield (1)
-
Zimbabwe Craton (2)
-
-
Arctic region
-
Greenland
-
Isua Belt (3)
-
Nuuk Greenland (1)
-
West Greenland (5)
-
-
-
asbestos deposits (2)
-
Asia
-
Central Asia
-
Kazakhstan
-
Central Kazakhstan (1)
-
Ulu-Tau (1)
-
-
-
Far East
-
China
-
Anshan China (4)
-
Guangxi China (1)
-
Hebei China (2)
-
Hunan China (1)
-
Inner Mongolia China (1)
-
Liaoning China (2)
-
North China Platform (11)
-
Shanxi China (5)
-
Xinjiang China (1)
-
-
Indonesia
-
Celebes (1)
-
-
Japan
-
Kyushu
-
Kagoshima Japan
-
Satsuma Peninsula (1)
-
-
-
-
-
Himalayas (1)
-
Indian Peninsula
-
India
-
Andhra Pradesh India
-
Nellore mica belt (1)
-
Prakasam India (1)
-
-
Bastar Craton (2)
-
Bihar India (3)
-
Bundelkhand (3)
-
Chhattisgarh India (1)
-
Dharwar Craton (5)
-
Jharkhand India
-
Singhbhum India (5)
-
-
Karnataka India (1)
-
Kolar schist belt (1)
-
Orissa India
-
Keonjhar India (1)
-
-
Singhbhum shear zone (2)
-
-
-
Middle East
-
Iran (4)
-
-
Tien Shan (1)
-
-
Atlantic Ocean
-
North Atlantic
-
Hudson Bay (1)
-
Labrador Basin (1)
-
-
-
atmosphere (7)
-
Australasia
-
Australia
-
New South Wales Australia (3)
-
Northern Territory Australia
-
Pine Creek Geosyncline (1)
-
-
Queensland Australia (1)
-
South Australia
-
Gawler Craton (1)
-
-
Tanami Desert (1)
-
Western Australia
-
Earaheedy Basin (1)
-
Hamersley Basin (14)
-
Hamersley Province (7)
-
Hamersley Range (6)
-
Murchison Province (1)
-
Norseman-Wiluna Belt (1)
-
Pilbara Craton (9)
-
Wittenoom Gorge (1)
-
Yilgarn Craton (13)
-
-
-
-
bacteria (12)
-
bibliography (2)
-
bitumens (2)
-
book reviews (1)
-
brines (6)
-
Canada
-
Eastern Canada
-
Maritime Provinces
-
New Brunswick
-
Gloucester County New Brunswick
-
Bathurst mining district (3)
-
-
-
-
Newfoundland and Labrador
-
Labrador (10)
-
Newfoundland (11)
-
-
Ontario
-
Algoma District Ontario
-
Wawa Ontario (2)
-
-
Cochrane District Ontario
-
Timmins Ontario (1)
-
-
Sudbury Structure (4)
-
Temagami Mine (1)
-
Thunder Bay (1)
-
Thunder Bay District Ontario
-
Lake Nipigon (1)
-
Thunder Bay Ontario (1)
-
-
Timiskaming District Ontario
-
Kirkland Lake Ontario (2)
-
-
-
Quebec
-
Saguenay County Quebec
-
Schefferville Quebec (4)
-
-
-
-
Hudson Bay (1)
-
Labrador Trough (14)
-
Mackenzie Mountains (1)
-
Nunavut
-
Lupin Mine (4)
-
-
Richardson Mountains (1)
-
Western Canada
-
Alberta (2)
-
Canadian Cordillera (1)
-
Contwoyto Lake (3)
-
Lupin Mine (4)
-
Manitoba
-
Lac du Bonnet Batholith (1)
-
Pinawa Manitoba
-
Underground Research Laboratory (1)
-
-
Thompson nickel belt (1)
-
-
Northwest Territories (11)
-
Saskatchewan
-
Key Lake Deposits (1)
-
-
Yukon Territory
-
Blow River (2)
-
-
-
-
carbon
-
C-13 (2)
-
C-13/C-12 (18)
-
organic carbon (5)
-
-
Cenozoic
-
Quaternary
-
Holocene (1)
-
-
Tertiary
-
Neogene
-
Pliocene (1)
-
-
Paleogene
-
Eocene (2)
-
Paleocene (1)
-
-
-
-
chemical analysis (2)
-
clay mineralogy (4)
-
continental drift (1)
-
crust (13)
-
crystal chemistry (7)
-
crystal growth (11)
-
crystal structure (10)
-
crystallography (2)
-
deformation (30)
-
diagenesis (61)
-
Earth (3)
-
East Pacific Ocean Islands
-
Hawaii (1)
-
-
economic geology (81)
-
electron microscopy (1)
-
Europe
-
Fennoscandian Shield (3)
-
Karelia Russian Federation (1)
-
Kursk magnetic anomaly (1)
-
Southern Europe
-
Bulgaria
-
Balkan Foreland (1)
-
-
Iberian Peninsula
-
Spain
-
Andalusia Spain
-
Huelva Spain (1)
-
-
Castilla y Leon Spain (1)
-
-
-
-
Ukraine
-
Dnepropetrovsk Ukraine
-
Krivoy Rog Ukraine (1)
-
-
-
Voronezh Russian Federation
-
Voronezh Anteclise (1)
-
-
Western Europe
-
Iceland
-
Snaefellsnes Peninsula (1)
-
-
Ireland
-
Wexford Ireland (1)
-
Wicklow Ireland (1)
-
-
Scandinavia
-
Sweden
-
Bergslagen (2)
-
-
-
-
-
faults (25)
-
folds (30)
-
foliation (9)
-
fractures (2)
-
geochemistry (91)
-
geochronology (5)
-
geomorphology (1)
-
geophysical methods (6)
-
glacial geology (1)
-
ground water (4)
-
hydrogen (1)
-
hydrology (1)
-
igneous rocks
-
carbonatites (1)
-
plutonic rocks
-
anorthosite (1)
-
diabase (3)
-
diorites
-
tonalite
-
enderbite (1)
-
-
-
gabbros (3)
-
granites
-
monzogranite (1)
-
-
granodiorites (1)
-
pegmatite (4)
-
syenites
-
bostonite (1)
-
-
ultramafics
-
peridotites (1)
-
-
-
volcanic rocks
-
andesites (1)
-
basalts
-
mid-ocean ridge basalts (3)
-
tholeiite (1)
-
-
komatiite (6)
-
pyroclastics
-
tuff (8)
-
-
rhyolites (5)
-
-
-
inclusions
-
fluid inclusions (12)
-
-
industrial minerals (1)
-
intrusions (29)
-
isotopes
-
radioactive isotopes
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
Sm-147/Nd-144 (1)
-
-
stable isotopes
-
Ar-40/Ar-36 (1)
-
C-13 (2)
-
C-13/C-12 (18)
-
Cr-53/Cr-52 (1)
-
Fe-56/Fe-54 (12)
-
Fe-57 (1)
-
Fe-57/Fe-54 (1)
-
Nd-144/Nd-143 (7)
-
O-18/O-16 (27)
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-207/Pb-206 (1)
-
Pb-208/Pb-204 (1)
-
S-33 (2)
-
S-33/S-32 (2)
-
S-34 (1)
-
S-34/S-32 (13)
-
S-36 (1)
-
Si-30/Si-28 (2)
-
Sm-147/Nd-144 (1)
-
Sr-87/Sr-86 (3)
-
-
-
lava (3)
-
lineation (3)
-
magmas (5)
-
mantle (9)
-
maps (2)
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous
-
Albian (2)
-
Aptian (1)
-
-
Middle Cretaceous (1)
-
Upper Cretaceous
-
Cenomanian (1)
-
-
-
Triassic
-
Middle Triassic (1)
-
-
-
metal ores
-
aluminum ores (1)
-
antimony ores (1)
-
base metals (10)
-
chromite ores (1)
-
cobalt ores (1)
-
copper ores (24)
-
gold ores (57)
-
IOCG deposits (1)
-
iron ores (139)
-
lead ores (12)
-
lead-zinc deposits (10)
-
manganese ores (14)
-
molybdenum ores (3)
-
nickel ores (9)
-
palladium ores (1)
-
platinum ores (1)
-
polymetallic ores (3)
-
pyrite ores (1)
-
rare earth deposits (2)
-
silver ores (12)
-
tin ores (1)
-
tungsten ores (5)
-
uranium ores (8)
-
zinc ores (18)
-
-
metals
-
actinides
-
uranium (1)
-
-
alkaline earth metals
-
barium (1)
-
calcium (3)
-
magnesium (4)
-
strontium
-
Sr-87/Sr-86 (3)
-
-
-
antimony (1)
-
arsenic (1)
-
chromium
-
Cr-53/Cr-52 (1)
-
-
copper (1)
-
germanium (1)
-
gold (5)
-
hafnium (1)
-
iron
-
Fe-56/Fe-54 (12)
-
Fe-57 (1)
-
Fe-57/Fe-54 (1)
-
ferric iron (10)
-
ferrous iron (13)
-
-
lead
-
Pb-206/Pb-204 (1)
-
Pb-207/Pb-204 (1)
-
Pb-207/Pb-206 (1)
-
Pb-208/Pb-204 (1)
-
-
manganese (7)
-
molybdenum (2)
-
platinum group
-
palladium (5)
-
palladium ores (1)
-
platinum ores (1)
-
-
precious metals (4)
-
rare earths
-
cerium (2)
-
europium (6)
-
lanthanum (1)
-
lutetium (1)
-
neodymium
-
Nd-144/Nd-143 (7)
-
Sm-147/Nd-144 (1)
-
-
samarium
-
Sm-147/Nd-144 (1)
-
-
yttrium (3)
-
-
titanium (2)
-
tungsten (1)
-
zinc (1)
-
-
metamorphic rocks
-
amphibolites (8)
-
eclogite (1)
-
fulgurite (1)
-
garnetite (1)
-
gneisses
-
orthogneiss (1)
-
-
granulites (1)
-
impactites
-
impact breccia (1)
-
-
itabirite (6)
-
marbles (4)
-
metaigneous rocks
-
metabasalt (1)
-
metabasite (1)
-
metagabbro (1)
-
metaperidotite (1)
-
metarhyolite (1)
-
serpentinite (3)
-
-
metasedimentary rocks
-
metachert (1)
-
metagraywacke (1)
-
metapelite (1)
-
metasandstone (1)
-
-
metasomatic rocks
-
serpentinite (3)
-
skarn (4)
-
-
metavolcanic rocks (11)
-
mylonites
-
pseudotachylite (1)
-
-
phyllites (4)
-
quartzites
-
ferruginous quartzite (2)
-
-
schists
-
greenschist (2)
-
greenstone (7)
-
tourmalinite (2)
-
-
slates (1)
-
-
metamorphism (84)
-
metasomatism (53)
-
meteorites (1)
-
micropaleontology (1)
-
mineral deposits, genesis (178)
-
mineral exploration (28)
-
mineral resources (1)
-
mineralogy (10)
-
minerals (21)
-
mining geology (5)
-
nitrogen (3)
-
noble gases
-
argon
-
Ar-40/Ar-36 (1)
-
-
-
North America
-
Appalachians
-
Piedmont (2)
-
Southern Appalachians (2)
-
-
Canadian Shield
-
Churchill Province
-
Hearne Province (1)
-
Rae Province (1)
-
-
Grenville Province (1)
-
Nain Province (1)
-
Slave Province (5)
-
Superior Province
-
Abitibi Belt (5)
-
Michipicoten Belt (1)
-
Quetico Belt (1)
-
Wabigoon Belt (2)
-
Wawa Belt (2)
-
-
-
Great Lakes
-
Lake Superior (4)
-
-
Great Lakes region (8)
-
Grenville Front (1)
-
Lake Superior region (12)
-
North American Cordillera
-
Canadian Cordillera (1)
-
-
Rocky Mountains
-
Northern Rocky Mountains (1)
-
Southern Rocky Mountains (1)
-
U. S. Rocky Mountains
-
Absaroka Range
-
Beartooth Mountains (1)
-
-
Gravelly Range (1)
-
Sangre de Cristo Mountains (1)
-
Tobacco Root Mountains (1)
-
Wind River Range (1)
-
-
-
-
ocean floors (3)
-
Oceania
-
Polynesia
-
Hawaii (1)
-
-
-
orogeny (11)
-
oxygen
-
O-18/O-16 (27)
-
-
Pacific Ocean
-
Central Pacific (1)
-
East Pacific
-
East Pacific Rise (1)
-
Northeast Pacific
-
Loihi Seamount (1)
-
-
Southeast Pacific
-
Lau Basin (1)
-
-
-
North Pacific
-
Northeast Pacific
-
Loihi Seamount (1)
-
-
-
South Pacific
-
Southeast Pacific
-
Lau Basin (1)
-
-
-
-
paleoclimatology (3)
-
paleoecology (5)
-
paleogeography (8)
-
paleomagnetism (7)
-
paleontology (2)
-
Paleozoic
-
Cambrian
-
Lower Cambrian (1)
-
-
Carboniferous
-
Pennsylvanian (1)
-
Upper Carboniferous (1)
-
-
Devonian
-
Upper Devonian (1)
-
-
Leinster Granite (1)
-
lower Paleozoic (1)
-
Ordovician
-
Miramichi Group (1)
-
Tetagouche Group (3)
-
Upper Ordovician
-
Neda Formation (1)
-
Queenston Shale (1)
-
-
-
Permian (2)
-
Silurian (1)
-
-
paragenesis (22)
-
petroleum (1)
-
petrology (33)
-
Phanerozoic (3)
-
phase equilibria (17)
-
phosphate deposits (4)
-
phosphorus (5)
-
placers (2)
-
Plantae
-
algae (2)
-
-
plate tectonics (9)
-
pollution (2)
-
Precambrian
-
Animikie Group (6)
-
Anshan Group (1)
-
Archean
-
Aravalli System (1)
-
Bulawayan Group (3)
-
Fig Tree Group (1)
-
Iron Ore Group (3)
-
Mesoarchean (9)
-
Neoarchean
-
Dharwar Supergroup (2)
-
-
Paleoarchean (4)
-
Singhbhum Granite (1)
-
Warrawoona Group (1)
-
Yellowknife Group (1)
-
-
Bijawar System (1)
-
Biwabik Iron Formation (13)
-
Brockman Iron Formation (14)
-
Fortescue Group (2)
-
Gunflint Iron Formation (13)
-
Hadean (2)
-
Hamersley Group (23)
-
middle Precambrian (2)
-
Minas Supergroup (5)
-
Pongola Supergroup (3)
-
Prince Albert Group (1)
-
Sokoman Formation (11)
-
Stillwater Complex (4)
-
Transvaal Supergroup (16)
-
upper Precambrian
-
Proterozoic
-
Damara System (1)
-
Espinhaco Supergroup (1)
-
Great Oxidation Event (7)
-
Huronian (3)
-
Malmani Subgroup (1)
-
Mesoproterozoic (6)
-
Negaunee Iron Formation (5)
-
Neoproterozoic
-
Cryogenian (2)
-
Ediacaran (1)
-
Marinoan (1)
-
Otavi Group (1)
-
Sturtian (1)
-
-
Ortega Group (1)
-
Paleoproterozoic
-
Birimian (1)
-
Hemlock Formation (1)
-
Marquette Range Supergroup (2)
-
Michigamme Formation (1)
-
Siderian (2)
-
Virginia Formation (3)
-
-
Pretoria Group (1)
-
Windermere System (1)
-
-
-
Vadito Group (1)
-
Ventersdorp Supergroup (1)
-
Witwatersrand Supergroup (1)
-
-
reefs (1)
-
remote sensing (3)
-
sea water (14)
-
sea-level changes (7)
-
sedimentary petrology (21)
-
sedimentary rocks
-
carbonate rocks
-
dolostone (7)
-
limestone
-
micrite (1)
-
-
travertine (1)
-
-
chemically precipitated rocks
-
chert (23)
-
duricrust (3)
-
evaporites (2)
-
iron formations
-
banded iron formations (167)
-
-
ironstone (4)
-
jaspilite (2)
-
phosphate rocks (1)
-
siliceous sinter (1)
-
taconite (3)
-
-
clastic rocks
-
arenite (3)
-
black shale (5)
-
conglomerate
-
quartz-pebble conglomerate (2)
-
-
diamictite (2)
-
graywacke (2)
-
mudstone (3)
-
orthoquartzite (1)
-
red beds (4)
-
sandstone (7)
-
shale (11)
-
siltstone (2)
-
tillite (1)
-
-
coal (2)
-
-
sedimentary structures
-
biogenic structures
-
algal structures
-
algal mats (2)
-
-
microbial mats
-
cyanobacterial mats (1)
-
-
stromatolites (9)
-
-
graded bedding (1)
-
planar bedding structures
-
bedding (2)
-
cross-bedding (1)
-
laminations (4)
-
sand bodies (1)
-
varves (1)
-
-
secondary structures
-
concretions (3)
-
-
soft sediment deformation (2)
-
turbidity current structures (1)
-
-
sedimentation (43)
-
sediments
-
clastic sediments
-
boulders (1)
-
clay (1)
-
gravel (1)
-
mud (1)
-
silt (1)
-
-
marine sediments (1)
-
-
silicon
-
Si-30/Si-28 (2)
-
-
soil mechanics (1)
-
soils
-
laterites (4)
-
-
South America
-
Amazonian Craton (1)
-
Brazil
-
Aracuai Belt (1)
-
Mato Grosso Brazil (1)
-
Mato Grosso do Sul Brazil (2)
-
Minas Gerais Brazil
-
Itabira Brazil (3)
-
Quadrilatero Ferrifero (13)
-
-
Para Brazil
-
Carajas mineral province (4)
-
Serra dos Carajas (1)
-
-
Sao Francisco Craton (9)
-
Serra do Espinhaco (1)
-
-
Chile (1)
-
Colombia (1)
-
Guiana Shield (1)
-
Uruguay (1)
-
Venezuela
-
Bolivar Venezuela
-
Imataca Complex (1)
-
-
-
-
spectroscopy (1)
-
springs (3)
-
stratigraphy (22)
-
structural analysis (11)
-
structural geology (3)
-
sulfur
-
S-33 (2)
-
S-33/S-32 (2)
-
S-34 (1)
-
S-34/S-32 (13)
-
S-36 (1)
-
-
talc deposits (1)
-
tectonics (30)
-
tektites (1)
-
thallophytes (2)
-
thermal waters (3)
-
United States
-
Alabama
-
Jefferson County Alabama (1)
-
-
Alaska (1)
-
California (1)
-
Georgia (2)
-
Hawaii (1)
-
Indiana
-
Vigo County Indiana (1)
-
-
Maryland
-
Carroll County Maryland (1)
-
-
Michigan
-
Michigan Upper Peninsula
-
Baraga County Michigan (1)
-
Dickinson County Michigan (1)
-
Gogebic County Michigan (3)
-
Marquette County Michigan
-
Marquette Michigan (1)
-
Marquette Range (1)
-
-
Menominee County Michigan (1)
-
-
-
Minnesota
-
Cook County Minnesota (1)
-
Duluth Complex (3)
-
Lake County Minnesota (2)
-
Mesabi Range (10)
-
Saint Louis County Minnesota
-
Duluth Minnesota (2)
-
-
Vermilion Range (2)
-
-
Montana
-
Gravelly Range (1)
-
Madison County Montana
-
Tobacco Root Mountains (1)
-
-
Park County Montana (1)
-
-
New Mexico (1)
-
New York
-
Adirondack Mountains (1)
-
-
Oregon (1)
-
South Dakota
-
Lawrence County South Dakota (2)
-
-
U. S. Rocky Mountains
-
Absaroka Range
-
Beartooth Mountains (1)
-
-
Gravelly Range (1)
-
Sangre de Cristo Mountains (1)
-
Tobacco Root Mountains (1)
-
Wind River Range (1)
-
-
Utah
-
Salt Lake County Utah (1)
-
-
Washington (1)
-
Wisconsin
-
Jackson County Wisconsin (1)
-
-
Wyoming
-
Park County Wyoming (1)
-
Wind River Range (1)
-
-
Yavapai Province (1)
-
Yellowstone National Park (1)
-
-
USSR (2)
-
volcanology (1)
-
water resources (1)
-
weathering (18)
-
well-logging (1)
-
-
rock formations
-
Red Mountain Formation (1)
-
Wutai Group (1)
-
-
sedimentary rocks
-
sedimentary rocks
-
carbonate rocks
-
dolostone (7)
-
limestone
-
micrite (1)
-
-
travertine (1)
-
-
chemically precipitated rocks
-
chert (23)
-
duricrust (3)
-
evaporites (2)
-
iron formations
-
banded iron formations (167)
-
-
ironstone (4)
-
jaspilite (2)
-
phosphate rocks (1)
-
siliceous sinter (1)
-
taconite (3)
-
-
clastic rocks
-
arenite (3)
-
black shale (5)
-
conglomerate
-
quartz-pebble conglomerate (2)
-
-
diamictite (2)
-
graywacke (2)
-
mudstone (3)
-
orthoquartzite (1)
-
red beds (4)
-
sandstone (7)
-
shale (11)
-
siltstone (2)
-
tillite (1)
-
-
coal (2)
-
-
siliciclastics (5)
-
turbidite (7)
-
volcaniclastics (12)
-
-
sedimentary structures
-
boudinage (3)
-
sedimentary structures
-
biogenic structures
-
algal structures
-
algal mats (2)
-
-
microbial mats
-
cyanobacterial mats (1)
-
-
stromatolites (9)
-
-
graded bedding (1)
-
planar bedding structures
-
bedding (2)
-
cross-bedding (1)
-
laminations (4)
-
sand bodies (1)
-
varves (1)
-
-
secondary structures
-
concretions (3)
-
-
soft sediment deformation (2)
-
turbidity current structures (1)
-
-
stratification (1)
-
-
sediments
-
sediments
-
clastic sediments
-
boulders (1)
-
clay (1)
-
gravel (1)
-
mud (1)
-
silt (1)
-
-
marine sediments (1)
-
-
siliciclastics (5)
-
turbidite (7)
-
volcaniclastics (12)
-
-
soils
-
paleosols (1)
-
residual soils (1)
-
soils
-
laterites (4)
-
-
GeoRef Categories
Era and Period