Skip Nav Destination
magma contamination
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
-
Madagascar
-
Mahajanga Basin (1)
-
-
Nubian Shield (1)
-
Southern Africa
-
Botswana (2)
-
Kaapvaal Craton (1)
-
Karoo Basin (2)
-
Lesotho (1)
-
Namaqualand (1)
-
Namibia (1)
-
South Africa
-
Bushveld Complex (2)
-
Cape Province region (1)
-
Free State South Africa (1)
-
-
Swaziland (1)
-
Zimbabwe
-
Belingwe greenstone belt (1)
-
-
-
-
Altiplano (1)
-
Antarctica
-
Antarctic Peninsula (1)
-
East Antarctica (1)
-
Ellsworth Land (1)
-
Queen Maud Land (1)
-
Transantarctic Mountains (1)
-
-
Arctic Ocean
-
Amerasia Basin (1)
-
-
Arctic region
-
Greenland
-
East Greenland (1)
-
Skaergaard Intrusion (2)
-
South Greenland (1)
-
-
Russian Arctic
-
New Siberian Islands (1)
-
-
-
Arran (1)
-
Asia
-
Altai Mountains (1)
-
Altai-Sayan region (1)
-
Arabian Peninsula
-
Arabian Shield (3)
-
Saudi Arabia
-
Hail Saudi Arabia (1)
-
-
-
Central Asia
-
Kazakhstan
-
Kokchetav Kazakhstan
-
Kokchetav Massif (1)
-
-
-
-
Chukotka Russian Federation (1)
-
Euphrates River (1)
-
Far East
-
Burma (1)
-
China
-
Dabie Mountains (1)
-
Fujian China (1)
-
Gansu China (1)
-
Inner Mongolia China (2)
-
Nanling (1)
-
North China Platform (5)
-
Qilian Mountains (1)
-
Qinghai China (1)
-
Shandong China (2)
-
South China Block (1)
-
Sulu Terrane (1)
-
Taihang Mountains (1)
-
Tarim Platform (1)
-
Xinjiang China
-
Junggar Basin (1)
-
Taklimakan Desert (1)
-
-
Xizang China (6)
-
Yangtze Platform (1)
-
Yunnan China (1)
-
-
Indonesia
-
Sunda Arc (1)
-
-
Japan
-
Hokkaido
-
Hidaka metamorphic belt (1)
-
-
-
Vietnam (1)
-
-
Himalayas
-
Zanskar Range (1)
-
-
Indian Peninsula
-
India
-
Andhra Pradesh India
-
Cuddapah Basin (1)
-
-
Kerala India (1)
-
-
Jammu and Kashmir
-
Ladakh (1)
-
-
-
Indus-Yarlung Zangbo suture zone (1)
-
Irkutsk Russian Federation (1)
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Avacha (1)
-
Tolbachik (1)
-
-
-
Karakoram (1)
-
Krasnoyarsk Russian Federation
-
Taymyr Dolgan-Nenets Russian Federation
-
Norilsk region (5)
-
-
-
Middle East
-
Cyprus (1)
-
Dead Sea Rift (1)
-
Iran
-
Sanandaj-Sirjan Zone (2)
-
-
Israel
-
Timna (1)
-
-
Lebanon (1)
-
Syria (2)
-
Turkey
-
Anatolia (2)
-
Sea of Marmara region (1)
-
-
Zagros (1)
-
-
Qiangtang Terrane (5)
-
Siberian Platform (2)
-
Southeast Asia (1)
-
Tibetan Plateau (3)
-
Tien Shan (1)
-
Yakutia Russian Federation
-
New Siberian Islands (1)
-
-
-
Atlantic Ocean
-
North Atlantic
-
Caribbean Sea (1)
-
Hudson Bay (1)
-
Northwest Atlantic (1)
-
-
-
Atlantic Ocean Islands
-
Canary Islands
-
Lanzarote (1)
-
-
-
Atlantic region (1)
-
Australasia
-
Australia
-
Giles Complex (1)
-
Lachlan fold belt (1)
-
Musgrave Block (1)
-
Northern Territory Australia (1)
-
Victoria Australia (1)
-
Western Australia (1)
-
-
New Zealand
-
Tongariro (1)
-
-
-
Avalon Zone (1)
-
Caledonides (1)
-
Canada
-
Arctic Archipelago (1)
-
Eastern Canada
-
Belcher Islands (1)
-
Gander Zone (1)
-
Maritime Provinces
-
New Brunswick (1)
-
Nova Scotia
-
Cape Breton Island (1)
-
-
-
Meguma Terrane (1)
-
Newfoundland and Labrador
-
Labrador
-
Kiglapait (1)
-
Nain Massif (5)
-
Voisey's Bay Deposit (7)
-
-
Newfoundland (7)
-
-
Ontario
-
Coldwell Complex (1)
-
Sudbury District Ontario (1)
-
Thunder Bay District Ontario (1)
-
-
Quebec
-
Labelle County Quebec (1)
-
Monteregian Hills (2)
-
-
-
Hudson Bay (1)
-
Muskox Intrusion (1)
-
Nunavut
-
Belcher Islands (1)
-
Ellesmere Island (1)
-
Kaminak Lake (1)
-
Sverdrup Islands
-
Axel Heiberg Island (1)
-
-
-
Queen Elizabeth Islands
-
Ellesmere Island (1)
-
Sverdrup Islands
-
Axel Heiberg Island (1)
-
-
-
Stikinia Terrane (1)
-
Ungava (1)
-
Western Canada
-
British Columbia
-
Vancouver Island (1)
-
-
Canadian Cordillera (1)
-
Coppermine River (1)
-
Manitoba (1)
-
Northwest Territories (3)
-
Saskatchewan (2)
-
-
-
Caribbean region
-
West Indies
-
Antilles
-
Lesser Antilles
-
Martinique (1)
-
-
-
-
-
Cascade Range (1)
-
Cascadia subduction zone (1)
-
Central America
-
Guatemala
-
Pacaya (1)
-
-
Honduras (1)
-
Nicaragua (1)
-
-
Commonwealth of Independent States
-
Kazakhstan
-
Kokchetav Kazakhstan
-
Kokchetav Massif (1)
-
-
-
Russian Federation
-
Chukotka Russian Federation (1)
-
Irkutsk Russian Federation (1)
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Avacha (1)
-
Tolbachik (1)
-
-
-
Krasnoyarsk Russian Federation
-
Taymyr Dolgan-Nenets Russian Federation
-
Norilsk region (5)
-
-
-
Russian Arctic
-
New Siberian Islands (1)
-
-
Siberian Platform (2)
-
Yakutia Russian Federation
-
New Siberian Islands (1)
-
-
-
-
Cordillera de la Costa (1)
-
Espanola Basin (2)
-
Europe
-
Alps
-
Eastern Alps
-
Carnic Alps (1)
-
Dinaric Alps (1)
-
Dolomites (1)
-
Julian Alps (1)
-
-
-
Carpathians
-
Eastern Carpathians (1)
-
-
Central Europe
-
Bohemian Massif (1)
-
Germany
-
Baden-Wurttemberg Germany
-
Katzenbuckel (1)
-
-
Hesse Germany
-
Wetterau (1)
-
-
Rhineland-Palatinate Germany
-
Laacher See (1)
-
-
-
Upper Rhine Graben (1)
-
-
Pannonian Basin (1)
-
Southern Europe
-
Bulgaria
-
Bulgarian Rhodope Mountains (1)
-
-
Dinaric Alps (1)
-
Iberian Peninsula
-
Central Iberian Zone (1)
-
Iberian Massif (2)
-
Spain
-
Castilla y Leon Spain
-
Salamanca Spain (1)
-
-
Iberian Mountains (1)
-
-
-
Italy
-
Apennines (1)
-
Apulia Italy (1)
-
Campania Italy
-
Naples Italy
-
Ischia (1)
-
-
Phlegraean Fields (1)
-
Roccamonfina (1)
-
-
Sardinia Italy
-
Sulcis (1)
-
-
Sicily Italy
-
Hyblean Plateau (1)
-
Lipari Islands
-
Stromboli (1)
-
-
Mount Etna (1)
-
-
Tuscany Italy (1)
-
-
Rhodope Mountains
-
Bulgarian Rhodope Mountains (1)
-
-
Romania
-
Transylvania
-
Harghita Mountains (1)
-
Persani Mountains (1)
-
-
-
Serbia (1)
-
-
Variscides (1)
-
Western Europe
-
France
-
Armorican Massif (1)
-
Brittany (1)
-
Central Massif (1)
-
Finistere France (1)
-
Languedoc (1)
-
-
Ireland (2)
-
Scandinavia
-
Finland (2)
-
Sweden (1)
-
-
United Kingdom
-
Great Britain
-
Scotland
-
Argyllshire Scotland
-
Mull Island (1)
-
-
Hebrides
-
Inner Hebrides
-
Isle of Skye (1)
-
Mull Island (1)
-
Rhum (1)
-
-
-
Highland region Scotland
-
Ardnamurchan (1)
-
Inverness-shire Scotland
-
Isle of Skye (1)
-
Rhum (1)
-
-
Sutherland Scotland (1)
-
-
-
-
Northern Ireland
-
Antrim Northern Ireland (1)
-
-
-
-
-
Highland Boundary Fault (1)
-
Indian Ocean
-
Mid-Indian Ridge
-
Central Indian Ridge (1)
-
-
Red Sea
-
Red Sea Rift (1)
-
-
-
Indian Ocean Islands
-
Madagascar
-
Mahajanga Basin (1)
-
-
-
Kerguelen Plateau (1)
-
Marble Mountains (1)
-
Medicine Lake (1)
-
Mediterranean region (1)
-
Mediterranean Sea
-
West Mediterranean
-
Tyrrhenian Basin (1)
-
Tyrrhenian Sea (1)
-
-
-
Mexico
-
Baja California Mexico (1)
-
Tamaulipas Mexico (1)
-
Trans-Mexican volcanic belt (2)
-
-
North America
-
Appalachians
-
Blue Ridge Mountains (1)
-
Northern Appalachians (3)
-
-
Basin and Range Province
-
Great Basin (3)
-
-
Canadian Shield
-
Churchill Province
-
Hearne Province (1)
-
-
Grenville Province
-
Central Metasedimentary Belt (2)
-
-
Superior Province
-
Abitibi Belt (1)
-
English River Belt (1)
-
Uchi Subprovince (1)
-
-
-
Keweenawan Rift (4)
-
Lake of the Woods (1)
-
Lake Superior region (1)
-
North American Cordillera
-
Canadian Cordillera (1)
-
-
Peninsular Ranges Batholith (2)
-
Rio Grande Depression (1)
-
Rio Grande Rift (2)
-
Rocky Mountains
-
U. S. Rocky Mountains
-
San Juan Mountains (1)
-
-
-
Saint Lawrence Lowlands (1)
-
-
North Island (1)
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific
-
Gulf of California (1)
-
-
Peru-Chile Trench (1)
-
-
North Pacific
-
Northeast Pacific
-
Gulf of California (1)
-
-
-
West Pacific
-
Banda Arc (1)
-
-
-
Pacific region (1)
-
Peninsular Ranges (1)
-
Russian Platform (1)
-
Sierra Nevada (5)
-
South America
-
Andes
-
Central Andes (1)
-
-
Argentina
-
Chubut Argentina (1)
-
-
Bolivia
-
Oruro Bolivia (1)
-
-
Chile (2)
-
Patagonia (2)
-
Precordillera (1)
-
-
South Mountain Batholith (4)
-
United States
-
Alaska
-
Kodiak Island (1)
-
-
Arizona
-
Apache County Arizona (1)
-
Mohave County Arizona (1)
-
-
Blue Ridge Mountains (1)
-
California
-
Central California (1)
-
El Dorado County California (1)
-
Inyo County California (1)
-
Kern County California (1)
-
Lassen Volcanic National Park (1)
-
Los Angeles County California (1)
-
Mono County California (1)
-
Northern California (1)
-
San Bernardino County California (1)
-
San Gabriel Mountains (1)
-
Sierra Nevada Batholith (2)
-
Siskiyou County California
-
Medicine Lake Highland (1)
-
Mount Shasta (1)
-
-
Southern California (3)
-
-
Colorado
-
Rio Grande County Colorado (1)
-
Teller County Colorado
-
Cripple Creek Colorado (1)
-
-
-
Colorado Plateau (3)
-
Great Basin (3)
-
Idaho
-
Fremont County Idaho (1)
-
-
Idaho Batholith (1)
-
Maine
-
Hancock County Maine (1)
-
-
Minnesota
-
Chisago County Minnesota (1)
-
Duluth Complex (3)
-
Lake County Minnesota (1)
-
Saint Louis County Minnesota
-
Partridge River Intrusion (1)
-
-
-
Mojave Desert (1)
-
Nevada (3)
-
New Mexico (3)
-
Oregon
-
Harney County Oregon
-
Steens Mountain (2)
-
-
Malheur County Oregon (1)
-
-
U. S. Rocky Mountains
-
San Juan Mountains (1)
-
-
Utah
-
Beaver County Utah (1)
-
Garfield County Utah (1)
-
Iron County Utah (1)
-
Millard County Utah (1)
-
Piute County Utah (1)
-
Sevier County Utah (1)
-
Washington County Utah (1)
-
Wayne County Utah (1)
-
-
Virginia (1)
-
Western U.S. (1)
-
Wisconsin
-
Polk County Wisconsin (1)
-
-
Wyoming
-
Park County Wyoming (1)
-
Teton County Wyoming (1)
-
-
Yellowstone National Park (1)
-
-
Vulture Mountain (1)
-
White Mountains (1)
-
-
commodities
-
brines (1)
-
metal ores
-
cobalt ores (4)
-
copper ores (27)
-
gold ores (4)
-
nickel ores (25)
-
palladium ores (1)
-
platinum ores (14)
-
tellurium ores (1)
-
tin ores (1)
-
zinc ores (1)
-
-
mineral deposits, genesis (20)
-
mineral exploration (5)
-
-
elements, isotopes
-
boron
-
B-11/B-10 (1)
-
-
carbon
-
C-13/C-12 (1)
-
C-14/C-12 (1)
-
-
chemical ratios (11)
-
halogens
-
chlorine (2)
-
fluorine (3)
-
-
hydrogen
-
D/H (1)
-
-
incompatible elements (4)
-
isotope ratios (105)
-
isotopes
-
radioactive isotopes
-
Ar-40/Ar-39 (1)
-
C-14/C-12 (1)
-
Pb-206/Pb-204 (24)
-
Pb-207/Pb-204 (17)
-
Pb-208/Pb-204 (17)
-
Rb-87/Sr-86 (7)
-
Re-187/Os-188 (1)
-
Sm-147/Nd-144 (6)
-
Zn-65 (1)
-
-
stable isotopes
-
Ar-40 (1)
-
Ar-40/Ar-39 (1)
-
B-11/B-10 (1)
-
C-13/C-12 (1)
-
C-14/C-12 (1)
-
D/H (1)
-
Fe-56/Fe-54 (1)
-
Fe-57/Fe-54 (1)
-
Hf-177/Hf-176 (16)
-
Nd-144/Nd-143 (56)
-
O-16 (1)
-
O-17 (1)
-
O-18 (1)
-
O-18/O-16 (19)
-
Os-188/Os-187 (4)
-
Pb-206/Pb-204 (24)
-
Pb-207/Pb-204 (17)
-
Pb-208/Pb-204 (17)
-
Rb-87/Sr-86 (7)
-
Re-187/Os-188 (1)
-
S-33/S-32 (2)
-
S-34/S-32 (12)
-
S-36 (1)
-
Sm-147/Nd-144 (6)
-
Sr-87/Sr-86 (62)
-
-
-
large-ion lithophile elements (2)
-
Lu/Hf (4)
-
metals
-
actinides
-
thorium (1)
-
-
alkali metals
-
cesium (2)
-
lithium (3)
-
potassium (3)
-
rubidium
-
Rb-87/Sr-86 (7)
-
-
sodium (1)
-
-
alkaline earth metals
-
barium (2)
-
calcium (1)
-
magnesium (2)
-
strontium
-
Rb-87/Sr-86 (7)
-
Sr-87/Sr-86 (62)
-
-
-
aluminum (1)
-
antimony (1)
-
arsenic (1)
-
bismuth (1)
-
chromium (1)
-
gold (1)
-
hafnium
-
Hf-177/Hf-176 (16)
-
-
iron
-
Fe-56/Fe-54 (1)
-
Fe-57/Fe-54 (1)
-
ferric iron (1)
-
ferrous iron (1)
-
-
lead
-
Pb-206/Pb-204 (24)
-
Pb-207/Pb-204 (17)
-
Pb-208/Pb-204 (17)
-
-
nickel (1)
-
niobium (5)
-
platinum group
-
osmium
-
Os-188/Os-187 (4)
-
Re-187/Os-188 (1)
-
-
palladium (1)
-
palladium ores (1)
-
platinum (1)
-
platinum ores (14)
-
-
precious metals (1)
-
rare earths
-
lutetium (1)
-
neodymium
-
Nd-144/Nd-143 (56)
-
Sm-147/Nd-144 (6)
-
-
samarium
-
Sm-147/Nd-144 (6)
-
-
scandium (1)
-
yttrium (2)
-
-
rhenium
-
Re-187/Os-188 (1)
-
-
silver (1)
-
tantalum (3)
-
thallium (1)
-
titanium (4)
-
zinc
-
Zn-65 (1)
-
-
zirconium (1)
-
-
noble gases
-
argon
-
Ar-40 (1)
-
Ar-40/Ar-39 (1)
-
-
-
oxygen
-
O-16 (1)
-
O-17 (1)
-
O-18 (1)
-
O-18/O-16 (19)
-
-
phosphorus (2)
-
selenium (2)
-
sulfur
-
S-33/S-32 (2)
-
S-34/S-32 (12)
-
S-36 (1)
-
-
tellurium (3)
-
-
fossils
-
Invertebrata
-
Protista
-
Radiolaria (1)
-
-
-
microfossils (1)
-
-
geochronology methods
-
Ar/Ar (11)
-
K/Ar (8)
-
Lu/Hf (4)
-
Nd/Nd (3)
-
paleomagnetism (3)
-
Rb/Sr (4)
-
Re/Os (3)
-
Sm/Nd (3)
-
Sr/Sr (1)
-
tephrochronology (1)
-
Th/U (1)
-
U/Pb (45)
-
U/Th/Pb (1)
-
uranium disequilibrium (1)
-
-
geologic age
-
Cenozoic
-
Quaternary
-
Holocene
-
upper Holocene (1)
-
-
Pleistocene
-
upper Pleistocene
-
Weichselian
-
upper Weichselian
-
Allerod (1)
-
-
-
-
-
-
Tertiary
-
Neogene
-
Miocene
-
Columbia River Basalt Group (4)
-
Grande Ronde Basalt (2)
-
lower Miocene (1)
-
Picture Gorge Basalt (1)
-
-
Pliocene (7)
-
-
Paleogene
-
Eocene (5)
-
Ghost Rocks Formation (1)
-
Oligocene (5)
-
Paleocene (3)
-
-
-
upper Cenozoic (3)
-
-
Dalradian (1)
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous (9)
-
Upper Cretaceous
-
Kodiak Formation (1)
-
Maestrichtian (1)
-
Senonian (1)
-
-
-
Jurassic
-
Lower Jurassic (2)
-
Middle Jurassic (1)
-
Rajmahal Series (1)
-
Upper Jurassic
-
Josephine Ophiolite (1)
-
-
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (2)
-
-
Middle Triassic
-
Ladinian (1)
-
-
Upper Triassic
-
Carnian (1)
-
Norian (1)
-
-
-
-
Moldanubian (1)
-
Paleozoic
-
Cambrian
-
Lower Cambrian (1)
-
-
Carboniferous
-
Lower Carboniferous (1)
-
Pennsylvanian (1)
-
Upper Carboniferous (1)
-
-
Devonian
-
Lower Devonian (1)
-
Upper Devonian (3)
-
-
lower Paleozoic (2)
-
Ordovician
-
Meguma Group (5)
-
Upper Ordovician (1)
-
-
Permian
-
Lower Permian (1)
-
Upper Permian
-
Permian-Triassic boundary (2)
-
-
-
Silurian
-
Upper Silurian (2)
-
-
upper Paleozoic (1)
-
-
Phanerozoic (1)
-
Precambrian
-
Animikie Group (1)
-
Archean
-
J-M Reef (1)
-
Mesoarchean (2)
-
Neoarchean (5)
-
Rice Lake Group (1)
-
-
Catoctin Formation (1)
-
Laramie anorthosite complex (1)
-
Lewisian Complex (1)
-
Osler Series (1)
-
Pongola Supergroup (1)
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic
-
Helena Formation (1)
-
Stenian (1)
-
-
Neoproterozoic (8)
-
Paleoproterozoic
-
Aphebian
-
Hurwitz Group (1)
-
-
Svecofennian (1)
-
Thomson Formation (1)
-
Virginia Formation (1)
-
-
-
-
-
Saxothuringian (1)
-
-
igneous rocks
-
igneous rocks
-
feldspathoid rocks (1)
-
granophyre (2)
-
hypabyssal rocks (3)
-
kimberlite (2)
-
picrite (3)
-
plutonic rocks
-
anorthosite (5)
-
appinite (1)
-
diabase (12)
-
diorites
-
quartz diorites (1)
-
tonalite (3)
-
trondhjemite (1)
-
-
gabbros
-
microgabbro (1)
-
norite (3)
-
olivine gabbro (2)
-
troctolite (5)
-
-
granites
-
A-type granites (5)
-
biotite granite (1)
-
I-type granites (4)
-
leucogranite (1)
-
monzogranite (4)
-
rapakivi (3)
-
S-type granites (4)
-
-
granodiorites (8)
-
lamprophyres
-
minette (2)
-
-
monzodiorite (4)
-
monzonites (5)
-
pegmatite (3)
-
quartz monzonite (2)
-
syenites
-
nepheline syenite (2)
-
quartz syenite (3)
-
-
ultramafics
-
chromitite (1)
-
peridotites
-
dunite (3)
-
garnet lherzolite (1)
-
garnet peridotite (1)
-
spinel peridotite (1)
-
-
pyroxenite
-
garnet pyroxenite (1)
-
-
-
-
porphyry
-
vitrophyre (1)
-
-
volcanic rocks
-
adakites (1)
-
andesites (12)
-
basalts
-
alkali basalts
-
hawaiite (1)
-
mugearite (1)
-
trachybasalts (1)
-
-
flood basalts (13)
-
mid-ocean ridge basalts (11)
-
ocean-island basalts (8)
-
olivine basalt (1)
-
shoshonite (3)
-
tholeiite (4)
-
tholeiitic basalt (3)
-
-
basanite (5)
-
benmoreite (1)
-
dacites (5)
-
glasses
-
volcanic glass (1)
-
-
komatiite (3)
-
nephelinite (2)
-
phonolites (3)
-
pyroclastics
-
ash-flow tuff (2)
-
ignimbrite (3)
-
rhyolite tuff (1)
-
tuff (1)
-
welded tuff (1)
-
-
rhyodacites (1)
-
rhyolites
-
quartz porphyry (1)
-
-
tephrite (1)
-
trachyandesites (3)
-
trachytes (3)
-
vitrophyre (1)
-
-
-
ophiolite (7)
-
wehrlite (1)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (6)
-
cataclasites (1)
-
eclogite (6)
-
gneisses
-
orthogneiss (5)
-
paragneiss (6)
-
-
granulites (3)
-
hornfels (1)
-
marbles (2)
-
metaigneous rocks
-
meta-anorthosite (1)
-
metabasalt (3)
-
metabasite (1)
-
metadiabase (1)
-
metagabbro (2)
-
metagranite (1)
-
-
metaplutonic rocks (1)
-
metasedimentary rocks
-
paragneiss (6)
-
-
metasomatic rocks
-
greisen (2)
-
skarn (2)
-
-
metavolcanic rocks (5)
-
-
ophiolite (7)
-
-
minerals
-
arsenides
-
sperrylite (1)
-
-
bismuthides
-
froodite (1)
-
-
carbonates (1)
-
native elements
-
carbonado (1)
-
diamond
-
microdiamond (1)
-
-
-
oxides
-
baddeleyite (1)
-
chrome spinel (1)
-
ilmenite (3)
-
rutile (2)
-
-
phosphates
-
apatite (1)
-
fluorapatite (1)
-
monazite (1)
-
-
silicates
-
chain silicates
-
amphibole group
-
clinoamphibole
-
hornblende (3)
-
-
-
pyroxene group
-
clinopyroxene
-
spodumene (1)
-
-
orthopyroxene (2)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
sanidine (1)
-
-
plagioclase
-
anorthite (1)
-
-
-
leucite (1)
-
nepheline group
-
nepheline (1)
-
-
silica minerals
-
quartz (1)
-
-
-
orthosilicates
-
nesosilicates
-
garnet group (2)
-
olivine group
-
olivine (7)
-
-
titanite group
-
titanite (1)
-
-
zircon group
-
zircon (35)
-
-
-
-
ring silicates
-
cordierite (1)
-
tourmaline group
-
elbaite (1)
-
-
-
sheet silicates
-
mica group
-
biotite (2)
-
phlogopite (1)
-
-
-
-
sulfates
-
anhydrite (2)
-
-
sulfides
-
chalcopyrite (2)
-
pentlandite (1)
-
pyrrhotite (2)
-
talnakhite (1)
-
-
wehrlite (1)
-
-
Primary terms
-
absolute age (59)
-
Africa
-
Madagascar
-
Mahajanga Basin (1)
-
-
Nubian Shield (1)
-
Southern Africa
-
Botswana (2)
-
Kaapvaal Craton (1)
-
Karoo Basin (2)
-
Lesotho (1)
-
Namaqualand (1)
-
Namibia (1)
-
South Africa
-
Bushveld Complex (2)
-
Cape Province region (1)
-
Free State South Africa (1)
-
-
Swaziland (1)
-
Zimbabwe
-
Belingwe greenstone belt (1)
-
-
-
-
Antarctica
-
Antarctic Peninsula (1)
-
East Antarctica (1)
-
Ellsworth Land (1)
-
Queen Maud Land (1)
-
Transantarctic Mountains (1)
-
-
Arctic Ocean
-
Amerasia Basin (1)
-
-
Arctic region
-
Greenland
-
East Greenland (1)
-
Skaergaard Intrusion (2)
-
South Greenland (1)
-
-
Russian Arctic
-
New Siberian Islands (1)
-
-
-
Asia
-
Altai Mountains (1)
-
Altai-Sayan region (1)
-
Arabian Peninsula
-
Arabian Shield (3)
-
Saudi Arabia
-
Hail Saudi Arabia (1)
-
-
-
Central Asia
-
Kazakhstan
-
Kokchetav Kazakhstan
-
Kokchetav Massif (1)
-
-
-
-
Chukotka Russian Federation (1)
-
Euphrates River (1)
-
Far East
-
Burma (1)
-
China
-
Dabie Mountains (1)
-
Fujian China (1)
-
Gansu China (1)
-
Inner Mongolia China (2)
-
Nanling (1)
-
North China Platform (5)
-
Qilian Mountains (1)
-
Qinghai China (1)
-
Shandong China (2)
-
South China Block (1)
-
Sulu Terrane (1)
-
Taihang Mountains (1)
-
Tarim Platform (1)
-
Xinjiang China
-
Junggar Basin (1)
-
Taklimakan Desert (1)
-
-
Xizang China (6)
-
Yangtze Platform (1)
-
Yunnan China (1)
-
-
Indonesia
-
Sunda Arc (1)
-
-
Japan
-
Hokkaido
-
Hidaka metamorphic belt (1)
-
-
-
Vietnam (1)
-
-
Himalayas
-
Zanskar Range (1)
-
-
Indian Peninsula
-
India
-
Andhra Pradesh India
-
Cuddapah Basin (1)
-
-
Kerala India (1)
-
-
Jammu and Kashmir
-
Ladakh (1)
-
-
-
Indus-Yarlung Zangbo suture zone (1)
-
Irkutsk Russian Federation (1)
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Avacha (1)
-
Tolbachik (1)
-
-
-
Karakoram (1)
-
Krasnoyarsk Russian Federation
-
Taymyr Dolgan-Nenets Russian Federation
-
Norilsk region (5)
-
-
-
Middle East
-
Cyprus (1)
-
Dead Sea Rift (1)
-
Iran
-
Sanandaj-Sirjan Zone (2)
-
-
Israel
-
Timna (1)
-
-
Lebanon (1)
-
Syria (2)
-
Turkey
-
Anatolia (2)
-
Sea of Marmara region (1)
-
-
Zagros (1)
-
-
Qiangtang Terrane (5)
-
Siberian Platform (2)
-
Southeast Asia (1)
-
Tibetan Plateau (3)
-
Tien Shan (1)
-
Yakutia Russian Federation
-
New Siberian Islands (1)
-
-
-
Atlantic Ocean
-
North Atlantic
-
Caribbean Sea (1)
-
Hudson Bay (1)
-
Northwest Atlantic (1)
-
-
-
Atlantic Ocean Islands
-
Canary Islands
-
Lanzarote (1)
-
-
-
Atlantic region (1)
-
Australasia
-
Australia
-
Giles Complex (1)
-
Lachlan fold belt (1)
-
Musgrave Block (1)
-
Northern Territory Australia (1)
-
Victoria Australia (1)
-
Western Australia (1)
-
-
New Zealand
-
Tongariro (1)
-
-
-
boron
-
B-11/B-10 (1)
-
-
brines (1)
-
Canada
-
Arctic Archipelago (1)
-
Eastern Canada
-
Belcher Islands (1)
-
Gander Zone (1)
-
Maritime Provinces
-
New Brunswick (1)
-
Nova Scotia
-
Cape Breton Island (1)
-
-
-
Meguma Terrane (1)
-
Newfoundland and Labrador
-
Labrador
-
Kiglapait (1)
-
Nain Massif (5)
-
Voisey's Bay Deposit (7)
-
-
Newfoundland (7)
-
-
Ontario
-
Coldwell Complex (1)
-
Sudbury District Ontario (1)
-
Thunder Bay District Ontario (1)
-
-
Quebec
-
Labelle County Quebec (1)
-
Monteregian Hills (2)
-
-
-
Hudson Bay (1)
-
Muskox Intrusion (1)
-
Nunavut
-
Belcher Islands (1)
-
Ellesmere Island (1)
-
Kaminak Lake (1)
-
Sverdrup Islands
-
Axel Heiberg Island (1)
-
-
-
Queen Elizabeth Islands
-
Ellesmere Island (1)
-
Sverdrup Islands
-
Axel Heiberg Island (1)
-
-
-
Stikinia Terrane (1)
-
Ungava (1)
-
Western Canada
-
British Columbia
-
Vancouver Island (1)
-
-
Canadian Cordillera (1)
-
Coppermine River (1)
-
Manitoba (1)
-
Northwest Territories (3)
-
Saskatchewan (2)
-
-
-
carbon
-
C-13/C-12 (1)
-
C-14/C-12 (1)
-
-
Caribbean region
-
West Indies
-
Antilles
-
Lesser Antilles
-
Martinique (1)
-
-
-
-
-
Cenozoic
-
Quaternary
-
Holocene
-
upper Holocene (1)
-
-
Pleistocene
-
upper Pleistocene
-
Weichselian
-
upper Weichselian
-
Allerod (1)
-
-
-
-
-
-
Tertiary
-
Neogene
-
Miocene
-
Columbia River Basalt Group (4)
-
Grande Ronde Basalt (2)
-
lower Miocene (1)
-
Picture Gorge Basalt (1)
-
-
Pliocene (7)
-
-
Paleogene
-
Eocene (5)
-
Ghost Rocks Formation (1)
-
Oligocene (5)
-
Paleocene (3)
-
-
-
upper Cenozoic (3)
-
-
Central America
-
Guatemala
-
Pacaya (1)
-
-
Honduras (1)
-
Nicaragua (1)
-
-
continental drift (2)
-
continental shelf (1)
-
crust (73)
-
crystal chemistry (3)
-
crystal growth (1)
-
data processing (2)
-
deformation (4)
-
Earth (1)
-
earthquakes (1)
-
Europe
-
Alps
-
Eastern Alps
-
Carnic Alps (1)
-
Dinaric Alps (1)
-
Dolomites (1)
-
Julian Alps (1)
-
-
-
Carpathians
-
Eastern Carpathians (1)
-
-
Central Europe
-
Bohemian Massif (1)
-
Germany
-
Baden-Wurttemberg Germany
-
Katzenbuckel (1)
-
-
Hesse Germany
-
Wetterau (1)
-
-
Rhineland-Palatinate Germany
-
Laacher See (1)
-
-
-
Upper Rhine Graben (1)
-
-
Pannonian Basin (1)
-
Southern Europe
-
Bulgaria
-
Bulgarian Rhodope Mountains (1)
-
-
Dinaric Alps (1)
-
Iberian Peninsula
-
Central Iberian Zone (1)
-
Iberian Massif (2)
-
Spain
-
Castilla y Leon Spain
-
Salamanca Spain (1)
-
-
Iberian Mountains (1)
-
-
-
Italy
-
Apennines (1)
-
Apulia Italy (1)
-
Campania Italy
-
Naples Italy
-
Ischia (1)
-
-
Phlegraean Fields (1)
-
Roccamonfina (1)
-
-
Sardinia Italy
-
Sulcis (1)
-
-
Sicily Italy
-
Hyblean Plateau (1)
-
Lipari Islands
-
Stromboli (1)
-
-
Mount Etna (1)
-
-
Tuscany Italy (1)
-
-
Rhodope Mountains
-
Bulgarian Rhodope Mountains (1)
-
-
Romania
-
Transylvania
-
Harghita Mountains (1)
-
Persani Mountains (1)
-
-
-
Serbia (1)
-
-
Variscides (1)
-
Western Europe
-
France
-
Armorican Massif (1)
-
Brittany (1)
-
Central Massif (1)
-
Finistere France (1)
-
Languedoc (1)
-
-
Ireland (2)
-
Scandinavia
-
Finland (2)
-
Sweden (1)
-
-
United Kingdom
-
Great Britain
-
Scotland
-
Argyllshire Scotland
-
Mull Island (1)
-
-
Hebrides
-
Inner Hebrides
-
Isle of Skye (1)
-
Mull Island (1)
-
Rhum (1)
-
-
-
Highland region Scotland
-
Ardnamurchan (1)
-
Inverness-shire Scotland
-
Isle of Skye (1)
-
Rhum (1)
-
-
Sutherland Scotland (1)
-
-
-
-
Northern Ireland
-
Antrim Northern Ireland (1)
-
-
-
-
-
faults (10)
-
foliation (1)
-
fractures (1)
-
geochemistry (103)
-
geochronology (5)
-
geophysical methods (4)
-
heat flow (2)
-
hydrogen
-
D/H (1)
-
-
igneous rocks
-
feldspathoid rocks (1)
-
granophyre (2)
-
hypabyssal rocks (3)
-
kimberlite (2)
-
picrite (3)
-
plutonic rocks
-
anorthosite (5)
-
appinite (1)
-
diabase (12)
-
diorites
-
quartz diorites (1)
-
tonalite (3)
-
trondhjemite (1)
-
-
gabbros
-
microgabbro (1)
-
norite (3)
-
olivine gabbro (2)
-
troctolite (5)
-
-
granites
-
A-type granites (5)
-
biotite granite (1)
-
I-type granites (4)
-
leucogranite (1)
-
monzogranite (4)
-
rapakivi (3)
-
S-type granites (4)
-
-
granodiorites (8)
-
lamprophyres
-
minette (2)
-
-
monzodiorite (4)
-
monzonites (5)
-
pegmatite (3)
-
quartz monzonite (2)
-
syenites
-
nepheline syenite (2)
-
quartz syenite (3)
-
-
ultramafics
-
chromitite (1)
-
peridotites
-
dunite (3)
-
garnet lherzolite (1)
-
garnet peridotite (1)
-
spinel peridotite (1)
-
-
pyroxenite
-
garnet pyroxenite (1)
-
-
-
-
porphyry
-
vitrophyre (1)
-
-
volcanic rocks
-
adakites (1)
-
andesites (12)
-
basalts
-
alkali basalts
-
hawaiite (1)
-
mugearite (1)
-
trachybasalts (1)
-
-
flood basalts (13)
-
mid-ocean ridge basalts (11)
-
ocean-island basalts (8)
-
olivine basalt (1)
-
shoshonite (3)
-
tholeiite (4)
-
tholeiitic basalt (3)
-
-
basanite (5)
-
benmoreite (1)
-
dacites (5)
-
glasses
-
volcanic glass (1)
-
-
komatiite (3)
-
nephelinite (2)
-
phonolites (3)
-
pyroclastics
-
ash-flow tuff (2)
-
ignimbrite (3)
-
rhyolite tuff (1)
-
tuff (1)
-
welded tuff (1)
-
-
rhyodacites (1)
-
rhyolites
-
quartz porphyry (1)
-
-
tephrite (1)
-
trachyandesites (3)
-
trachytes (3)
-
vitrophyre (1)
-
-
-
inclusions
-
fluid inclusions (2)
-
-
Indian Ocean
-
Mid-Indian Ridge
-
Central Indian Ridge (1)
-
-
Red Sea
-
Red Sea Rift (1)
-
-
-
Indian Ocean Islands
-
Madagascar
-
Mahajanga Basin (1)
-
-
-
intrusions (82)
-
Invertebrata
-
Protista
-
Radiolaria (1)
-
-
-
isotopes
-
radioactive isotopes
-
Ar-40/Ar-39 (1)
-
C-14/C-12 (1)
-
Pb-206/Pb-204 (24)
-
Pb-207/Pb-204 (17)
-
Pb-208/Pb-204 (17)
-
Rb-87/Sr-86 (7)
-
Re-187/Os-188 (1)
-
Sm-147/Nd-144 (6)
-
Zn-65 (1)
-
-
stable isotopes
-
Ar-40 (1)
-
Ar-40/Ar-39 (1)
-
B-11/B-10 (1)
-
C-13/C-12 (1)
-
C-14/C-12 (1)
-
D/H (1)
-
Fe-56/Fe-54 (1)
-
Fe-57/Fe-54 (1)
-
Hf-177/Hf-176 (16)
-
Nd-144/Nd-143 (56)
-
O-16 (1)
-
O-17 (1)
-
O-18 (1)
-
O-18/O-16 (19)
-
Os-188/Os-187 (4)
-
Pb-206/Pb-204 (24)
-
Pb-207/Pb-204 (17)
-
Pb-208/Pb-204 (17)
-
Rb-87/Sr-86 (7)
-
Re-187/Os-188 (1)
-
S-33/S-32 (2)
-
S-34/S-32 (12)
-
S-36 (1)
-
Sm-147/Nd-144 (6)
-
Sr-87/Sr-86 (62)
-
-
-
lava (23)
-
magmas (158)
-
mantle (76)
-
Mediterranean region (1)
-
Mediterranean Sea
-
West Mediterranean
-
Tyrrhenian Basin (1)
-
Tyrrhenian Sea (1)
-
-
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous (9)
-
Upper Cretaceous
-
Kodiak Formation (1)
-
Maestrichtian (1)
-
Senonian (1)
-
-
-
Jurassic
-
Lower Jurassic (2)
-
Middle Jurassic (1)
-
Rajmahal Series (1)
-
Upper Jurassic
-
Josephine Ophiolite (1)
-
-
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (2)
-
-
Middle Triassic
-
Ladinian (1)
-
-
Upper Triassic
-
Carnian (1)
-
Norian (1)
-
-
-
-
metal ores
-
cobalt ores (4)
-
copper ores (27)
-
gold ores (4)
-
nickel ores (25)
-
palladium ores (1)
-
platinum ores (14)
-
tellurium ores (1)
-
tin ores (1)
-
zinc ores (1)
-
-
metals
-
actinides
-
thorium (1)
-
-
alkali metals
-
cesium (2)
-
lithium (3)
-
potassium (3)
-
rubidium
-
Rb-87/Sr-86 (7)
-
-
sodium (1)
-
-
alkaline earth metals
-
barium (2)
-
calcium (1)
-
magnesium (2)
-
strontium
-
Rb-87/Sr-86 (7)
-
Sr-87/Sr-86 (62)
-
-
-
aluminum (1)
-
antimony (1)
-
arsenic (1)
-
bismuth (1)
-
chromium (1)
-
gold (1)
-
hafnium
-
Hf-177/Hf-176 (16)
-
-
iron
-
Fe-56/Fe-54 (1)
-
Fe-57/Fe-54 (1)
-
ferric iron (1)
-
ferrous iron (1)
-
-
lead
-
Pb-206/Pb-204 (24)
-
Pb-207/Pb-204 (17)
-
Pb-208/Pb-204 (17)
-
-
nickel (1)
-
niobium (5)
-
platinum group
-
osmium
-
Os-188/Os-187 (4)
-
Re-187/Os-188 (1)
-
-
palladium (1)
-
palladium ores (1)
-
platinum (1)
-
platinum ores (14)
-
-
precious metals (1)
-
rare earths
-
lutetium (1)
-
neodymium
-
Nd-144/Nd-143 (56)
-
Sm-147/Nd-144 (6)
-
-
samarium
-
Sm-147/Nd-144 (6)
-
-
scandium (1)
-
yttrium (2)
-
-
rhenium
-
Re-187/Os-188 (1)
-
-
silver (1)
-
tantalum (3)
-
thallium (1)
-
titanium (4)
-
zinc
-
Zn-65 (1)
-
-
zirconium (1)
-
-
metamorphic rocks
-
amphibolites (6)
-
cataclasites (1)
-
eclogite (6)
-
gneisses
-
orthogneiss (5)
-
paragneiss (6)
-
-
granulites (3)
-
hornfels (1)
-
marbles (2)
-
metaigneous rocks
-
meta-anorthosite (1)
-
metabasalt (3)
-
metabasite (1)
-
metadiabase (1)
-
metagabbro (2)
-
metagranite (1)
-
-
metaplutonic rocks (1)
-
metasedimentary rocks
-
paragneiss (6)
-
-
metasomatic rocks
-
greisen (2)
-
skarn (2)
-
-
metavolcanic rocks (5)
-
-
metamorphism (12)
-
metasomatism (22)
-
Mexico
-
Baja California Mexico (1)
-
Tamaulipas Mexico (1)
-
Trans-Mexican volcanic belt (2)
-
-
mineral deposits, genesis (20)
-
mineral exploration (5)
-
noble gases
-
argon
-
Ar-40 (1)
-
Ar-40/Ar-39 (1)
-
-
-
North America
-
Appalachians
-
Blue Ridge Mountains (1)
-
Northern Appalachians (3)
-
-
Basin and Range Province
-
Great Basin (3)
-
-
Canadian Shield
-
Churchill Province
-
Hearne Province (1)
-
-
Grenville Province
-
Central Metasedimentary Belt (2)
-
-
Superior Province
-
Abitibi Belt (1)
-
English River Belt (1)
-
Uchi Subprovince (1)
-
-
-
Keweenawan Rift (4)
-
Lake of the Woods (1)
-
Lake Superior region (1)
-
North American Cordillera
-
Canadian Cordillera (1)
-
-
Peninsular Ranges Batholith (2)
-
Rio Grande Depression (1)
-
Rio Grande Rift (2)
-
Rocky Mountains
-
U. S. Rocky Mountains
-
San Juan Mountains (1)
-
-
-
Saint Lawrence Lowlands (1)
-
-
Ocean Drilling Program
-
Leg 183
-
ODP Site 1137 (1)
-
-
-
ocean floors (2)
-
orogeny (5)
-
oxygen
-
O-16 (1)
-
O-17 (1)
-
O-18 (1)
-
O-18/O-16 (19)
-
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific
-
Gulf of California (1)
-
-
Peru-Chile Trench (1)
-
-
North Pacific
-
Northeast Pacific
-
Gulf of California (1)
-
-
-
West Pacific
-
Banda Arc (1)
-
-
-
Pacific region (1)
-
paleoecology (1)
-
paleogeography (7)
-
paleomagnetism (3)
-
Paleozoic
-
Cambrian
-
Lower Cambrian (1)
-
-
Carboniferous
-
Lower Carboniferous (1)
-
Pennsylvanian (1)
-
Upper Carboniferous (1)
-
-
Devonian
-
Lower Devonian (1)
-
Upper Devonian (3)
-
-
lower Paleozoic (2)
-
Ordovician
-
Meguma Group (5)
-
Upper Ordovician (1)
-
-
Permian
-
Lower Permian (1)
-
Upper Permian
-
Permian-Triassic boundary (2)
-
-
-
Silurian
-
Upper Silurian (2)
-
-
upper Paleozoic (1)
-
-
paragenesis (2)
-
petrology (19)
-
Phanerozoic (1)
-
phase equilibria (6)
-
phosphorus (2)
-
plate tectonics (45)
-
Precambrian
-
Animikie Group (1)
-
Archean
-
J-M Reef (1)
-
Mesoarchean (2)
-
Neoarchean (5)
-
Rice Lake Group (1)
-
-
Catoctin Formation (1)
-
Laramie anorthosite complex (1)
-
Lewisian Complex (1)
-
Osler Series (1)
-
Pongola Supergroup (1)
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic
-
Helena Formation (1)
-
Stenian (1)
-
-
Neoproterozoic (8)
-
Paleoproterozoic
-
Aphebian
-
Hurwitz Group (1)
-
-
Svecofennian (1)
-
Thomson Formation (1)
-
Virginia Formation (1)
-
-
-
-
-
sea-floor spreading (3)
-
sedimentary rocks
-
carbonate rocks (1)
-
chemically precipitated rocks
-
chert (1)
-
evaporites (1)
-
-
clastic rocks
-
sandstone (2)
-
-
coal (1)
-
-
sedimentary structures
-
planar bedding structures
-
cross-stratification (1)
-
-
-
sedimentation (1)
-
sediments
-
marine sediments (1)
-
-
selenium (2)
-
South America
-
Andes
-
Central Andes (1)
-
-
Argentina
-
Chubut Argentina (1)
-
-
Bolivia
-
Oruro Bolivia (1)
-
-
Chile (2)
-
Patagonia (2)
-
Precordillera (1)
-
-
stratigraphy (2)
-
structural analysis (1)
-
structural geology (1)
-
sulfur
-
S-33/S-32 (2)
-
S-34/S-32 (12)
-
S-36 (1)
-
-
tectonics (37)
-
tellurium (3)
-
United States
-
Alaska
-
Kodiak Island (1)
-
-
Arizona
-
Apache County Arizona (1)
-
Mohave County Arizona (1)
-
-
Blue Ridge Mountains (1)
-
California
-
Central California (1)
-
El Dorado County California (1)
-
Inyo County California (1)
-
Kern County California (1)
-
Lassen Volcanic National Park (1)
-
Los Angeles County California (1)
-
Mono County California (1)
-
Northern California (1)
-
San Bernardino County California (1)
-
San Gabriel Mountains (1)
-
Sierra Nevada Batholith (2)
-
Siskiyou County California
-
Medicine Lake Highland (1)
-
Mount Shasta (1)
-
-
Southern California (3)
-
-
Colorado
-
Rio Grande County Colorado (1)
-
Teller County Colorado
-
Cripple Creek Colorado (1)
-
-
-
Colorado Plateau (3)
-
Great Basin (3)
-
Idaho
-
Fremont County Idaho (1)
-
-
Idaho Batholith (1)
-
Maine
-
Hancock County Maine (1)
-
-
Minnesota
-
Chisago County Minnesota (1)
-
Duluth Complex (3)
-
Lake County Minnesota (1)
-
Saint Louis County Minnesota
-
Partridge River Intrusion (1)
-
-
-
Mojave Desert (1)
-
Nevada (3)
-
New Mexico (3)
-
Oregon
-
Harney County Oregon
-
Steens Mountain (2)
-
-
Malheur County Oregon (1)
-
-
U. S. Rocky Mountains
-
San Juan Mountains (1)
-
-
Utah
-
Beaver County Utah (1)
-
Garfield County Utah (1)
-
Iron County Utah (1)
-
Millard County Utah (1)
-
Piute County Utah (1)
-
Sevier County Utah (1)
-
Washington County Utah (1)
-
Wayne County Utah (1)
-
-
Virginia (1)
-
Western U.S. (1)
-
Wisconsin
-
Polk County Wisconsin (1)
-
-
Wyoming
-
Park County Wyoming (1)
-
Teton County Wyoming (1)
-
-
Yellowstone National Park (1)
-
-
volcanology (2)
-
-
rock formations
-
Deccan Traps (1)
-
Emeishan Basalts (2)
-
Karoo Supergroup (1)
-
Siberian Traps (3)
-
Troodos Ophiolite (1)
-
-
sedimentary rocks
-
sedimentary rocks
-
carbonate rocks (1)
-
chemically precipitated rocks
-
chert (1)
-
evaporites (1)
-
-
clastic rocks
-
sandstone (2)
-
-
coal (1)
-
-
volcaniclastics (1)
-
-
sedimentary structures
-
sedimentary structures
-
-