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NARROW
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Southern Africa
-
Kaapvaal Craton (2)
-
Namibia
-
Damara Belt (1)
-
-
South Africa
-
Free State South Africa
-
Vredefort Dome (1)
-
-
-
-
-
Antarctica
-
Antarctic Peninsula
-
Graham Land (1)
-
-
-
Arctic region
-
Greenland
-
South Greenland (1)
-
-
-
Asia
-
Far East
-
China
-
Dabie Mountains (1)
-
North China Platform (2)
-
Qaidam Basin (1)
-
Qinghai China (1)
-
Qinling Mountains (1)
-
Sulu Terrane (1)
-
Xizang China (1)
-
Yunnan China (1)
-
-
Japan
-
Hokkaido
-
Hidaka metamorphic belt (2)
-
-
-
Korea
-
South Korea (1)
-
-
-
Himalayas
-
High Himalayan Crystallines (1)
-
-
Indian Peninsula
-
Bhutan (1)
-
India
-
Bastar Craton (1)
-
Ghats
-
Eastern Ghats (1)
-
-
Kerala India (1)
-
Sikkim India (1)
-
Southern Granulite Terrain (1)
-
-
Jammu and Kashmir
-
Ladakh (1)
-
-
Nepal (3)
-
-
Karakoram (2)
-
-
Australasia
-
Australia
-
New South Wales Australia
-
Cooma Australia (1)
-
-
South Australia
-
Gawler Craton (2)
-
-
-
-
Black Hills (1)
-
Caledonides (4)
-
Canada
-
Eastern Canada
-
Ontario
-
Muskoka District Ontario (1)
-
-
Quebec
-
Manicouagan Lake (1)
-
-
-
Western Canada
-
British Columbia (3)
-
Canadian Cordillera (3)
-
Yukon Territory (2)
-
-
-
Cascade Range (1)
-
Commonwealth of Independent States
-
Russian Federation
-
Karelia Russian Federation (1)
-
Murmansk Russian Federation
-
Kola Peninsula (1)
-
-
-
-
Europe
-
Alps (2)
-
Karelia Russian Federation (1)
-
Murmansk Russian Federation
-
Kola Peninsula (1)
-
-
Pyrenees (1)
-
Southern Europe
-
Iberian Peninsula
-
Spain
-
Galicia Spain
-
Ordenes Complex (1)
-
-
-
-
Italy
-
Ivrea-Verbano Zone (1)
-
Piemonte Italy (1)
-
Sardinia Italy (1)
-
-
-
Variscides (1)
-
Western Europe
-
France
-
Central Massif (1)
-
Morbihan France (1)
-
-
Ireland (1)
-
Scandinavia
-
Norway
-
Finnmark Norway (1)
-
Soroy (1)
-
Troms Norway (1)
-
-
Western Gneiss region (2)
-
-
United Kingdom
-
Great Britain
-
Scotland (4)
-
-
-
-
-
Mexico (1)
-
North America
-
Appalachians
-
Northern Appalachians (1)
-
-
Canadian Shield
-
Grenville Province
-
Central Gneiss Belt (1)
-
-
-
Coast plutonic complex (1)
-
North American Cordillera
-
Canadian Cordillera (3)
-
-
Okanogan Range (1)
-
Rocky Mountains
-
U. S. Rocky Mountains
-
Wet Mountains (1)
-
-
-
Yukon-Tanana Terrane (1)
-
-
South America
-
Andes (1)
-
Argentina
-
Pampean Mountains (2)
-
-
Peru (1)
-
-
United States
-
Alaska
-
Chugach Mountains (1)
-
-
California
-
Kern County California (1)
-
Sierra Nevada Batholith (1)
-
-
Cheyenne Belt (1)
-
Colorado
-
Wet Mountains (1)
-
-
Connecticut (1)
-
Idaho
-
Boise County Idaho (1)
-
Valley County Idaho (1)
-
-
Maine (1)
-
New York
-
Adirondack Mountains (2)
-
Hamilton County New York (1)
-
Warren County New York (1)
-
-
South Dakota
-
Custer County South Dakota (1)
-
Pennington County South Dakota (1)
-
-
Texas
-
Llano Uplift (1)
-
-
U. S. Rocky Mountains
-
Wet Mountains (1)
-
-
Washington
-
Okanogan County Washington (1)
-
Whatcom County Washington (1)
-
-
Wyoming
-
Carbon County Wyoming (1)
-
Sierra Madre Range (1)
-
-
-
-
commodities
-
metal ores
-
copper ores (1)
-
gold ores (2)
-
polymetallic ores (1)
-
silver ores (1)
-
-
mineral deposits, genesis (1)
-
-
elements, isotopes
-
chemical ratios (1)
-
isotope ratios (11)
-
isotopes
-
radioactive isotopes
-
Ar-40/Ar-39 (1)
-
Sm-147/Nd-144 (1)
-
-
stable isotopes
-
Ar-40 (1)
-
Ar-40/Ar-39 (1)
-
Hf-177/Hf-176 (3)
-
Nd-144/Nd-143 (6)
-
Sm-147/Nd-144 (1)
-
Sr-87/Sr-86 (7)
-
-
-
metals
-
alkali metals
-
sodium (1)
-
-
alkaline earth metals
-
strontium
-
Sr-87/Sr-86 (7)
-
-
-
aluminum (1)
-
hafnium
-
Hf-177/Hf-176 (3)
-
-
precious metals (1)
-
rare earths
-
dysprosium (1)
-
erbium (1)
-
europium (1)
-
gadolinium (1)
-
lutetium (1)
-
neodymium
-
Nd-144/Nd-143 (6)
-
Sm-147/Nd-144 (1)
-
-
samarium
-
Sm-147/Nd-144 (1)
-
-
ytterbium (1)
-
yttrium (1)
-
-
-
noble gases
-
argon
-
Ar-40 (1)
-
Ar-40/Ar-39 (1)
-
-
-
-
geochronology methods
-
Ar/Ar (5)
-
Pb/Pb (1)
-
Rb/Sr (2)
-
Re/Os (1)
-
Sm/Nd (3)
-
thermochronology (1)
-
U/Pb (33)
-
U/Th/Pb (2)
-
-
geologic age
-
Cenozoic
-
lower Cenozoic (1)
-
Tertiary
-
Neogene
-
Miocene (1)
-
-
Paleogene
-
Eocene (3)
-
Oligocene
-
lower Oligocene (1)
-
-
Paleocene (2)
-
-
-
-
Dalradian (4)
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous (2)
-
Upper Cretaceous (1)
-
-
Jurassic
-
Lower Jurassic (1)
-
Upper Jurassic (1)
-
-
Triassic
-
Upper Triassic (3)
-
-
-
Paleozoic
-
Acatlan Complex (1)
-
Cambrian (4)
-
Carboniferous
-
Mississippian (1)
-
Pennsylvanian (1)
-
-
Devonian
-
Lower Devonian (1)
-
-
lower Paleozoic (1)
-
Ordovician
-
Lower Ordovician (1)
-
-
Permian (2)
-
Silurian
-
Lower Silurian (1)
-
Middle Silurian (1)
-
Upper Silurian (1)
-
-
-
Precambrian
-
Archean
-
Mesoarchean (2)
-
Neoarchean (1)
-
-
Lewisian Complex (1)
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic (7)
-
Neoproterozoic (2)
-
Paleoproterozoic
-
Svecofennian (1)
-
-
-
-
Ventersdorp Supergroup (1)
-
-
-
igneous rocks
-
extrusive rocks (1)
-
igneous rocks
-
plutonic rocks
-
anorthosite (1)
-
diorites
-
tonalite (1)
-
-
granites
-
aplite (2)
-
granite porphyry (1)
-
I-type granites (3)
-
leucogranite (4)
-
S-type granites (1)
-
-
granodiorites (3)
-
pegmatite (5)
-
syenites (1)
-
-
volcanic rocks
-
adakites (1)
-
basalts
-
mid-ocean ridge basalts (1)
-
-
-
-
ophiolite (1)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (3)
-
eclogite (4)
-
gneisses
-
granite gneiss (3)
-
orthogneiss (3)
-
paragneiss (4)
-
-
granulites
-
leptite (1)
-
-
metaigneous rocks
-
metabasite (2)
-
metagabbro (4)
-
metaperidotite (1)
-
-
metaplutonic rocks (1)
-
metasedimentary rocks
-
khondalite (1)
-
metapelite (6)
-
paragneiss (4)
-
-
migmatites (71)
-
mylonites (1)
-
schists (3)
-
slates (1)
-
-
ophiolite (1)
-
-
minerals
-
oxides
-
corundum (2)
-
ilmenite (1)
-
rutile (1)
-
sapphire (1)
-
spinel (1)
-
-
phosphates
-
fluorapatite (1)
-
monazite (10)
-
-
silicates
-
chain silicates
-
aenigmatite group
-
sapphirine (1)
-
-
amphibole group
-
clinoamphibole
-
hornblende (3)
-
-
-
pyroxene group
-
clinopyroxene (2)
-
orthopyroxene (2)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
K-feldspar (5)
-
perthite (2)
-
-
plagioclase (6)
-
-
silica minerals
-
quartz (3)
-
-
-
orthosilicates
-
nesosilicates
-
garnet group (4)
-
kyanite (2)
-
sillimanite (5)
-
titanite group
-
titanite (5)
-
-
zircon group
-
zircon (31)
-
-
-
-
ring silicates
-
cordierite (3)
-
tourmaline group (1)
-
-
sheet silicates
-
mica group
-
biotite (6)
-
muscovite (5)
-
phengite (1)
-
-
-
-
sulfides
-
chalcopyrite (1)
-
molybdenite (1)
-
-
-
Primary terms
-
absolute age (34)
-
Africa
-
Southern Africa
-
Kaapvaal Craton (2)
-
Namibia
-
Damara Belt (1)
-
-
South Africa
-
Free State South Africa
-
Vredefort Dome (1)
-
-
-
-
-
Antarctica
-
Antarctic Peninsula
-
Graham Land (1)
-
-
-
Arctic region
-
Greenland
-
South Greenland (1)
-
-
-
Asia
-
Far East
-
China
-
Dabie Mountains (1)
-
North China Platform (2)
-
Qaidam Basin (1)
-
Qinghai China (1)
-
Qinling Mountains (1)
-
Sulu Terrane (1)
-
Xizang China (1)
-
Yunnan China (1)
-
-
Japan
-
Hokkaido
-
Hidaka metamorphic belt (2)
-
-
-
Korea
-
South Korea (1)
-
-
-
Himalayas
-
High Himalayan Crystallines (1)
-
-
Indian Peninsula
-
Bhutan (1)
-
India
-
Bastar Craton (1)
-
Ghats
-
Eastern Ghats (1)
-
-
Kerala India (1)
-
Sikkim India (1)
-
Southern Granulite Terrain (1)
-
-
Jammu and Kashmir
-
Ladakh (1)
-
-
Nepal (3)
-
-
Karakoram (2)
-
-
Australasia
-
Australia
-
New South Wales Australia
-
Cooma Australia (1)
-
-
South Australia
-
Gawler Craton (2)
-
-
-
-
Canada
-
Eastern Canada
-
Ontario
-
Muskoka District Ontario (1)
-
-
Quebec
-
Manicouagan Lake (1)
-
-
-
Western Canada
-
British Columbia (3)
-
Canadian Cordillera (3)
-
Yukon Territory (2)
-
-
-
Cenozoic
-
lower Cenozoic (1)
-
Tertiary
-
Neogene
-
Miocene (1)
-
-
Paleogene
-
Eocene (3)
-
Oligocene
-
lower Oligocene (1)
-
-
Paleocene (2)
-
-
-
-
crust (21)
-
crystal chemistry (1)
-
crystal growth (2)
-
crystal structure (1)
-
deformation (20)
-
Europe
-
Alps (2)
-
Karelia Russian Federation (1)
-
Murmansk Russian Federation
-
Kola Peninsula (1)
-
-
Pyrenees (1)
-
Southern Europe
-
Iberian Peninsula
-
Spain
-
Galicia Spain
-
Ordenes Complex (1)
-
-
-
-
Italy
-
Ivrea-Verbano Zone (1)
-
Piemonte Italy (1)
-
Sardinia Italy (1)
-
-
-
Variscides (1)
-
Western Europe
-
France
-
Central Massif (1)
-
Morbihan France (1)
-
-
Ireland (1)
-
Scandinavia
-
Norway
-
Finnmark Norway (1)
-
Soroy (1)
-
Troms Norway (1)
-
-
Western Gneiss region (2)
-
-
United Kingdom
-
Great Britain
-
Scotland (4)
-
-
-
-
-
faults (10)
-
folds (8)
-
foliation (9)
-
fractures (2)
-
geochemistry (13)
-
heat flow (2)
-
igneous rocks
-
plutonic rocks
-
anorthosite (1)
-
diorites
-
tonalite (1)
-
-
granites
-
aplite (2)
-
granite porphyry (1)
-
I-type granites (3)
-
leucogranite (4)
-
S-type granites (1)
-
-
granodiorites (3)
-
pegmatite (5)
-
syenites (1)
-
-
volcanic rocks
-
adakites (1)
-
basalts
-
mid-ocean ridge basalts (1)
-
-
-
-
inclusions (5)
-
intrusions (21)
-
isotopes
-
radioactive isotopes
-
Ar-40/Ar-39 (1)
-
Sm-147/Nd-144 (1)
-
-
stable isotopes
-
Ar-40 (1)
-
Ar-40/Ar-39 (1)
-
Hf-177/Hf-176 (3)
-
Nd-144/Nd-143 (6)
-
Sm-147/Nd-144 (1)
-
Sr-87/Sr-86 (7)
-
-
-
lineation (1)
-
magmas (21)
-
mantle (1)
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous (2)
-
Upper Cretaceous (1)
-
-
Jurassic
-
Lower Jurassic (1)
-
Upper Jurassic (1)
-
-
Triassic
-
Upper Triassic (3)
-
-
-
metal ores
-
copper ores (1)
-
gold ores (2)
-
polymetallic ores (1)
-
silver ores (1)
-
-
metals
-
alkali metals
-
sodium (1)
-
-
alkaline earth metals
-
strontium
-
Sr-87/Sr-86 (7)
-
-
-
aluminum (1)
-
hafnium
-
Hf-177/Hf-176 (3)
-
-
precious metals (1)
-
rare earths
-
dysprosium (1)
-
erbium (1)
-
europium (1)
-
gadolinium (1)
-
lutetium (1)
-
neodymium
-
Nd-144/Nd-143 (6)
-
Sm-147/Nd-144 (1)
-
-
samarium
-
Sm-147/Nd-144 (1)
-
-
ytterbium (1)
-
yttrium (1)
-
-
-
metamorphic rocks
-
amphibolites (3)
-
eclogite (4)
-
gneisses
-
granite gneiss (3)
-
orthogneiss (3)
-
paragneiss (4)
-
-
granulites
-
leptite (1)
-
-
metaigneous rocks
-
metabasite (2)
-
metagabbro (4)
-
metaperidotite (1)
-
-
metaplutonic rocks (1)
-
metasedimentary rocks
-
khondalite (1)
-
metapelite (6)
-
paragneiss (4)
-
-
migmatites (71)
-
mylonites (1)
-
schists (3)
-
slates (1)
-
-
metamorphism (47)
-
metasomatism (3)
-
Mexico (1)
-
mineral deposits, genesis (1)
-
noble gases
-
argon
-
Ar-40 (1)
-
Ar-40/Ar-39 (1)
-
-
-
North America
-
Appalachians
-
Northern Appalachians (1)
-
-
Canadian Shield
-
Grenville Province
-
Central Gneiss Belt (1)
-
-
-
Coast plutonic complex (1)
-
North American Cordillera
-
Canadian Cordillera (3)
-
-
Okanogan Range (1)
-
Rocky Mountains
-
U. S. Rocky Mountains
-
Wet Mountains (1)
-
-
-
Yukon-Tanana Terrane (1)
-
-
orogeny (12)
-
paleogeography (3)
-
Paleozoic
-
Acatlan Complex (1)
-
Cambrian (4)
-
Carboniferous
-
Mississippian (1)
-
Pennsylvanian (1)
-
-
Devonian
-
Lower Devonian (1)
-
-
lower Paleozoic (1)
-
Ordovician
-
Lower Ordovician (1)
-
-
Permian (2)
-
Silurian
-
Lower Silurian (1)
-
Middle Silurian (1)
-
Upper Silurian (1)
-
-
-
paragenesis (6)
-
petrology (2)
-
phase equilibria (12)
-
plate tectonics (6)
-
Precambrian
-
Archean
-
Mesoarchean (2)
-
Neoarchean (1)
-
-
Lewisian Complex (1)
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic (7)
-
Neoproterozoic (2)
-
Paleoproterozoic
-
Svecofennian (1)
-
-
-
-
Ventersdorp Supergroup (1)
-
-
sedimentary rocks
-
clastic rocks
-
graywacke (1)
-
shale (1)
-
-
-
South America
-
Andes (1)
-
Argentina
-
Pampean Mountains (2)
-
-
Peru (1)
-
-
structural analysis (6)
-
tectonics (28)
-
United States
-
Alaska
-
Chugach Mountains (1)
-
-
California
-
Kern County California (1)
-
Sierra Nevada Batholith (1)
-
-
Cheyenne Belt (1)
-
Colorado
-
Wet Mountains (1)
-
-
Connecticut (1)
-
Idaho
-
Boise County Idaho (1)
-
Valley County Idaho (1)
-
-
Maine (1)
-
New York
-
Adirondack Mountains (2)
-
Hamilton County New York (1)
-
Warren County New York (1)
-
-
South Dakota
-
Custer County South Dakota (1)
-
Pennington County South Dakota (1)
-
-
Texas
-
Llano Uplift (1)
-
-
U. S. Rocky Mountains
-
Wet Mountains (1)
-
-
Washington
-
Okanogan County Washington (1)
-
Whatcom County Washington (1)
-
-
Wyoming
-
Carbon County Wyoming (1)
-
Sierra Madre Range (1)
-
-
-
-
rock formations
-
Famatina System (1)
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Monashee Complex (2)
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Skagit Gneiss (2)
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sedimentary rocks
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sedimentary rocks
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clastic rocks
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graywacke (1)
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shale (1)
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sedimentary structures
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boudinage (3)
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channels (1)
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leucosomes
The Revsegg and Kvitenut allochthons, Scandinavian Caledonides: origins and evolution in the Caledonian Wilson cycle
A newly discovered Late Cretaceous metamorphic belt along the active continental margin of the Neo-Tethys ocean
Segmentation of the Caledonian orogenic infrastructure and exhumation of the Western Gneiss Region during transtensional collapse
Carmacks Copper Cu-Au-Ag Deposit: Mineralization and Postore Migmatization of a Stikine Arc Porphyry Copper System in Yukon, Canada
The Mesoarchean Amikoq Layered Complex of SW Greenland: Part 1. Constraints on the P–T evolution from igneous, metasomatic and metamorphic amphiboles
Fluid-Present Partial Melting of Paleoproterozoic Okbang Amphibolite in the Yeongnam Massif, Korea
Constraining the timing and character of crustal melting in the Adirondack Mountains using multi-scale compositional mapping and in-situ monazite geochronology
Separating multiple episodes of partial melting in polyorogenic crust: An example from the Haiyangsuo complex, northern Sulu belt, eastern China
Abstract Early Oligocene partial melting and prolonged low-pressure–low-temperature (low-P/T) metamorphism were investigated in migmatites and orthogneisses from the upper High Himalaya Crystalline Sequence (HHCS) in the far east of Nepal. The migmatites were formed by biotite dehydration melting at c. 800°C from 33 to 25 Ma. Cordierite was only produced at shallow crustal levels at pressures <6 kbar. After Early Oligocene partial melting, the low-P/T metamorphism continued until 17 Ma during exhumation of the cordierite-bearing migmatites. Early Oligocene biotite dehydration melting in the upper HHCS occurred at different times and locations from the Early Miocene muscovite dehydration melting in the underlying HHCS and the metamorphic discontinuity was accompanied by thrusting of the High Himalayan Discontinuity at c. 27–19 Ma. Pervasive partial melting and prolonged low-P/T metamorphism in the upper HHCS is more compatible with a lateral southwards channel flow of the upper HHCS along the High Himalayan Discontinuity, whereas current channel flow models explaining the exhumation of the HHCS as driven only by the coupled activity of the Main Central Thrust and South Tibetan Detachment have faced difficulties in explaining the timing of the low-P/T metamorphism observed in the upper HHCS.