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NARROW
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Central Africa
-
Angola (1)
-
-
Congo Craton (1)
-
East Africa
-
Ethiopia (1)
-
Mozambique
-
Tete Mozambique (1)
-
-
-
Limpopo Belt (1)
-
Southern Africa
-
Barberton greenstone belt (4)
-
Botswana (1)
-
Gariep Belt (1)
-
Kaapvaal Craton (3)
-
Kalahari Craton (1)
-
Namaqualand (3)
-
Namaqualand metamorphic complex (2)
-
Namibia (1)
-
Orange River (1)
-
South Africa
-
Bushveld Complex (1)
-
Free State South Africa
-
Vredefort Dome (2)
-
-
KwaZulu-Natal South Africa
-
Durban South Africa (1)
-
-
North-West Province South Africa
-
Ventersdorp South Africa (1)
-
-
Western Cape Province South Africa (2)
-
Witwatersrand (1)
-
-
Swaziland (3)
-
Zimbabwe (1)
-
-
West Africa
-
Burkina Faso (1)
-
Ghana (1)
-
Ivory Coast (1)
-
-
Zimbabwe Craton (2)
-
-
Antarctica
-
Queen Maud Land (1)
-
Transantarctic Mountains (1)
-
-
Arctic region
-
Greenland
-
Akilia (1)
-
East Greenland (3)
-
Godthabsfjord (1)
-
Isua Belt (5)
-
Milne Land (1)
-
West Greenland (5)
-
-
-
Asia
-
Far East
-
China
-
North China Platform (2)
-
Shandong China (1)
-
Sulu Terrane (1)
-
Xizang China
-
Lhasa Block (1)
-
-
-
Sino-Korean Platform (1)
-
-
Himalayas
-
Nanga Parbat (1)
-
-
Indian Peninsula
-
India
-
Andhra Pradesh India
-
Cuddapah Basin (1)
-
-
Bastar Craton (3)
-
Dharwar Craton (2)
-
Gujarat India (1)
-
Jharkhand India (1)
-
Rajasthan India
-
Alwar India (1)
-
-
Singhbhum shear zone (3)
-
Trans-Aravalli Vindhyan Basin (1)
-
-
Indian Shield (1)
-
Jammu and Kashmir
-
Ladakh (1)
-
Nanga Parbat (1)
-
-
Kohistan (1)
-
Pakistan (1)
-
-
Indus-Yarlung Zangbo suture zone (1)
-
Middle East
-
Iran (1)
-
Turkey
-
Anatolia (1)
-
-
-
Qiangtang Terrane (3)
-
Tien Shan (1)
-
-
Atlantic Ocean
-
North Atlantic (1)
-
-
Australasia
-
Australia
-
Queensland Australia
-
Mount Isa Australia (1)
-
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South Australia
-
Gawler Craton (1)
-
-
Western Australia
-
Eastern Goldfields (1)
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Pilbara Craton (2)
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Yilgarn Craton (1)
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Baker Lake (1)
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Bering Strait (1)
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Blue Mountains (1)
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Broken Hill Mine (1)
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Caledonides (4)
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Canada
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Arctic Archipelago (1)
-
Eastern Canada
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Baffin Island (1)
-
Maritime Provinces
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Nova Scotia
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Cape Breton Island
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Cape Breton Highlands (1)
-
-
-
-
Newfoundland and Labrador
-
Labrador (5)
-
Newfoundland (4)
-
-
Ontario
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Hemlo Deposit (1)
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Parry Sound District Ontario
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Parry Sound Ontario (1)
-
-
Sudbury Basin (1)
-
-
Quebec
-
Charlevoix (1)
-
Saguenay County Quebec (2)
-
-
-
Nunavut
-
Baffin Island (1)
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Boothia Peninsula (1)
-
Kaminak Lake (2)
-
Lupin Mine (1)
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-
Stikinia Terrane (1)
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Torngat Mountains (1)
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Ungava (2)
-
Western Canada
-
Athabasca Basin (2)
-
Athabasca District (1)
-
British Columbia (1)
-
Canadian Cordillera (3)
-
Lake Athabasca (1)
-
Lupin Mine (1)
-
Manitoba
-
Flin Flon Manitoba (1)
-
Snow Lake Manitoba (1)
-
Thompson nickel belt (1)
-
-
Northwest Territories (6)
-
Saskatchewan (7)
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Yukon Territory
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Wernecke Mountains (1)
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-
-
-
Commonwealth of Independent States
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Russian Federation (1)
-
-
Europe
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Central Europe
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Bohemian Massif (1)
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Poland (1)
-
-
Snieznik (1)
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Western Europe
-
Scandinavia
-
Norway
-
Southern Norway (1)
-
-
Sweden
-
Bergslagen (1)
-
Norrbotten Sweden
-
Gallivare Sweden (1)
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Kiruna Sweden (1)
-
-
Skellefte mining district (1)
-
-
-
United Kingdom
-
Great Britain
-
Scotland
-
Hebrides
-
Inner Hebrides (1)
-
Outer Hebrides (3)
-
-
Moine thrust zone (1)
-
-
-
-
-
-
Grand Canyon (2)
-
Granite Mountains (1)
-
Hanson Lake (1)
-
Harris (1)
-
Hudson Bay Basin (1)
-
Iron Mountain (1)
-
Jack Hills (2)
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Madison Range (1)
-
Mediterranean region (1)
-
Mexico
-
Sonora Mexico (2)
-
-
North America
-
Appalachians
-
Piedmont (1)
-
-
Canadian Shield
-
Churchill Province
-
Hearne Province (3)
-
Rae Province (4)
-
Snowbird tectonic zone (1)
-
-
Flin Flon Belt (2)
-
Grenville Province
-
Central Metasedimentary Belt (1)
-
-
Makkovik Province (1)
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Nain Province (1)
-
Slave Province (8)
-
Superior Province
-
Abitibi Belt (1)
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English River Belt (1)
-
Quetico Belt (1)
-
Wabigoon Belt (2)
-
Wawa Belt (4)
-
-
Taltson magmatic zone (1)
-
-
Great Lakes region (3)
-
Grenville Front (1)
-
North American Cordillera
-
Canadian Cordillera (3)
-
-
North American Craton (2)
-
Peninsular Ranges Batholith (1)
-
Rocky Mountains
-
U. S. Rocky Mountains
-
Wind River Range (1)
-
-
-
Western Canada Sedimentary Basin (1)
-
-
Northern Highlands (1)
-
Quesnellia Terrane (1)
-
Rattlesnake Hills (1)
-
Sierra Madre (1)
-
South America
-
Amazon Basin (1)
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Andes (1)
-
Argentina
-
Pampean Mountains (1)
-
-
Brazil
-
Bahia Brazil (1)
-
Minas Gerais Brazil
-
Quadrilatero Ferrifero (1)
-
-
Para Brazil
-
Carajas mineral province (1)
-
-
Rio Grande do Sul Brazil (1)
-
Sao Francisco Craton (1)
-
-
Guiana Shield (1)
-
-
South Pass (1)
-
Southern Ocean
-
Ross Sea (1)
-
-
United States
-
Alabama (1)
-
Alaska
-
Nunivak Island (1)
-
Seward Peninsula (1)
-
-
Arizona
-
Coconino County Arizona (2)
-
Mohave County Arizona (1)
-
-
California
-
Northern California (1)
-
Santa Ana Mountains (1)
-
Siskiyou County California (1)
-
Southern California (1)
-
Transverse Ranges (1)
-
-
Carolina Terrane (1)
-
Cheyenne Belt (1)
-
Colorado (1)
-
Colorado Plateau (2)
-
Georgia (1)
-
Idaho (1)
-
Klamath Mountains (1)
-
Michigan
-
Michigan Upper Peninsula (1)
-
-
Minnesota
-
Itasca County Minnesota (1)
-
Saint Louis County Minnesota (2)
-
-
Montana
-
Gallatin County Montana (1)
-
Madison County Montana (1)
-
-
New Jersey
-
New Jersey Highlands (2)
-
-
New York
-
Adirondack Mountains (2)
-
-
Oregon (1)
-
Pine Mountain Window (1)
-
Southwestern U.S. (1)
-
U. S. Rocky Mountains
-
Wind River Range (1)
-
-
Utah (1)
-
Western U.S. (1)
-
Wyoming
-
Carbon County Wyoming
-
Seminoe Mountains (1)
-
-
Fremont County Wyoming (1)
-
Natrona County Wyoming (1)
-
Sierra Madre Range (1)
-
Wind River Range (1)
-
-
Wyoming Province (4)
-
Yavapai Province (1)
-
-
-
commodities
-
metal ores
-
base metals (3)
-
copper ores (10)
-
gold ores (14)
-
IOCG deposits (2)
-
iron ores (3)
-
lead ores (4)
-
lead-zinc deposits (3)
-
lithium ores (1)
-
manganese ores (1)
-
nickel ores (2)
-
platinum ores (2)
-
polymetallic ores (1)
-
rare earth deposits (1)
-
silver ores (1)
-
tantalum ores (1)
-
tin ores (1)
-
uranium ores (2)
-
zinc ores (6)
-
-
mineral deposits, genesis (17)
-
mineral exploration (9)
-
-
elements, isotopes
-
carbon
-
C-13/C-12 (2)
-
-
chemical ratios (1)
-
incompatible elements (1)
-
isotope ratios (23)
-
isotopes
-
radioactive isotopes
-
Sm-147/Nd-144 (1)
-
-
stable isotopes
-
C-13/C-12 (2)
-
Hf-177/Hf-176 (5)
-
Nd-144/Nd-143 (10)
-
O-18/O-16 (6)
-
S-34/S-32 (1)
-
Si-30/Si-28 (1)
-
Sm-147/Nd-144 (1)
-
Sr-87/Sr-86 (2)
-
-
-
Lu/Hf (4)
-
metals
-
actinides
-
thorium (1)
-
uranium (1)
-
-
alkaline earth metals
-
strontium
-
Sr-87/Sr-86 (2)
-
-
-
hafnium
-
Hf-177/Hf-176 (5)
-
-
iron
-
ferric iron (1)
-
ferrous iron (1)
-
-
lead (1)
-
platinum group
-
platinum ores (2)
-
-
precious metals (1)
-
rare earths
-
neodymium
-
Nd-144/Nd-143 (10)
-
Sm-147/Nd-144 (1)
-
-
samarium
-
Sm-147/Nd-144 (1)
-
-
yttrium (1)
-
-
-
oxygen
-
O-18/O-16 (6)
-
-
phosphorus (1)
-
silicon
-
Si-30/Si-28 (1)
-
-
sulfur
-
S-34/S-32 (1)
-
-
-
geochronology methods
-
Ar/Ar (8)
-
Lu/Hf (4)
-
Nd/Nd (1)
-
Pb/Pb (8)
-
Rb/Sr (4)
-
Sm/Nd (10)
-
Th/U (1)
-
thermochronology (2)
-
U/Pb (67)
-
U/Th/Pb (3)
-
-
geologic age
-
Cenozoic
-
Tertiary
-
Neogene
-
Miocene (1)
-
-
Paleogene
-
Eocene
-
middle Eocene (1)
-
-
Oligocene (1)
-
Paleocene (1)
-
-
-
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous (3)
-
-
Jurassic
-
Ferrar Group (1)
-
Lower Jurassic (1)
-
Upper Jurassic (2)
-
-
Triassic
-
Upper Triassic
-
Stuhini Group (1)
-
-
-
-
Paleozoic
-
Cambrian
-
Lower Cambrian (2)
-
Upper Cambrian (1)
-
-
Carboniferous (1)
-
Devonian (2)
-
Ordovician (2)
-
Silurian (1)
-
-
Phanerozoic (1)
-
Precambrian
-
Archean
-
Eoarchean (3)
-
Mesoarchean (7)
-
Neoarchean (13)
-
Paleoarchean (8)
-
Sausar Series (1)
-
Singhbhum Granite (1)
-
Timiskaming Group (1)
-
Warrawoona Group (1)
-
Yellowknife Group (1)
-
-
Central Rand Group (1)
-
Hadean (1)
-
Kisseynew Complex (2)
-
Lewisian Complex (5)
-
middle Precambrian (1)
-
Onverwacht Group (1)
-
Pongola Supergroup (1)
-
upper Precambrian
-
Proterozoic
-
Athabasca Formation (1)
-
Huronian (2)
-
Mesoproterozoic
-
Laxfordian (2)
-
-
Neoproterozoic (12)
-
Paleoproterozoic
-
Aphebian
-
Hurwitz Group (1)
-
-
Birimian (1)
-
Svecofennian (1)
-
-
Windermere System (1)
-
-
-
Witwatersrand Supergroup (2)
-
-
-
igneous rocks
-
extrusive rocks (1)
-
igneous rocks
-
carbonatites (1)
-
kimberlite (1)
-
plutonic rocks
-
anorthosite (2)
-
diabase (1)
-
diorites
-
tonalite
-
enderbite (2)
-
-
trondhjemite (3)
-
-
gabbros
-
anorthositic gabbro (1)
-
norite (1)
-
-
granites
-
aplite (1)
-
A-type granites (1)
-
charnockite (2)
-
I-type granites (1)
-
leucogranite (1)
-
rapakivi (1)
-
S-type granites (1)
-
-
granodiorites (2)
-
lamprophyres
-
spessartite (1)
-
-
pegmatite (2)
-
ultramafics
-
chromitite (1)
-
peridotites
-
dunite (2)
-
garnet peridotite (1)
-
-
pyroxenite (1)
-
-
-
porphyry (2)
-
volcanic rocks
-
andesites (3)
-
basalts
-
mid-ocean ridge basalts (4)
-
-
komatiite (1)
-
pyroclastics
-
ignimbrite (1)
-
-
rhyolites (2)
-
-
-
ophiolite (2)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (7)
-
eclogite (2)
-
garnetite (1)
-
gneisses
-
augen gneiss (1)
-
granite gneiss (2)
-
orthogneiss (6)
-
paragneiss (4)
-
tonalite gneiss (3)
-
-
granulites (8)
-
marbles (4)
-
metaigneous rocks
-
metabasalt (3)
-
metabasite (1)
-
metagabbro (1)
-
metagranite (6)
-
metakomatiite (1)
-
metatuff (1)
-
-
metaplutonic rocks (5)
-
metasedimentary rocks
-
khondalite (1)
-
metapelite (1)
-
paragneiss (4)
-
-
metavolcanic rocks (23)
-
migmatites (2)
-
mylonites
-
pseudotachylite (1)
-
-
quartzites
-
ferruginous quartzite (1)
-
-
schists
-
greenstone (3)
-
-
slates (2)
-
-
ophiolite (2)
-
turbidite (2)
-
-
minerals
-
alloys
-
carbides
-
moissanite (1)
-
-
-
carbonates
-
dolomite (1)
-
magnesite (1)
-
-
minerals (1)
-
native elements
-
diamond
-
microdiamond (1)
-
-
graphite (1)
-
-
oxides
-
chromite (1)
-
iron oxides (2)
-
magnetite (4)
-
uraninite (1)
-
-
phosphates
-
apatite (2)
-
monazite (11)
-
-
silicates
-
chain silicates
-
aenigmatite group
-
sapphirine (1)
-
-
amphibole group
-
clinoamphibole
-
hornblende (4)
-
-
orthoamphibole
-
anthophyllite (1)
-
-
-
pyroxene group
-
clinopyroxene
-
augite (1)
-
jadeite (1)
-
omphacite (1)
-
-
orthopyroxene (1)
-
-
-
framework silicates
-
feldspar group
-
plagioclase (4)
-
-
scapolite group
-
scapolite (2)
-
-
silica minerals
-
coesite (2)
-
quartz (3)
-
-
-
orthosilicates
-
nesosilicates
-
garnet group
-
grossular (1)
-
uvarovite (1)
-
-
olivine group
-
forsterite (1)
-
olivine (1)
-
-
titanite group
-
titanite (2)
-
-
zircon group
-
zircon (48)
-
-
-
-
sheet silicates
-
chlorite group
-
chlorite (1)
-
-
mica group
-
biotite (2)
-
muscovite (1)
-
-
talc (1)
-
-
-
sulfates
-
anhydrite (1)
-
-
sulfides
-
galena (1)
-
pyrite (2)
-
-
-
Primary terms
-
absolute age (79)
-
Africa
-
Central Africa
-
Angola (1)
-
-
Congo Craton (1)
-
East Africa
-
Ethiopia (1)
-
Mozambique
-
Tete Mozambique (1)
-
-
-
Limpopo Belt (1)
-
Southern Africa
-
Barberton greenstone belt (4)
-
Botswana (1)
-
Gariep Belt (1)
-
Kaapvaal Craton (3)
-
Kalahari Craton (1)
-
Namaqualand (3)
-
Namaqualand metamorphic complex (2)
-
Namibia (1)
-
Orange River (1)
-
South Africa
-
Bushveld Complex (1)
-
Free State South Africa
-
Vredefort Dome (2)
-
-
KwaZulu-Natal South Africa
-
Durban South Africa (1)
-
-
North-West Province South Africa
-
Ventersdorp South Africa (1)
-
-
Western Cape Province South Africa (2)
-
Witwatersrand (1)
-
-
Swaziland (3)
-
Zimbabwe (1)
-
-
West Africa
-
Burkina Faso (1)
-
Ghana (1)
-
Ivory Coast (1)
-
-
Zimbabwe Craton (2)
-
-
Antarctica
-
Queen Maud Land (1)
-
Transantarctic Mountains (1)
-
-
Arctic region
-
Greenland
-
Akilia (1)
-
East Greenland (3)
-
Godthabsfjord (1)
-
Isua Belt (5)
-
Milne Land (1)
-
West Greenland (5)
-
-
-
Asia
-
Far East
-
China
-
North China Platform (2)
-
Shandong China (1)
-
Sulu Terrane (1)
-
Xizang China
-
Lhasa Block (1)
-
-
-
Sino-Korean Platform (1)
-
-
Himalayas
-
Nanga Parbat (1)
-
-
Indian Peninsula
-
India
-
Andhra Pradesh India
-
Cuddapah Basin (1)
-
-
Bastar Craton (3)
-
Dharwar Craton (2)
-
Gujarat India (1)
-
Jharkhand India (1)
-
Rajasthan India
-
Alwar India (1)
-
-
Singhbhum shear zone (3)
-
Trans-Aravalli Vindhyan Basin (1)
-
-
Indian Shield (1)
-
Jammu and Kashmir
-
Ladakh (1)
-
Nanga Parbat (1)
-
-
Kohistan (1)
-
Pakistan (1)
-
-
Indus-Yarlung Zangbo suture zone (1)
-
Middle East
-
Iran (1)
-
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Seawater signatures in the supracrustal Lewisian Complex, Scotland
Amphibolite facies metamorphism in lower Witwatersrand Supergroup rocks exposed in the Vredefort Dome – a Ventersdorp LIP connection
Early Neoproterozoic Tectonics in the Godhra–Chhota Udepur Sector: Evidence for Two-Stage Accretion in the Great Indian Proterozoic Fold Belt
Structural Controls on Iron Oxide Copper-Gold Mineralization and Related Alteration in a Paleoproterozoic Supracrustal Belt: Insights from the Nautanen Deformation Zone and Surroundings, Northern Sweden
Geochronology and geochemistry of the Huntington Formation, Olds Ferry terrane, Blue Mountains province, northern U.S. Cordillera: Implications for accreted terrane correlation and assembly
The Pre-Grenvillian assembly of the southeastern Laurentian margin through the U–Pb–Hf detrital zircon record of Mesoproterozoic supracrustal sequences (Central Grenville Province, Quebec, Canada)
Abstract The Lower Jurassic Ferrar Large Igneous Province consists predominantly of intrusive rocks, which crop out over a distance of 3500 km. In comparison, extrusive rocks are more restricted geographically. Geochemically, the province is divided into the Mount Fazio Chemical Type, forming more than 99% of the exposed province, and the Scarab Peak Chemical Type, which in the Ross Sea sector is restricted to the uppermost lava. The former exhibits a range of compositions (SiO 2 = 52–59%; MgO = 9.2–2.6%; Zr = 60–175 ppm; Sr i = 0.7081–0.7138; ε Nd = −6.0 to −3.8), whereas the latter has a restricted composition (SiO 2 = c. 58%; MgO = c. 2.3%; Zr = c. 230 ppm; Sr i = 0.7090–0.7097; ε Nd = −4.4 to −4.1). Both chemical types are characterized by enriched initial isotope compositions of neodymium and strontium, low abundances of high field strength elements, and crust-like trace element patterns. The most basic rocks, olivine-bearing dolerites, indicate that these geochemical characteristics were inherited from a mantle source modified by subduction processes, possibly the incorporation of sediment. In one model, magmas were derived from a linear source having multiple sites of generation each of which evolved to yield, in sum, the province-wide coherent geochemistry. The preferred interpretation is that the remarkably coherent geochemistry and short duration of emplacement demonstrate derivation from a single source inferred to have been located in the proto-Weddell Sea region. The spatial variation in geochemical characteristics of the lavas suggests distinct magma batches erupted at the surface, whereas no clear geographical pattern is evident for intrusive rocks.
Layered ultramafic complexes of the Barberton Greenstone Belt – age constraints and tectonic implications
De Kraalen and Witrivier Greenstone Belts, Kaapvaal Craton, South Africa: Characterisation of the Palaeo-Mesoarchaean evolution by rutile and zircon U-Pb geochronology combined with Hf isotopes
Early Neoproterozoic Deformation Kinematics in the Chottanagpur Gneiss Complex (Eastern India): Evidence from the Curvilinear Hundru Falls Shear ZoneAnalysis
A Baltic heritage in Scotland: Basement terrane transfer during the Grenvillian orogeny
The Anatomy and Origin of a Synconvergent Grenvillian-Age Metamorphic Core Complex, Chottanagpur Gneiss Complex, Eastern India
Initiation of modern-style subduction in the Neoarchean: From plume to subduction with frequent slab break-off
The structural evolution of the Straumsnutane and western Sverdrupfjella areas, western Dronning Maud Land, Antarctica: implications for the amalgamation of Gondwana
A non–plate tectonic model for the Eoarchean Isua supracrustal belt
Linking collision, slab break-off and subduction polarity reversal in the evolution of the Central Indian Tectonic Zone
The plutonic crust of Kohistan and volcanic crust of Kohistan–Ladakh, north Pakistan/India: lessons learned for deep and shallow arc processes
Abstract The Kohistan–Ladakh terrane, northern Pakistan/India, offers a unique insight into whole-arc processes. This research review presents summaries of fundamental crustal genesis and evolution models. Earlier work focused on arc sequence definition. Later work focused on holistic petrogenesis. A new model emerges of an unusually thick ( c. 55 km) arc with a c. 30 km-thick batholith. Volatile-rich, hornblende ± garnet ± sediment assimilation-controlled magmatism is predominant. The thick batholith has a complementary mafic–ultramafic residue. Kohistan crustal SiO 2 contents are estimated at >56%. The new-Kohistan, silicic-crust model contrasts with previous lower SiO 2 estimates ( c. 51% SiO 2 crust) and modern arcs that imply <35 km crustal thicknesses and arc batholith thicknesses of c. 7 km. A synthetic overview of Kohistan–Ladakh volcanic rocks presents a model of an older, cleaved/deformed Cretaceous volcanic system at least 800 km across strike. The Jaglot–Chalt–Dras–Shyok volcanics exhibit predominant tholeiitic-calc-alkaline signatures, with a range of arc-related facies/tectonic settings. A younger, post-collisional, Tertiary silicic volcanic system (the Shamran–Dir–Dras-2–Khardung volcanics) lie unconformably upon Cretaceous basement, and erupted within an intra-continental tectonic setting. Kohistan–Ladakh tectonic model controversies remain. In essence, isotope-focused researchers prefer later (Tertiary) collisions, whilst structural field-geology-orientated researchers prefer an older (Cretaceous) age for the Northern/Shyok Suture.