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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
-
Kenya (2)
-
Mozambique (2)
-
Tanzania (2)
-
-
East African Rift (1)
-
Limpopo Belt (4)
-
Madagascar (1)
-
Mozambique Belt (2)
-
North Africa
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
Rif (2)
-
-
-
Southern Africa
-
Kaapvaal Craton (1)
-
Kalahari Craton (1)
-
Karoo Basin (1)
-
South Africa
-
Free State South Africa (2)
-
Northern Cape Province South Africa
-
Kimberley South Africa (2)
-
-
-
Zimbabwe
-
Great Dyke (1)
-
Kariba Zimbabwe (1)
-
-
-
West African Craton (1)
-
Zimbabwe Craton (1)
-
-
Altiplano (1)
-
Antarctica
-
East Antarctica (1)
-
Queen Maud Land (1)
-
-
Arctic region
-
Greenland
-
East Greenland (2)
-
West Greenland (1)
-
-
Russian Arctic (2)
-
Svalbard
-
Spitsbergen
-
Spitsbergen Island (1)
-
-
-
-
Asia
-
Baikal region (1)
-
Buryat Russian Federation
-
Vitim Plateau (4)
-
-
Central Asia
-
Kazakhstan
-
Kokchetav Kazakhstan
-
Kokchetav Massif (2)
-
-
-
Pamirs (1)
-
-
Far East
-
China
-
Dabie Mountains (3)
-
Donghai China (1)
-
Gansu China (1)
-
Jiangsu China (1)
-
Qaidam Basin (3)
-
Qinghai China (1)
-
Qinling Mountains (1)
-
Sulu Terrane (2)
-
Tarim Platform (1)
-
Xizang China (2)
-
-
Japan
-
Honshu
-
Gifu Japan
-
Toki Japan (1)
-
-
-
-
-
Himalayas
-
High Himalayan Crystallines (1)
-
-
Indian Peninsula
-
India
-
Andhra Pradesh India (2)
-
Dharwar Craton (1)
-
-
Pakistan (2)
-
-
Indus-Yarlung Zangbo suture zone (1)
-
Irkutsk Russian Federation (3)
-
Kamchatka Russian Federation
-
Kamchatka Peninsula (1)
-
-
Krasnoyarsk Russian Federation (2)
-
Lena River (1)
-
Middle East
-
Syria (1)
-
Turkey
-
Anatolia (1)
-
Lycian Taurus (1)
-
Menderes Massif (1)
-
-
-
Russian Far East (1)
-
Sayan
-
Eastern Sayan (2)
-
-
Siberia (7)
-
Siberian Platform
-
Aldan Shield (5)
-
Yakutia region (1)
-
-
Tajikistan (1)
-
Tibetan Plateau (3)
-
Tunguska Basin (1)
-
Tuva Russian Federation
-
Sangilen Mountains (2)
-
-
Vitim River (1)
-
Yakutia Russian Federation
-
Mir Pipe (1)
-
Udachnaya Pipe (10)
-
-
-
Australasia
-
Australia
-
New South Wales Australia (1)
-
Northern Territory Australia (1)
-
Victoria Australia
-
Gippsland Australia (1)
-
-
-
-
Caledonides (2)
-
Canada
-
Eastern Canada
-
Maritime Provinces
-
Nova Scotia (1)
-
-
Ontario
-
Timiskaming District Ontario
-
Kirkland Lake Ontario (1)
-
-
-
Quebec (1)
-
-
Nunavut (3)
-
Ungava (1)
-
Western Canada
-
Alberta (1)
-
British Columbia (1)
-
Manitoba
-
Thompson nickel belt (1)
-
-
Northwest Territories (2)
-
Saskatchewan (2)
-
-
-
Commonwealth of Independent States
-
Kazakhstan
-
Kokchetav Kazakhstan
-
Kokchetav Massif (2)
-
-
-
Russian Federation
-
Arkhangelsk Russian Federation (1)
-
Baikal region (1)
-
Buryat Russian Federation
-
Vitim Plateau (4)
-
-
Chelyabinsk Russian Federation (1)
-
Irkutsk Russian Federation (3)
-
Kamchatka Russian Federation
-
Kamchatka Peninsula (1)
-
-
Krasnoyarsk Russian Federation (2)
-
Lena River (1)
-
Murmansk Russian Federation
-
Kola Peninsula (2)
-
-
Russian Arctic (2)
-
Russian Far East (1)
-
Siberian Platform
-
Aldan Shield (5)
-
Yakutia region (1)
-
-
Tunguska Basin (1)
-
Tuva Russian Federation
-
Sangilen Mountains (2)
-
-
Vitim River (1)
-
Yakutia Russian Federation
-
Mir Pipe (1)
-
Udachnaya Pipe (10)
-
-
-
Tajikistan (1)
-
Urals
-
Southern Urals (1)
-
-
-
Europe
-
Alps
-
Central Alps (1)
-
Eastern Alps (1)
-
Swiss Alps
-
Central Swiss Alps (1)
-
-
Western Alps
-
Dauphine Alps
-
Pelvoux Massif (1)
-
-
-
-
Arkhangelsk Russian Federation (1)
-
Central Europe
-
Austria
-
North Austrian Crystallines (1)
-
-
Bohemian Massif (7)
-
Czech Republic (3)
-
Erzgebirge (2)
-
Germany
-
Saxony Germany (1)
-
-
Switzerland
-
Swiss Alps
-
Central Swiss Alps (1)
-
-
-
-
Fennoscandian Shield (2)
-
Murmansk Russian Federation
-
Kola Peninsula (2)
-
-
Southern Europe
-
Iberian Peninsula
-
Spain
-
Andalusia Spain
-
Alpujarride Complex (1)
-
Nevado-Filabride Complex (1)
-
Serrania de Ronda (4)
-
-
Betic Cordillera
-
Serrania de Ronda (4)
-
-
-
-
Italy (2)
-
-
Variscides (1)
-
Western Europe
-
France
-
Central Massif (3)
-
Dauphine Alps
-
Pelvoux Massif (1)
-
-
Puy-de-Dome France
-
Chaine des Puys (1)
-
-
-
Scandinavia
-
Norway (4)
-
Western Gneiss region (3)
-
-
United Kingdom
-
Great Britain
-
England
-
Cornwall England (1)
-
-
Scotland
-
Highland region Scotland
-
Sutherland Scotland (1)
-
-
-
-
-
-
-
Grand Canyon (1)
-
Indian Ocean
-
Atlantis II fracture zone (1)
-
-
Indian Ocean Islands
-
Madagascar (1)
-
-
Mediterranean region (1)
-
Mediterranean Sea
-
West Mediterranean
-
Alboran Sea (1)
-
-
-
Mexico
-
Baja California Mexico (1)
-
Chihuahua Mexico (1)
-
-
Midland Valley (1)
-
North America
-
Canadian Shield
-
Churchill Province
-
Rae Province (1)
-
-
Grenville Province
-
Central Metasedimentary Belt (1)
-
-
Nain Province (1)
-
Slave Province (3)
-
-
Peninsular Ranges Batholith (2)
-
Rio Grande Rift (1)
-
Rocky Mountains
-
Northern Rocky Mountains (1)
-
-
-
South America
-
Bolivia (1)
-
Brazil
-
Rondonia Brazil (1)
-
-
Peru (1)
-
-
Southwest Indian Ridge (1)
-
United States
-
Alaska
-
Nunivak Island (1)
-
-
Arizona (2)
-
Arkansas
-
Pike County Arkansas (1)
-
-
California
-
Imperial County California (1)
-
San Diego County California (1)
-
Southern California (2)
-
-
Colorado Plateau (2)
-
Connecticut (2)
-
Merrimack Synclinorium (1)
-
Mojave Desert (1)
-
Montana (1)
-
New Mexico
-
Dona Ana County New Mexico
-
Kilbourne Hole (1)
-
-
Jemez Lineament (1)
-
McKinley County New Mexico (1)
-
Picuris Range (1)
-
-
Pennsylvania
-
Fayette County Pennsylvania (1)
-
-
Southwestern U.S. (2)
-
-
-
commodities
-
diamond deposits (15)
-
gems (4)
-
geothermal energy (1)
-
heavy mineral deposits (2)
-
metal ores
-
copper ores (2)
-
gold ores (1)
-
nickel ores (2)
-
platinum ores (2)
-
rare earth deposits (1)
-
tin ores (1)
-
vanadium ores (1)
-
-
mineral deposits, genesis (8)
-
mineral exploration (9)
-
mineral resources (2)
-
phosphate deposits (1)
-
placers (2)
-
quartz crystal (1)
-
ruby (1)
-
-
elements, isotopes
-
carbon
-
C-13/C-12 (3)
-
-
chemical ratios (1)
-
halogens
-
chlorine (1)
-
-
hydrogen (4)
-
incompatible elements (1)
-
isotope ratios (15)
-
isotopes
-
radioactive isotopes
-
Pb-206/Pb-204 (1)
-
Rb-87/Sr-86 (2)
-
Sm-147/Nd-144 (3)
-
-
stable isotopes
-
C-13/C-12 (3)
-
Hf-177/Hf-176 (3)
-
Li-7/Li-6 (1)
-
Nd-144/Nd-143 (6)
-
O-18 (1)
-
O-18/O-16 (5)
-
Pb-206/Pb-204 (1)
-
Rb-87/Sr-86 (2)
-
Sm-147/Nd-144 (3)
-
Sr-87/Sr-86 (7)
-
-
-
large-ion lithophile elements (1)
-
Lu/Hf (1)
-
metals
-
actinides
-
thorium (1)
-
uranium (1)
-
-
alkali metals
-
lithium
-
Li-7/Li-6 (1)
-
-
potassium (2)
-
rubidium
-
Rb-87/Sr-86 (2)
-
-
-
alkaline earth metals
-
barium (1)
-
calcium (1)
-
magnesium (1)
-
strontium
-
Rb-87/Sr-86 (2)
-
Sr-87/Sr-86 (7)
-
-
-
antimony (1)
-
arsenic (1)
-
chromium (3)
-
gold (1)
-
hafnium
-
Hf-177/Hf-176 (3)
-
-
iron (3)
-
lead
-
Pb-206/Pb-204 (1)
-
-
manganese (2)
-
nickel (1)
-
niobium (1)
-
platinum group
-
palladium (1)
-
platinum (1)
-
platinum ores (2)
-
-
rare earths
-
cerium (1)
-
neodymium
-
Nd-144/Nd-143 (6)
-
Sm-147/Nd-144 (3)
-
-
samarium
-
Sm-147/Nd-144 (3)
-
-
-
titanium (2)
-
vanadium (1)
-
zinc (1)
-
zirconium (2)
-
-
nitrogen (2)
-
oxygen
-
O-18 (1)
-
O-18/O-16 (5)
-
-
selenium (1)
-
sulfur (1)
-
tellurium (1)
-
-
geochronology methods
-
Ar/Ar (5)
-
fission-track dating (1)
-
Lu/Hf (1)
-
paleomagnetism (1)
-
Rb/Sr (3)
-
Re/Os (3)
-
Sm/Nd (7)
-
thermochronology (1)
-
U/Pb (21)
-
U/Th/Pb (2)
-
-
geologic age
-
Cenozoic
-
Quaternary
-
Holocene (1)
-
Pleistocene (1)
-
-
Tertiary
-
Neogene
-
Miocene
-
middle Miocene (1)
-
-
Pliocene (1)
-
-
Paleogene
-
Eocene (4)
-
Oligocene (3)
-
-
-
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous (1)
-
Upper Cretaceous (2)
-
-
Jurassic
-
Middle Jurassic (1)
-
-
lower Mesozoic (1)
-
Triassic
-
Middle Triassic
-
Ladinian (2)
-
-
Upper Triassic
-
Carnian (2)
-
-
-
-
Moldanubian (2)
-
Paleozoic
-
Cambrian
-
Lower Cambrian (2)
-
Upper Cambrian (1)
-
-
Carboniferous (2)
-
Devonian (5)
-
Gfohl Unit (1)
-
lower Paleozoic (1)
-
Ordovician
-
Upper Ordovician (1)
-
-
Silurian
-
Middle Silurian (1)
-
-
upper Paleozoic (1)
-
-
Precambrian
-
Archean (7)
-
upper Precambrian
-
Proterozoic
-
Lewisian (1)
-
Mesoproterozoic (6)
-
Neoproterozoic
-
Riphean (1)
-
-
Paleoproterozoic (3)
-
-
-
-
Saxothuringian (3)
-
-
igneous rocks
-
igneous rocks
-
carbonatites (4)
-
feldspathoid rocks (1)
-
kimberlite (45)
-
picrite (2)
-
plutonic rocks
-
anorthosite (1)
-
diorites
-
quartz diorites (1)
-
tonalite
-
enderbite (1)
-
-
trondhjemite (1)
-
-
gabbros
-
norite (2)
-
troctolite (1)
-
-
granites
-
A-type granites (1)
-
charnockite (1)
-
granosyenite (1)
-
leucogranite (1)
-
S-type granites (1)
-
-
granodiorites (1)
-
lamproite (4)
-
lamprophyres (5)
-
monzodiorite (2)
-
pegmatite (2)
-
syenites
-
granosyenite (1)
-
-
ultramafics
-
peridotites
-
dunite (3)
-
garnet lherzolite (6)
-
garnet peridotite (9)
-
harzburgite (5)
-
lherzolite (8)
-
spinel lherzolite (5)
-
-
pyroxenite
-
clinopyroxenite (1)
-
garnet pyroxenite (2)
-
websterite (7)
-
-
-
-
porphyry (1)
-
volcanic rocks
-
basalts
-
alkali basalts (1)
-
olivine basalt (1)
-
trap rocks (1)
-
-
basanite (3)
-
glasses (2)
-
pyroclastics
-
scoria (1)
-
tuff (4)
-
-
-
-
ophiolite (3)
-
wehrlite (1)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (5)
-
eclogite (30)
-
gneisses
-
augen gneiss (1)
-
orthogneiss (5)
-
paragneiss (1)
-
-
granulites (17)
-
hornfels (1)
-
marbles (3)
-
metaigneous rocks
-
metabasalt (1)
-
metabasite (4)
-
serpentinite (1)
-
-
metasedimentary rocks
-
metapelite (6)
-
paragneiss (1)
-
-
metasomatic rocks
-
greisen (1)
-
serpentinite (1)
-
skarn (1)
-
-
migmatites (4)
-
mylonites (2)
-
schists (3)
-
-
ophiolite (3)
-
-
meteorites
-
meteorites
-
stony meteorites
-
chondrites (1)
-
-
-
-
minerals
-
arsenides
-
sperrylite (1)
-
-
carbonates
-
calcite (3)
-
dolomite (1)
-
magnesite (1)
-
spurrite (1)
-
-
halides
-
chlorides
-
atacamite (1)
-
halite (1)
-
-
fluorides
-
zinnwaldite (1)
-
-
-
hydrates (1)
-
minerals (1)
-
native elements
-
diamond
-
microdiamond (1)
-
-
graphite (4)
-
-
oxides
-
chrome spinel (8)
-
chromite (4)
-
corundum (1)
-
geikielite (1)
-
hematite (2)
-
hibonite (1)
-
hydroxides (1)
-
ilmenite (8)
-
magnetite (3)
-
perovskite (1)
-
rutile (5)
-
sapphire (1)
-
spinel (10)
-
-
phosphates
-
apatite (5)
-
britholite (1)
-
fluorapatite (2)
-
monazite (6)
-
rhabdophane (1)
-
-
silicates
-
chain silicates
-
amphibole group
-
clinoamphibole
-
hornblende (1)
-
pargasite (1)
-
-
-
pyroxene group
-
clinopyroxene
-
chrome diopside (1)
-
diopside (3)
-
jadeite (1)
-
omphacite (3)
-
-
orthopyroxene
-
enstatite (1)
-
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
K-feldspar (2)
-
-
plagioclase
-
albite (1)
-
bytownite (1)
-
labradorite (1)
-
-
-
leucite (1)
-
myrmekite (2)
-
nepheline group
-
kalsilite (1)
-
nepheline (1)
-
-
scapolite group
-
scapolite (3)
-
-
silica minerals
-
coesite (2)
-
quartz (4)
-
-
-
orthosilicates
-
nesosilicates
-
britholite group
-
britholite (1)
-
-
garnet group
-
almandine (2)
-
andradite (1)
-
grossular (2)
-
majorite (1)
-
pyrope (12)
-
-
kyanite (4)
-
merwinite (1)
-
olivine group
-
olivine (10)
-
peridot (1)
-
-
sillimanite (1)
-
spurrite (1)
-
staurolite (1)
-
titanite group
-
titanite (3)
-
-
zircon group
-
thorite (1)
-
zircon (15)
-
-
-
sorosilicates
-
epidote group
-
clinozoisite (1)
-
epidote (2)
-
tanzanite (2)
-
zoisite (2)
-
-
-
-
ring silicates
-
cordierite (1)
-
-
sheet silicates
-
chlorite group
-
chlorite (1)
-
-
mica group
-
biotite (2)
-
muscovite (2)
-
phengite (1)
-
phlogopite (7)
-
zinnwaldite (1)
-
-
serpentine group
-
antigorite (1)
-
-
-
-
sulfates
-
barite (1)
-
celestine (1)
-
gypsum (1)
-
-
sulfides
-
iron sulfides (1)
-
nickel sulfides (1)
-
pentlandite (1)
-
-
wehrlite (1)
-
-
Primary terms
-
absolute age (26)
-
Africa
-
Central Africa
-
Angola (1)
-
-
Congo Craton (1)
-
East Africa
-
Kenya (2)
-
Mozambique (2)
-
Tanzania (2)
-
-
East African Rift (1)
-
Limpopo Belt (4)
-
Madagascar (1)
-
Mozambique Belt (2)
-
North Africa
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
Rif (2)
-
-
-
Southern Africa
-
Kaapvaal Craton (1)
-
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kelyphite
Clinoferrosilite-bearing kelyphite: a breakdown product of xenolithic garnet, Delegate breccia pipes, New South Wales, Australia
Reactions behaviour during kelyphite and symplectite formation; a case study of mafic granulites and eclogites from the Bohemian Massif
Backscattered electron image of kelyphite with false color. Note the kelyph...
Garnet peridotite (BD134) with kelyphite reaction rims around garnet.
Photomicrographs of undeformed kelyphite minerals in garnet sample 111; ( a...
Backscattered electron image (A) of zoned garnet in a matrix of kelyphite, ...
Cr-pyrope grains from kimberlite with thick kelyphite rims, indicated by th...
Chemical compositions of matrix ( a ) and ( b ) and kelyphite ( c ) and ( d...
( a ) Photomicrograph of the kelyphite (plane polarized light); and ( b ) a...
FTIR spectrum of the kelyphite, showing a mixture of mineral phases includi...
Fluorescence of the kelyphite when observed under cathodoluminescence.
Garnet relics in black kelyphite, replaced by a phlogopite plate with vermi...
An ICPMS analysis showing the distribution of trace elements in garnet, kel...
Optical micrographs illustrating typical mineralogies and textures. ( a ) O...
(A–C) Representative photomicrographs (top) and backscattered electron imag...
P – T conditions of symplectite formation in the eclogites from the Western Gneiss Region (Norway)
Abstract Symplectite, defined as plagioclase + Ca-pyroxene (±amphibole) intergrowths after omphacite, and kelyphite, defined as amphibole + plagioclase coronas around garnet, are common features of retrogressed eclogites. These textures are related to exhumation under (ultra) high pressure towards the surface, but the estimation of the pressure–temperature ( P – T ) of symplectite formation is difficult because of the narrowness of pyroxene and plagioclase lamellas, and the compositional variability of the phases. Retrogressed eclogites from Norwegian localities with different eclogite peak conditions have been chosen to investigate the formation of symplectite and associated kelyphite. Thermobarometry calculations show that symplectite crystallizes as soon as the rocks enter the stability field of plagioclase and continues crystallizing until they have reached amphibolite facies. Symplectite yields a pressure range from 18 to 10 kbar, and a temperature range from 700 to 550°C. Amphibole found in the symplectite assemblage crystallizes later, at lower pressures and temperatures (10–4 kbar, 680–420°C). Kelyphite is always associated with well-developed symplectite, when the former omphacite is totally transformed into symplectite. These features likely testify to the influence of an external fluid during retrogression. Samples with limited symplectite and no kelyphite are likely retrogressed with an internal fluid.