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Mesoproterozoic (4)
-
Neoproterozoic (6)
-
Paleoproterozoic
-
Qinling Group (1)
-
-
-
-
-
-
igneous rocks
-
igneous rocks
-
carbonatites (3)
-
feldspathoid rocks (1)
-
plutonic rocks
-
anorthosite (1)
-
diorites
-
tonalite (4)
-
trondhjemite (2)
-
-
gabbros (1)
-
granites
-
alkali granites (1)
-
aplite (12)
-
A-type granites (18)
-
granite porphyry (1)
-
granosyenite (1)
-
graphic granite (1)
-
I-type granites (2)
-
leucogranite (11)
-
microgranite (1)
-
monzogranite (1)
-
muscovite granite (1)
-
S-type granites (12)
-
two-mica granite (1)
-
-
granodiorites (4)
-
ijolite (1)
-
lamproite (1)
-
lamprophyres
-
camptonite (1)
-
-
monzonites (1)
-
pegmatite (275)
-
syenites
-
albitite (2)
-
alkali syenites (1)
-
granosyenite (1)
-
nepheline syenite
-
agpaite (1)
-
-
-
ultramafics
-
peridotites
-
dunite (1)
-
harzburgite (1)
-
-
pyroxenite
-
clinopyroxenite (1)
-
-
-
-
porphyry (1)
-
volcanic rocks
-
basalts (2)
-
glasses
-
obsidian (1)
-
volcanic glass (1)
-
-
keratophyre (1)
-
melilitite (1)
-
phonolites (1)
-
pyroclastics
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ignimbrite (1)
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scoria (1)
-
tuff (2)
-
-
rhyolites (7)
-
-
-
wehrlite (1)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (4)
-
gneisses
-
granite gneiss (1)
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orthogneiss (1)
-
paragneiss (1)
-
-
granulites
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kinzigite (1)
-
-
marbles (1)
-
metaigneous rocks
-
metadiorite (1)
-
metagabbro (1)
-
metagranite (2)
-
serpentinite (3)
-
-
metasedimentary rocks
-
metaconglomerate (1)
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metapelite (1)
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paragneiss (1)
-
-
metasomatic rocks
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fenite (1)
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greisen (5)
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rodingite (1)
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serpentinite (3)
-
skarn (6)
-
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metavolcanic rocks (2)
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migmatites
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anatexite (4)
-
-
mylonites (2)
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quartzites (1)
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schists
-
muscovite schist (1)
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tourmalinite (1)
-
-
-
-
meteorites
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meteorites (1)
-
-
minerals
-
antimonites (1)
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arsenates (2)
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arsenides
-
lollingite (1)
-
-
arsenites (2)
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bismuthides (1)
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borates
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borax (1)
-
-
carbonates
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ankerite (2)
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bastnaesite (5)
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calcite (3)
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dawsonite (1)
-
dolomite (1)
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nahcolite (2)
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parisite (1)
-
rhodochrosite (1)
-
siderite (1)
-
-
halides
-
chlorides
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halite (1)
-
-
fluorides
-
bastnaesite (5)
-
cryolite (1)
-
fluorite (5)
-
parisite (1)
-
topaz (8)
-
triplite (4)
-
zinnwaldite (3)
-
-
-
manganese minerals (2)
-
minerals (2)
-
native elements
-
graphite (3)
-
-
oxalates
-
whewellite (1)
-
-
oxides
-
alexandrite (1)
-
baddeleyite (1)
-
brannerite (2)
-
brookite (1)
-
cassiterite (28)
-
chrysoberyl (6)
-
corundum (3)
-
diaspore (1)
-
gahnite (3)
-
goethite (1)
-
hercynite (2)
-
hydroxides (2)
-
ilmenite (3)
-
iron oxides (1)
-
leucoxene (1)
-
magnetite (3)
-
niobates
-
aeschynite (2)
-
betafite (1)
-
columbite (63)
-
euxenite (6)
-
fergusonite (1)
-
ixiolite (5)
-
pyrochlore (13)
-
samarskite (3)
-
tapiolite (9)
-
-
perovskite (1)
-
rutile (12)
-
sapphire (1)
-
spinel (2)
-
spinel group (2)
-
tantalates
-
betafite (1)
-
euxenite (6)
-
ixiolite (5)
-
microlite (13)
-
stibiotantalite (1)
-
tantalite (37)
-
wodginite (9)
-
-
titanium oxides (2)
-
uraninite (5)
-
wustite (1)
-
zirconolite (1)
-
-
phosphates
-
amblygonite (10)
-
apatite (20)
-
beraunite (1)
-
britholite (1)
-
chlorapatite (2)
-
crandallite (1)
-
eosphorite (3)
-
fluorapatite (13)
-
goyazite (4)
-
graftonite (5)
-
herderite (2)
-
hureaulite (2)
-
hydroxylapatite (3)
-
lazulite (1)
-
lithiophilite (9)
-
monazite (21)
-
montebrasite (14)
-
sarcopside (3)
-
strengite (1)
-
torbernite (1)
-
triphylite (10)
-
triplite (4)
-
vivianite (3)
-
wavellite (1)
-
xenotime (13)
-
-
platinum minerals (1)
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selenides (1)
-
selenites (1)
-
silicates
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aluminosilicates (2)
-
borosilicates (5)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
actinolite (1)
-
hornblende (2)
-
kaersutite (1)
-
pargasite (1)
-
-
orthoamphibole
-
holmquistite (1)
-
-
-
bavenite (4)
-
pyroxene group
-
clinopyroxene
-
aegirine (1)
-
diopside (2)
-
spodumene (36)
-
-
orthopyroxene (1)
-
-
rhodonite group
-
babingtonite (1)
-
-
wollastonite group
-
pectolite (1)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
adularia (1)
-
amazonite (5)
-
K-feldspar (16)
-
microcline (5)
-
orthoclase (2)
-
perthite (3)
-
-
plagioclase
-
albite (23)
-
oligoclase (1)
-
-
-
leucite (1)
-
nepheline group
-
nepheline (1)
-
-
silica minerals
-
cristobalite (2)
-
moganite (1)
-
opal
-
opal-A (1)
-
opal-CT (1)
-
-
quartz (25)
-
-
sodalite group
-
genthelvite (3)
-
helvite (8)
-
tugtupite (1)
-
-
zeolite group
-
analcime (3)
-
chabazite (2)
-
garronite (1)
-
gmelinite (1)
-
harmotome (1)
-
natrolite (1)
-
pollucite (15)
-
-
-
orthosilicates
-
nesosilicates
-
andalusite (2)
-
britholite group
-
britholite (1)
-
-
datolite group
-
datolite (1)
-
gadolinite (3)
-
-
dumortierite (1)
-
euclase (3)
-
garnet group
-
almandine (4)
-
spessartine (4)
-
-
olivine group
-
olivine (1)
-
-
phenakite group
-
eucryptite (1)
-
phenakite (5)
-
-
sillimanite (2)
-
titanite group
-
titanite (6)
-
-
topaz (8)
-
zircon group
-
thorite (2)
-
zircon (29)
-
-
-
sorosilicates
-
bertrandite (9)
-
epidote group
-
allanite (7)
-
epidote (4)
-
zoisite (1)
-
-
thalenite (1)
-
thortveitite group
-
thortveitite (1)
-
-
-
-
ring silicates
-
aquamarine (4)
-
beryl (42)
-
cordierite (5)
-
emerald (3)
-
labuntsovite (1)
-
milarite group
-
milarite (3)
-
-
tourmaline group
-
dravite (11)
-
elbaite (21)
-
foitite (4)
-
schorl (17)
-
uvite (6)
-
-
-
sheet silicates
-
cerolite (1)
-
chlorite group
-
chlorite (2)
-
cookeite (2)
-
sudoite (1)
-
-
clay minerals
-
dickite (1)
-
kaolinite (3)
-
montmorillonite (1)
-
nontronite (1)
-
vermiculite (1)
-
-
illite (1)
-
mica group
-
annite (3)
-
biotite (8)
-
celadonite (1)
-
lepidolite (30)
-
muscovite (37)
-
phengite (2)
-
phlogopite (3)
-
polylithionite (6)
-
zinnwaldite (3)
-
-
petalite (11)
-
sericite (1)
-
talc (1)
-
-
-
sulfates
-
alunite (1)
-
barite (1)
-
-
sulfides
-
bismuthinite (3)
-
chalcopyrite (2)
-
galena (1)
-
genthelvite (3)
-
helvite (8)
-
joseite (1)
-
mawsonite (1)
-
molybdenite (2)
-
pyrite (3)
-
sphalerite (1)
-
tetradymite (1)
-
-
sulfosalts
-
sulfarsenites
-
tennantite (1)
-
-
sulfobismuthites
-
emplectite (1)
-
-
-
tellurides
-
joseite (1)
-
tetradymite (1)
-
-
tungstates
-
ferberite (1)
-
scheelite (2)
-
wolframite (1)
-
-
uranium minerals (5)
-
vanadates (2)
-
wehrlite (1)
-
-
Primary terms
-
absolute age (25)
-
Africa
-
Central Africa
-
Congo Democratic Republic
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Kivu Congo Democratic Republic (3)
-
-
Rwanda (3)
-
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East Africa
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Mozambique (3)
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Tanzania (1)
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Zambia (1)
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Madagascar
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Antananarivo Madagascar (2)
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-
Mozambique Belt (1)
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North Africa
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Egypt
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Eastern Desert (1)
-
-
-
Southern Africa
-
Kaapvaal Craton (2)
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Kalahari Craton (1)
-
Namibia
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Damara Belt (1)
-
-
South Africa
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Mpumalanga South Africa
-
Barberton South Africa (1)
-
-
-
Swaziland (1)
-
Zimbabwe (2)
-
-
West African Craton (1)
-
-
Antarctica
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Antarctic Peninsula (1)
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East Antarctica (1)
-
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Arctic region
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Greenland
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Ilimaussaq (1)
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South Greenland (1)
-
-
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Asia
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Altai Mountains (8)
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Arabian Peninsula (1)
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Central Asia
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Kazakhstan (1)
-
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Far East
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Burma (1)
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China
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Anhui China (1)
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Chongqing China (1)
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Dabie Mountains (1)
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Fujian China (3)
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Henan China (1)
-
Hunan China (1)
-
Inner Mongolia China (1)
-
Jiangxi China (1)
-
Kunlun Mountains (3)
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Qaidam Basin (1)
-
Qinling Mountains (2)
-
Sulu Terrane (1)
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Tarim Platform (1)
-
Xinjiang China (3)
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Xizang China (3)
-
Yunnan China (1)
-
-
Japan
-
Kyushu
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Fukuoka Japan (1)
-
-
-
Vietnam (1)
-
-
Himalayas
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Garhwal Himalayas (1)
-
-
Indian Peninsula
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Afghanistan (1)
-
India
-
Bastar Craton (1)
-
Karnataka India
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Hassan India (1)
-
-
Rajasthan India (1)
-
Uttar Pradesh India (1)
-
Uttarakhand India
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Garhwal Himalayas (1)
-
-
-
Jammu and Kashmir
-
Kashmir (1)
-
-
Nepal (1)
-
Pakistan (3)
-
-
Kamchatka Russian Federation
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Kamchatka Peninsula
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Tolbachik (1)
-
-
-
Krasnoyarsk Russian Federation (1)
-
Maymecha-Kotuy (1)
-
Middle East
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Iran
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Sanandaj-Sirjan Zone (2)
-
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Iraq (1)
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Turkey
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Anatolia (1)
-
-
-
Russian Pacific region (1)
-
Siberia (2)
-
Tibetan Plateau (2)
-
Transbaikalia (3)
-
Tuva Russian Federation
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Sangilen Mountains (1)
-
-
Zabaykalskiy Russian Federation
-
Chita Russian Federation (1)
-
-
-
associations (1)
-
Atlantic Ocean
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North Atlantic
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North Sea
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East Shetland Basin (1)
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Viking Graben (1)
-
-
-
-
Australasia
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Australia
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South Australia
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Olympic Dam Deposit (1)
-
-
Tasmania Australia (1)
-
Victoria Australia (1)
-
Western Australia
-
Pilbara Craton (1)
-
Yilgarn (1)
-
Yilgarn Craton (1)
-
-
-
-
boron
-
B-11/B-10 (5)
-
-
boron deposits (1)
-
brines (2)
-
Canada
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Eastern Canada
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Baffin Island (1)
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James Bay Lowlands (1)
-
Maritime Provinces
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New Brunswick
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Fredericton New Brunswick (1)
-
-
Nova Scotia
-
Cape Breton Island (1)
-
Digby County Nova Scotia (1)
-
Yarmouth County Nova Scotia
-
Yarmouth Nova Scotia (1)
-
-
-
-
Meguma Terrane (2)
-
Ontario
-
Kenora District Ontario
-
Fort Hope Ontario (1)
-
-
Thunder Bay District Ontario
-
Marshall Lake (1)
-
-
-
Quebec
-
Monteregian Hills (1)
-
Rouville County Quebec
-
Mont-Saint-Hilaire Quebec (1)
-
-
-
-
Nunavut
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Baffin Island (1)
-
-
Selwyn Mountains (2)
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Western Canada
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Athabasca Basin (1)
-
British Columbia
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Revelstoke British Columbia (1)
-
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Canadian Cordillera (1)
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Manitoba
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Bernic Lake (3)
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Flin Flon Manitoba (1)
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Snow Lake Manitoba (1)
-
Tanco Pegmatite (12)
-
-
Northwest Territories (5)
-
Saskatchewan (1)
-
Yukon Territory
-
Whitehorse Yukon Territory (1)
-
-
-
-
carbon
-
C-13/C-12 (1)
-
-
Cenozoic
-
Quaternary
-
Pleistocene
-
Bishop Tuff (1)
-
-
-
Tertiary
-
Neogene
-
Miocene
-
Topopah Spring Member (1)
-
-
-
Paleogene
-
Oligocene (1)
-
Paleocene
-
lower Paleocene
-
Danian (1)
-
-
-
-
-
-
ceramic materials (2)
-
chemical analysis (3)
-
clay mineralogy (1)
-
climate change (1)
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coal deposits (1)
-
construction materials
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building stone (1)
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crushed stone (1)
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dimension stone (1)
-
-
crust (23)
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crystal chemistry (83)
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crystal growth (8)
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crystal structure (76)
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crystallography (4)
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data processing (5)
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deformation (8)
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diagenesis (1)
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earthquakes (1)
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economic geology (1)
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energy sources (1)
-
Europe
-
Alps
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Central Alps (3)
-
Eastern Alps
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Austroalpine Zone (1)
-
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Swiss Alps
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Southern Swiss Alps (1)
-
-
Western Alps (1)
-
-
Bergell Massif (1)
-
Carpathians
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Slovakian Carpathians
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Spis-Gemer (2)
-
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Tatra Mountains (1)
-
Western Carpathians (3)
-
-
Central Europe
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Austria
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Lower Austria (1)
-
-
Bohemian Massif (11)
-
Czech Republic
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Bohemia
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Prague Czech Republic (1)
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Czech Erzgebirge (1)
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Czech Sudeten Mountains (1)
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Moravia
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Brno Czech Republic (1)
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-
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Erzgebirge
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Czech Erzgebirge (1)
-
-
Germany
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Bavaria Germany (2)
-
-
Poland
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Dolnoslaskie Poland
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Strzegom-Sobotka Massif (2)
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Wroclaw Poland (1)
-
-
Jordanow Poland (2)
-
Lower Silesia (12)
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Polish Sudeten Mountains (6)
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Sowie Mountains (9)
-
-
Silesia (1)
-
Slovakia
-
Slovakian Carpathians
-
Spis-Gemer (2)
-
-
-
Sudeten Mountains
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Czech Sudeten Mountains (1)
-
Karkonosze Mountains (2)
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Polish Sudeten Mountains (6)
-
Sowie Mountains (9)
-
-
Switzerland
-
Swiss Alps
-
Southern Swiss Alps (1)
-
-
Ticino Switzerland (1)
-
-
Tatra Mountains (1)
-
-
Fennoscandian Shield (2)
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Murmansk Russian Federation
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Khibiny Mountains (1)
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Kola Peninsula (2)
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Lovozero Massif (1)
-
-
Southern Europe
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Iberian Peninsula
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Central Iberian Zone (3)
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Iberian Massif (2)
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Portugal
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Tras-os-Montes (1)
-
-
Spain
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Castilla y Leon Spain
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Salamanca Spain (2)
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Catalonia Spain (1)
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Galicia Spain
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Iberian Mountains (1)
-
-
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Italy
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Ivrea-Verbano Zone (1)
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Latium Italy
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Alban Hills (1)
-
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Liguria Italy
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Savona Italy (1)
-
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Lombardy Italy
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Sondrio Italy (1)
-
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Piemonte Italy (2)
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Trentino-Alto Adige Italy
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Trento Italy (1)
-
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Tuscany Italy
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Livorno Italy (1)
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Monte Capanne (1)
-
-
-
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Tornquist-Teisseyre Zone (1)
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Ukraine
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Kirovograd Ukraine (2)
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Ukrainian Shield (1)
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Variscides (4)
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Western Europe
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France
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Armorican Massif (2)
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Creuse France (1)
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Haute-Vienne France (1)
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Ireland
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Leinster (1)
-
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Scandinavia
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Finland
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Ostrobothnia Finland (1)
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Norway
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Hardangervidda (1)
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Nordland Norway (1)
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Rogaland Norway (1)
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Southern Norway (5)
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Telemark Norway
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Bamble Norway (1)
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Sweden
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Dalarna (1)
-
-
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United Kingdom
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Great Britain
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England
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Cornwall England (1)
-
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Scotland
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Aberdeenshire Scotland
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Great Glen Fault (1)
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Hebrides
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Inner Hebrides
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Isle of Skye (1)
-
-
-
Highland region Scotland
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Inverness-shire Scotland
-
Isle of Skye (1)
-
-
-
Moray Firth (1)
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Scottish Highlands (1)
-
-
-
-
-
-
evaporite deposits (1)
-
faults (14)
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feldspar deposits (1)
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folds (1)
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gems (14)
-
geochemistry (40)
-
geochronology (1)
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geomorphology (1)
-
geophysical methods (2)
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geothermal energy (3)
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glacial geology (3)
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ground water (4)
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heat flow (1)
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hydrogen
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D/H (2)
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deuterium (2)
-
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hydrology (1)
-
igneous rocks
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carbonatites (3)
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feldspathoid rocks (1)
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plutonic rocks
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anorthosite (1)
-
diorites
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tonalite (4)
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trondhjemite (2)
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-
gabbros (1)
-
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GeoRef Categories
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1-20 OF 474 RESULTS FOR
LCT-type pegmatite
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Journal Article
Bulk Composition of Mt. Mica Pegmatite, Maine, USA: IMPLICATIONS For the Origin of an Lct Type Pegmatite By Anatexis Available to Purchase
William Simmons, Alexander Falster, Karen Webber, Encarnación Roda-Robles, Andrew P. Boudreaux, Leah Rae Grassi, Gary Freeman
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 July 2016
The Canadian Mineralogist (2016) 54 (4): 1053–1070.
... of the SMD. Batches of anatectic melt accumulated and coalesced into a larger volume that subsequently formed the pegmatite. This is the first chemical evidence presented for the formation of an LCT type pegmatite by direct anatexis. § Corresponding author e-mail address : [email protected] 2...
Journal Article
Tourmaline geochemical and boron isotopic constraints on the magmatic-hydrothermal transition and Li mineralization in LCT-type pegmatites Available to Purchase
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 19 February 2025
GSA Bulletin (2025) 137 (7-8): 3021–3036.
...Wenjing Li; Bin Chen; Xiaodong Chen; Yang Sun; Shuaijie Liu Abstract The magmatic-hydrothermal transition in LCT-type pegmatites, which are enriched in lithium (Li), cesium (Cs), and tantalum (Ta), has received international attention because rare metal (e.g., Li) minerals reach saturation...
Journal Article
Lithium Potential of the Indian Granitic Pegmatites Available to Purchase
Publisher: Geological Society of India
Published: 01 July 2022
Jour. Geol. Soc. India (2022) 98 (7): 917–925.
... imagery and spectro-radiometric analysis, mapping of pegmatite veins may be carried out. As the LCT-type pegmatites are sourced mostly from previously un-melted, mica-enriched metamorphic rocks, muscovite and biotite groups of mica host bulk of the trace elements and thus fingerprint for the LCT-type...
Image
Global locations of important LCT-type pegmatites, with a list of main Li m... Available to Purchase
in Paragenesis of Li minerals in the Nanyangshan rare-metal pegmatite, Northern China: Toward a generalized sequence of Li crystallization in Li-Cs-Ta-type granitic pegmatites
> American Mineralogist
Published: 01 December 2022
Figure 8. Global locations of important LCT-type pegmatites, with a list of main Li minerals. References: 1 = Anderson et al. (2013) ; 2 = Bynoe (2014) ; 3 = Stilling et al. (2006) and Selway et al. (2000) ; 4 = Potter et al. (2009) ; 5 = Tindle and Breaks (2000) ; 6 = Sirbescu et al
Journal Article
Glacial dispersal of indicator minerals from the Brazil Lake lithium–caesium–tantalum pegmatites, SW Nova Scotia, Canada Open Access
M. Beth McClenaghan, Denise M. Brushett, Roger C. Paulen, Christopher E. Beckett-Brown, Jessey M. Rice
Publisher: Geological Society of London
Published: 31 March 2025
Geochemistry: Exploration, Environment, Analysis (2025) 25 (1): geochem2024-047.
...M. Beth McClenaghan; Denise M. Brushett; Roger C. Paulen; Christopher E. Beckett-Brown; Jessey M. Rice The Brazil Lake lithium-caesium-tantalum (LCT)-type pegmatites (North, South and Army Road pegmatites) in eastern Canada, were the focus of a detailed till study to document glacial dispersal...
Journal Article
GRANITIC PEGMATITES OF THE O’GRADY BATHOLITH, N.W.T., CANADA: A CASE STUDY OF THE EVOLUTION OF THE ELBAITE SUBTYPE OF RARE-ELEMENT GRANITIC PEGMATITE Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 February 2003
The Canadian Mineralogist (2003) 41 (1): 117–137.
..., they grade toward a distinct LCT-type signature (elbaite-bearing). The melts parental to the pegmatite bodies were more voluminous, more alkaline, less aluminous and less reduced than is the norm for melts parental to LCT-type pegmatite. Differentiation of these melts sequentially produced hornblende granite...
Journal Article
Textural and Mineralogical Evolution of the Little Nahanni Pegmatite Group (NWT, Canada) with Implications for Metasomatism, Rare-Metal Mineralization, and Pegmatite–Wall Rock Interaction Available to Purchase
Publisher: Mineralogical Association of Canada
Published: 20 July 2023
The Canadian Journal of Mineralogy and Petrology (2023) 61 (3): 467–505.
...Jérémie D. Pfister; Daniel J. Kontak; Lee A. Groat Abstract Situated in the Northwest Territories (Canada), the Cretaceous ( ca . 85 Ma) Little Nahanni Pegmatite Group is an LCT-type pegmatite swarm enriched in Li, Sn, and Ta. Displaying intensive albitization associated with rare-metal...
Journal Article
MINERALOGY AND GEOCHEMISTRY OF PHOSPHATES AND SILICATES IN THE SAPUCAIA PEGMATITE, MINAS GERAIS, BRAZIL: GENETIC IMPLICATIONS Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 December 2012
The Canadian Mineralogist (2012) 50 (6): 1531–1554.
... is a weakly fractionated and geochemically primitive LCT-type pegmatite. The degree of differentiation of the pegmatite increases from the border to the core, as shown by a decrease of Fe/(Fe + Mn) in olivine-type phosphates, which decreases from 0.75 in the IWZ, to 0.71 in the IZ. Muscovite and tourmaline...
Journal Article
GEOCHEMISTRY, MINERALOGY, AND EVOLUTION OF Li-Al MICAS AND FELDSPARS FROM THE MOUNT MICA PEGMATITE, MAINE, USA Available to Purchase
Karen L. Marchal, William B. Simmons, Alexander U. Falster, Karen L. Webber, Encarnación Roda-Robles
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 April 2014
The Canadian Mineralogist (2014) 52 (2): 221–233.
...Karen L. Marchal; William B. Simmons; Alexander U. Falster; Karen L. Webber; Encarnación Roda-Robles Abstract Mount Mica is a poorly zoned, sodic LCT-type pegmatite consisting dominantly of quartz, albite, and muscovite in the outer portion of the pegmatite. Micas are the principal K minerals...
Journal Article
Mineralogy and Geochemistry of Alkali Beryl from the Rare Metal Bearing Pegmatites of Marlagalla-Allapatna, Mandya District, Karnataka Available to Purchase
Publisher: Geological Society of India
Published: 01 December 1999
Jour. Geol. Soc. India (1999) 54 (6): 599–608.
... oxide (c. 11 % BeO) compared to normal beryl. Beryl occurs mostly between graphic intermediate zone and quartz core in the complexly zoned, spodumene-bearing Li-Cs-Ta (LCT) type pegmatites in this area. The average value (n = 7) for alkali beryl from this area are Na 2 O 1.26%, Li 2 O 0.6%, Cs 2 O, 0.74...
Journal Article
Tsilaisite, NaMn 3 Al 6 (Si 6 O 18 )(BO 3 ) 3 (OH) 3 OH, a new mineral species of the tourmaline supergroup from Grotta d’Oggi, San Pietro in Campo, island of Elba, Italy Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 May 2012
American Mineralogist (2012) 97 (5-6): 989–994.
...Ferdinando Bosi; Henrik Skogby; Giovanna Agrosì; Eugenio Scandale Abstract Tsilaisite, NaMn 3 Al 6 (Si 6 O 18 )(BO 3 ) 3 (OH) 3 OH, is a long-expected new mineral of the tourmaline supergroup. It occurs in an aplitic dike of a LCT-type pegmatite body from Grotta d’Oggi, San Pietro in Campo, island...
Journal Article
Fluor-tsilaisite, NaMn 3 Al 6 (Si 6 O 18 )(BO 3 ) 3 (OH) 3 F, a new tourmaline from San Piero in Campo (Elba, Italy) and new data on tsilaisitic tourmaline from the holotype specimen locality Available to Purchase
Journal: Mineralogical Magazine
Published: 01 February 2015
Mineralogical Magazine (2015) 79 (1): 89–101.
...Ferdinando Bosi; Giovanni B. Andreozzi; Giovanna Agrosì; Eugenio Scandale Abstract Fluor-tsilaisite, NaMn 3 Al 6 (Si 6 O 18 )(BO 3 ) 3 (OH) 3 F, is a new mineral of the tourmaline supergroup. It occurs in an aplitic dyke of a LCT-type pegmatite body from Grotta d'Oggi, San Piero in Campo, Elba...
Image
Comparison between some of the chemical features of the monazite-(Ce) and x... Available to Purchase
in Monazite-(Ce) and xenotime-(Y) microinclusions in fluorapatite of the pegmatites from the Volta Grande mine, Minas Gerais state, southeast Brazil, as witnesses of the dissolution–reprecipitation process
> Mineralogical Magazine
Published: 25 June 2019
). Mineral Monazite Monazite Xenotime Xenotime (Volta Grande) (Förster, 1998 a ) (Volta Grande) (Förster, 1998 b ) Rock host LCT-type pegmatite S-type Li-mica granites LCT-type pegmatite S-type Li-mica granites Host mineral Fluorapatite Li-mica or feldspar Fluorapatite Biotite
Image
Overview of tourmaline δ 11 B composition for the LCPB pegmatites. Results ... Available to Purchase
in The Chemical and B-Isotope Composition of Tourmaline from Intra-Granitic Pegmatites in the Las Chacras-Potrerillos Batholith, Argentina
> The Canadian Mineralogist
Published: 22 February 2022
Fig. 11. Overview of tourmaline δ 11 B composition for the LCPB pegmatites. Results are compared with tourmalines from LCT-type pegmatites (Peg.) in the Conlara (CMC) and Pringles (PMC) metamorphic complex, S-type granites in the CMC, as well as tourmalinites and tourmaline schists from outside
Image
(A) The Li 2 O–Al 2 O 3 –SiO 2 phase diagram after London (1984) used fo... Available to Purchase
in Textural and Mineralogical Evolution of the Little Nahanni Pegmatite Group (NWT, Canada) with Implications for Metasomatism, Rare-Metal Mineralization, and Pegmatite–Wall Rock Interaction
> The Canadian Journal of Mineralogy and Petrology
Published: 20 July 2023
Fig. 15. (A) The Li 2 O–Al 2 O 3 –SiO 2 phase diagram after London (1984) used for LCT-type pegmatite systems along with bounding isochores for H 2 O–CO 2 fluid inclusions hosted in quartz and spodumene from LNPG ( Burns 2019 ). The stages of pegmatite evolution (1→2→3→4) are discussed
Image
Comparison between the chemical signature of the fluorapatite from the pegm... Available to Purchase
in Monazite-(Ce) and xenotime-(Y) microinclusions in fluorapatite of the pegmatites from the Volta Grande mine, Minas Gerais state, southeast Brazil, as witnesses of the dissolution–reprecipitation process
> Mineralogical Magazine
Published: 25 June 2019
Table 4. Comparison between the chemical signature of the fluorapatite from the pegmatite body A of the Volta Grande mine and the apatite from felsic I-type and S-type granites (Sha and Chappel, 1999 ), LCT-type pegmatites (Cao et al. , 2013 ) and shoshonitic to high-K calc-alkaline granitic
Journal Article
Textural and isotopic studies of the Cretaceous Little Nahanni pegmatite group (NWT, Canada) suggests mixed fluid reservoirs during its evolution Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 30 September 2019
The Canadian Mineralogist (2019) 57 (5): 771–773.
... Pegmatite Group (LNPG) is an LCT-type pegmatite swarm enriched in Li, Sn and Ta. Although studied in the past, the origin of this pegmatite group, as well as its internal evolution, remains poorly understood. The dike swarm consists of 200+ sub-vertical dikes intruding a suite of metasedimentary units...
Journal Article
NATURE AND ORIGIN OF AN LCT-SUITE PEGMATITE WITH LATE-STAGE SODIUM ENRICHMENT, BRAZIL LAKE, YARMOUTH COUNTY, NOVA SCOTIA. II. IMPLICATIONS OF STABLE ISOTOPES (δ 18 O, δD) FOR MAGMA SOURCE, INTERNAL CRYSTALLIZATION AND NATURE OF SODIUM METASOMATISM Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 August 2009
The Canadian Mineralogist (2009) 47 (4): 745–764.
...Daniel J. Kontak; T. Kurtis Kyser Abstract The 395 Ma Brazil Lake granitic pegmatite, a rare occurrence of an LCT-type (Li–Cs–Ta) pegmatite in the Meguma Terrane of Nova Scotia, Canada, is hosted by metasedimentary and metavolcanic rocks of the Silurian White Rock Group. Previous mineralogical...
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Age distribution of different pegmatite types worldwide and resources of Li... Open Access
in The GREENPEG Project Toolset to Explore for Buried Pegmatites Hosting Lithium, High-Purity Quartz, and Other Critical Raw Materials
> Economic Geology
Published: 01 May 2025
Fig. 5. Age distribution of different pegmatite types worldwide and resources of Li and high-purity quartz. Simplified from McCauley and Bradley ( 2014 ). (A) LCT pegmatites. (B) NYF pegmatites. (C) Li resources in LCT pegmatites. (D) Highpurity quartz (with <50 ppm impurities) resources
Journal Article
THE PATTERNS OF ENRICHMENT IN FELSIC PEGMATITES ULTIMATELY DEPEND ON TECTONIC SETTING Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 December 2005
The Canadian Mineralogist (2005) 43 (6): 2027–2048.
... setting; in contrast, NYF (Nb–Y–F-enriched) pegmatites, are affiliated with anorogenic suites, formed in an extensional setting, and really not fundamentally different in petrogenetic lineage from suites in silica-undersaturated systems, including carbonatites. Both LCT and NYF types involve magmas...
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