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base metals (32)
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beryllium ores (5)
-
bismuth ores (8)
-
chromite ores (3)
-
cobalt ores (10)
-
copper ores (182)
-
gold ores (142)
-
IOCG deposits (11)
-
iron ores (76)
-
lead ores (50)
-
lead-zinc deposits (57)
-
lithium ores (1)
-
manganese ores (9)
-
molybdenum ores (54)
-
nickel ores (5)
-
niobium ores (4)
-
palladium ores (2)
-
platinum ores (6)
-
polymetallic ores (54)
-
rare earth deposits (5)
-
silver ores (70)
-
strontium ores (1)
-
tantalum ores (2)
-
thorium ores (1)
-
tin ores (35)
-
tungsten ores (70)
-
uranium ores (17)
-
zinc ores (62)
-
-
mineral deposits, genesis (318)
-
mineral exploration (64)
-
mineral resources (6)
-
petroleum
-
natural gas (1)
-
-
phosphate deposits (4)
-
placers (8)
-
ruby (3)
-
talc deposits (1)
-
tight sands (1)
-
-
elements, isotopes
-
boron
-
B-11/B-10 (1)
-
-
carbon
-
C-13/C-12 (27)
-
-
chemical ratios (2)
-
halogens
-
bromine (1)
-
chlorine
-
chloride ion (1)
-
-
fluorine
-
fluoride ion (2)
-
-
-
hydrogen
-
D/H (27)
-
deuterium (11)
-
-
isotope ratios (72)
-
isotopes
-
radioactive isotopes
-
Ar-40/Ar-39 (1)
-
Fe-59 (1)
-
Pb-206/Pb-204 (15)
-
Pb-207/Pb-204 (12)
-
Pb-208/Pb-204 (10)
-
Sm-147/Nd-144 (1)
-
-
stable isotopes
-
Ar-40/Ar-36 (1)
-
Ar-40/Ar-39 (1)
-
B-11/B-10 (1)
-
C-13/C-12 (27)
-
D/H (27)
-
deuterium (11)
-
He-4/He-3 (2)
-
Nd-144/Nd-143 (4)
-
O-18 (1)
-
O-18/O-16 (65)
-
Pb-206/Pb-204 (15)
-
Pb-207/Pb-204 (12)
-
Pb-208/Pb-204 (10)
-
S-34/S-32 (32)
-
Sm-147/Nd-144 (1)
-
Sr-87/Sr-86 (12)
-
-
-
large-ion lithophile elements (1)
-
Lu/Hf (1)
-
metals
-
actinides
-
thorium (7)
-
uranium (7)
-
-
alkali metals
-
lithium (3)
-
potassium (4)
-
sodium (2)
-
-
alkaline earth metals
-
barium (2)
-
beryllium (7)
-
calcium (8)
-
magnesium (9)
-
strontium
-
Sr-87/Sr-86 (12)
-
-
-
aluminum (6)
-
antimony (2)
-
arsenic (2)
-
bismuth (12)
-
cadmium (1)
-
chromium (2)
-
cobalt (2)
-
copper (15)
-
gold (12)
-
indium (2)
-
iron
-
Fe-59 (1)
-
ferric iron (6)
-
ferrous iron (4)
-
-
lead
-
Pb-206/Pb-204 (15)
-
Pb-207/Pb-204 (12)
-
Pb-208/Pb-204 (10)
-
-
manganese (7)
-
mercury (2)
-
molybdenum (5)
-
nickel (1)
-
niobium (4)
-
platinum group
-
palladium (1)
-
palladium ores (2)
-
platinum ores (6)
-
-
precious metals (9)
-
rare earths
-
cerium (6)
-
europium (5)
-
neodymium
-
Nd-144/Nd-143 (4)
-
Sm-147/Nd-144 (1)
-
-
samarium
-
Sm-147/Nd-144 (1)
-
-
yttrium (5)
-
-
rhenium (2)
-
silver (10)
-
tantalum (1)
-
tin (8)
-
titanium (6)
-
tungsten (7)
-
vanadium (2)
-
zinc (6)
-
zirconium (3)
-
-
nitrogen (2)
-
noble gases
-
argon
-
Ar-40/Ar-36 (1)
-
Ar-40/Ar-39 (1)
-
-
helium
-
He-4/He-3 (2)
-
-
-
oxygen
-
O-18 (1)
-
O-18/O-16 (65)
-
-
phosphorus (3)
-
silicon (1)
-
sulfur
-
S-34/S-32 (32)
-
-
tellurium (4)
-
trace metals (1)
-
-
fossils
-
Invertebrata
-
Mollusca
-
Gastropoda
-
Mesogastropoda
-
Cerithiidae (1)
-
-
-
-
-
microfossils
-
problematic microfossils (1)
-
-
problematic fossils
-
problematic microfossils (1)
-
-
-
geochronology methods
-
Ar/Ar (18)
-
K/Ar (12)
-
Lu/Hf (1)
-
paleomagnetism (4)
-
Pb/Pb (6)
-
Pb/Th (1)
-
radiation damage (3)
-
Rb/Sr (5)
-
Re/Os (17)
-
Sm/Nd (2)
-
Th/U (1)
-
thermochronology (2)
-
U/Pb (39)
-
U/Th/Pb (2)
-
-
geologic age
-
Cenozoic
-
lower Cenozoic (1)
-
Quaternary
-
Pleistocene (3)
-
-
Tertiary
-
Calipuy Group (1)
-
lower Tertiary (2)
-
middle Tertiary (1)
-
Neogene
-
Miocene
-
lower Miocene
-
Burdigalian (1)
-
-
upper Miocene (1)
-
-
Pliocene (2)
-
-
Paleogene
-
Eocene
-
lower Eocene
-
Ypresian (1)
-
-
middle Eocene (1)
-
-
Oligocene
-
upper Oligocene (1)
-
-
Paleocene (5)
-
-
-
upper Cenozoic (1)
-
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous
-
Albian
-
lower Albian (1)
-
-
Berriasian (1)
-
-
Middle Cretaceous (6)
-
Upper Cretaceous
-
Turonian (1)
-
-
-
Jurassic
-
Aztec Sandstone (1)
-
Lower Jurassic (1)
-
Middle Jurassic (2)
-
Upper Jurassic
-
Bowser Lake Group (1)
-
Kimmeridgian (1)
-
Portlandian (1)
-
Tithonian (2)
-
-
-
lower Mesozoic (2)
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (3)
-
-
Middle Triassic (1)
-
Nicola Group (3)
-
Upper Triassic (3)
-
-
upper Mesozoic (2)
-
Yanshanian (4)
-
-
Moldanubian (1)
-
Paleozoic
-
Cambrian
-
Lower Cambrian (2)
-
Middle Cambrian (2)
-
-
Carboniferous
-
Huanglong Formation (1)
-
Lower Carboniferous
-
Dinantian (1)
-
-
Mississippian (1)
-
Pennsylvanian (1)
-
Upper Carboniferous (2)
-
-
Devonian
-
Lower Devonian (1)
-
Middle Devonian (1)
-
Upper Devonian (1)
-
-
lower Paleozoic (4)
-
middle Paleozoic (1)
-
Ordovician
-
Lower Ordovician (1)
-
Upper Ordovician (4)
-
-
Permian
-
Lower Permian (2)
-
Upper Permian
-
Permian-Triassic boundary (3)
-
-
-
Silurian
-
Lower Silurian (5)
-
Upper Silurian (1)
-
-
upper Paleozoic (2)
-
-
Phanerozoic (2)
-
Precambrian
-
Archean
-
Mesoarchean (1)
-
Neoarchean (2)
-
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic
-
Shuangqiaoshan Group (1)
-
-
Neoproterozoic
-
Cryogenian (1)
-
Riphean
-
upper Riphean (1)
-
-
Vendian (1)
-
-
Paleoproterozoic
-
Aphebian (1)
-
Birimian (3)
-
Willyama Supergroup (1)
-
-
-
-
-
-
igneous rocks
-
igneous rocks
-
carbonatites (9)
-
granophyre (1)
-
hypabyssal rocks (2)
-
kimberlite (3)
-
picrite (1)
-
plutonic rocks
-
anorthosite (1)
-
diabase
-
tholeiitic dolerite (2)
-
-
diorites
-
diorite porphyry (1)
-
plagiogranite (2)
-
quartz diorites (2)
-
tonalite (1)
-
-
gabbros
-
norite (1)
-
troctolite (2)
-
-
granites
-
alaskite (1)
-
aplite (2)
-
A-type granites (1)
-
biotite granite (2)
-
granite porphyry (3)
-
granosyenite (1)
-
I-type granites (2)
-
leucogranite (5)
-
monzogranite (2)
-
S-type granites (1)
-
two-mica granite (2)
-
-
granodiorites
-
granodiorite porphyry (1)
-
-
lamprophyres (3)
-
monzodiorite (8)
-
monzonites (15)
-
pegmatite (20)
-
quartz monzonite (7)
-
syenites
-
albitite (3)
-
alkali syenites (2)
-
granosyenite (1)
-
nepheline syenite (2)
-
quartz syenite (1)
-
-
ultramafics
-
chromitite (2)
-
peridotites
-
dunite (2)
-
lherzolite (1)
-
-
pyroxenite
-
clinopyroxenite (2)
-
-
-
-
porphyry (26)
-
volcanic rocks
-
adakites (1)
-
andesites (4)
-
basalts
-
alkali basalts
-
spilite (3)
-
-
tholeiite (1)
-
trap rocks (1)
-
-
dacites (1)
-
komatiite (2)
-
phonolites (1)
-
pyroclastics
-
ash-flow tuff (1)
-
ignimbrite (6)
-
pumice (1)
-
tuff (1)
-
tuffite (2)
-
welded tuff (2)
-
-
rhyolites (4)
-
trachyandesites (1)
-
trachytes (1)
-
-
-
ophiolite (2)
-
volcanic ash (1)
-
wehrlite (1)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (8)
-
gneisses
-
biotite gneiss (6)
-
granite gneiss (1)
-
orthogneiss (2)
-
-
granulites (3)
-
hornfels (13)
-
listwanite (1)
-
marbles (38)
-
metaigneous rocks
-
meta-anorthosite (1)
-
metabasalt (1)
-
metabasite (1)
-
metakomatiite (3)
-
-
metasedimentary rocks
-
khondalite (1)
-
metapelite (2)
-
-
metasomatic rocks
-
fenite (2)
-
greisen
-
beresite (1)
-
-
skarn (631)
-
tactite (1)
-
-
metavolcanic rocks (6)
-
migmatites (1)
-
quartzites (5)
-
schists
-
greenstone (2)
-
-
slates (3)
-
-
ophiolite (2)
-
-
minerals
-
alloys
-
electrum (1)
-
hedleyite (2)
-
-
antimonates (1)
-
antimonides (1)
-
arsenates
-
mimetite (1)
-
-
arsenides
-
arsenopyrite (3)
-
cobaltite (1)
-
skutterudite (1)
-
sperrylite (1)
-
-
bismuthides
-
froodite (1)
-
-
borates
-
kotoite (2)
-
ludwigite (3)
-
sakhaite (1)
-
szaibelyite (1)
-
-
carbonates
-
ankerite (1)
-
aragonite (3)
-
azurite (2)
-
bastnaesite (3)
-
calcite (25)
-
cancrinite (1)
-
dolomite (7)
-
hydromagnesite (1)
-
kutnohorite (1)
-
malachite (2)
-
norsethite (1)
-
parisite (1)
-
rhodochrosite (1)
-
sakhaite (1)
-
siderite (2)
-
spurrite (10)
-
thaumasite (1)
-
-
copper minerals (1)
-
halides
-
chlorides
-
halite (2)
-
mimetite (1)
-
-
fluorides
-
bastnaesite (3)
-
clinohumite (1)
-
fluorite (11)
-
humite (2)
-
parisite (1)
-
topaz (1)
-
-
fluosilicates (1)
-
-
hydrates (2)
-
minerals (39)
-
molybdates
-
wulfenite (1)
-
-
native elements
-
graphite (1)
-
-
oxides
-
baddeleyite (3)
-
brucite (3)
-
cassiterite (5)
-
chrome spinel (1)
-
corundum (2)
-
gahnite (1)
-
geikielite (1)
-
gibbsite (1)
-
goethite (2)
-
hausmannite (1)
-
hematite (1)
-
hoegbomite (1)
-
hydroxides (1)
-
ilmenite (4)
-
iron oxides (12)
-
jacobsite (2)
-
lithiophorite (1)
-
magnesioferrite (1)
-
magnetite (34)
-
manganese oxides (2)
-
nigerite (2)
-
niobates
-
columbite (1)
-
pyrochlore (2)
-
-
periclase (1)
-
perovskite (5)
-
portlandite (3)
-
pyrolusite (1)
-
rutile (1)
-
sapphire (2)
-
spinel (10)
-
spinel group (3)
-
tantalates
-
microlite (1)
-
-
zirconolite (2)
-
-
phosphates
-
apatite (14)
-
britholite (2)
-
fluorapatite (3)
-
hydroxylapatite (1)
-
monazite (2)
-
-
selenides (1)
-
silicates
-
borosilicates (1)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
actinolite (3)
-
hastingsite (2)
-
hornblende (5)
-
pargasite (1)
-
richterite (1)
-
tremolite (4)
-
tschermakite (1)
-
-
orthoamphibole
-
anthophyllite (2)
-
gedrite (1)
-
-
-
prehnite (1)
-
pyroxene group
-
clinopyroxene
-
aegirine (1)
-
diopside (17)
-
fassaite (1)
-
hedenbergite (9)
-
johannsenite (3)
-
-
-
rhodonite group
-
babingtonite (2)
-
-
tobermorite (2)
-
wollastonite group
-
bustamite (1)
-
pectolite (1)
-
wollastonite (23)
-
-
xonotlite (2)
-
-
framework silicates
-
cancrinite (1)
-
danburite (1)
-
feldspar group
-
alkali feldspar
-
adularia (1)
-
celsian (1)
-
cryptoperthite (1)
-
hyalophane (1)
-
K-feldspar (2)
-
perthite (1)
-
sanidine (2)
-
-
barium feldspar
-
celsian (1)
-
hyalophane (1)
-
-
plagioclase
-
albite (1)
-
-
-
nepheline group
-
kalsilite (1)
-
-
scapolite group
-
scapolite (6)
-
-
silica minerals
-
quartz (25)
-
-
sodalite group
-
helvite (1)
-
sodalite (1)
-
-
zeolite group
-
natrolite (1)
-
thomsonite (1)
-
-
-
magnesian silicates (1)
-
orthosilicates
-
nesosilicates
-
braunite (1)
-
britholite group
-
britholite (2)
-
-
clinohumite (1)
-
datolite group
-
datolite (2)
-
gadolinite (2)
-
-
garnet group
-
almandine (3)
-
andradite (18)
-
grossular (15)
-
hydrogarnet
-
hibschite (1)
-
hydrogrossular (1)
-
-
spessartine (2)
-
uvarovite (1)
-
vanadium garnet (1)
-
-
harkerite (3)
-
humite (2)
-
larnite (5)
-
merwinite (4)
-
olivine group
-
forsterite (6)
-
monticellite (5)
-
olivine (5)
-
peridot (1)
-
tephroite (2)
-
-
phenakite group
-
phenakite (1)
-
willemite (1)
-
-
spurrite (10)
-
thaumasite (1)
-
titanite group
-
malayaite (3)
-
titanite (9)
-
-
topaz (1)
-
zircon group
-
zircon (26)
-
-
-
sorosilicates
-
axinite group (2)
-
bertrandite (2)
-
chevkinite group (1)
-
epidote group
-
allanite (6)
-
clinozoisite (2)
-
epidote (14)
-
-
ilvaite (5)
-
kilchoanite (1)
-
melilite group
-
akermanite (2)
-
gehlenite (10)
-
melilite (5)
-
-
pumpellyite group
-
pumpellyite (1)
-
-
vesuvianite (22)
-
-
-
ring silicates
-
aquamarine (2)
-
beryl (5)
-
cordierite (3)
-
emerald (3)
-
milarite group
-
osumilite (1)
-
-
scawtite (2)
-
tourmaline group
-
dravite (2)
-
-
-
sheet silicates
-
chlorite group
-
chlorite (2)
-
clinochlore (2)
-
-
clay minerals
-
allophane (2)
-
-
clintonite (3)
-
mica group
-
annite (2)
-
biotite (8)
-
muscovite (8)
-
phlogopite (9)
-
-
sericite (1)
-
serpentine group
-
serpentine (2)
-
-
stilpnomelane (1)
-
talc (2)
-
-
-
sulfates
-
anhydrite (2)
-
barite (2)
-
chalcanthite (1)
-
ettringite (1)
-
gypsum (1)
-
thaumasite (1)
-
-
sulfides
-
acanthite (2)
-
aikinite (2)
-
arsenopyrite (3)
-
bismuthinite (8)
-
bornite (4)
-
chalcopyrite (13)
-
cobaltite (1)
-
copper sulfides (2)
-
covellite (1)
-
djurleite (1)
-
galena (7)
-
helvite (1)
-
joseite (1)
-
molybdenite (16)
-
pentlandite (1)
-
pyrite (11)
-
pyrrhotite (6)
-
sphalerite (11)
-
talnakhite (1)
-
tetradymite (4)
-
-
sulfosalts
-
sulfantimonites
-
freibergite (1)
-
luzonite (1)
-
pyrargyrite (1)
-
tetrahedrite (1)
-
-
sulfarsenites
-
luzonite (1)
-
pearceite (1)
-
proustite (1)
-
-
sulfobismuthites
-
berryite (1)
-
cosalite (2)
-
emplectite (1)
-
hammarite (1)
-
lillianite (1)
-
wittichenite (4)
-
-
-
tellurides
-
hedleyite (2)
-
joseite (1)
-
tetradymite (4)
-
-
tungstates
-
scheelite (31)
-
wolframite (4)
-
-
uranium minerals (2)
-
vanadates (1)
-
wehrlite (1)
-
-
Primary terms
-
absolute age (63)
-
Africa
-
Central Africa
-
Angola (5)
-
Congo Democratic Republic
-
Shaba Congo Democratic Republic (5)
-
-
-
East Africa
-
Zambia (5)
-
-
Madagascar (5)
-
North Africa
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
High Atlas (3)
-
-
-
Morocco
-
Marrakech Morocco (2)
-
Moroccan Atlas Mountains
-
High Atlas (3)
-
-
-
-
Southern Africa
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1-20 OF 631 RESULTS FOR
skarn
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Journal Article
Multi-analytical characterization of an unusual epidote-supergroup mineral from Malmkärra, Sweden: Toward the new (OH)-analog of dollaseite-(Ce) Available to Purchase
Alice Taddei, Paola Bonazzi, Hans-Jürgen Förster, Patrick Casey, Dan Holtstam, Andreas Karlsson, Luca Bindi
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 April 2025
American Mineralogist (2025) 110 (4): 594–602.
...Alice Taddei; Paola Bonazzi; Hans-Jürgen Förster; Patrick Casey; Dan Holtstam; Andreas Karlsson; Luca Bindi Abstract A study of a skarn sample from the Malmkärra iron mines, Norberg, Västmanland (Sweden), revealed the occurrence of a peculiar epidote-supergroup mineral. It was examined using...
Includes: Supplemental Content
Journal Article
THE NATURE OF DARK COLORATION OF DEVONIAN CARBONATE ROCKS ( potentially petroleum-bearing within the Yenisei-Khatanga regional trough ) IN THE AMBARDAKH AREA ( Eastern Siberia ) Available to Purchase
Journal: Russian Geology and Geophysics
Publisher: Novosibirsk State University
Published: 01 January 2025
Russ. Geol. Geophys. (2025) 66 (1): 69–81.
...V.V. Pustylnikova; V.A. Muftakhov; A.N. Obukhov; A.M. Kirsanov Lithological studies of sedimentary rocks are often challenged by manifestations of the superimposed processes which are related neither to the stages of lithogenesis, nor to its zonality/direction. This can be exemplified by skarns...
Journal Article
Ehrigite, Bi 8 Te 3 , a New Member of the Tetradymite Group Available to Purchase
Publisher: Mineralogical Association of Canada
Published: 18 December 2024
The Canadian Journal of Mineralogy and Petrology (2024) 62 (6): 847–861.
... = 3, and V = 1152.771(7.554) Å 3 . Ehrigite occurs as sub-100-micron-sized grains in hedenbergite skarn from the abandoned Good Hope gold mine, Hedley district, British Columbia, Canada. The mineral and name have been approved by the IMA Commission on New Minerals and Mineral Nomenclature (proposal...
Journal Article
Generation of Cu-Au skarn mineralization by mafic magma recharge: Insights from the Bozymchak deposit in the Chatkal-Kurama region, Kyrgyzstan, West Tianshan Available to Purchase
Bo Zu, Hao Zhang, Guoxiang Chi, Rui Wang, Reimar Seltmann, A.E. Williams-Jones, Nikolay Pak, Chunji Xue
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 26 November 2024
GSA Bulletin (2025) 137 (5-6): 1964–1984.
... mineralization, as exemplified by the Bozymchak Cu-Au skarn deposit in the Chatkal-Kurama arc of Kyrgyzstan, West Tianshan. The Bozymchak intrusion associated with the mineralization comprises monzonite porphyry and granodiorite porphyry. A sensitive high-resolution ion microprobe zircon U-Pb age of 305 ± 2 Ma...
Journal Article
Crustal thickening and multipoint delamination for the ca. 90 Ma high-Sr/Y intrusions and the associated porphyry-skarn Cu-Au-Mo mineralization in the western central Lhasa terrane, Tibetan Plateau Available to Purchase
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 23 October 2024
GSA Bulletin (2025) 137 (3-4): 1504–1520.
... have provided favorable conditions for porphyry mineralization. However, conflicting geodynamic processes have been proposed, and their mineralization potential is unclear. Here, we report the newly discovered Banongzuosi porphyry-skarn Mo-Cu deposit and Qielong skarn Cu-Au and Rongqing porphyry-quartz...
Journal Article
LEAD-LEAD DATING REVEALS PERMIAN REMOBILIZATION OF NIOBIUM MINERALIZATION AT BAYAN OBO Available to Purchase
Lan Yang, Yang Li, Yu Liu, Xiao-Xiao Ling, Li-Guang Wu, Yan Yu, Li Yang, Wen-Xiang Meng, Guo-Ying Yan, Xian-Hua Li
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 September 2024
Economic Geology (2024) 119 (6): 1383–1391.
... (aeschynite, 342–1,006 ppm U). In combination with the deposit geology and petrographic observations, these ages link the Nb mineralization to ~270 Ma granites. As these granites are not particularly rich in Nb, skarn formation during granite emplacement is interpreted to have remobilized the existing Nb...
Includes: Supplemental Content
Journal Article
Contrasting Tectonomagmatic Conditions for Coexisting Iron Oxide-Apatite Deposits and Porphyry and Skarn Cu ± Au Deposits in the Middle-Lower Yangtze River Metallogenic Belt, China Open Access
Xuyang Meng, Jingwen Mao, Adam Simon, Chao Duan, Guiqing Xie, Huimin Su, Tong Hou, Ke Shi, Nian Chen
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 August 2024
Economic Geology (2024) 119 (5): 1059–1087.
... and skarn Cu ± Au (150–135 Ma) and IOA deposits (~130 Ma) that formed in transpressional and transtensional settings in the Middle-Lower Yangtze River metallogenic belt, China. Our estimates show that, compared to IOA deposits, the porphyry- and skarn-related magmas were relatively felsic, cooler, and more...
Includes: Supplemental Content
Journal Article
Magnesio-ferri-hornblende, ☐Ca 2 (Mg 4 Fe 3+ )[(Si 7 Al)O 22 ](OH) 2 , a new member of the amphibole supergroup Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 June 2024
American Mineralogist (2024) 109 (6): 1074–1084.
...Yongmei Zhang; Xuexiang Gu; Ting Li; Guang Fan; Yingshuai Zhang; Tao Wang; Jialin Wang Abstract Magnesio-ferri-hornblende, ideally ☐Ca 2 (Mg 4 Fe 3+ )[(Si 7 Al)O 22 ](OH) 2 , is a new mineral of the amphibole supergroup from the Husite granitic complex related to skarn-type Fe-Cu mineralization...
Includes: Supplemental Content
Journal Article
Carbon and Oxygen Stable Isotopes in Isochemical Contact Metamorphism (Case Study of the Kochumdek Aureole, East Siberia) Available to Purchase
E.V. Sokol, A.S. Deviatiiarova, A.N. Pyryaev, T.A. Bul’bak, A.A. Tomilenko, Yu.V. Seretkin, I.V. Pekov, A.V. Nekipelova, P.V. Khvorov
Journal: Russian Geology and Geophysics
Publisher: Novosibirsk State University
Published: 01 May 2024
Russ. Geol. Geophys. (2024) 65 (5): 594–608.
... aureoles demonstrate similar coupled δ 18 O–δ 13 C decreasing trends from the field of marine limestone, to the protolith/marble transition (Δδ 18 O –18 to –10‰ and Δδ 13 C –16 to –5‰), and on to zones of metasomatism, skarn, and vein mineralization. These patterns imply phase transformations involving...
Includes: Supplemental Content
Journal Article
Scheelite composition fingerprints pulsed flow of magmatic fluid in the Fujiashan W skarn deposit, eastern China Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 April 2024
American Mineralogist (2024) 109 (4): 747–763.
...YunHao Ji; GuiQing Xie; Rolf L. Romer; Wei Li; QiaoQiao Zhu; Bin Fu Abstract Scheelite (CaWO 4 ) is an economically important W mineral in skarns that form when magmatic fluids exsolved from a granitic intrusion react with carbonate wall rocks. In the Fujiashan W skarn deposit, scheelite formed...
Includes: Supplemental Content
Journal Article
Copper skarn mineralization related to reduced monzodioritic magma at the Huanren deposit, northeastern China Open Access
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 09 February 2024
GSA Bulletin (2024) 136 (9-10): 3569–3590.
...Hegen Ouyang; John Caulfield; Guiqing Xie; Chao Duan; Jingwen Mao; Xin Li Abstract Most known copper (Cu) skarns are associated with oxidized intrusions. In this contribution, we report a Cu skarn associated with a reduced monzodioritic intrusion at Huanren, northeastern China, which contains 0.41...
Journal Article
Exploration Guides for High-Grade Hypogene Porphyry Copper Deposits Available to Purchase
Journal: SEG Discovery
Publisher: Society of Economic Geologists
Published: 01 October 2023
SEG Discovery (2023) (135): 13–25.
... stockworks, magmatic-hydrothermal breccias, vuggy residual quartz or vein systems in telescoped lithocaps, proximal skarns, carbonate-replacement mantos and pipes, low-permeability barriers, and reactive mafic host rocks—either alone or in various combinations—are identified as particularly favorable...
Journal Article
Multiple fluid sources in skarn systems: Oxygen isotopic evidence from the Haobugao Zn-Fe-Sn deposit in the southern Great Xing’an Range, NE China Available to Purchase
Lijie Liu, Taofa Zhou, Bin Fu, Trevor R. Ireland, Dayu Zhang, Guangxian Liu, Feng Yuan, Xiangping Zha, Noel C. White
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 October 2023
American Mineralogist (2023) 108 (10): 1957–1972.
...Lijie Liu; Taofa Zhou; Bin Fu; Trevor R. Ireland; Dayu Zhang; Guangxian Liu; Feng Yuan; Xiangping Zha; Noel C. White Abstract Diverse fluid sources and complex fluid flow paths in skarn systems appear to be well documented. Nevertheless, in situ microanalysis of oxygen isotopes by secondary ion...
Includes: Supplemental Content
Journal Article
The trace-element compositions of amphibole, magnetite and ilmenite as potential exploration guides to metamorphosed Proterozoic Cu–Zn±Pb±Au±Ag volcanogenic massive sulfide deposits in Colorado, USA Available to Purchase
Paul G. Spry, Edward H. Berke, Dan Layton-Matthews, Alexandre Voinot, Adriana Heimann, Graham S. Teale, Anette von der Handt
Journal: Mineralogical Magazine
Published: 11 September 2023
Mineralogical Magazine (2024) 88 (1): 61–89.
... to ore-forming processes that are distinct for different ore deposit types. Hence the trace-element compositions of magnetite can be used to characterise a particular ore type (e.g. magnetite-bearing ore deposits including Ni–Cu–PGE, banded iron formation (BIF), iron oxide–Cu–Au (IOCG), skarn, porphyry...
Journal Article
Helvine Mineralization in Devonian-Carboniferous Skarns of the Oriental Pampean Ranges, Córdoba, Argentina: Mineralogy and Nature of Ore-Forming Fluids Available to Purchase
Publisher: Mineralogical Association of Canada
Published: 07 July 2023
The Canadian Journal of Mineralogy and Petrology (2023) 61 (2): 313–350.
...Raúl Lira; María J. Espeche; Natalia A. Bonadeo; Michael J. Dorais Abstract Helvine [Be 3 Mn 2+ 4 (SiO 4 ) 3 S] occurs in less than one meter-sized spotty concentrations in some calcic skarns of Córdoba province, Argentina. The local geology, mineral chemistry, paragenetic mineral associations...
Journal Article
Physicochemical evolution and mechanism of a skarn system: Insights from the world-class Mazraeh Cu deposit, NW Iran Available to Purchase
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 30 June 2023
GSA Bulletin (2024) 136 (1-2): 351–370.
...Shahrokh Rajabpour; Shohreh Hassanpour; Shao-Yong Jiang Abstract The Mazraeh Cu skarn deposit, NW Iran, is situated at the lithological contact between an Oligo–Miocene granodiorite and Cretaceous limestones. The causative granodiorite has I-type medium- to high-K calc-alkaline composition...
Journal Article
Fluorbritholite-(Nd), Ca 2 Nd 3 (SiO 4 ) 3 F, a new and key mineral for neodymium sequestration in REE skarns Open Access
Journal: Mineralogical Magazine
Published: 08 June 2023
Mineralogical Magazine (2023) 87 (5): 731–737.
... of the apatite supergroup. It occurs in skarn from the Malmkärra iron mine, Norberg, Västmanland (one of the Bastnäs-type deposits in Sweden), associated with calcite, dolomite, magnetite, lizardite, talc, fluorite, baryte, scheelite, gadolinite-(Nd) and other REE minerals. Fluorbritholite-(Nd) forms anhedral...
Journal Article
Petrographic and geochemical evidence of calc-silicate xenolith – magma interaction in the western Bushveld Complex, South Africa Available to Purchase
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 June 2023
South African Journal of Geology (2023) 126 (2): 127–150.
... magmatic skarn that contains several small, cm- to dm-scale, calc-silicate fragments displaying the same peak assemblage as the main xenolith, as well as a dm-scale chromitite autolith and mm- to dm-scale lenses and stringer-like masses of fine-grained uvarovite. The skarn matrix is mineralogically zoned...
Journal Article
Melt inclusion evidence for limestone assimilation, calc-silicate melts, and “magmatic skarn” Open Access
Journal: Geology
Publisher: Geological Society of America
Published: 17 March 2023
Geology (2023) 51 (5): 491–495.
.... Melt inclusions in endoskarn from the Chating Cu-Au deposit in eastern China reveal that the calc-silicate assemblage (diopside + andradite ± wollastonite ± epidote) was molten at the time of skarn formation and coexisted with CO 2 vapor as well as sulfate- and chloride-salt melts. Hence, we argue...
Journal Article
Zinconigerite-2 N 1 S ZnSn 2 Al 12 O 22 (OH) 2 and zinconigerite-6 N 6 S Zn 3 Sn 2 Al 16 O 30 (OH) 2 , two new minerals of the nolanite-spinel polysomatic series from the Xianghualing skarn, Hunan Province, China Available to Purchase
Can Rao, Xiangping Gu, Rucheng Wang, Qunke Xia, Chuanwan Dong, Frédéric Hatert, Fabrice Dal Bo, Xuege Yu, Wumengyu Wang
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 03 October 2022
American Mineralogist (2022) 107 (10): 1952–1959.
... ( N ) and spinel ( S ) modules. Both phases have been discovered in the Xianghualing skarn, Hunan Province, China. Zinconigerite-2 N 1 S (zn-2 N 1 S ) and zinconigerite-6 N 6 S (zn-6 N 6 S ) are named for their chemical composition, number, and ratios of N-S modules, according to the nomenclature...
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skarn
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