Skip Nav Destination
Close Modal
tetrahedra
Update search
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
East Africa
-
Tanzania (1)
-
-
Madagascar (4)
-
Mozambique Belt (1)
-
Southern Africa
-
Namibia
-
Tsumeb Namibia (1)
-
-
South Africa
-
Cape Province region (1)
-
Northern Cape Province South Africa
-
Postmasburg South Africa (1)
-
-
-
-
-
Asia
-
Far East
-
China
-
Qinghai China (1)
-
-
Japan
-
Honshu
-
Gifu Japan
-
Toki Japan (1)
-
-
Okayama Japan (1)
-
-
-
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Tolbachik (10)
-
-
-
Middle East
-
Jordan (1)
-
-
Russian Pacific region (5)
-
Tajikistan (1)
-
-
Atlantic Ocean
-
North Atlantic
-
North Sea (1)
-
-
-
Australasia
-
Australia
-
Broken Hill Block (1)
-
Curnamona Province (1)
-
New South Wales Australia (2)
-
Western Australia (1)
-
-
-
Broken Hill (2)
-
Canada
-
Western Canada
-
Athabasca Basin (1)
-
Saskatchewan (1)
-
-
-
Clara Mine (1)
-
Clear Creek (2)
-
Commonwealth of Independent States
-
Ossetia (1)
-
Russian Federation
-
Central Urals (1)
-
Chelyabinsk Russian Federation (1)
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Tolbachik (10)
-
-
-
Murmansk Russian Federation
-
Khibiny Mountains (1)
-
Kola Peninsula (2)
-
Monchegorsk Russian Federation (1)
-
-
Russian Pacific region (5)
-
-
Tajikistan (1)
-
Urals
-
Central Urals (1)
-
-
-
Death Valley (1)
-
Europe
-
Alps
-
Eastern Alps
-
Koralpe Range (3)
-
-
Western Alps (1)
-
-
Central Europe
-
Austria
-
Koralpe Range (3)
-
Styria Austria (1)
-
-
Czech Republic (3)
-
Germany
-
Baden-Wurttemberg Germany (1)
-
Saxony Germany
-
Schneeberg Germany (1)
-
-
Thuringia Germany (1)
-
-
Switzerland (1)
-
-
Murmansk Russian Federation
-
Khibiny Mountains (1)
-
Kola Peninsula (2)
-
Monchegorsk Russian Federation (1)
-
-
Ossetia (1)
-
Pyrenees
-
French Pyrenees (1)
-
-
Southern Europe
-
Greece
-
Greek Macedonia
-
Vourinos (1)
-
-
Sterea Ellas
-
Laurion Greece (1)
-
-
-
Iberian Peninsula
-
Spain (1)
-
-
Italy
-
Campania Italy
-
Vesuvius (1)
-
-
Liguria Italy (1)
-
Lombardy Italy (1)
-
Sicily Italy
-
Mount Etna (1)
-
-
-
Macedonia
-
Greek Macedonia
-
Vourinos (1)
-
-
-
-
Western Europe
-
France
-
Ariege France (1)
-
Brittany (1)
-
Finistere France (1)
-
French Pyrenees (1)
-
Isere France
-
Grenoble France (1)
-
-
Var France (1)
-
-
Scandinavia
-
Denmark
-
Stevns Klint (1)
-
-
Norway
-
Oslo Graben (1)
-
Telemark Norway (1)
-
-
Sweden
-
Varmland Sweden (1)
-
-
-
United Kingdom
-
Great Britain
-
England
-
Cornwall England (1)
-
-
Scotland (1)
-
-
-
-
-
Furnace Creek (1)
-
Indian Ocean Islands
-
Madagascar (4)
-
-
Mexico (1)
-
South America
-
Argentina
-
San Juan Argentina (1)
-
-
Bolivia
-
Potosi Bolivia (1)
-
-
Brazil
-
Amazonas Brazil (1)
-
-
Chile
-
Atacama Chile (1)
-
-
-
United States
-
Arizona
-
Yavapai County Arizona (1)
-
-
California
-
Inyo County California (2)
-
San Benito County California (2)
-
-
Nevada
-
Lander County Nevada (1)
-
-
New Hampshire
-
Grafton County New Hampshire (1)
-
-
Oregon
-
Columbia County Oregon (1)
-
Malheur County Oregon (1)
-
-
South Dakota
-
Custer County South Dakota (1)
-
-
Utah
-
Duchesne County Utah (1)
-
San Juan County Utah (2)
-
Tintic mining district (1)
-
-
Washington (1)
-
-
-
commodities
-
borate deposits (1)
-
coal deposits (1)
-
construction materials
-
cement materials (1)
-
-
glass materials (4)
-
industrial minerals (2)
-
metal ores
-
gold ores (2)
-
lead ores (1)
-
lead-zinc deposits (1)
-
manganese ores (1)
-
niobium ores (1)
-
polymetallic ores (2)
-
silver ores (1)
-
tantalum ores (1)
-
tin ores (1)
-
uranium ores (2)
-
zinc ores (1)
-
-
mineral deposits, genesis (1)
-
-
elements, isotopes
-
boron
-
B-11/B-10 (2)
-
-
carbon (1)
-
halogens
-
chlorine
-
chloride ion (1)
-
-
fluorine (4)
-
-
hydrogen (9)
-
isotope ratios (2)
-
isotopes
-
radioactive isotopes (1)
-
stable isotopes
-
Al-27 (2)
-
B-11/B-10 (2)
-
Os-188/Os-187 (1)
-
Si-29 (1)
-
-
-
metals
-
actinides
-
thorium (1)
-
-
alkali metals
-
cesium (2)
-
lithium (1)
-
potassium (3)
-
sodium (4)
-
-
alkaline earth metals
-
barium (1)
-
beryllium (5)
-
calcium (9)
-
magnesium (10)
-
strontium (3)
-
-
aluminum
-
Al-27 (2)
-
-
arsenic (7)
-
bismuth (1)
-
chromium (4)
-
cobalt (3)
-
copper (6)
-
gallium (4)
-
germanium (2)
-
gold (2)
-
iron
-
ferric iron (15)
-
ferrous iron (4)
-
-
lead (11)
-
manganese (5)
-
mercury (1)
-
nickel (1)
-
platinum group
-
osmium
-
Os-188/Os-187 (1)
-
-
-
rare earths
-
scandium (1)
-
yttrium (1)
-
-
titanium (3)
-
vanadium (4)
-
zinc (2)
-
-
nitrogen (1)
-
oxygen (4)
-
phosphorus (1)
-
silicon
-
Si-29 (1)
-
-
tellurium (1)
-
-
geochronology methods
-
radiation damage (1)
-
Re/Os (1)
-
-
geologic age
-
Cenozoic
-
Tertiary
-
Neogene
-
Miocene
-
upper Miocene (1)
-
-
Pliocene
-
lower Pliocene (1)
-
-
-
Paleogene
-
Paleocene
-
lower Paleocene
-
K-T boundary (1)
-
-
-
-
-
-
Mesozoic
-
Cretaceous
-
Upper Cretaceous
-
K-T boundary (1)
-
Maestrichtian (1)
-
Senonian (1)
-
-
-
-
Precambrian
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic (1)
-
Paleoproterozoic (2)
-
-
-
-
-
igneous rocks
-
igneous rocks
-
carbonatites (1)
-
plutonic rocks
-
granites (10)
-
pegmatite (10)
-
syenites (1)
-
-
volcanic rocks
-
dacites (1)
-
glasses
-
obsidian (1)
-
-
pyroclastics
-
pumice (1)
-
scoria (3)
-
-
trachytes (1)
-
-
-
ophiolite (1)
-
-
metamorphic rocks
-
metamorphic rocks
-
garnetite (1)
-
marbles (1)
-
metasomatic rocks
-
rodingite (1)
-
-
schists (1)
-
-
ophiolite (1)
-
-
meteorites
-
meteorites
-
iron meteorites
-
octahedrite (1)
-
-
stony meteorites
-
achondrites
-
Martian meteorites
-
SNC Meteorites
-
chassignite (1)
-
nakhlite (1)
-
shergottite (1)
-
-
-
-
-
-
-
minerals
-
arsenates
-
mimetite (2)
-
pharmacosiderite (1)
-
-
arsenides
-
arsenopyrite (2)
-
lollingite (1)
-
-
arsenites (2)
-
borates
-
boracite (1)
-
-
carbonates
-
calcite (1)
-
cancrinite (4)
-
leadhillite (1)
-
meionite (2)
-
smithsonite (1)
-
witherite (1)
-
-
chromates (2)
-
copper minerals (5)
-
halides
-
chlorides
-
boracite (1)
-
mimetite (2)
-
pyromorphite (1)
-
vanadinite (1)
-
-
fluorides
-
cryolite (1)
-
humite (1)
-
triplite (1)
-
-
zunyite (1)
-
-
hydrates (4)
-
iodates (1)
-
manganese minerals (2)
-
minerals (28)
-
molybdates
-
powellite (1)
-
-
oxides
-
corundum (1)
-
cuprite (1)
-
ferrihydrite (2)
-
gahnite (3)
-
germanates (1)
-
goethite (2)
-
hausmannite (1)
-
hematite (6)
-
hercynite (1)
-
hydroxides (1)
-
ilmenite (1)
-
iron oxides (1)
-
limonite (1)
-
magnesioferrite (1)
-
magnetite (2)
-
periclase (1)
-
perovskite (3)
-
pseudobrookite (1)
-
rutile (1)
-
spinel (4)
-
spinel group (2)
-
titanium oxides (1)
-
titanomagnetite (1)
-
ulvospinel (1)
-
wustite (1)
-
zincite (2)
-
-
phosphates
-
apatite (2)
-
autunite (2)
-
barbosalite (1)
-
chlorapatite (1)
-
crandallite (1)
-
fluorapatite (2)
-
graftonite (1)
-
hureaulite (1)
-
hydroxylapatite (1)
-
lazulite (2)
-
lithiophilite (1)
-
monazite (1)
-
pyromorphite (1)
-
rockbridgeite (1)
-
sarcopside (1)
-
strengite (1)
-
torbernite (1)
-
triphylite (2)
-
triplite (1)
-
turquoise (1)
-
variscite (1)
-
vivianite (1)
-
xenotime (2)
-
-
selenates (1)
-
selenites (2)
-
silicates
-
aluminosilicates (2)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
pargasite (1)
-
richterite (1)
-
tremolite (1)
-
-
-
pyroxene group
-
clinopyroxene
-
chrome diopside (1)
-
diopside (3)
-
spodumene (1)
-
-
orthopyroxene
-
enstatite (2)
-
-
-
wollastonite group
-
wollastonite (1)
-
-
-
feldspathoids (2)
-
framework silicates
-
cancrinite (4)
-
danburite (1)
-
feldspar group
-
alkali feldspar
-
adularia (1)
-
anorthoclase (1)
-
microcline (1)
-
orthoclase (2)
-
perthite (1)
-
sanidine (2)
-
-
barium feldspar
-
paracelsian (2)
-
-
plagioclase
-
albite (6)
-
anorthite (1)
-
reedmergnerite (2)
-
-
-
leucite (1)
-
nepheline group
-
kalsilite (1)
-
nepheline (1)
-
-
scapolite group
-
meionite (2)
-
scapolite (3)
-
-
silica minerals
-
coesite (2)
-
cristobalite (1)
-
moganite (2)
-
quartz (7)
-
tridymite (1)
-
-
sodalite group
-
genthelvite (1)
-
helvite (1)
-
sodalite (1)
-
tugtupite (1)
-
-
zeolite group
-
analcime (2)
-
clinoptilolite (2)
-
faujasite (1)
-
heulandite (1)
-
wairakite (1)
-
-
-
magnesian silicates (4)
-
orthosilicates
-
nesosilicates
-
braunite (1)
-
garnet group
-
almandine (1)
-
andradite (1)
-
grossular (2)
-
hydrogarnet
-
hydrogrossular (1)
-
-
pyrope (1)
-
spessartine (1)
-
-
harkerite (1)
-
humite (1)
-
olivine group
-
fayalite (1)
-
forsterite (4)
-
olivine (2)
-
ringwoodite (2)
-
wadsleyite (2)
-
-
phenakite group
-
willemite (1)
-
-
sillimanite (1)
-
staurolite (2)
-
titanite group
-
titanite (2)
-
-
uranophane (2)
-
zircon group
-
zircon (1)
-
-
-
sorosilicates
-
melilite group
-
akermanite (1)
-
melilite (1)
-
-
zunyite (1)
-
-
-
ring silicates
-
beryl (3)
-
cordierite (1)
-
milarite group
-
milarite (2)
-
osumilite (1)
-
-
tourmaline group
-
dravite (1)
-
elbaite (3)
-
schorl (1)
-
uvite (1)
-
-
-
sheet silicates
-
apophyllite (1)
-
chlorite group
-
chamosite (1)
-
chlorite (1)
-
clinochlore (1)
-
-
clay minerals
-
beidellite (1)
-
halloysite (2)
-
kaolinite (2)
-
nontronite (2)
-
smectite (7)
-
-
clintonite (1)
-
gillespite (1)
-
gyrolite (1)
-
illite (4)
-
mica group
-
biotite (1)
-
phengite (2)
-
phlogopite (1)
-
-
palygorskite (1)
-
sepiolite (2)
-
serpentine group
-
antigorite (2)
-
cronstedtite (1)
-
lizardite (1)
-
serpentine (2)
-
-
stilpnomelane (1)
-
talc (2)
-
zussmanite (1)
-
-
-
sulfates
-
anglesite (2)
-
barite (3)
-
brochantite (2)
-
celestine (1)
-
chalcanthite (3)
-
epsomite (1)
-
gypsum (2)
-
kieserite (1)
-
langbeinite (2)
-
leadhillite (1)
-
posnjakite (1)
-
selenite (1)
-
-
sulfides
-
arsenopyrite (2)
-
galena (1)
-
genthelvite (1)
-
helvite (1)
-
sphalerite (2)
-
-
tellurates (1)
-
tellurides (1)
-
tellurites (1)
-
uranium minerals (4)
-
vanadates
-
vanadinite (1)
-
volborthite (1)
-
-
-
Primary terms
-
absolute age (1)
-
Africa
-
East Africa
-
Tanzania (1)
-
-
Madagascar (4)
-
Mozambique Belt (1)
-
Southern Africa
-
Namibia
-
Tsumeb Namibia (1)
-
-
South Africa
-
Cape Province region (1)
-
Northern Cape Province South Africa
-
Postmasburg South Africa (1)
-
-
-
-
-
Asia
-
Far East
-
China
-
Qinghai China (1)
-
-
Japan
-
Honshu
-
Gifu Japan
-
Toki Japan (1)
-
-
Okayama Japan (1)
-
-
-
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Tolbachik (10)
-
-
-
Middle East
-
Jordan (1)
-
-
Russian Pacific region (5)
-
Tajikistan (1)
-
-
Atlantic Ocean
-
North Atlantic
-
North Sea (1)
-
-
-
atmosphere (1)
-
Australasia
-
Australia
-
Broken Hill Block (1)
-
Curnamona Province (1)
-
New South Wales Australia (2)
-
Western Australia (1)
-
-
-
boron
-
B-11/B-10 (2)
-
-
Canada
-
Western Canada
-
Athabasca Basin (1)
-
Saskatchewan (1)
-
-
-
carbon (1)
-
Cenozoic
-
Tertiary
-
Neogene
-
Miocene
-
upper Miocene (1)
-
-
Pliocene
-
lower Pliocene (1)
-
-
-
Paleogene
-
Paleocene
-
lower Paleocene
-
K-T boundary (1)
-
-
-
-
-
-
chemical analysis (1)
-
clay mineralogy (8)
-
coal deposits (1)
-
construction materials
-
cement materials (1)
-
-
crust (1)
-
crystal chemistry (109)
-
crystal growth (8)
-
crystal structure (195)
-
crystallography (2)
-
data processing (7)
-
deformation (3)
-
Earth (1)
-
Europe
-
Alps
-
Eastern Alps
-
Koralpe Range (3)
-
-
Western Alps (1)
-
-
Central Europe
-
Austria
-
Koralpe Range (3)
-
Styria Austria (1)
-
-
Czech Republic (3)
-
Germany
-
Baden-Wurttemberg Germany (1)
-
Saxony Germany
-
Schneeberg Germany (1)
-
-
Thuringia Germany (1)
-
-
Switzerland (1)
-
-
Murmansk Russian Federation
-
Khibiny Mountains (1)
-
Kola Peninsula (2)
-
Monchegorsk Russian Federation (1)
-
-
Ossetia (1)
-
Pyrenees
-
French Pyrenees (1)
-
-
Southern Europe
-
Greece
-
Greek Macedonia
-
Vourinos (1)
-
-
Sterea Ellas
-
Laurion Greece (1)
-
-
-
Iberian Peninsula
-
Spain (1)
-
-
Italy
-
Campania Italy
-
Vesuvius (1)
-
-
Liguria Italy (1)
-
Lombardy Italy (1)
-
Sicily Italy
-
Mount Etna (1)
-
-
-
Macedonia
-
Greek Macedonia
-
Vourinos (1)
-
-
-
-
Western Europe
-
France
-
Ariege France (1)
-
Brittany (1)
-
Finistere France (1)
-
French Pyrenees (1)
-
Isere France
-
Grenoble France (1)
-
-
Var France (1)
-
-
Scandinavia
-
Denmark
-
Stevns Klint (1)
-
-
Norway
-
Oslo Graben (1)
-
Telemark Norway (1)
-
-
Sweden
-
Varmland Sweden (1)
-
-
-
United Kingdom
-
Great Britain
-
England
-
Cornwall England (1)
-
-
Scotland (1)
-
-
-
-
-
geochemistry (9)
-
geophysics (3)
-
hydrogen (9)
-
igneous rocks
-
carbonatites (1)
-
plutonic rocks
-
granites (10)
-
pegmatite (10)
-
syenites (1)
-
-
volcanic rocks
-
dacites (1)
-
glasses
-
obsidian (1)
-
-
pyroclastics
-
pumice (1)
-
scoria (3)
-
-
trachytes (1)
-
-
-
inclusions (2)
-
Indian Ocean Islands
-
Madagascar (4)
-
-
industrial minerals (2)
-
intrusions (2)
-
isotopes
-
radioactive isotopes (1)
-
stable isotopes
-
Al-27 (2)
-
B-11/B-10 (2)
-
Os-188/Os-187 (1)
-
Si-29 (1)
-
-
-
lava (1)
-
magmas (3)
-
mantle (7)
-
Mesozoic
-
Cretaceous
-
Upper Cretaceous
-
K-T boundary (1)
-
Maestrichtian (1)
-
Senonian (1)
-
-
-
-
metal ores
-
gold ores (2)
-
lead ores (1)
-
lead-zinc deposits (1)
-
manganese ores (1)
-
niobium ores (1)
-
polymetallic ores (2)
-
silver ores (1)
-
tantalum ores (1)
-
tin ores (1)
-
uranium ores (2)
-
zinc ores (1)
-
-
metals
-
actinides
-
thorium (1)
-
-
alkali metals
-
cesium (2)
-
lithium (1)
-
potassium (3)
-
sodium (4)
-
-
alkaline earth metals
-
barium (1)
-
beryllium (5)
-
calcium (9)
-
magnesium (10)
-
strontium (3)
-
-
aluminum
-
Al-27 (2)
-
-
arsenic (7)
-
bismuth (1)
-
chromium (4)
-
cobalt (3)
-
copper (6)
-
gallium (4)
-
germanium (2)
-
gold (2)
-
iron
-
ferric iron (15)
-
ferrous iron (4)
-
-
lead (11)
-
manganese (5)
-
mercury (1)
-
nickel (1)
-
platinum group
-
osmium
-
Os-188/Os-187 (1)
-
-
-
rare earths
-
scandium (1)
-
yttrium (1)
-
-
titanium (3)
-
vanadium (4)
-
zinc (2)
-
-
metamorphic rocks
-
garnetite (1)
-
marbles (1)
-
metasomatic rocks
-
rodingite (1)
-
-
schists (1)
-
-
metamorphism (3)
-
metasomatism (5)
-
meteorites
-
iron meteorites
-
octahedrite (1)
-
-
stony meteorites
-
achondrites
-
Martian meteorites
-
SNC Meteorites
-
chassignite (1)
-
nakhlite (1)
-
shergottite (1)
-
-
-
-
-
-
Mexico (1)
-
mineral deposits, genesis (1)
-
mineralogy (7)
-
minerals (28)
-
nitrogen (1)
-
oxygen (4)
-
paragenesis (2)
-
petrology (1)
-
phase equilibria (12)
-
phosphorus (1)
-
Precambrian
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic (1)
-
Paleoproterozoic (2)
-
-
-
-
sedimentary rocks
-
carbonate rocks
-
chalk (1)
-
-
chemically precipitated rocks
-
evaporites
-
salt (1)
-
-
-
clastic rocks
-
bentonite (1)
-
-
gas shale (1)
-
-
sediments
-
clastic sediments
-
boulders (1)
-
-
-
silicon
-
Si-29 (1)
-
-
soils (1)
-
South America
-
Argentina
-
San Juan Argentina (1)
-
-
Bolivia
-
Potosi Bolivia (1)
-
-
Brazil
-
Amazonas Brazil (1)
-
-
Chile
-
Atacama Chile (1)
-
-
-
spectroscopy (4)
-
standard materials (1)
-
tellurium (1)
-
United States
-
Arizona
-
Yavapai County Arizona (1)
-
-
California
-
Inyo County California (2)
-
San Benito County California (2)
-
-
Nevada
-
Lander County Nevada (1)
-
-
New Hampshire
-
Grafton County New Hampshire (1)
-
-
Oregon
-
Columbia County Oregon (1)
-
Malheur County Oregon (1)
-
-
South Dakota
-
Custer County South Dakota (1)
-
-
Utah
-
Duchesne County Utah (1)
-
San Juan County Utah (2)
-
Tintic mining district (1)
-
-
Washington (1)
-
-
weathering (1)
-
X-ray analysis (1)
-
-
sedimentary rocks
-
sedimentary rocks
-
carbonate rocks
-
chalk (1)
-
-
chemically precipitated rocks
-
evaporites
-
salt (1)
-
-
-
clastic rocks
-
bentonite (1)
-
-
gas shale (1)
-
-
-
sedimentary structures
-
channels (1)
-
-
sediments
-
sediments
-
clastic sediments
-
boulders (1)
-
-
-
-
soils
-
soils (1)
-
GeoRef Categories
Era and Period
Epoch and Age
Date
Availability
1-20 OF 238 RESULTS FOR
tetrahedra
Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Sort by
Journal Article
Controls on tetrahedral Fe(III) abundance in 2:1 phyllosilicates—Reply
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 September 2021
American Mineralogist (2021) 106 (9): 1536.
...Javier Cuadros; Joseph R. Michalski; M. Darby Dyar Abstract The model of Fe 3+ distribution between octahedra and tetrahedra in dioctahedral smectites by Decarreau and Petit (2014) used data from infrared analysis. From their own and other general evidence, the resulting data are likely...
Journal Article
Controls on tetrahedral Fe(III) abundance in 2:1 phyllosilicates—Discussion
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 September 2021
American Mineralogist (2021) 106 (9): 1534–1535.
... + ⋅ A l 6 3 + ] / [ F e 6 3 + ⋅ A l 4 3 + ] , ( F e 4 3 + = Fe 3+ /(Fe 3+ +Al 3+ ) molar ratio in tetrahedra, 4 and 6 referring to tetrahedral and octahedral sites (similar relations for Al 3+ ), and a Kd (4/6) value of 0.006 was obtained...
Journal Article
Raman spectroscopic quantification of tetrahedral boron in synthetic aluminum-rich tourmaline
Martin Kutzschbach, Bernd Wunder, Iris Wannhoff, Franziska D.H. Wilke, Frédéric Couffignal, Alexander Rocholl
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 June 2021
American Mineralogist (2021) 106 (6): 872–882.
Journal Article
Vasilseverginite, Cu 9 O 4 (AsO 4 ) 2 (SO 4 ) 2 , a new fumarolic mineral with a hybrid structure containing novel anion-centered tetrahedral structural units
Igor V. Pekov, Sergey N. Britvin, Sergey V. Krivovichev, Vasiliy O. Yapaskurt, Marina F. Vigasina, Anna G. Turchkova, Evgeny G. Sidorov
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 April 2021
American Mineralogist (2021) 106 (4): 633–640.
... 1 , 212). The crystal structure, solved using single-crystal X-ray diffraction data, R 1 = 0.025, is based upon complex [O 4 Cu 9 ] 10+ layers parallel to ( 1 01) that are composed of edge- and corner-sharing (OCu 4 ) tetrahedra. The topology is unprecedented in inorganic structural chemistry...
Journal Article
A structure hierarchy for silicate minerals: chain, ribbon, and tube silicates
Journal: Mineralogical Magazine
Published: 26 February 2020
Mineralogical Magazine (2020) 84 (2): 165–244.
...Maxwell C. Day; Frank C. Hawthorne Abstract A structure hierarchy is developed for chain-, ribbon- and tube-silicate based on the connectedness of one-dimensional polymerisations of (TO 4 ) n − tetrahedra, where T = Si 4+ plus P 5+ , V 5+ , As 5+ , Al 3+ , Fe 3+ , B 3+ , Be 2+ , Zn 2+ and Mg 2...
Journal Article
Dissolution of poorly soluble uranyl phosphate phases in the Metaautunite Subgroup under uranyl peroxide cage cluster forming conditions
Haylie L. Lobeck, Enrica Balboni, Connor J. Parker, Tsuyoshi A. Kohlgruber, Mengyu Xu, Sara Boukdad, Henry M. Ridder, Hrafn Traustason, Jordan K. Isner, Ewa A. Dzik, Peter C. Burns
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 February 2020
American Mineralogist (2020) 105 (2): 182–193.
.... Each uranyl phosphate studied has a topologically identical anionic sheet of uranyl square bipyramids and phosphate tetrahedra combined with various cations (Li + , Na + , K + , Rb + , Cs + , Mg 2+ , Ca 2+ , Ba 2+ ) and water in the interlayer. Uranyl peroxides formed under many of the experimental...
Journal Article
Controls on tetrahedral Fe(III) abundance in 2:1 phyllosilicates
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 November 2019
American Mineralogist (2019) 104 (11): 1608–1619.
... that does not balance efficiently the negative charge of oxide anions in corner-shared tetrahedra. Iron(III), however, with a trivalent charge and smaller radius (tetrahedral ionic radius of 0.57 Å; Whittaker and Muntus 1970 ) mitigates totally or partially these hindrances. The distribution of Fe(III...
Journal Article
Comments on Beryl Colors and on Other Observations Regarding Iron-containing Beryls
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 15 July 2019
The Canadian Mineralogist (2019) 57 (4): 551–566.
...+ and Fe 3+ ions in neighboring T(3) tetrahedra. When both configurations are present, the crystal assumes a shade of green, depending on their relative proportion. The electrons released by the irradiation are trapped at sites which are probably associated with water molecules in the beryl channels...
Journal Article
Structural interpretation of a new twin in staurolite from Coray, Brittany, France
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 July 2019
European Journal of Mineralogy (2019) 31 (4): 785–790.
... plane leads to a highly disrupted coordination, where only half of the tetrahedra are restored. This makes a contact twin highly unlikely. The reported twin is actually a penetration twin, in which the irregular composition surface may have compensated, to some extent, the unfavourable structural match...
Includes: Supplemental Content
Journal Article
Dokuchaevite, Cu 8 O 2 (VO 4 ) 3 Cl 3 , a new mineral with remarkably diverse Cu 2+ mixed-ligand coordination environments
Oleg I. Siidra, Evgeny V. Nazarchuk, Anatoly N. Zaitsev, Yury S. Polekhovsky, Thomas Wenzel, John Spratt
Journal: Mineralogical Magazine
Published: 24 June 2019
Mineralogical Magazine (2019) 83 (5): 749–755.
..., which demonstrate the remarkable diversity of Cu 2+ mixed-ligand coordination environments. The crystal structure of dokuchaevite is based on OCu 4 tetrahedra that share common corners thus forming [O 2 Cu 6 ] 8+ single chains. Two of the eight symmetrically independent copper atoms do not form Cu–O...
Journal Article
Segelerite from the Mount Deverell variscite deposit, Western Australia. Hydrogen bonding and relationship to jahnsite
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 May 2019
European Journal of Mineralogy (2019) 31 (3): 465–471.
... of both minerals comprise heteropolyhedral slabs of composition [ XM 1 Fe 2 3 + (OH) 2 (PO 4 ) 4 ], that are linked together via corner-sharing of PO 4 tetrahedra with isolated [ M 2(O p ) 2 (H 2 O) 4 ] octahedra. The structures differ in the mode of linkage of the M 2 octahedra, which is via trans O p...
Includes: Supplemental Content
Journal Article
Qatranaite, CaZn 2 (OH) 6 ∙2H 2 O: a new mineral from altered pyrometamorphic rocks of the Hatrurim Complex, Daba-Siwaqa, Jordan
Yevgeny Vapnik, Evgeny V. Galuskin, Irina O. Galuskina, Joachim Kusz, Marta Stasiak, Tomasz Krzykawski, Mateusz Dulski
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 May 2019
European Journal of Mineralogy (2019) 31 (3): 575–584.
... 2 ) 2 ] polyhedra which share the four hydroxyl oxygen atoms with the Zn-centred tetrahedra. The main bands in the Raman spectrum of qatranaite are related to vibrations in Zn OH 4 2 - tetrahedra (cm −1 ): 297, 344 (ν 2 + ν 4 ); 440, 449, 479 (ν 1 + ν 3 ); 990 (νZn–O–Zn); 1065 (νZn–OH). Strong bands...
Includes: Supplemental Content
Journal Article
Kenngottite, Mn 3 2 + Fe 4 3 + (PO 4 ) 4 (OH) 6 (H 2 O) 2 : a new phosphate mineral from Krásno near Horní Slavkov, Czech Republic
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 May 2019
European Journal of Mineralogy (2019) 31 (3): 629–636.
.... The chains are corner-connected along [100] to linear corner-shared trimers of Fe-centred octahedra and along [010] via corner-connected PO 4 tetrahedra. Monoclinic kenngottite is structurally related to triclinic souzalite and gormanite. It is named in honor of the prominent mineralogist Prof. Gustav Adolf...
Includes: Supplemental Content
Journal Article
Distribution of Cr 3+ between octahedral and tetrahedral sites in synthetic blue and green (CaMgSi 2 O 6 ) 95 (CaCrAlSiO 6 ) 5 diopsides
Journal: Mineralogical Magazine
Published: 12 February 2019
Mineralogical Magazine (2019) 83 (4): 497–505.
... that of the latter (11.86 Å 3 ); the T O 4 tetrahedra in the blue diopside (<λ tet > =1.006; σ θ(tet) 2 = 24.37–24.69) are less distorted than that of the green diopside (<λ tet > = 1.007; σ θ(tet) 2 = 27.94); the M 1O 6 octahedra in the former (<λ oct > =1.006; σ θ(oct) 2 = 20.39–21.13) are more...
Journal Article
Ozerovaite, Na 2 KAl 3 (AsO 4 ) 4 , new mineral species from Tolbachik volcano, Kamchatka peninsula, Russia
Andrey P. Shablinskii, Stanislav K. Filatov, Lidiya P. Vergasova, Eugeniya YU. Avdontseva, Svetlana V. Moskaleva, Aleksey V. Povolotskiy
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 January 2019
European Journal of Mineralogy (2019) 31 (1): 159–166.
... tetrahedra, linked by the corners and edges. Adjacent layers are held together by six- and four-coordinated Na and six-coordinated K polyhedra. The eight strongest diagnostic lines of the X-ray powder diffraction pattern are ( I , d in Å , hkl ]: 44, 10.37, 020; 47, 5.47, 200; 47, 4.84, 220; 17, 3.76, 240...
Includes: Supplemental Content
Journal Article
The crystal-structure determination and redefinition of eztlite, Pb 2 2+ Fe 3 3+ (Te 4+ O 3 ) 3 (SO 4 )O 2 Cl
Owen P. Missen, Stuart J. Mills, John Spratt, Mark D. Welch, William D. Birch, Michael S. Rumsey, Jan Vylita
Journal: Mineralogical Magazine
Published: 01 December 2018
Mineralogical Magazine (2018) 82 (6): 1355–1367.
... and chloride. The crystal structure of eztlite contains mitridatite-like layers, with a repeating triangular nonameric [ ${\rm Fe}_9^{3 +} $ O 36 ] 45– arrangement formed by nine edge-sharing Fe 3+ O 6 octahedra, decorated by four trigonal pyramidal Te 4+ O 3 groups, compared to PO 4 or AsO 4 tetrahedra...
Journal Article
Redcanyonite, (NH 4 ) 2 Mn[(UO 2 ) 4 O 4 (SO 4 ) 2 ](H 2 O) 4 , a new zippeite-group mineral from the Blue Lizard mine, San Juan County, Utah, USA
Travis A. Olds, Jakub Plášil, Anthony R. Kampf, Peter C. Burns, Barbara P. Nash, Joe Marty, Timothy P. Rose, Shawn M. Carlson
Journal: Mineralogical Magazine
Published: 01 December 2018
Mineralogical Magazine (2018) 82 (6): 1261–1275.
... chains of uranyl pentagonal bipyramids linked by sulfate tetrahedra to form sheets. The sheets are linked to each other through bonds to interlayer NH 4 + groups and octahedrally coordinated Mn 2+ , and by hydrogen bonds from H 2 O groups. Redcanyonite is named for Red Canyon in southeast Utah, USA...
Journal Article
Solution mechanisms of COHN fluids in melts to upper mantle temperature, pressure, and redox conditions
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 November 2018
American Mineralogist (2018) 103 (11): 1780–1788.
... species with, respectively, n and n–1 bridging O atoms. The formulation in parentheses, (NH 2 ), (CH 3 ), and (OH), is meant to indicate that those functional groups replace one or more oxygen in the silicate tetrahedra. There is no evidence for O-NH 2 or O-CH 3 bonding. Therefore, a solution of reduced C...
Journal Article
Belousovite, KZn(SO 4 )Cl, a new sulfate mineral from the Tolbachik volcano with apophyllite sheet-topology.
Oleg I. Siidra, Evgeny V. Nazarchuk, Evgeniya A. Lukina, Anatoly N. Zaitsev, Vladimir V. Shilovskikh
Journal: Mineralogical Magazine
Published: 01 October 2018
Mineralogical Magazine (2018) 82 (5): 1079–1088.
... are formed by corner sharing mixed-ligand ZnO 3 Cl tetrahedra and SO 4 tetrahedra. The topology of [ZnSO 4 Cl] – layers in belousovite is identical to [Si 4 O 10 ] 4– layers in the minerals of the apophyllite group. A review of mixed-ligand ZnO m Cl n coordination polyhedra in minerals and inorganic...
Journal Article
Preparation and characterization of Na 1.5 K 0.5 Ca 6 Si 4 O 15 (Na 1.5 K 0.5 Ca 6 [SiO 4 ] 2 [Si 2 O 7 ]) and Na 1.41 K 0.19 Ca 2.20 Si 2 O 7 : two new phases in the system Na 2 O–K 2 O–CaO–SiO 2
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 September 2018
European Journal of Mineralogy (2018) 30 (5): 957–966.
... reflections and 249 parameters. Phase I is a mixed-anion silicate and contains insular [SiO 4 ] tetrahedra as well as [Si 2 O 7 ] dimers in the ratio 2:1. The cation distribution of the sodium, potassium and calcium ions among the eight different non-tetrahedral M -sites has been studied by simultaneously...
Includes: Supplemental Content