Skip Nav Destination
Close Modal
RESULTS FOR
natrocarbonatites
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
-
Afar (1)
-
Cape Verde Islands (1)
-
Central Africa
-
Angola (2)
-
Central African Republic (1)
-
-
East Africa
-
Ethiopia (1)
-
Kenya
-
Kenya Rift valley (1)
-
-
Lake Natron (1)
-
Malawi (2)
-
Tanzania
-
Laetoli (1)
-
Oldoinyo Lengai (24)
-
-
Zambia (4)
-
-
East African Lakes
-
Lake Baringo (1)
-
Lake Natron (1)
-
-
East African Rift (6)
-
Gregory Rift (2)
-
Madagascar
-
Antananarivo Madagascar (1)
-
-
North Africa
-
Morocco (1)
-
-
Southern Africa
-
South Africa
-
KwaZulu-Natal South Africa (1)
-
North-West Province South Africa (1)
-
Transvaal region (1)
-
-
-
Zambezi Valley (1)
-
-
Arctic region
-
Greenland
-
Igaliku Complex (1)
-
Ilimaussaq (2)
-
South Greenland (2)
-
-
-
Asia
-
Far East
-
China
-
Dabie Mountains (1)
-
Inner Mongolia China (2)
-
Liaoning China
-
Liaodong Peninsula (1)
-
-
-
Japan
-
Honshu
-
Shimane Japan (1)
-
-
-
-
Indian Peninsula
-
India
-
Andhra Pradesh India (1)
-
Gujarat India
-
Amba Dongar (1)
-
-
Southern Granulite Terrain (1)
-
Tamil Nadu India
-
Kodaikanal India (1)
-
-
-
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Avacha (1)
-
-
-
Koryak Range (1)
-
Russian Far East (1)
-
Russian Pacific region (1)
-
Sakhalin Russian Federation
-
Kuril Islands
-
Etorofu Island
-
Kudryavyy (1)
-
-
-
-
Tajikistan (2)
-
Western Transbaikalia (1)
-
Yakutia Russian Federation
-
Udachnaya Pipe (3)
-
Udachnaya Russian Federation (1)
-
-
-
Atlantic Ocean
-
North Atlantic
-
North Sea
-
Gullfaks Field (1)
-
-
-
-
Atlantic Ocean Islands
-
Cape Verde Islands (1)
-
-
Australasia
-
Australia
-
Western Australia (1)
-
-
New Zealand
-
Westland New Zealand (1)
-
-
-
Canada
-
Eastern Canada
-
Ontario (2)
-
Quebec
-
Oka Complex (1)
-
-
-
Ungava (1)
-
-
Clara Mine (1)
-
Commonwealth of Independent States
-
Russian Federation
-
Bashkortostan Russian Federation (1)
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Avacha (1)
-
-
-
Koryak Range (1)
-
Murmansk Russian Federation
-
Khibiny Mountains (5)
-
Kola Peninsula (7)
-
Kovdor Massif (1)
-
Lovozero Massif (2)
-
-
Russian Far East (1)
-
Russian Fennoscandia (1)
-
Russian Pacific region (1)
-
Sakhalin Russian Federation
-
Kuril Islands
-
Etorofu Island
-
Kudryavyy (1)
-
-
-
-
Western Transbaikalia (1)
-
Yakutia Russian Federation
-
Udachnaya Pipe (3)
-
Udachnaya Russian Federation (1)
-
-
-
Tajikistan (2)
-
Urals
-
Southern Urals (1)
-
-
-
Europe
-
Bashkortostan Russian Federation (1)
-
Central Europe
-
Black Forest (1)
-
Germany
-
Baden-Wurttemberg Germany (1)
-
Eifel (2)
-
-
Slovakia (1)
-
-
Fennoscandia
-
Russian Fennoscandia (1)
-
-
Fennoscandian Shield (1)
-
Murmansk Russian Federation
-
Khibiny Mountains (5)
-
Kola Peninsula (7)
-
Kovdor Massif (1)
-
Lovozero Massif (2)
-
-
Rhenish Schiefergebirge
-
Eifel (2)
-
-
Southern Europe
-
Iberian Peninsula
-
Central Iberian Zone (1)
-
Spain
-
Iberian Mountains (1)
-
-
-
Italy
-
Umbria Italy (1)
-
-
-
Variscides (1)
-
Western Europe
-
France
-
Pas-de-Calais France (1)
-
Pyrenees-Atlantiques France (1)
-
-
Ireland (1)
-
Scandinavia
-
Norway (2)
-
-
-
-
Indian Ocean Islands
-
Madagascar
-
Antananarivo Madagascar (1)
-
-
-
Lake Victoria (3)
-
North America
-
Canadian Shield
-
Churchill Province
-
Cape Smith fold belt (1)
-
-
-
-
Red Sea region (1)
-
Russian Platform
-
Russian Fennoscandia (1)
-
-
South America
-
Brazil
-
Goias Brazil (1)
-
Mato Grosso Brazil (1)
-
Minas Gerais Brazil (1)
-
-
-
South Island (1)
-
United States
-
California (2)
-
Midcontinent (1)
-
-
Vulture Mountain (1)
-
White Island (1)
-
-
commodities
-
brines (1)
-
diamond deposits (1)
-
glass materials (1)
-
metal ores
-
beryllium ores (1)
-
gold ores (1)
-
iron ores (1)
-
nickel ores (1)
-
niobium ores (1)
-
rare earth deposits (3)
-
zirconium ores (1)
-
-
mineral deposits, genesis (6)
-
mineral exploration (1)
-
oil and gas fields (1)
-
petroleum (1)
-
phosphate deposits (1)
-
sodium carbonate (3)
-
-
elements, isotopes
-
boron (2)
-
carbon
-
C-13/C-12 (14)
-
-
halogens
-
bromine (1)
-
chlorine
-
chloride ion (1)
-
-
fluorine
-
fluoride ion (1)
-
-
-
hydrogen
-
deuterium (1)
-
-
isotope ratios (32)
-
isotopes
-
radioactive isotopes
-
Pb-206/Pb-204 (5)
-
Pb-207/Pb-204 (3)
-
Pb-208/Pb-204 (3)
-
Pb-210 (1)
-
Po-210 (1)
-
Ra-226 (1)
-
Rb-87/Sr-86 (2)
-
Sm-147/Nd-144 (1)
-
Th-230 (1)
-
U-238 (1)
-
U-238/Pb-204 (1)
-
-
stable isotopes
-
C-13/C-12 (14)
-
deuterium (1)
-
Hf-177/Hf-176 (1)
-
Mg-25/Mg-24 (1)
-
Mg-26/Mg-24 (1)
-
N-15/N-14 (1)
-
Nd-144/Nd-143 (8)
-
O-18/O-16 (15)
-
Pb-206/Pb-204 (5)
-
Pb-207/Pb-204 (3)
-
Pb-207/Pb-206 (3)
-
Pb-208 (1)
-
Pb-208/Pb-204 (3)
-
Rb-87/Sr-86 (2)
-
S-34/S-32 (3)
-
Sm-147/Nd-144 (1)
-
Sr-87/Sr-86 (12)
-
-
-
metals
-
actinides
-
thorium
-
Th-230 (1)
-
-
uranium
-
U-238 (1)
-
U-238/Pb-204 (1)
-
-
-
alkali metals
-
cesium (2)
-
lithium (1)
-
potassium (5)
-
rubidium
-
Rb-87/Sr-86 (2)
-
-
sodium (2)
-
-
alkaline earth metals
-
barium (3)
-
calcium (2)
-
magnesium
-
Mg-25/Mg-24 (1)
-
Mg-26/Mg-24 (1)
-
-
radium
-
Ra-226 (1)
-
-
strontium
-
Rb-87/Sr-86 (2)
-
Sr-87/Sr-86 (12)
-
-
-
bismuth (1)
-
copper (1)
-
gold (1)
-
hafnium
-
Hf-177/Hf-176 (1)
-
-
iron (2)
-
lead
-
Pb-206/Pb-204 (5)
-
Pb-207/Pb-204 (3)
-
Pb-207/Pb-206 (3)
-
Pb-208 (1)
-
Pb-208/Pb-204 (3)
-
Pb-210 (1)
-
U-238/Pb-204 (1)
-
-
manganese (3)
-
niobium (2)
-
platinum group (1)
-
polonium
-
Po-210 (1)
-
-
rare earths
-
cerium (4)
-
lanthanum (1)
-
neodymium
-
Nd-144/Nd-143 (8)
-
Sm-147/Nd-144 (1)
-
-
samarium
-
Sm-147/Nd-144 (1)
-
-
yttrium (3)
-
-
titanium (2)
-
vanadium (1)
-
zirconium (1)
-
-
nitrogen
-
N-15/N-14 (1)
-
-
noble gases
-
radon (1)
-
-
oxygen
-
O-18/O-16 (15)
-
-
phosphorus (3)
-
silicon (1)
-
sulfur
-
S-34/S-32 (3)
-
-
trace metals (1)
-
-
fossils
-
Chordata
-
Vertebrata
-
Tetrapoda
-
Mammalia
-
Theria
-
Eutheria
-
Primates
-
Hominidae (1)
-
simians
-
Pongidae
-
Proconsul (1)
-
-
-
-
-
-
-
-
-
-
tracks (1)
-
-
geochronology methods
-
Ar/Ar (1)
-
K/Ar (2)
-
tephrochronology (1)
-
Th/U (2)
-
U/Pb (3)
-
uranium disequilibrium (1)
-
-
geologic age
-
Cenozoic
-
Quaternary
-
Holocene
-
upper Holocene (1)
-
-
Pleistocene
-
middle Pleistocene (1)
-
-
upper Quaternary (1)
-
-
Tertiary
-
Neogene
-
Miocene
-
lower Miocene (2)
-
-
Pliocene (2)
-
-
Paleogene
-
Oligocene (1)
-
-
-
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous
-
Albian (1)
-
-
Upper Cretaceous (1)
-
-
-
Paleozoic
-
Devonian (1)
-
lower Paleozoic (1)
-
Permian
-
Phosphoria Formation (1)
-
-
-
Precambrian
-
Archean (1)
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic (2)
-
Neoproterozoic (1)
-
Paleoproterozoic (1)
-
-
-
-
-
igneous rocks
-
extrusive rocks (2)
-
igneous rocks
-
carbonatites
-
sovite (4)
-
-
feldspathoid rocks (8)
-
hypabyssal rocks (1)
-
kamafugite (1)
-
kimberlite (6)
-
peperite (1)
-
picrite (1)
-
plutonic rocks
-
gabbros
-
alkali gabbros (1)
-
olivine gabbro (1)
-
-
granites
-
A-type granites (2)
-
charnockite (1)
-
-
ijolite (6)
-
lamprophyres
-
camptonite (1)
-
-
monzonites (1)
-
pegmatite (5)
-
sovite (4)
-
syenites
-
albitite (1)
-
alkali syenites (1)
-
nepheline syenite
-
foyaite (1)
-
lujavrite (1)
-
miaskite (1)
-
-
shonkinite (1)
-
-
ultramafics
-
hornblendite (1)
-
peridotites
-
dunite (1)
-
harzburgite (2)
-
lherzolite (4)
-
-
pyroxenite
-
websterite (1)
-
-
-
-
porphyry (1)
-
volcanic rocks
-
basalts
-
alkali basalts
-
mugearite (1)
-
-
flood basalts (2)
-
mid-ocean ridge basalts (2)
-
ocean-island basalts (1)
-
-
basanite (2)
-
glasses (2)
-
komatiite (1)
-
leucitite (1)
-
meimechite (1)
-
melilitite (2)
-
nephelinite
-
olivine nephelinite (1)
-
-
phonolites
-
tinguaite (1)
-
-
pyroclastics
-
tuff (6)
-
-
tephrite (1)
-
trachytes (3)
-
-
-
ophiolite (2)
-
volcanic ash (2)
-
wehrlite (2)
-
-
metamorphic rocks
-
metamorphic rocks
-
eclogite (3)
-
metasomatic rocks
-
fenite (1)
-
-
migmatites
-
anatexite (1)
-
-
-
ophiolite (2)
-
-
meteorites
-
meteorites
-
stony meteorites
-
achondrites (1)
-
chondrites
-
enstatite chondrites
-
EH chondrites
-
Indarch Meteorite (1)
-
-
-
-
-
-
-
minerals
-
alloys
-
carbides
-
cohenite (1)
-
moissanite (2)
-
-
kamacite (1)
-
nitrides (1)
-
phosphides
-
schreibersite (1)
-
-
silicides (1)
-
-
arsenides
-
skutterudite (1)
-
-
carbonates
-
ankerite (2)
-
aragonite (4)
-
azurite (1)
-
bastnaesite (3)
-
calcite (18)
-
dawsonite (1)
-
dolomite (5)
-
magnesite (4)
-
malachite (1)
-
nahcolite (3)
-
parisite (2)
-
shortite (4)
-
siderite (1)
-
synchysite (2)
-
thermonatrite (3)
-
trona (2)
-
vaterite (1)
-
-
halides
-
chlorides
-
eudialyte (1)
-
halite (4)
-
sylvite (6)
-
-
fluorides
-
bastnaesite (3)
-
fluorite (9)
-
neighborite (2)
-
parisite (2)
-
synchysite (2)
-
-
-
hydrates (1)
-
minerals (2)
-
molybdates
-
powellite (1)
-
-
native elements
-
carbonado (1)
-
diamond (6)
-
graphite (2)
-
lonsdaleite (1)
-
-
organic minerals (1)
-
oxides
-
baddeleyite (1)
-
chrome spinel (1)
-
corundum (1)
-
jacobsite (3)
-
magnesioferrite (2)
-
magnetite (4)
-
niobates
-
loparite (2)
-
pyrochlore (3)
-
-
periclase (1)
-
perovskite (5)
-
rutile (1)
-
spinel (3)
-
spinel group (2)
-
titanium oxides (1)
-
titanomagnetite (2)
-
ulvospinel (1)
-
wustite (1)
-
-
phosphates
-
apatite (14)
-
britholite (2)
-
fluorapatite (3)
-
monazite (2)
-
xenotime (1)
-
-
silicates
-
chain silicates
-
amphibole group
-
clinoamphibole
-
arfvedsonite (1)
-
hastingsite (1)
-
kaersutite (1)
-
riebeckite (2)
-
-
-
pyroxene group
-
clinopyroxene
-
aegirine (5)
-
diopside (1)
-
jadeite (1)
-
-
orthopyroxene
-
enstatite (1)
-
-
-
wollastonite group
-
wollastonite (3)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
K-feldspar (1)
-
-
plagioclase (1)
-
-
nepheline group
-
nepheline (7)
-
-
silica minerals
-
melanophlogite (2)
-
-
sodalite group
-
sodalite (3)
-
-
zeolite group
-
natrolite (3)
-
-
-
magnesian silicates (1)
-
orthosilicates
-
nesosilicates
-
britholite group
-
britholite (2)
-
-
garnet group
-
andradite (2)
-
hydrogarnet
-
hibschite (1)
-
-
majorite (1)
-
-
olivine group
-
monticellite (2)
-
olivine (7)
-
ringwoodite (1)
-
wadsleyite (2)
-
-
titanite group
-
titanite (3)
-
-
zircon group
-
zircon (3)
-
-
-
sorosilicates
-
melilite group
-
akermanite (1)
-
melilite (2)
-
-
-
-
ring silicates
-
eudialyte (1)
-
milarite group
-
roedderite (1)
-
-
-
sheet silicates
-
chlorite group
-
chlorite (1)
-
clinochlore (1)
-
-
mica group
-
biotite (1)
-
fluor-phlogopite (1)
-
phlogopite (9)
-
-
-
-
sulfates
-
barite (2)
-
-
sulfides
-
alabandite (1)
-
galena (1)
-
greenockite (1)
-
iron sulfides (1)
-
niningerite (1)
-
oldhamite (1)
-
pentlandite (1)
-
pyrite (1)
-
pyrrhotite (2)
-
sphalerite (1)
-
troilite (2)
-
wurtzite (1)
-
-
wehrlite (2)
-
-
Primary terms
-
absolute age (8)
-
Africa
-
Afar (1)
-
Cape Verde Islands (1)
-
Central Africa
-
Angola (2)
-
Central African Republic (1)
-
-
East Africa
-
Ethiopia (1)
-
Kenya
-
Kenya Rift valley (1)
-
-
Lake Natron (1)
-
Malawi (2)
-
Tanzania
-
Laetoli (1)
-
Oldoinyo Lengai (24)
-
-
Zambia (4)
-
-
East African Lakes
-
Lake Baringo (1)
-
Lake Natron (1)
-
-
East African Rift (6)
-
Gregory Rift (2)
-
Madagascar
-
Antananarivo Madagascar (1)
-
-
North Africa
-
Morocco (1)
-
-
Southern Africa
-
South Africa
-
KwaZulu-Natal South Africa (1)
-
North-West Province South Africa (1)
-
Transvaal region (1)
-
-
-
Zambezi Valley (1)
-
-
Arctic region
-
Greenland
-
Igaliku Complex (1)
-
Ilimaussaq (2)
-
South Greenland (2)
-
-
-
Asia
-
Far East
-
China
-
Dabie Mountains (1)
-
Inner Mongolia China (2)
-
Liaoning China
-
Liaodong Peninsula (1)
-
-
-
Japan
-
Honshu
-
Shimane Japan (1)
-
-
-
-
Indian Peninsula
-
India
-
Andhra Pradesh India (1)
-
Gujarat India
-
Amba Dongar (1)
-
-
Southern Granulite Terrain (1)
-
Tamil Nadu India
-
Kodaikanal India (1)
-
-
-
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Avacha (1)
-
-
-
Koryak Range (1)
-
Russian Far East (1)
-
Russian Pacific region (1)
-
Sakhalin Russian Federation
-
Kuril Islands
-
Etorofu Island
-
Kudryavyy (1)
-
-
-
-
Tajikistan (2)
-
Western Transbaikalia (1)
-
Yakutia Russian Federation
-
Udachnaya Pipe (3)
-
Udachnaya Russian Federation (1)
-
-
-
Atlantic Ocean
-
North Atlantic
-
North Sea
-
Gullfaks Field (1)
-
-
-
-
Atlantic Ocean Islands
-
Cape Verde Islands (1)
-
-
atmosphere (1)
-
Australasia
-
Australia
-
Western Australia (1)
-
-
New Zealand
-
Westland New Zealand (1)
-
-
-
boron (2)
-
brines (1)
-
Canada
-
Eastern Canada
-
Ontario (2)
-
Quebec
-
Oka Complex (1)
-
-
-
Ungava (1)
-
-
carbon
-
C-13/C-12 (14)
-
-
Cenozoic
-
Quaternary
-
Holocene
-
upper Holocene (1)
-
-
Pleistocene
-
middle Pleistocene (1)
-
-
upper Quaternary (1)
-
-
Tertiary
-
Neogene
-
Miocene
-
lower Miocene (2)
-
-
Pliocene (2)
-
-
Paleogene
-
Oligocene (1)
-
-
-
-
Chordata
-
Vertebrata
-
Tetrapoda
-
Mammalia
-
Theria
-
Eutheria
-
Primates
-
Hominidae (1)
-
simians
-
Pongidae
-
Proconsul (1)
-
-
-
-
-
-
-
-
-
-
core (1)
-
crust (4)
-
crystal chemistry (14)
-
crystal growth (6)
-
crystal structure (13)
-
data processing (1)
-
diagenesis (2)
-
diamond deposits (1)
-
Earth (1)
-
earthquakes (1)
-
Europe
-
Bashkortostan Russian Federation (1)
-
Central Europe
-
Black Forest (1)
-
Germany
-
Baden-Wurttemberg Germany (1)
-
Eifel (2)
-
-
Slovakia (1)
-
-
Fennoscandia
-
Russian Fennoscandia (1)
-
-
Fennoscandian Shield (1)
-
Murmansk Russian Federation
-
Khibiny Mountains (5)
-
Kola Peninsula (7)
-
Kovdor Massif (1)
-
Lovozero Massif (2)
-
-
Rhenish Schiefergebirge
-
Eifel (2)
-
-
Southern Europe
-
Iberian Peninsula
-
Central Iberian Zone (1)
-
Spain
-
Iberian Mountains (1)
-
-
-
Italy
-
Umbria Italy (1)
-
-
-
Variscides (1)
-
Western Europe
-
France
-
Pas-de-Calais France (1)
-
Pyrenees-Atlantiques France (1)
-
-
Ireland (1)
-
Scandinavia
-
Norway (2)
-
-
-
-
geochemistry (19)
-
geochronology (1)
-
ground water (2)
-
hydrogen
-
deuterium (1)
-
-
igneous rocks
-
carbonatites
-
sovite (4)
-
-
feldspathoid rocks (8)
-
hypabyssal rocks (1)
-
kamafugite (1)
-
kimberlite (6)
-
peperite (1)
-
picrite (1)
-
plutonic rocks
-
gabbros
-
alkali gabbros (1)
-
olivine gabbro (1)
-
-
granites
-
A-type granites (2)
-
charnockite (1)
-
-
ijolite (6)
-
lamprophyres
-
camptonite (1)
-
-
monzonites (1)
-
pegmatite (5)
-
sovite (4)
-
syenites
-
albitite (1)
-
alkali syenites (1)
-
nepheline syenite
-
foyaite (1)
-
lujavrite (1)
-
miaskite (1)
-
-
shonkinite (1)
-
-
ultramafics
-
hornblendite (1)
-
peridotites
-
dunite (1)
-
harzburgite (2)
-
lherzolite (4)
-
-
pyroxenite
-
websterite (1)
-
-
-
-
porphyry (1)
-
volcanic rocks
-
basalts
-
alkali basalts
-
mugearite (1)
-
-
flood basalts (2)
-
mid-ocean ridge basalts (2)
-
ocean-island basalts (1)
-
-
basanite (2)
-
glasses (2)
-
komatiite (1)
-
leucitite (1)
-
meimechite (1)
-
melilitite (2)
-
nephelinite
-
olivine nephelinite (1)
-
-
phonolites
-
tinguaite (1)
-
-
pyroclastics
-
tuff (6)
-
-
tephrite (1)
-
trachytes (3)
-
-
-
inclusions
-
fluid inclusions (14)
-
-
Indian Ocean Islands
-
Madagascar
-
Antananarivo Madagascar (1)
-
-
-
intrusions (17)
-
isotopes
-
radioactive isotopes
-
Pb-206/Pb-204 (5)
-
Pb-207/Pb-204 (3)
-
Pb-208/Pb-204 (3)
-
Pb-210 (1)
-
Po-210 (1)
-
Ra-226 (1)
-
Rb-87/Sr-86 (2)
-
Sm-147/Nd-144 (1)
-
Th-230 (1)
-
U-238 (1)
-
U-238/Pb-204 (1)
-
-
stable isotopes
-
C-13/C-12 (14)
-
deuterium (1)
-
Hf-177/Hf-176 (1)
-
Mg-25/Mg-24 (1)
-
Mg-26/Mg-24 (1)
-
N-15/N-14 (1)
-
Nd-144/Nd-143 (8)
-
O-18/O-16 (15)
-
Pb-206/Pb-204 (5)
-
Pb-207/Pb-204 (3)
-
Pb-207/Pb-206 (3)
-
Pb-208 (1)
-
Pb-208/Pb-204 (3)
-
Rb-87/Sr-86 (2)
-
S-34/S-32 (3)
-
Sm-147/Nd-144 (1)
-
Sr-87/Sr-86 (12)
-
-
-
lava (16)
-
magmas (44)
-
mantle (31)
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous
-
Albian (1)
-
-
Upper Cretaceous (1)
-
-
-
metal ores
-
beryllium ores (1)
-
gold ores (1)
-
iron ores (1)
-
nickel ores (1)
-
niobium ores (1)
-
rare earth deposits (3)
-
zirconium ores (1)
-
-
metals
-
actinides
-
thorium
-
Th-230 (1)
-
-
uranium
-
U-238 (1)
-
U-238/Pb-204 (1)
-
-
-
alkali metals
-
cesium (2)
-
lithium (1)
-
potassium (5)
-
rubidium
-
Rb-87/Sr-86 (2)
-
-
sodium (2)
-
-
alkaline earth metals
-
barium (3)
-
calcium (2)
-
magnesium
-
Mg-25/Mg-24 (1)
-
Mg-26/Mg-24 (1)
-
-
radium
-
Ra-226 (1)
-
-
strontium
-
Rb-87/Sr-86 (2)
-
Sr-87/Sr-86 (12)
-
-
-
bismuth (1)
-
copper (1)
-
gold (1)
-
hafnium
-
Hf-177/Hf-176 (1)
-
-
iron (2)
-
lead
-
Pb-206/Pb-204 (5)
-
Pb-207/Pb-204 (3)
-
Pb-207/Pb-206 (3)
-
Pb-208 (1)
-
Pb-208/Pb-204 (3)
-
Pb-210 (1)
-
U-238/Pb-204 (1)
-
-
manganese (3)
-
niobium (2)
-
platinum group (1)
-
polonium
-
Po-210 (1)
-
-
rare earths
-
cerium (4)
-
lanthanum (1)
-
neodymium
-
Nd-144/Nd-143 (8)
-
Sm-147/Nd-144 (1)
-
-
samarium
-
Sm-147/Nd-144 (1)
-
-
yttrium (3)
-
-
titanium (2)
-
vanadium (1)
-
zirconium (1)
-
-
metamorphic rocks
-
eclogite (3)
-
metasomatic rocks
-
fenite (1)
-
-
migmatites
-
anatexite (1)
-
-
-
metamorphism (3)
-
metasomatism (21)
-
meteorites
-
stony meteorites
-
achondrites (1)
-
chondrites
-
enstatite chondrites
-
EH chondrites
-
Indarch Meteorite (1)
-
-
-
-
-
-
mineral deposits, genesis (6)
-
mineral exploration (1)
-
mineralogy (2)
-
minerals (2)
-
Moon (1)
-
nitrogen
-
N-15/N-14 (1)
-
-
noble gases
-
radon (1)
-
-
North America
-
Canadian Shield
-
Churchill Province
-
Cape Smith fold belt (1)
-
-
-
-
ocean floors (1)
-
oil and gas fields (1)
-
oxygen
-
O-18/O-16 (15)
-
-
paleoclimatology (1)
-
Paleozoic
-
Devonian (1)
-
lower Paleozoic (1)
-
Permian
-
Phosphoria Formation (1)
-
-
-
paragenesis (10)
-
petroleum (1)
-
petrology (6)
-
phase equilibria (13)
-
phosphate deposits (1)
-
phosphorus (3)
-
plate tectonics (2)
-
Precambrian
-
Archean (1)
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic (2)
-
Neoproterozoic (1)
-
Paleoproterozoic (1)
-
-
-
-
Red Sea region (1)
-
remote sensing (2)
-
sea water (2)
-
sedimentary rocks
-
carbonate rocks
-
dolostone (1)
-
limestone (1)
-
-
chemically precipitated rocks
-
phosphate rocks (1)
-
-
clastic rocks
-
conglomerate (1)
-
sandstone (2)
-
siltstone (1)
-
-
coal (1)
-
-
sediments
-
clastic sediments
-
clay (1)
-
-
marine sediments (1)
-
-
silicon (1)
-
sodium carbonate (3)
-
soils (2)
-
South America
-
Brazil
-
Goias Brazil (1)
-
Mato Grosso Brazil (1)
-
Minas Gerais Brazil (1)
-
-
-
standard materials (1)
-
stratigraphy (1)
-
sulfur
-
S-34/S-32 (3)
-
-
symposia (2)
-
tectonics (4)
-
United States
-
California (2)
-
Midcontinent (1)
-
-
volcanology (3)
-
weathering (3)
-
-
rock formations
-
Deccan Traps (1)
-
Karoo Supergroup (1)
-
-
sedimentary rocks
-
sedimentary rocks
-
carbonate rocks
-
dolostone (1)
-
limestone (1)
-
-
chemically precipitated rocks
-
phosphate rocks (1)
-
-
clastic rocks
-
conglomerate (1)
-
sandstone (2)
-
siltstone (1)
-
-
coal (1)
-
-
siliciclastics (1)
-
volcaniclastics (5)
-
-
sedimentary structures
-
channels (1)
-
tracks (1)
-
-
sediments
-
sediments
-
clastic sediments
-
clay (1)
-
-
marine sediments (1)
-
-
siliciclastics (1)
-
volcaniclastics (5)
-
-
soils
-
paleosols (2)
-
soils (2)
-
GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
1-20 OF 205 RESULTS FOR
natrocarbonatites
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
CALCIOCARBONATITE DYKES AT OLDOINYO LENGAI, TANZANIA: THE FATE OF NATROCARBONATITE
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 August 2006
The Canadian Mineralogist (2006) 44 (4): 857–876.
... rares, 9.9% SiO 2 ) et un hydroxyde de Mn–Ba. Chimiquement, les filons ont une composition calciocarbonatitique, et montrent une forte teneur en F, Sr, Fe et Mn. Le total des alcalins est inférieur à 2%. En comparaison d’une natrocarbonatite saine, les teneurs en terres rares, Y, Zr, Th, Nb et Pb sont...
Journal Article
Natrocarbonatites: A hidden product of three-phase immiscibility
Tibor Guzmics, Márta Berkesi, Robert J. Bodnar, András Fall, Enikő Bali, Ralf Milke, Enikő Vetlényi, Csaba Szabó
Journal: Geology
Publisher: Geological Society of America
Published: 15 April 2019
Geology (2019) 47 (6): 527–530.
...Tibor Guzmics; Márta Berkesi; Robert J. Bodnar; András Fall; Enikő Bali; Ralf Milke; Enikő Vetlényi; Csaba Szabó Abstract Earth’s only active natrocarbonatite volcanism, occurring at Oldoinyo Lengai (OL), Tanzania, suggests that natrocarbonatite melts are formed through a unique geological process...
Journal Article
NYEREREITE – PIRSSONITE – CALCITE – SHORTITE RELATIONSHIPS IN ALTERED NATROCARBONATITES, OLDOINYO LENGAI, TANZANIA
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 August 2008
The Canadian Mineralogist (2008) 46 (4): 843–860.
...Anatoly N. Zaitsev; Jörg Keller; John Spratt; Elena N. Perova; Anton Kearsley Abstract Samples of natrocarbonatite showing various degrees of alteration are preserved in an older carbonatite platform that existed before and until the 1917 explosive eruption at Oldoinyo Lengai volcano, in Tanzania...
Journal Article
Carbonatite tuffs and lava clasts of the Tinderet foothills, western Kenya: a study of calcified natrocarbonatites
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 01 May 1984
Journal of the Geological Society (1984) 141 (3): 563–580.
... quenched trachytoidal and flow-banded textures and consist largely (90%) of calcite, plus apatite and magnetite. The principal primary constituent is inferred to have been nyerereite (cf. the natrocarbonatite of Oldoinyo Lengai) now pseudomorphed by calcite, and accompanied by primary tabular calcite...
Journal Article
Niocalite-cuspidine solid solution and manganoan monticellite from natrocarbonatite, Oldoinyo Lengai, Tanzania
Journal: Mineralogical Magazine
Published: 01 October 2004
Mineralogical Magazine (2004) 68 (5): 787–799.
...R. H. Mitchell; F. Belton Abstract Lapilli and spatter of natrocarbonatite extruded from the T56B cone of Oldoinyo Lengai (Tanzania) in August 2003 are unusually rich in apatite, silicate, oxide and sulphide minerals. These minerals occur primarily within inclusions of quenched natrocarbonatite...
Journal Article
Kaluwe carbonatite, Zambia: an alternative to natrocarbonatite
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 01 April 1990
Journal of the Geological Society (1990) 147 (2): 213–216.
...B. T. NGWENYA; D. K. BAILEY Abstract Fine grained carbonatite in the Kaluwe complex has been inferred, on textural grounds, to be calcified natrocarbonatite. Electron microprobe analysis, however, shows that the brown laths thought to be pseudo-nyerereite are dolomitic, with Sr values much higher...
Journal Article
Cuspidine-sodalite natrocarbonatite from Oldoinyo Lengai, Tanzania: a novel hybrid carbonatite formed by assimilation of ijolite
Journal: Mineralogical Magazine
Published: 01 December 2008
Mineralogical Magazine (2008) 72 (6): 1261–1277.
...R. H. Mitchell; F. A. Belton Abstract A unique hybrid natrocarbonatite, collected from the new ash cone of the volcano Oldoinyo Lengai, Tanzania in July 2008, consists of phenocrysts of nyerereite and gregoryite together with xenocrysts of clinopyroxene, nepheline and Ti-andradite set...
Journal Article
Dawson's Oldoinyo Lengai calciocarbonatite; a magmatic sovite or an extremely altered natrocarbonatite?
Journal: Mineralogical Magazine
Published: 01 June 1997
Mineralogical Magazine (1997) 61 (3): 351–355.
... natrocarbonatite lava that has been erupted in more recent times. This proposition is difficult to reconcile with the currently fashionable hypothesis whereby the natrocarbonatite lava separated immiscibly from a type of nephelinite magma, most recently thought to be a wollastonite nephelinite. In 1993 Dawson...
Journal Article
Natrocarbonatite tephra of Kerimasi volcano, Tanzania
Journal: Geology
Publisher: Geological Society of America
Published: 01 October 1983
Geology (1983) 11 (10): 599–602.
... of premodern natrocarbonatite volcanism. The principal carbonate mineral was nyerereite, which is the dominant mineral in modern natrocarbonatite lava flows of the adjacent volcano Oldoinyo Lengai. The nyerereite of Kerimasi was leached of its alkalis by meteoric water and is now represented by calcite...
Image
WHOLE-ROCK CHEMICAL DATA ON PIRSSONITE AND SHORTITE NATROCARBONATITES, COMP...
Published: 01 August 2008
TABLE 9. WHOLE-ROCK CHEMICAL DATA ON PIRSSONITE AND SHORTITE NATROCARBONATITES, COMPARED TO CALCITE CARBONATITE AND FRESH NATROCARBONATITE FROM OLDOINYO LENGAI
Image
Compositions of ferroan alabandite occurring in natrocarbonatites erupted i...
Published: 01 October 2004
F ig . 12. Compositions of ferroan alabandite occurring in natrocarbonatites erupted in August 2003 and July 2002 plotted in the ternary Fe-Mn-S system (atomic %). All data this work.
Journal Article
The origin of melanophlogite, a clathrate mineral, in natrocarbonatite lava at Oldoinyo Lengai, Tanzania
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 November 2013
American Mineralogist (2013) 98 (11-12): 1998–2006.
...Andrew D. Beard; Kieren Howard; Laura Carmody; Adrian P. Jones Abstract We report new observations of a clathrate mineral, melanophlogite [46SiO 2 ·6(N 2 ,CO 2 )·2(CH 4 ,N 2 )], as part of a tuffaceous layer within a sample of the 2006 natrocarbonatite lava, whose composition reflects the typical...
Journal Article
EXPERIMENTAL STUDIES OF THE SYSTEM Na 2 Ca(CO 3 ) 2 – NaCl – KCl AT 0.1 GPa: IMPLICATIONS FOR THE DIFFERENTIATION AND LOW-TEMPERATURE CRYSTALLIZATION OF NATROCARBONATITE
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 August 2008
The Canadian Mineralogist (2008) 46 (4): 971–980.
... the solidus at ~550°C, discrete exsolved inclusions of (Na,K)Cl ss occur in (K,Na)Cl ss and of (K,Na)Cl ss in (Na,K)Cl ss . These data are relevant to the differentiation and crystallization of the natrocarbonatitic melt at Oldoinyo Lengai under hypabyssal and plutonic conditions; they predict the formation...
Journal Article
Differentiation of natrocarbonatite magma at Oldoinyo Lengai volcano, Tanzania
Journal: Mineralogical Magazine
Published: 01 December 1998
Mineralogical Magazine (1998) 62 (6): 759–768.
...J. Gittins; B. C. Jago Abstract Natrocarbonatite magma, erupted as lava flows in the Tanzanian volcano Oldoinyo Lengai in June and November of 1988, has evolved chemically since its formation. The June and November flows of 1988 display increasing Cl, F, Ba, K, Mg and Mn, concomitantly with Na, Ca...
Journal Article
The 24th September 2007 ash eruption of the carbonatite volcano Oldoinyo Lengai, Tanzania: mineralogy of the ash and implications for formation of a new hybrid magma type
Journal: Mineralogical Magazine
Published: 01 October 2007
Mineralogical Magazine (2007) 71 (5): 483–492.
...R. H. Mitchell; J. B. Dawson Abstract The September 2007 ash eruption at Oldoinyo Lengai terminated a period of >30 y of relatively quiet extrusion of natrocarbonatite lavas. Ash erupted on the 24 th September comprised nuclei of ijolitic phases, surrounded by finer peralkaline, silica...
Journal Article
Mineralogy of stalactites formed by subaerial weathering of natrocarbonatite hornitos at Oldoinyo Lengai, Tanzania
Journal: Mineralogical Magazine
Published: 01 August 2006
Mineralogical Magazine (2006) 70 (4): 437–444.
...R. H. Mitchell Abstract Stalactites formed by the chemical weathering of natrocarbonatite lava decorate the roofs of hollow inactive hornitos at Oldoinyo Lengai, Tanzania. The stalactites are composed principally of trona with lesser and very variable amounts of nahcolite, (NaHCO 3 ), thermonatrite...
Journal Article
An ephemeral pentasodium phosphate carbonate from natrocarbonatite lapilli, Oldoinyo Lengai, Tanzania
Journal: Mineralogical Magazine
Published: 01 April 2006
Mineralogical Magazine (2006) 70 (2): 211–218.
...R. H. Mitchell Abstract Lapilli formed by a Strombolian eruption are associated with the formation of a large lava flow of natrocarbonatite on or about 21–22 July, 2000 at Oldoinyo Lengai volcano, Tanzania. Fresh lapilli consist of vesicular natrocarbonatite similar to that occurring in rapidly...
Journal Article
Sylvite and fluorite microcrysts, and fluorite-nyerereite intergrowths from natrocarbonatite, Oldoinyo Lengai, Tanzania
Journal: Mineralogical Magazine
Published: 01 February 2006
Mineralogical Magazine (2006) 70 (1): 103–114.
...R. H. Mitchell Abstract Natrocarbonatite lavas erupted from hornitos T37B and T49B at Oldoinyo Lengai (Tanzania) during 23–30 July, 2000 are unusual in containing sylvite and fluorite microcrysts together with fluorite-nyerereite intergrowths. The latter are relatively coarse grained and exhibit...
Journal Article
CARBONATITES AND CARBONATITES AND CARBONATITES
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 December 2005
The Canadian Mineralogist (2005) 43 (6): 2049–2068.
... differentiates that are not related to other carbonatites or their parental magmas. The origin and genetic relationships of the Oldoinyo Lengai natrocarbonatite cannot be unambiguously determined, although these rocks are regarded as a distinct variety of primary carbonatite. Carbonate-rich rocks associated...
Journal Article
Mn- and F-bearing rasvumite in natrocarbonatite at Oldoinyo Lengai Volcano, Tanzania
Journal: Mineralogical Magazine
Published: 01 February 1999
Mineralogical Magazine (1999) 63 (1): 53–55.
...B. C. Jago; J. Gittins Several K-Fe sulphide minerals have been described from natrocarbonatite lavas erupted from the Tanzanian volcano Oldoinyo Lengai but uncertainty remains about their exact identity. They do not appear to be any of the established K-Fe sulphides according to Dawson et al...