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C-13/C-12 (22)
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Nd-144/Nd-143 (17)
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O-18/O-16 (18)
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Pb-206/Pb-204 (9)
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Pb-207/Pb-204 (8)
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Pb-207/Pb-206 (1)
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Pb-208/Pb-204 (8)
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S-33 (1)
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Sr-87/Sr-86 (26)
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Lu/Hf (4)
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metals
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Sr-87/Sr-86 (26)
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neon (1)
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oxygen
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O-18/O-16 (18)
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sulfur
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trace metals (1)
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fossils
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Tetrapoda
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Labyrinthodontia
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Lissamphibia
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Aves
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Mammalia
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Primates
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simians
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Proconsul (1)
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Reptilia
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Diapsida
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Archosauria
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dinosaurs
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Saurischia
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Sauropoda (2)
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Theropoda
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Coelurosauria
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Lepidosauria
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Squamata
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Serpentes (2)
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fossil man (1)
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Invertebrata
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Insecta
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Trilobitomorpha
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Gastropoda
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Protista
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Cibicides (1)
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Vermes
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Plantae
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Gymnospermae (5)
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thallophytes (1)
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geochronology methods
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(U-Th)/He (2)
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geologic age
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Cenozoic
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upper Quaternary (4)
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Pliocene
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upper Neogene (1)
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Paleogene
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Eocene
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Ameki Formation (1)
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lower Eocene
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Thebes Formation (1)
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Parachute Creek Member (1)
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upper Eocene (3)
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Imo Shale (1)
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Oligocene
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Paleocene
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lower Paleocene
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Danian (2)
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K-T boundary (4)
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Nacimiento Formation (1)
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upper Paleocene (3)
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Paleocene-Eocene Thermal Maximum (1)
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Shahejie Formation (1)
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upper Tertiary (1)
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upper Cenozoic (2)
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Lake Bonneville (1)
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Mesozoic
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Cretaceous
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Bahariya Formation (5)
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Comanchean
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Glen Rose Formation (1)
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Lower Cretaceous
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Albian
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lower Albian (1)
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Aptian
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Shuaiba Formation (1)
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Barremian (2)
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Lower Greensand (1)
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Upper Cretaceous
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Blackhawk Formation (1)
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Campanian
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Dinosaur Park Formation (1)
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Castlegate Sandstone (1)
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Cenomanian
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Coniacian (2)
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Horseshoe Canyon Formation (1)
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K-T boundary (4)
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Maestrichtian (5)
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Milk River Formation (1)
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Senonian (7)
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Jurassic
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Lower Jurassic
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Middle Jurassic
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Smartville Complex (1)
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Upper Jurassic
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Arab Formation (1)
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middle Mesozoic (1)
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Navajo Sandstone (1)
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Triassic
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Hallstatt Limestone (1)
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Lower Triassic
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Permian-Triassic boundary (1)
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Upper Triassic
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Paleozoic
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Cambrian
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Carboniferous
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Upper Mississippian
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Devonian
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Upper Devonian
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Gemericum (1)
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New Albany Shale (1)
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Permian
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Khuff Formation (1)
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Leman Sandstone Formation (1)
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Middle Permian (2)
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Rotliegendes (1)
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Unayzah Formation (1)
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Upper Permian
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Permian-Triassic boundary (1)
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Silurian
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Lower Silurian
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Llandovery (2)
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Qalibah Formation (2)
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Wenlock (2)
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Middle Silurian (1)
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upper Paleozoic
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Shanxi Formation (1)
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Phanerozoic (7)
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Precambrian
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Lewisian Complex (1)
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upper Precambrian
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Proterozoic
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Belt Supergroup (1)
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Helena Formation (1)
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Laxfordian (1)
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Neoproterozoic
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Blaini Formation (1)
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Cryogenian (5)
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Paleoproterozoic (10)
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Vindhyan (1)
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igneous rocks
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granodiorites (5)
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volcanic rocks
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phonolites (3)
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ophiolite (21)
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metamorphic rocks
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listwanite (1)
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metasedimentary rocks
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metavolcanic rocks (6)
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ophiolite (21)
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Northwest Africa Meteorites (1)
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SNC Meteorites
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nakhlite
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Nakhla Meteorite (1)
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chondrites
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ordinary chondrites
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L chondrites (1)
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minerals
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arsenides
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carbonates
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halides
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native elements
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oxides
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rutile (1)
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phosphates
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silicates
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amphibole group
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clinoamphibole
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pargasite (1)
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astrophyllite (1)
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pyroxene group
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clinopyroxene
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orthopyroxene
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-
-
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framework silicates
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feldspar group
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K-feldspar (3)
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perthite (2)
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plagioclase
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nepheline group
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silica minerals
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quartz (7)
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-
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garnierite (1)
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orthosilicates
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zircon group
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zircon (40)
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-
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sorosilicates
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chevkinite group
-
chevkinite (1)
-
-
epidote group
-
allanite (1)
-
epidote (2)
-
zoisite (1)
-
-
-
-
ring silicates
-
emerald (2)
-
milarite group
-
osumilite (1)
-
-
-
sheet silicates
-
chlorite group
-
sudoite (1)
-
-
clay minerals
-
kaolinite (2)
-
smectite (2)
-
-
illite (3)
-
mica group
-
biotite (2)
-
muscovite (2)
-
phlogopite (2)
-
-
sericite (1)
-
serpentine group
-
antigorite (1)
-
-
-
-
sulfates
-
alunite (1)
-
anhydrite (1)
-
gypsum (1)
-
jarosite (1)
-
-
sulfides
-
arsenopyrite (1)
-
chalcocite (1)
-
chalcopyrite (2)
-
copper sulfides (1)
-
iron sulfides (1)
-
millerite (1)
-
nickel sulfides (1)
-
pentlandite (1)
-
pyrite (4)
-
pyrrhotite (1)
-
sphalerite (1)
-
-
uranium minerals (1)
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-
Primary terms
-
absolute age (81)
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Africa
-
Afar (3)
-
African Platform (1)
-
Blue Nile (4)
-
Central Africa
-
Angola (3)
-
Burundi (1)
-
Central African Republic (1)
-
Congo
-
Brazzaville Congo (1)
-
-
Congo Democratic Republic (6)
-
Congo River (1)
-
Gabon (1)
-
Lake Kivu (1)
-
Rwanda (1)
-
-
Chad Basin (5)
-
Congo Basin (3)
-
Congo Craton (3)
-
East Africa
-
Afar Depression (3)
-
Djibouti (1)
-
Eritrea
-
Dahlak Islands (1)
-
-
Ethiopia
-
Tigray Ethiopia (2)
-
-
Ethiopian Rift (2)
-
Kenya
-
East Turkana Basin (1)
-
Kenya Rift valley (5)
-
Lake Magadi (1)
-
Turkana District (1)
-
-
Lake Natron (1)
-
Lake Turkana (3)
-
Malawi (1)
-
Mozambique (5)
-
Somali Republic (5)
-
Sudan
-
Kordofan (2)
-
-
Tanzania (15)
-
Turkana Basin (6)
-
Uganda (8)
-
Zambia (2)
-
-
East African Lakes
-
Lake Albert (1)
-
Lake Baringo (2)
-
Lake Kivu (1)
-
Lake Magadi (1)
-
Lake Natron (1)
-
Lake Tanganyika (2)
-
Lake Turkana (3)
-
-
East African Rift (18)
-
Gregory Rift (3)
-
Kalahari Desert (1)
-
Kufra Basin (1)
-
Libyan Desert (1)
-
Madagascar
-
Mahajanga Basin (1)
-
-
Mozambique Belt (5)
-
Nile River (13)
-
Nile Valley (3)
-
North Africa
-
Algeria
-
Berkine Basin (1)
-
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
Anti-Atlas (2)
-
High Atlas (1)
-
-
-
Egypt
-
Aswan Dam (1)
-
Aswan Egypt
-
Kom Ombo Egypt (1)
-
-
Bahariya Oasis (1)
-
Eastern Desert (27)
-
Kharga Oasis (1)
-
Nile Delta (11)
-
Safaga Egypt (1)
-
Sinai Egypt (10)
-
-
Ghadames Basin (6)
-
Illizi Basin (3)
-
Libya
-
Murzuk Basin (4)
-
Sirte Basin (2)
-
-
Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (2)
-
High Atlas (1)
-
-
Rif (1)
-
-
Tunisia (16)
-
-
Nubia (1)
-
Nubian Shield (42)
-
Red Sea Hills (11)
-
Sahara (14)
-
Southern Africa
-
Botswana (3)
-
Karoo Basin (3)
-
Lesotho (1)
-
Namaqualand (1)
-
Namaqualand metamorphic complex (1)
-
Namibia
-
Tsumeb Namibia (1)
-
-
South Africa
-
Cape fold belt (1)
-
KwaZulu-Natal South Africa (2)
-
Limpopo South Africa (1)
-
Northern Cape Province South Africa (1)
-
Western Cape Province South Africa (1)
-
-
Zimbabwe (1)
-
-
Tibesti Massif (1)
-
West Africa
-
Adamawa (1)
-
Benin (1)
-
Benue Valley (5)
-
Cameroon
-
Mount Cameroon (1)
-
-
Chad (10)
-
Gambia (1)
-
Ghana
-
Lake Bosumtwi (1)
-
-
Guinea (2)
-
Ivory Coast (1)
-
Liberia (1)
-
Mali (3)
-
Mauritania (1)
-
Niger (7)
-
Nigeria
-
Niger Delta (2)
-
Sokoto Basin (2)
-
-
Taoudenni Basin (1)
-
-
West African Craton (2)
-
West African Shield (3)
-
-
Antarctica
-
East Antarctica (1)
-
Queen Maud Land
-
Sor-Rondane Mountains (1)
-
-
Transantarctic Mountains (1)
-
Victoria Land (1)
-
West Antarctica (1)
-
-
Arctic Ocean
-
Norwegian Sea
-
Kolbeinsey Ridge (1)
-
-
-
Arctic region
-
Greenland
-
Ilimaussaq (1)
-
South Greenland (1)
-
-
-
Asia
-
Arabian Peninsula
-
Arabian Shield (37)
-
Kuwait (3)
-
Oman
-
Oman Mountains (2)
-
-
Qatar (2)
-
Saudi Arabia
-
Ghawar Field (1)
-
-
United Arab Emirates
-
Abu Dhabi (2)
-
Dubai (1)
-
Sharjah (1)
-
Umm al-Qaiwain (1)
-
-
Yemen (7)
-
-
Baikal rift zone (1)
-
Central Asia
-
Kazakhstan
-
Chu-Sarysu Depression (1)
-
-
-
Far East
-
China
-
Bohaiwan Basin (2)
-
Hebei China (2)
-
Inner Mongolia China (2)
-
Jilin China (1)
-
Liaoning China
-
Liaodong Peninsula (1)
-
-
North China Platform (2)
-
Ordos Basin (2)
-
Qaidam Basin (1)
-
Shandong China
-
Dongying Depression (1)
-
Shandong Peninsula (1)
-
-
Shanxi China (1)
-
Sichuan China (1)
-
Songliao Basin (1)
-
Xinjiang China
-
Junggar Basin (2)
-
Tarim Basin (2)
-
-
Xizang China (5)
-
-
Indonesia
-
Irian Jaya Indonesia (1)
-
-
Japan
-
Kyushu
-
Kagoshima Japan
-
Sakura-jima (1)
-
-
Kirishima (1)
-
-
-
Mongolia (2)
-
Thailand (2)
-
-
Gobi Desert (1)
-
Himalayas
-
Garhwal Himalayas (1)
-
Kumaun Himalayas (2)
-
Lesser Himalayas (3)
-
Zanskar Range (4)
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-
Indian Peninsula
-
Bhutan (2)
-
India
-
Andhra Pradesh India
-
Nellore India (1)
-
-
Cauvery Basin (1)
-
Damodar Valley (1)
-
Himachal Pradesh India
-
Kinnaur India (1)
-
Spiti (4)
-
-
Kerala India (1)
-
Madhya Pradesh India
-
Betul India (1)
-
Rewa India (1)
-
-
Maharashtra India
-
Latur India (1)
-
-
Northeastern India (1)
-
Punjab India (3)
-
Rajasthan India
-
Aravalli Range (1)
-
-
Southern Granulite Terrain (1)
-
Tamil Nadu India (2)
-
Uttar Pradesh India (1)
-
Uttarakhand India
-
Garhwal Himalayas (1)
-
-
West Bengal India
-
Bankura India (1)
-
-
-
Indo-Gangetic Plain (2)
-
Jammu and Kashmir
-
Kashmir (1)
-
-
Nepal (1)
-
Pakistan
-
Punjab Pakistan
-
Salt Range (1)
-
-
-
-
Karakoram (1)
-
Kopet-Dag Range (1)
-
Main Central Thrust (1)
-
Middle East
-
Cyprus (1)
-
Dead Sea (3)
-
Dead Sea Rift (2)
-
Iran
-
Elburz (2)
-
Kerman Iran (1)
-
-
Iraq (5)
-
Israel
-
Elath Israel (1)
-
Negev (1)
-
Timna (1)
-
-
Jordan (9)
-
Syria (1)
-
Turkey
-
Anatolia (1)
-
Menderes Massif (1)
-
-
Zagros (4)
-
-
Siberia (2)
-
Tibetan Plateau (2)
-
Yakutia Russian Federation
-
Udachnaya Pipe (1)
-
-
-
associations (2)
-
asteroids (1)
-
Atlantic Ocean
-
East Atlantic (1)
-
Equatorial Atlantic (1)
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-
-