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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Afar (23)
-
Blue Nile (2)
-
Central Africa
-
Angola
-
Cabinda Angola (1)
-
-
Burundi (1)
-
Central African Republic (2)
-
Congo (4)
-
Congo Democratic Republic (4)
-
Gabon (3)
-
Lake Kivu (1)
-
Rwanda (1)
-
-
East Africa
-
Afar Depression (34)
-
Djibouti (38)
-
Eritrea (4)
-
Ethiopia
-
Addis Ababa Ethiopia (1)
-
Awash Valley (3)
-
Fantale (2)
-
Hadar (5)
-
Omo Ethiopia (1)
-
Omo River (1)
-
Omo Valley (4)
-
Wallo Ethiopia (2)
-
-
Ethiopian Rift (23)
-
Kenya
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Kenya Rift valley (3)
-
-
Lake Turkana (6)
-
Malawi (1)
-
Mozambique (5)
-
Somali Republic (18)
-
Sudan (7)
-
Tanzania
-
Laetoli (1)
-
Olduvai Gorge (1)
-
-
Turkana Basin (4)
-
Uganda (2)
-
-
East African Lakes
-
Lake Kivu (1)
-
Lake Turkana (6)
-
-
East African Rift (16)
-
Gregory Rift (2)
-
Madagascar
-
Mahajanga Basin (1)
-
-
Mozambique Belt (3)
-
Nile Valley (1)
-
North Africa
-
Algeria (3)
-
Egypt
-
Nile Delta (1)
-
-
Libya (1)
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Morocco (1)
-
Tunisia (1)
-
-
Nubia (1)
-
Nubian Shield (7)
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Sahara (1)
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Southern Africa
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Karoo Basin (2)
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Lesotho (2)
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Namibia (1)
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South Africa (5)
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Zimbabwe (1)
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Tibesti Massif (1)
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West Africa
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Benin (3)
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Cameroon (3)
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Chad (1)
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Ghana (3)
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Guinea (1)
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Ivory Coast (3)
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Liberia (2)
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Mali (1)
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Mauritania (2)
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Niger (1)
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Nigeria
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Jos Plateau (1)
-
-
Sierra Leone (1)
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Togo (1)
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-
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Antarctica (2)
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Arctic Ocean (1)
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Asal Rift (16)
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Asia
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Arabian Peninsula
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Arabian Shield (2)
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Saudi Arabia (5)
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Yemen (5)
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Far East
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Indonesia
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Sumatra (1)
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Japan
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Honshu
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Iwate Japan
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Kakkonda Field (1)
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Onikobe Field (1)
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Philippine Islands (1)
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Indian Peninsula
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Bhutan (1)
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India (2)
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Middle East
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Iraq (1)
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Jordan (2)
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Syria (1)
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Russian Pacific region (1)
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Sakhalin Russian Federation
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Kuril Islands (1)
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Southeast Asia (1)
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Atlantic Ocean
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North Atlantic
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Bay of Biscay (1)
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Labrador Sea (1)
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Reykjanes Ridge (1)
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Australasia
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Australia
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South Australia (1)
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New Zealand
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Wairakei (1)
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Baffin Bay (1)
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Canada
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Western Canada
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British Columbia (1)
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Central America
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Costa Rica (1)
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Nicaragua (1)
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Cerro Prieto (1)
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Clara Mine (1)
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Commonwealth of Independent States
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Russian Federation
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Murmansk Russian Federation
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Kola Peninsula (1)
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Lovozero Massif (1)
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Russian Pacific region (1)
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Sakhalin Russian Federation
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Kuril Islands (1)
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developing countries (1)
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Europe
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Central Europe
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Black Forest (1)
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Czech Republic
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Moravia (1)
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Germany (1)
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Murmansk Russian Federation
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Kola Peninsula (1)
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Lovozero Massif (1)
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Southern Europe
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Greece
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Crete (1)
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Italy
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Apulia Italy
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Lecce Italy (1)
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Tuscany Italy
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Larderello (1)
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-
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Western Europe
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Iceland (3)
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Scandinavia
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Sweden
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Smaland (1)
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-
-
-
-
Great Rift Valley (2)
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Indian Ocean
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Arabian Sea
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Gulf of Aden
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Gulf of Tadjoura (7)
-
-
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Carlsberg Ridge (1)
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Red Sea
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Red Sea Rift (2)
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West Indian Ocean (2)
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Indian Ocean Islands
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Kerguelen Islands (1)
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Madagascar
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Mahajanga Basin (1)
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Mascarene Islands
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Reunion (1)
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Mauritius (1)
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Mediterranean region (1)
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Mexico
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Baja California (1)
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Puebla Mexico
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Los Humeros (1)
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Sonora Mexico (1)
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North Island (1)
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Northern Hemisphere (1)
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Pacific Ocean
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East Pacific
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Northeast Pacific
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Juan de Fuca Ridge (1)
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-
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North Pacific
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Northeast Pacific
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Juan de Fuca Ridge (1)
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-
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Pacific region
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Circum-Pacific region (1)
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Pacific-Antarctic Ridge (1)
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Red Sea region (4)
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South America
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Colombia (1)
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Peru (1)
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United States
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California
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Humboldt County California (1)
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Salton Sea (1)
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Salton Trough (1)
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New Hampshire (1)
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New Mexico (1)
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New York
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Orange County New York (1)
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Oregon (1)
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Texas (1)
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Washakie Basin (1)
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Washington (1)
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Wyoming
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Sweetwater County Wyoming (1)
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Yellowstone National Park (1)
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USSR (1)
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Western Desert (1)
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commodities
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bitumens (1)
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brines (1)
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energy sources (1)
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gems (4)
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geothermal energy (1)
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metal ores
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chromite ores (1)
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gold ores (1)
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platinum ores (1)
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-
mineral deposits, genesis (8)
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mineral exploration (2)
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nonmetal deposits (3)
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petroleum
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natural gas (3)
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placers (1)
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potash (3)
-
water resources (2)
-
-
elements, isotopes
-
carbon
-
C-13/C-12 (7)
-
-
chemical ratios (1)
-
hydrogen
-
D/H (1)
-
-
incompatible elements (1)
-
isotope ratios (15)
-
isotopes
-
radioactive isotopes
-
Pb-206/Pb-204 (2)
-
Pb-207/Pb-204 (2)
-
Pb-208/Pb-204 (2)
-
U-234/Th-230 (1)
-
-
stable isotopes
-
C-13/C-12 (7)
-
D/H (1)
-
He-3 (1)
-
He-4 (1)
-
He-4/He-3 (1)
-
Hf-177/Hf-176 (1)
-
Nd-144/Nd-143 (4)
-
O-18/O-16 (7)
-
Pb-206/Pb-204 (2)
-
Pb-207/Pb-204 (2)
-
Pb-208/Pb-204 (2)
-
S-34/S-32 (1)
-
Sr-87/Sr-86 (5)
-
-
-
metals
-
actinides
-
thorium
-
U-234/Th-230 (1)
-
-
uranium
-
U-234/Th-230 (1)
-
-
-
alkali metals
-
rubidium (1)
-
-
alkaline earth metals
-
barium (1)
-
calcium (1)
-
strontium
-
Sr-87/Sr-86 (5)
-
-
-
arsenic (1)
-
copper (1)
-
gold (1)
-
hafnium
-
Hf-177/Hf-176 (1)
-
-
iron (1)
-
lead
-
Pb-206/Pb-204 (2)
-
Pb-207/Pb-204 (2)
-
Pb-208/Pb-204 (2)
-
-
manganese (1)
-
platinum group
-
iridium (2)
-
platinum (3)
-
platinum ores (1)
-
rhodium (2)
-
-
rare earths
-
neodymium
-
Nd-144/Nd-143 (4)
-
-
-
-
noble gases
-
helium
-
He-3 (1)
-
He-4 (1)
-
He-4/He-3 (1)
-
-
-
oxygen
-
O-18/O-16 (7)
-
-
sulfur
-
S-34/S-32 (1)
-
-
-
fossils
-
Chordata
-
Vertebrata
-
Tetrapoda
-
Mammalia
-
Theria
-
Eutheria
-
Artiodactyla
-
Hippopotamidae
-
Hippopotamus (1)
-
-
Ruminantia
-
Bovidae (1)
-
Giraffidae (1)
-
-
Suiformes
-
Suidae (2)
-
-
-
Carnivora
-
Fissipeda
-
Felidae
-
Panthera (1)
-
-
Hyaenidae (1)
-
Mustelidae (1)
-
-
-
Lagomorpha (1)
-
Perissodactyla
-
Ceratomorpha
-
Rhinocerotidae (1)
-
-
Hippomorpha
-
Equidae (1)
-
-
-
Primates
-
Hominidae
-
Australopithecinae
-
Australopithecus
-
Australopithecus afarensis (3)
-
-
-
Homo
-
Homo erectus (2)
-
Homo sapiens (2)
-
-
-
-
Proboscidea
-
Elephantoidea
-
Elephantidae (1)
-
-
Mastodontoidea (1)
-
-
Rodentia
-
Myomorpha
-
Muridae (1)
-
-
-
-
-
-
-
-
-
fossil man (3)
-
ichnofossils (2)
-
Invertebrata
-
Arthropoda
-
Mandibulata
-
Insecta
-
Pterygota
-
Neoptera
-
Endopterygota
-
Hymenoptera (1)
-
-
-
-
-
-
-
Cnidaria
-
Anthozoa
-
Zoantharia
-
Scleractinia (1)
-
-
-
Hydrozoa (1)
-
-
Echinodermata
-
Echinozoa
-
Echinoidea (2)
-
-
-
Protista
-
Foraminifera
-
Rotaliina
-
Buliminacea (1)
-
Globigerinacea
-
Globotruncanidae (1)
-
-
-
-
-
-
microfossils (6)
-
palynomorphs
-
miospores (1)
-
-
Plantae
-
algae
-
diatoms (1)
-
-
Bryophyta (1)
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae (1)
-
Monocotyledoneae
-
Gramineae (1)
-
-
-
Gymnospermae
-
Coniferales (1)
-
Cordaitales (1)
-
-
-
-
thallophytes (1)
-
tracks (1)
-
-
geochronology methods
-
Ar/Ar (13)
-
fission-track dating (1)
-
K/Ar (10)
-
paleomagnetism (5)
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Rb/Sr (3)
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tephrochronology (2)
-
Th/U (1)
-
thermochronology (1)
-
U/Pb (6)
-
-
geologic age
-
Cenozoic
-
Koobi Fora Formation (5)
-
Omo Group (3)
-
Quaternary
-
Holocene
-
Mesolithic (2)
-
-
Pleistocene
-
lower Pleistocene
-
Olduvai Subchron (1)
-
-
Matuyama Chron (1)
-
middle Pleistocene (2)
-
Sicilian (1)
-
upper Pleistocene (3)
-
-
-
Shungura Formation (6)
-
Stone Age
-
Mesolithic (2)
-
Paleolithic
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Acheulian (1)
-
-
-
Tertiary
-
John Day Formation (1)
-
Neogene
-
Miocene
-
lower Miocene (1)
-
upper Miocene (3)
-
Wanapum Basalt (1)
-
-
Pliocene
-
Hadar Formation (12)
-
lower Pliocene (3)
-
upper Pliocene (4)
-
-
-
Paleogene
-
Eocene
-
Clarno Formation (1)
-
Green River Formation (1)
-
upper Eocene (1)
-
-
Oligocene
-
upper Oligocene (1)
-
-
Paleocene (1)
-
-
-
upper Cenozoic
-
Villafranchian (1)
-
-
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous (2)
-
Upper Cretaceous
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Campanian (1)
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Senonian (1)
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Turonian (1)
-
-
-
Jurassic
-
Lower Jurassic
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Toarcian (1)
-
-
Middle Jurassic
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Aalenian (1)
-
-
Upper Jurassic
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Malm (1)
-
-
-
Triassic (3)
-
-
Paleozoic
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Cambrian (1)
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Carboniferous (1)
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Ordovician (2)
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Permian (3)
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Silurian (1)
-
upper Paleozoic (1)
-
-
Phanerozoic (2)
-
Precambrian
-
upper Precambrian
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Proterozoic
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Mesoproterozoic
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Stenian (1)
-
-
Neoproterozoic
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Riphean (1)
-
Sturtian (1)
-
Tonian (1)
-
-
-
-
-
-
igneous rocks
-
igneous rocks
-
carbonatites (1)
-
feldspathoid rocks (1)
-
kimberlite (1)
-
plutonic rocks
-
granites
-
alkali granites (1)
-
charnockite (1)
-
-
ijolite (1)
-
pegmatite (1)
-
syenites
-
nepheline syenite
-
agpaite (1)
-
-
-
ultramafics
-
chromitite (1)
-
peridotites
-
harzburgite (1)
-
lherzolite (1)
-
-
pyroxenite
-
websterite (1)
-
-
-
-
volcanic rocks
-
andesites (1)
-
basalts
-
alkali basalts (2)
-
flood basalts (8)
-
mid-ocean ridge basalts (2)
-
olivine tholeiite (1)
-
tholeiite (1)
-
trap rocks (1)
-
-
glasses (2)
-
leucitite (1)
-
phonolites (1)
-
pyroclastics
-
ignimbrite (7)
-
pumice (2)
-
tuff (8)
-
tuffite (1)
-
-
rhyolites
-
pantellerite (3)
-
-
trachytes (4)
-
-
-
ophiolite (3)
-
volcanic ash (1)
-
-
metamorphic rocks
-
metamorphic rocks
-
granulites (1)
-
metasedimentary rocks (1)
-
metavolcanic rocks (1)
-
mylonites (1)
-
-
ophiolite (3)
-
-
minerals
-
alloys (1)
-
arsenites
-
mixite (1)
-
-
halides
-
fluorides (1)
-
-
minerals (2)
-
organic minerals
-
amber (1)
-
-
oxides
-
hydroxides (1)
-
iron oxides (1)
-
-
phosphates
-
apatite (1)
-
hydroxylapatite (1)
-
-
silicates
-
chain silicates
-
amphibole group
-
clinoamphibole
-
pargasite (1)
-
-
-
pyroxene group
-
clinopyroxene (1)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
anorthoclase (2)
-
-
plagioclase
-
bytownite (1)
-
-
-
silica minerals
-
opal (3)
-
-
-
orthosilicates
-
nesosilicates
-
olivine group
-
olivine (2)
-
-
zircon group
-
zircon (4)
-
-
-
sorosilicates
-
epidote group
-
epidote (1)
-
-
ilvaite (1)
-
-
-
ring silicates
-
emerald (1)
-
-
sheet silicates
-
clay minerals
-
kaolinite (1)
-
smectite (2)
-
-
illite (1)
-
sepiolite (1)
-
-
-
sulfates
-
gypsum (2)
-
-
sulfides
-
bohdanowiczite (1)
-
-
tellurides (1)
-
-
Primary terms
-
absolute age (28)
-
Africa
-
Afar (23)
-
Blue Nile (2)
-
Central Africa
-
Angola
-
Cabinda Angola (1)
-
-
Burundi (1)
-
Central African Republic (2)
-
Congo (4)
-
Congo Democratic Republic (4)
-
Gabon (3)
-
Lake Kivu (1)
-
Rwanda (1)
-
-
East Africa
-
Afar Depression (34)
-
Djibouti (38)
-
Eritrea (4)
-
Ethiopia
-
Addis Ababa Ethiopia (1)
-
Awash Valley (3)
-
Fantale (2)
-
Hadar (5)
-
Omo Ethiopia (1)
-
Omo River (1)
-
Omo Valley (4)
-
Wallo Ethiopia (2)
-
-
Ethiopian Rift (23)
-
Kenya
-
Kenya Rift valley (3)
-
-
Lake Turkana (6)
-
Malawi (1)
-
Mozambique (5)
-
Somali Republic (18)
-
Sudan (7)
-
Tanzania
-
Laetoli (1)
-
Olduvai Gorge (1)
-
-
Turkana Basin (4)
-
Uganda (2)
-
-
East African Lakes
-
Lake Kivu (1)
-
Lake Turkana (6)
-
-
East African Rift (16)
-
Gregory Rift (2)
-
Madagascar
-
Mahajanga Basin (1)
-
-
Mozambique Belt (3)
-
Nile Valley (1)
-
North Africa
-
Algeria (3)
-
Egypt
-
Nile Delta (1)
-
-
Libya (1)
-
Morocco (1)
-
Tunisia (1)
-
-
Nubia (1)
-
Nubian Shield (7)
-
Sahara (1)
-
Southern Africa
-
Karoo Basin (2)
-
Lesotho (2)
-
Namibia (1)
-
South Africa (5)
-
Zimbabwe (1)
-
-
Tibesti Massif (1)
-
West Africa
-
Benin (3)
-
Cameroon (3)
-
Chad (1)
-
Ghana (3)
-
Guinea (1)
-
Ivory Coast (3)
-
Liberia (2)
-
Mali (1)
-
Mauritania (2)
-
Niger (1)
-
Nigeria
-
Jos Plateau (1)
-
-
Sierra Leone (1)
-
Togo (1)
-
-
-
Antarctica (2)
-
Arctic Ocean (1)
-
Asia
-
Arabian Peninsula
-
Arabian Shield (2)
-
Saudi Arabia (5)
-
Yemen (5)
-
-
Far East
-
Indonesia
-
Sumatra (1)
-
-
Japan
-
Honshu
-
Iwate Japan
-
Kakkonda Field (1)
-
Onikobe Field (1)
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Journal Article
Pressure-Temperature-Fluid Constraints for the Formation of the Halo-Shakiso Emerald Deposit, Southern Ethiopia: Fluid Inclusion and Stable Isotope Studies
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 22 February 2022
The Canadian Mineralogist (2022) 60 (1): 29–48.
Journal Article
The formation of alluvial platinum-group minerals: present knowledge and the way ahead
Journal: Mineralogical Magazine
Published: 21 January 2021
Mineralogical Magazine (2021) 85 (1): 12–21.
Journal Article
A review of amber and copal occurrences in Africa and their paleontological significance
Publisher: Société Géologique de France
Published: 26 June 2020
Bulletin de la Société Géologique de France (2020) 191 (1): 17.
Journal Article
Pedogenic origin of Mezezo opal hosted in Ethiopian Miocene rhyolites
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 08 April 2020
The Canadian Mineralogist (2020) 58 (2): 231–246.
Journal Article
Provenance of Ordovician–Silurian and Carboniferous–Permian glaciogenic successions in Ethiopia revealed by detrital zircon U–Pb geochronology
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 13 September 2019
Journal of the Geological Society (2020) 177 (1): 141–152.
Journal Article
Birth of the East African Rift System: Nucleation of magmatism and strain in the Turkana Depression
Samuel C. Boone, Barry P. Kohn, Andrew J.W. Gleadow, Christopher K. Morley, Christian Seiler, David A. Foster
Journal: Geology
Publisher: Geological Society of America
Published: 12 August 2019
Geology (2019) 47 (9): 886–890.
Journal Article
Strike-slip tectonics during rift linkage
Journal: Geology
Publisher: Geological Society of America
Published: 30 November 2018
Geology (2019) 47 (1): 31–34.
Journal Article
Slope hazards on the Ethiopian road network
Publisher: Geological Society of London
Published: 21 August 2018
Quarterly Journal of Engineering Geology and Hydrogeology (2019) 52 (3): 295–311.
Journal Article
Magmatically assisted off-rift extension—The case for broadly distributed strain accommodation
Brandon Chiasera, Tyrone O. Rooney, Guillaume Girard, Gezahegn Yirgu, Eric Grosfils, Dereje Ayalew, Paul Mohr, James R. Zimbelman, Michael S. Ramsey
Journal: Geosphere
Publisher: Geological Society of America
Published: 11 July 2018
Geosphere (2018) 14 (4): 1544–1563.
Includes: Supplemental Content
Journal Article
The arc of the Snowball: U-Pb dates constrain the Islay anomaly and the initiation of the Sturtian glaciation
Scott MacLennan, Yuem Park, Nicholas Swanson-Hysell, Adam Maloof, Blair Schoene, Mulubrhan Gebreslassie, Eliel Antilla, Tadele Tesema, Mulugeta Alene, Bereket Haileab
Journal: Geology
Publisher: Geological Society of America
Published: 26 April 2018
Geology (2018) 46 (6): 539–542.
Journal Article
The development of the East African margin during Jurassic and Lower Cretaceous times: a perspective from global tectonics
Journal: Petroleum Geoscience
Publisher: Geological Society of London
Published: 08 December 2017
Petroleum Geoscience (2018) 24 (1): 41–56.
Journal Article
Re-imagining and re-imaging the development of the East African Rift
Journal: Petroleum Geoscience
Publisher: Geological Society of London
Published: 23 November 2017
Petroleum Geoscience (2018) 24 (1): 21–40.
Journal Article
Gigantic lion, Panthera leo , from the Pleistocene of Natodomeri, eastern Africa
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 09 November 2017
Journal of Paleontology (2018) 92 (2): 305–312.
Journal Article
History of the development of Permian–Cretaceous rifts in East Africa: a series of interpreted maps through time
Journal: Petroleum Geoscience
Publisher: Geological Society of London
Published: 09 November 2017
Petroleum Geoscience (2018) 24 (1): 8–20.
Journal Article
The origin of the ultramafic rocks of the Tulu Dimtu Belt, western Ethiopia – do they represent remnants of the Mozambique Ocean?
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 30 October 2017
Geological Magazine (2019) 156 (1): 62–82.
Journal Article
Recurrent explosive eruptions from a high-risk Main Ethiopian Rift volcano throughout the Holocene
Catherine M. Martin-Jones, Christine S. Lane, Nicholas J.G. Pearce, Victoria C. Smith, Henry F. Lamb, Frank Schaebitz, Finn Viehberg, Maxwell C. Brown, Ute Frank, Asfawossen Asrat
Journal: Geology
Publisher: Geological Society of America
Published: 19 October 2017
Geology (2017) 45 (12): 1127–1130.
Journal Article
Settling the issue of “decoupling” between atmospheric carbon dioxide and global temperature: [CO 2 ] atm reconstructions across the warming Paleogene-Neogene divide
Tekie Tesfamichael, Bonnie Jacobs, Neil Tabor, Lauren Michel, Ellen Currano, Mulugeta Feseha, Richard Barclay, John Kappelman, Mark Schmitz
Journal: Geology
Publisher: Geological Society of America
Published: 02 October 2017
Geology (2017) 45 (11): 999–1002.
Journal Article
The Precious Opal Deposit At Wegel Tena, Ethiopia: Formation VIA Successive Pedogenesis Events
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 July 2017
The Canadian Mineralogist (2017) 55 (4): 701–723.
Journal Article
Structure and dynamics of surface uplift induced by incremental sill emplacement
Craig Magee, Ian D. Bastow, Benjamin van Wyk de Vries, Christopher A.-L. Jackson, Rachel Hetherington, Miruts Hagos, Murray Hoggett
Journal: Geology
Publisher: Geological Society of America
Published: 01 May 2017
Geology (2017) 45 (5): 431–434.