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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Afar (1)
-
Central Africa
-
Equatorial Guinea (1)
-
Rwanda (1)
-
-
Chad Basin (1)
-
East Africa
-
Afar Depression (1)
-
Djibouti (1)
-
Eritrea
-
Dahlak Islands (1)
-
-
Ethiopia (6)
-
Ethiopian Rift (2)
-
Kenya
-
Lake Magadi (2)
-
-
Lake Natron (2)
-
Lake Turkana (2)
-
Somali Republic (1)
-
Sudan (3)
-
-
East African Lakes
-
Lake Magadi (2)
-
Lake Natron (2)
-
Lake Tanganyika (3)
-
Lake Turkana (2)
-
-
East African Rift (4)
-
Gregory Rift (1)
-
Kalahari Desert (1)
-
Madagascar (1)
-
Nile River (1)
-
North Africa
-
Algeria
-
Ahaggar (1)
-
Tassili n'Ajjer (1)
-
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
High Atlas (2)
-
Middle Atlas (2)
-
-
-
Egypt
-
Eastern Desert (8)
-
-
Ghadames Basin (1)
-
Libya
-
Murzuk Basin (3)
-
-
Morocco
-
Moroccan Atlas Mountains
-
High Atlas (2)
-
Middle Atlas (2)
-
-
-
Tunisia (1)
-
-
Nubian Shield (2)
-
Sahara (4)
-
Southern Africa
-
Botswana (2)
-
Karoo Basin (1)
-
Namaqualand (1)
-
Namibia (1)
-
Orange River (1)
-
South Africa
-
Bushveld Complex (1)
-
Cape Province region (1)
-
Northern Cape Province South Africa (2)
-
Western Cape Province South Africa (1)
-
-
-
Tibesti Massif (1)
-
West Africa
-
Chad (2)
-
Guinea (1)
-
Mauritania (1)
-
Mauritanides (1)
-
Niger River (1)
-
Nigeria
-
Niger Delta (1)
-
-
Senegal (1)
-
Sierra Leone (1)
-
-
-
Andros Island (1)
-
Antarctica
-
Antarctic ice sheet
-
East Antarctic ice sheet (1)
-
-
Antarctic Peninsula (1)
-
Victoria Land
-
McMurdo dry valleys (1)
-
Terra Nova Bay (1)
-
-
-
Arctic Ocean
-
Barents Sea (1)
-
-
Arctic region
-
Greenland
-
East Greenland (1)
-
-
-
Asia
-
Altai Mountains
-
Mongolian Altai (1)
-
-
Arabian Peninsula
-
Arabian Shield (3)
-
Kuwait (1)
-
Oman
-
Oman Mountains (2)
-
-
Saudi Arabia
-
Hejaz Saudi Arabia
-
Jeddah Saudi Arabia (1)
-
-
-
United Arab Emirates
-
Abu Dhabi (2)
-
-
Yemen (1)
-
-
Baikal rift zone (3)
-
Brahmaputra River (2)
-
Central Asia
-
Kazakhstan (2)
-
Pamirs (1)
-
-
Far East
-
Borneo
-
East Malaysia
-
Sabah Malaysia (1)
-
-
-
Burma (1)
-
China
-
Altyn Tagh Fault (1)
-
Gansu China (2)
-
Hubei China (1)
-
Inner Mongolia China (1)
-
Kunlun Fault (1)
-
Ningxia China (1)
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Qaidam Basin (2)
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Qinghai China (2)
-
Sichuan China (2)
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Songliao Basin (1)
-
Xizang China (3)
-
-
Indonesia
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Celebes (1)
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Irian Jaya Indonesia (1)
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Java (2)
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Moluccas (1)
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Tambora (1)
-
-
Japan
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Honshu
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Niigata Japan (1)
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-
-
Korea (1)
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Lesser Sunda Islands
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Tambora (1)
-
-
Malaysia
-
East Malaysia
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Sabah Malaysia (1)
-
-
-
Mongolia
-
Hangay Mountains (1)
-
Mongolian Altai (1)
-
-
Philippine Islands
-
Luzon
-
Taal (1)
-
-
-
Thailand (2)
-
-
Ganges River (1)
-
Himalayas
-
Garhwal Himalayas (1)
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Kumaun Himalayas (1)
-
Zanskar Range (1)
-
-
Indian Peninsula
-
Ganga Basin (1)
-
India
-
Andhra Pradesh India
-
Cuddapah Basin (4)
-
Visakhapatnam India (1)
-
-
Beas River (1)
-
Bihar India
-
Munger India (1)
-
-
Chhattisgarh India
-
Raipur India (2)
-
-
Damodar Valley (1)
-
Dharwar Craton (2)
-
Ghats
-
Eastern Ghats (2)
-
Western Ghats (1)
-
-
Gujarat India
-
Kutch India (1)
-
Saurashtra (1)
-
-
Himachal Pradesh India (1)
-
Jharkhand India
-
Rajmahal India (1)
-
Ranchi India (1)
-
Singhbhum India (1)
-
-
Karnataka India
-
Chitradurga schist belt (1)
-
-
Madhya Pradesh India
-
Sidhi India (1)
-
-
Maharashtra India
-
Bhandara India (2)
-
Chandrapur India (2)
-
-
Narmada Valley (1)
-
Northeastern India
-
Arunachal Pradesh India (1)
-
Assam India (1)
-
-
Punjab India (2)
-
Rajasthan India
-
Aravalli Range (1)
-
Bikaner India (1)
-
Jaisalmer India (1)
-
Jhunjhunu India (1)
-
-
Shillong Plateau (1)
-
Son Valley (2)
-
Tamil Nadu India (2)
-
Uttar Pradesh India (4)
-
Uttarakhand India
-
Garhwal Himalayas (1)
-
Uttarkashi India
-
Gangotri Glacier (1)
-
-
-
West Bengal India
-
Burdwan India (1)
-
Darjeeling India (1)
-
Purulia India (1)
-
Raniganj coal field (1)
-
-
Yamuna River (1)
-
-
Indo-Gangetic Plain (2)
-
Jammu and Kashmir
-
Jammu (1)
-
Kashmir (2)
-
Kashmir Valley (1)
-
-
Kosi Basin (1)
-
Pakistan
-
Baluchistan Pakistan (1)
-
North-West Frontier Pakistan (1)
-
-
Thar Desert (3)
-
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Indus River (1)
-
Karakoram (1)
-
Kopet-Dag Range (2)
-
Lake Baikal (2)
-
Middle East
-
Dead Sea (1)
-
Dead Sea Rift (1)
-
Iran
-
Fars Iran (1)
-
Kerman Iran (1)
-
Lut Desert (1)
-
Sanandaj-Sirjan Zone (1)
-
-
Iraq (3)
-
Israel (1)
-
Lebanon (1)
-
Syria (2)
-
Turkey
-
Anatolia (1)
-
Istanbul Turkey (1)
-
North Anatolian Fault (1)
-
Sea of Marmara region (1)
-
-
Zagros (6)
-
-
Siberia (2)
-
Siwalik Range (1)
-
Sri Lanka (2)
-
Tajikistan
-
Tajik Depression (2)
-
-
Tibetan Plateau (6)
-
Tien Shan
-
Alai Range
-
Hissar Range (1)
-
-
-
Turan (1)
-
Turkmenia
-
Karakum (1)
-
-
-
Atlantic Ocean
-
North Atlantic
-
Bay of Fundy (1)
-
Caribbean Sea (1)
-
Exuma Sound (2)
-
Great Bahama Bank (6)
-
Gulf of Guinea (1)
-
Gulf of Mexico
-
Florida Bay (3)
-
Yucatan Shelf (2)
-
-
Gulf of Saint Lawrence (1)
-
Little Bahama Bank (2)
-
North Sea (2)
-
Straits of Florida (1)
-
-
-
Australasia
-
Australia
-
New South Wales Australia (1)
-
Western Australia
-
Eastern Goldfields (1)
-
Yilgarn Craton (2)
-
-
-
New Zealand
-
Nelson New Zealand (1)
-
Westland New Zealand (1)
-
-
Papua (1)
-
Papua New Guinea (3)
-
-
Avalon Zone (1)
-
Buckskin Mountains (2)
-
Canada
-
Eastern Canada
-
Maritime Provinces
-
Nova Scotia
-
Minas Basin (1)
-
-
-
Newfoundland and Labrador
-
Labrador (1)
-
Newfoundland
-
Great Northern Peninsula (1)
-
-
-
Ontario
-
Kenora District Ontario
-
Keewatin Ontario (1)
-
-
-
Quebec
-
Anticosti Island (1)
-
-
-
Western Canada
-
Alberta (2)
-
British Columbia (2)
-
Canadian Rocky Mountains (1)
-
Manitoba (1)
-
Northwest Territories (1)
-
-
-
Caribbean region
-
West Indies
-
Bahamas (5)
-
-
-
Caspian Basin (1)
-
Caspian Sea (1)
-
Central America
-
Belize (5)
-
Costa Rica (1)
-
Guatemala
-
Santiaguito (1)
-
-
Nicaragua (1)
-
Panama (1)
-
-
Channeled Scabland (1)
-
Columbia River (1)
-
Columbia River basin (1)
-
Commonwealth of Independent States
-
Armenia (1)
-
Hissar Range (1)
-
Kazakhstan (2)
-
Russian Federation
-
Baikal rift zone (3)
-
Karelia Russian Federation (1)
-
Lake Baikal (2)
-
Murmansk Russian Federation
-
Khibiny Mountains (1)
-
Kola Peninsula (1)
-
-
-
Tajikistan
-
Tajik Depression (2)
-
-
Turan (1)
-
Turkmenia
-
Karakum (1)
-
-
-
Copper Mountain (1)
-
Death Valley (1)
-
East Pacific Ocean Islands
-
Hawaii
-
Hawaii County Hawaii
-
Hawaii Island
-
Halemaumau Crater (1)
-
Kilauea (1)
-
Puu Oo (1)
-
-
-
-
-
Europe
-
Alps
-
Eastern Alps
-
Austroalpine Zone (1)
-
-
Western Alps (2)
-
-
Armenia (1)
-
Central Europe
-
Germany
-
Lower Saxony Germany
-
East Frisian Islands (1)
-
-
-
-
Fennoscandian Shield (1)
-
Karelia Russian Federation (1)
-
Murmansk Russian Federation
-
Khibiny Mountains (1)
-
Kola Peninsula (1)
-
-
Southern Europe
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Balkan Mountains (1)
-
Croatia (1)
-
Iberian Peninsula
-
Portugal (1)
-
Spain
-
Betic Cordillera (1)
-
Extremadura Spain
-
Caceres Spain (1)
-
-
-
-
Italy
-
Calabria Italy (1)
-
Campania Italy
-
Monte Somma (1)
-
Vesuvius (1)
-
-
Piemonte Italy
-
Lanzo Massif (1)
-
Turin Italy (1)
-
-
Sardinia Italy (1)
-
Sesia-Lanzo Zone (1)
-
Sicily Italy
-
Mount Etna (3)
-
-
-
Montenegro (1)
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Serbia (1)
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Yugoslavia (1)
-
-
Western Europe
-
France
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Ardeche France
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Largentiere France (1)
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Armorican Massif (1)
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Languedoc (1)
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Orne France (1)
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Paris Basin (1)
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Iceland (1)
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Scandinavia
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Finland (1)
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Sweden (1)
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-
United Kingdom
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Great Britain
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England
-
Cotswold Hills (1)
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-
Wales
-
Pembrokeshire Wales (1)
-
-
-
-
-
-
Granite Mountains (2)
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Guadalupe Mountains (3)
-
Indian Ocean
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Andaman Sea (1)
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Arabian Sea
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Persian Gulf (4)
-
-
Red Sea
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Gulf of Aqaba (2)
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Gulf of Suez (6)
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Red Sea Rift (1)
-
-
-
Indian Ocean Islands
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Heard Island (1)
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Madagascar (1)
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-
Krishna-Godavari Basin (1)
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Lusitanian Basin (1)
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Mackenzie River valley (1)
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Makran (2)
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Malay Archipelago
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Borneo
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East Malaysia
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Sabah Malaysia (1)
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-
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New Guinea
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Irian Jaya Indonesia (1)
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Mediterranean region (1)
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Mediterranean Sea
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East Mediterranean (2)
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West Mediterranean (1)
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-
Mexico
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Baja California (1)
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Chiapas Mexico (1)
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Chihuahua Mexico (1)
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La Popa Basin (1)
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Sierra Madre Oriental (1)
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Sonora Mexico (1)
-
-
North America
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Appalachians
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-
-
Basin and Range Province (3)
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Canadian Shield (1)
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Chihuahuan Desert (1)
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Eastern Overthrust Belt (1)
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Great Lakes region (1)
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Great Plains
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Southern Great Plains (2)
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-
Grenville Front (1)
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Gulf Coastal Plain (3)
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Michigan Basin (2)
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North American Cordillera (1)
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Rocky Mountains
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U. S. Rocky Mountains
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Absaroka Range (1)
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Bighorn Mountains (1)
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Laramie Mountains (1)
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Wind River Range (3)
-
-
-
Rocky Mountains foreland (1)
-
Sonoran Desert (1)
-
-
North Slope (2)
-
Oceania
-
Polynesia
-
Hawaii
-
Hawaii County Hawaii
-
Hawaii Island
-
Halemaumau Crater (1)
-
Kilauea (1)
-
Puu Oo (1)
-
-
-
-
Tonga
-
Tofua (1)
-
-
-
-
Outer Banks (1)
-
Pacific Ocean
-
East Pacific
-
Cocos Ridge (1)
-
-
South Pacific
-
Southwest Pacific
-
Coral Sea
-
Great Barrier Reef (3)
-
-
-
-
West Pacific
-
Southwest Pacific
-
Coral Sea
-
Great Barrier Reef (3)
-
-
-
-
-
Pasco Basin (1)
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Peace River (1)
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Permian Basin (1)
-
Puna (1)
-
Pyramid Lake (2)
-
Red Lake (1)
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Red Sea Basin (1)
-
Red Sea region (3)
-
Richmond Basin (1)
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Rio Grande Valley (1)
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San Andreas Fault (2)
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San Francisco Peninsula (1)
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San Pedro Valley (1)
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Sand Wash Basin (1)
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Santa Cruz River (1)
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Searles Lake (2)
-
Shark Bay (3)
-
Sierra Madre (1)
-
Sinai (3)
-
South America
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Amazon Basin (2)
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Amazon River (1)
-
Andes
-
Central Andes (2)
-
Eastern Cordillera (1)
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Northern Andes (1)
-
Southern Andes (2)
-
-
Argentina
-
Buenos Aires Argentina (1)
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La Rioja Argentina (1)
-
Neuquen Basin (1)
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Pampean Mountains (1)
-
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Bolivia (1)
-
Brazil
-
Goias Brazil (1)
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Santa Catarina Brazil (1)
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Sao Paulo Brazil (1)
-
-
Chile
-
Antofagasta Chile
-
Lascar (2)
-
-
Magallanes Chile (1)
-
-
Patagonia (1)
-
Peru
-
Arequipa Peru (1)
-
-
Precordillera (1)
-
Tierra del Fuego (1)
-
-
South Island (1)
-
Southern Ocean
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Ross Sea (1)
-
-
Table Mountain (1)
-
Trinity River (1)
-
United States
-
Alaska
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Alaska Peninsula (1)
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National Petroleum Reserve Alaska (1)
-
-
Arizona
-
Graham County Arizona (1)
-
La Paz County Arizona (2)
-
Maricopa County Arizona
-
Phoenix Arizona (1)
-
-
Pima County Arizona
-
Tucson Arizona (1)
-
-
Santa Cruz County Arizona (2)
-
-
Arkansas (1)
-
Atlantic Coastal Plain
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Central Atlantic Coastal Plain (1)
-
-
Bighorn Basin (2)
-
California
-
Kern County California (1)
-
Kettleman Hills (1)
-
Los Angeles County California (1)
-
Mono County California
-
Mono Lake (2)
-
-
San Bernardino County California
-
Cima volcanic field (1)
-
Pisgah Crater (1)
-
-
San Francisco County California
-
San Francisco California (1)
-
-
Southern California (3)
-
-
Cheyenne Belt (1)
-
Colorado
-
El Paso County Colorado
-
Colorado Springs Colorado (1)
-
-
Logan County Colorado (1)
-
Morgan County Colorado (1)
-
Sedgwick County Colorado (1)
-
Washington County Colorado (1)
-
Weld County Colorado (1)
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Yuma County Colorado (1)
-
-
Colorado Plateau (2)
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Columbia Plateau (1)
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Denver Basin (3)
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Eastern U.S. (1)
-
Florida
-
Florida Keys (1)
-
-
Hawaii
-
Hawaii County Hawaii
-
Hawaii Island
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Halemaumau Crater (1)
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Kilauea (1)
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Puu Oo (1)
-
-
-
-
Idaho (1)
-
Illinois
-
Adams County Illinois (1)
-
-
Kansas
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Ellis County Kansas (1)
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Graham County Kansas (1)
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-
Kentucky (1)
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Llano Estacado (1)
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Louisiana
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Atchafalaya Bay (1)
-
Atchafalaya River (1)
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Saint Martin Parish Louisiana (1)
-
-
Maryland (1)
-
Michigan
-
Michigan Lower Peninsula
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Arenac County Michigan (1)
-
Bay County Michigan (1)
-
Gladwin County Michigan (1)
-
Gratiot County Michigan (1)
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Midland County Michigan (2)
-
Saginaw County Michigan (1)
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Tuscola County Michigan (1)
-
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Michigan Upper Peninsula
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Menominee County Michigan (1)
-
-
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Midcontinent (1)
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Mississippi Delta (3)
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Mississippi River (3)
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-
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Missouri
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Saint Francois Mountains (1)
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Missouri River (1)
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Mojave Desert (3)
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Montana
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Sheridan County Montana (1)
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Nebraska (1)
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Nemaha Ridge (1)
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Nevada
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Carson City County Nevada (1)
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Esmeralda County Nevada
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Goldfield Nevada (1)
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Eureka County Nevada
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-
-
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New Mexico
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Hidalgo County New Mexico (1)
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Lincoln County New Mexico (1)
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Socorro County New Mexico (1)
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New York (1)
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North Carolina
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Carteret County North Carolina (1)
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Robeson County North Carolina (1)
-
-
Ohio
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Ashtabula County Ohio (1)
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Auglaize County Ohio (1)
-
Summit County Ohio
-
Akron Ohio (1)
-
-
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Ohio River (1)
-
Pennsylvania
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Erie County Pennsylvania (1)
-
-
Powder River basin (6)
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Rhode Island (1)
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Southwestern U.S. (2)
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Marathon Geosyncline (1)
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Potter County Texas (1)
-
West Texas (1)
-
-
U. S. Rocky Mountains
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Absaroka Range (1)
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Bighorn Mountains (1)
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Laramie Mountains (1)
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Wind River Range (3)
-
-
Utah
-
Great Salt Lake (2)
-
-
Virginia (2)
-
Washington
-
Benton County Washington (1)
-
Spokane County Washington
-
Spokane Washington (1)
-
-
Walla Walla County Washington (1)
-
-
West Virginia
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Invertebrata
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Plantae
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Rhodophyta
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thallophytes (1)
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geochronology methods
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geologic age
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Cenozoic
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Tertiary
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Ogallala Formation (1)
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upper Neogene (2)
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Paleogene
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Eocene
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Aquia Formation (1)
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Nanjemoy Formation (1)
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upper Eocene (1)
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Oligocene (2)
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Paleocene
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lower Paleocene (1)
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Wasatch Formation (2)
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upper Cenozoic
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Gubik Formation (1)
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Lake Bonneville (2)
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Mesozoic
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Cretaceous
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Lower Cretaceous
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Upper Cretaceous
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Paleozoic
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Devonian (2)
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Permian
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Upper Permian
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Silurian
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Precambrian
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Proterozoic
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igneous rocks
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ophiolite (6)
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orthosilicates
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sheet silicates
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sulfates
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sulfides
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Primary terms
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absolute age (5)
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Africa
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North Africa
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Egypt
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South Africa
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Tibesti Massif (1)
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Asia
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Malaysia
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Indian Peninsula
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India
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Indo-Gangetic Plain (2)
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Jammu and Kashmir
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Kosi Basin (1)
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Pakistan
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Thar Desert (3)
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Zagros (6)
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Turan (1)
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Turkmenia
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associations (1)
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Atlantic Ocean
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atmosphere (2)
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Australasia
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New Zealand
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Canada
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carbon
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Caribbean region
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catalogs (1)
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Cenozoic
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Quaternary
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Mesolithic (1)
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Neoglacial
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upper Holocene
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Little Ice Age (1)
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Pleistocene
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Illinoian (1)
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Lake Agassiz (1)
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Lake Lahontan (2)
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Lake Missoula (1)
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upper Pleistocene
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Weichselian
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upper Weichselian
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Younger Dryas (1)
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Wisconsinan
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upper Quaternary (4)
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Siwalik System (1)
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Stone Age
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
Landsat
REMOTE SENSING-BASED DISCRIMINATION OF HIGHLY FRACTIONATED GRANITE: AN APPLICATION FROM THE HUMR AKARIM AREA ( southeastern desert, Egypt ) Available to Purchase
Glacial Lake Dynamics in Dibang Valley District, Arunachal Pradesh, Eastern Himalaya Available to Purchase
Quantitative Analysis of Planform Changes in the Lower Mahaweli River, Sri Lanka Available to Purchase
The impact of post-cutoff bend curvature on channel kinematics in meandering rivers: an example from the Trinity River, Texas, USA Open Access
Abstract Neck and chute cutoffs along meandering rivers are near-instantaneous morphodynamic perturbations that drive modification of planform channel geometry and kinematics at the cutoff site and in adjacent bends. Despite their ubiquity, quantitative and predictive linkages between post-cutoff planform bend geometry and subsequent bend kinematics remain limited. Here, using a 37-year record of Landsat-derived river channel centrelines from a meandering reach of the Trinity River in Texas (USA) and a newly developed directed graph-based approach for high-resolution channel tracking, we identify a linkage between post-cutoff bend curvature and the magnitude, spatial extent, and temporal duration of cutoff influence on local and non-local channel bend kinematics. We further explore this relationship using a kinematic model of meandering applied to synthetically generated river reaches and the Landsat-derived Trinity River centrelines. While the model captures the observed linkages between post-cutoff bend curvature and resultant bend kinematics, it underpredicts the magnitude of cutoff influence observed in the real centreline data – particularly at the cutoff site – by up to one order of magnitude. Our results provide a promising advance in the characterization and prediction of the spatiotemporal impact of cutoffs on local and non-local post-cutoff channel bend kinematics.
Estimation of Spatial and Temporal Changes in the Net Primary Productivity of an Open Cast Mine in Dongri Buzurg, Maharashtra Utilizing Satellite-based CASA Model Available to Purchase
Land Use and Land Cover Dynamics and Precipitation Trend of Lower Vellar basin, Tamil Nadu, India and its Impact on 2015 Flood Available to Purchase
Spatio-temporal Change in the Glaciers of Astore Basin (North-Western Himalaya), between 2016 and 2021 using Sentinel-2 Satellite Data Available to Purchase
Need for a Multi-Sensor Monitoring Approach for Embankment Failures: Lessons Learned from the Edenville Dam Failure Open Access
Abstract This is a short personal essay on geological field mapping, mostly ‘hard-rock’, with my views, prejudices and conclusions based upon 67 years in geology and 65 field seasons, variably in Western Ireland, Newfoundland, New York and New England, California, Turkey, Tibet, New Zealand, Australia and South Africa. I have also seen a lot of geology in most of the rest of the world with the exception of Antarctica, Siberia and most oceanic islands.
Understanding Morphological Dynamics of the Mahanadi River Reach Available to Purchase
Kīlauea–Leilani 2018 lava flow delineation using Sentinel2 and Landsat8 images Available to Purchase
Abstract Kīlauea is a broad shield volcano built against the southeastern slope of Mauna Loa. The summit presently has a caldera that is roughly 4 km by 3.2 km wide, and walls between 0 and 120 m high. In late April 2018, an eruption involving both the summit crater and the lower East Rift Zone occurred. In this work a quasi-real-time estimation of the evolution of radiant lava flow extension starting from May 2018 for Kīlauea–Leilani eruption using satellite image data is presented. The active lava flow evolution was obtained using Copernicus Sentinel2 (S2) and USGS-Landsat8 (L8) polar satellites acquiring medium/high-spatial-resolution images (20 × 20 m and 30 × 30 m, respectively) in the vis–SWIR–TIR (Short wave infrared-thermal infra red) spectral range. Because of the Kīlauea eruption extension and duration, a multisensor approach was used in order to improve the timing of the information derived by high-spatial-resolution remote-sensed data merging two missions with different revisit times. The 2018 eruptions at Hawaii's Kīlauea Volcano developed rapidly after the initial activity centred on the Pu‘u ‘Ō‘o crater floor on 1 May followed by draining of the lava lake at Halemáumáu Overlook Crater in the following days. During the magma extrusion from the summit, earthquake swarms and ground cracking hit the Leilani Estates neighbourhood on 2 May. With the S2 and L8 sensors we followed the lava flow from 5 May up to mid August, considering also that the activity started to decline from the beginning of August. At the end of the activity, Kīlauea Volcano had experienced its largest lower East Rift Zone eruption and caldera collapse in at least 200 years.
Assessing the Impact of Coastal Erosion on Land use and Landcover, A Time Series Analysis using DSAS and GIS in Cuddalore Shore, Tamil Nadu, India Available to Purchase
Multispectral Imaging in Mapping and Utilization of Sensitive Bands for Characterization of Waste Rock Dumps: A Case Study of Dongri Buzurg Manganese Mine, Maharashtra, India Available to Purchase
Channel Dynamics of a Middle Reach of Rapti River, Eastern Indo-Gangetic Plain, India Available to Purchase
Remote Characterization of the 12 January 2020 Eruption of Taal Volcano, Philippines, Using Seismo‐Acoustic, Volcanic Lightning, and Satellite Observations Available to Purchase
Controls on sediment distribution in a volcanically-affected basin: insights from the Ethiopian Flood Basalt Province Available to Purchase
Abstract This study provides a comprehensive examination of the Oligocene–Miocene Ethiopian Flood Basalt Province (EFBP) within the Blue Nile (Abay) Basin (BNB), Ethiopia. Extensive logging through 29 new sections has enabled an updated stratigraphic account of the BNB to be elucidated and reveals the significance of intravolcanic sedimentary systems within the EFBP. Five sub- and intra-volcanic surfaces were modelled using spot heights to generate isopach maps that were used to constrain the thickness variations within the stratigraphy. Additionally, lineaments, Strahler stream segments and volcanic cones were mapped out from digital elevation models (SRTM DEM) and satellite data (ASTER and LANDSAT 8 imagery). These data were used in conjunction with the isopach maps to better understand the basinal controls on the distribution of intravolcanic sedimentary systems within the BNB. The study reveals how NNE and ESE/SE structural trends have influenced the distribution of volcanoes within the basin, which has in turn disrupted the distribution and lithofacies architecture of the volcanic sequences. The presence of intrabasinal ridges parallel to the major structural trends are also revealed, which formed relatively short-lived drainage divides. The implications of these intrabasinal highs on the composition and the reservoir potential of intravolcanic sedimentary successions are discussed.
Prehistoric landscapes, humans and ostriches: highlighting geoarchaeological issues in the Tapi Basin of Maharashtra (west-central India) – a multidisciplinary approach Available to Purchase
Abstract The formal beginning of geoarchaeology in India can be traced back to 1863 when the first palaeolith was documented and collected by Robert Bruce Foote in Tamil Nadu and later described in a detailed geological context. Today, various geological tools such as geospatial analytical tools are available to provide extra mileage to geoarchaeological investigations. They supplement field evidence and enable researchers to display, manipulate, and model geological data and the associated archaeological evidence. The present paper attempts to summarize the current status of understanding of the Quaternary geoarchaeology of the Tapi River basin in west-central India. The aspects considered include geomorphology, landform evolution, morphometric parameters, relationships between climate and basin evolution and Palaeolithic and Mesolithic evidence. This present study uses Landsat imagery, locational data, Survey of India topographic sheets and Shuttle Radar Topography Mission data in ArcGIS software. The study is the first comprehensive attempt to summarize the issue of prehistoric human adaptations (dominated mainly by Late Pleistocene evidence) through changing environments, with an assumption that the two occurred in synchronization. Another assumption is that the reported lithic and fossil sites and the surrounding areas have preserved signatures of original landforms and sedimentary contexts. Through these perspectives and visual integration of topography, drainage networks and Landsat image parameters in a Geographic Information System platform, along with other variable field inputs, a testable hypothetical model of the Quaternary evolution of Central Tapi valley is proposed. Additionally, an accelerator mass spectrometry (AMS) date of 47 145 cal BP for a newly discovered ostrich eggshell fragment from Sakegaon near Bhusawal is presented and its palaeoanthropological implications are discussed. Altogether, our observations from the study area, such as an expansion of land use from the Acheulean onwards, signatures of arid phases and the oldest reported ostrich eggshell, warrant further detailed multidisciplinary research. An in-depth understanding of the first-to-last occurrences of ostriches in the region and comprehensive picture of their pan-South Asian distribution in general will help address the issue of prehistoric human adaptations through changing environments.