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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Central Africa
-
Angola (1)
-
-
North Africa
-
Algeria (3)
-
Egypt
-
Eastern Desert (1)
-
Sinai Egypt (1)
-
-
-
Southern Africa
-
South Africa
-
Bushveld Complex (1)
-
Eastern Cape Province South Africa (1)
-
Free State South Africa (1)
-
Gauteng South Africa
-
Johannesburg South Africa (1)
-
-
KwaZulu-Natal South Africa (1)
-
Transvaal region (1)
-
Western Cape Province South Africa (1)
-
Witwatersrand (1)
-
-
-
West Africa (1)
-
-
Arctic Ocean
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Barents Sea (3)
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Norwegian Sea
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Haltenbanken (1)
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-
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Arctic region
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Svalbard (1)
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Asia
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Arabian Peninsula
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Kuwait (1)
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Saudi Arabia (2)
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Central Asia (1)
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Far East
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China
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Anhui China (1)
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Dabie Mountains (1)
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Sichuan China (1)
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Xinjiang China
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Hami Basin (1)
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Tarim Basin (1)
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Turpan Basin (1)
-
-
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Indonesia
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Sumatra
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Toba Lake (1)
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-
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Japan
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Honshu
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Kanto Plain (1)
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Kinki Japan (1)
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Nagano Japan (1)
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Kyushu (1)
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Korea (3)
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Malay Peninsula (1)
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Philippine Islands
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Luzon
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Mount Pinatubo (1)
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Taiwan (1)
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Himalayas (1)
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Indian Peninsula
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India
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Bengal Islands
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Karnataka India (1)
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Maharashtra India
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Koyna Dam (1)
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Koyna River (1)
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Northeastern India
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Assam India (1)
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Satpura Range (1)
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West Bengal India
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Darjeeling India (1)
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-
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Indian Shield (1)
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Kamchatka Russian Federation
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Krasnoyarsk Russian Federation (1)
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Kyrgyzstan (1)
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Main Boundary Fault (1)
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Middle East
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Dead Sea (1)
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Iran
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Elburz (1)
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Tehran Iran (1)
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Iraq (1)
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Israel
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Elath Israel (1)
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Turkey
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Anatolia (1)
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Istanbul Turkey (1)
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Kocaeli Turkey
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Izmit Turkey (1)
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North Anatolian Fault (1)
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Sea of Marmara region (1)
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Zagros (2)
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Russian Pacific region (2)
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Sakhalin Russian Federation
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Kuril Islands (1)
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Siberia (1)
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Siberian Platform (1)
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Sri Lanka (2)
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Tibetan Plateau (2)
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Tien Shan (1)
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West Siberia (1)
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Yakutia Russian Federation (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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Gulf of Mexico
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Mississippi Canyon (1)
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Sigsbee Escarpment (1)
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-
Gulf of Saint Lawrence (1)
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Irish Sea (2)
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North Sea
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Brent Field (1)
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Gullfaks Field (1)
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Oseberg Field (1)
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Valhall Field (4)
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Viking Graben (2)
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Atlantic Ocean Islands
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Shetland Islands (1)
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Australasia
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Australia
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Western Australia (1)
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Papua New Guinea
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Blue Mountain Lake (1)
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Canada
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Newfoundland and Labrador
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Ontario
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Quebec
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Nunavut
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Sverdrup Islands
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Queen Elizabeth Islands
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Western Canada
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Alberta
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Dinosaur Provincial Park (1)
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Peace River Arch (1)
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British Columbia (3)
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Canadian Rocky Mountains (1)
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Northwest Territories (3)
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Saskatchewan
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Weyburn Field (1)
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Caribbean region
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West Indies
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Antilles
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Greater Antilles
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Jamaica (1)
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Puerto Rico (2)
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Lesser Antilles
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Virgin Islands
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-
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-
-
Cascade Range (2)
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Central America
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Costa Rica (1)
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Guatemala
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Motagua Fault (1)
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-
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Central Valley (1)
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Cerro Prieto (1)
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Chocolate Mountains (1)
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Coast Ranges (3)
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Commonwealth of Independent States
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Caucasus (1)
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Kyrgyzstan (1)
-
Russian Federation
-
Kamchatka Russian Federation
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Kamchatka Peninsula (1)
-
-
Krasnoyarsk Russian Federation (1)
-
Russian Pacific region (2)
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Sakhalin Russian Federation
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Kuril Islands (1)
-
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Siberian Platform (1)
-
Yakutia Russian Federation (1)
-
-
West Siberia (1)
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-
Death Valley (1)
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Diablo Range (1)
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DSDP Site 504 (1)
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East Pacific Ocean Islands
-
Hawaii
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Hawaii County Hawaii
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Hawaii Island
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Kilauea (1)
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Mauna Loa (1)
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East Rift Zone (1)
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Eurasia (1)
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Europe
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Alps
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Rhaetian Alps
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Eastern Alps
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French Alps (1)
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Western Alps
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Mont Blanc (1)
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Carpathian Foredeep (1)
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Carpathians
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Caucasus (1)
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Central Europe
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Czech Republic
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Bohemia (1)
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Germany
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Hesse Germany
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Messel Germany (1)
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Lower Saxony Germany (1)
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North Rhine-Westphalia Germany (1)
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Saxony-Anhalt Germany (1)
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Poland (1)
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Slovakia (1)
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Slovakian Pannonian Basin (1)
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Switzerland
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Basel Switzerland (1)
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Swiss Alps (1)
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Zurich Switzerland (1)
-
-
Upper Rhine Graben (1)
-
Vienna Basin (1)
-
-
Pannonian Basin
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Slovakian Pannonian Basin (1)
-
-
Pyrenees (2)
-
Southern Europe
-
Greece
-
Greek Macedonia
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Salonika Greece (1)
-
-
-
Iberian Peninsula
-
Spain
-
Ebro Basin (1)
-
-
-
Italy
-
Apennines
-
Northern Apennines (1)
-
-
Apulia Italy (1)
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Lessini Mountains (1)
-
Lombardy Italy
-
Adamello Massif (1)
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Pavia Italy (1)
-
Sondrio Italy (1)
-
-
Sardinia Italy (2)
-
Sicily Italy
-
Lipari Islands
-
Vulcano (1)
-
-
Mount Etna (2)
-
-
Trentino-Alto Adige Italy (1)
-
Veneto Italy
-
Verona Italy (1)
-
-
-
Macedonia
-
Greek Macedonia
-
Salonika Greece (1)
-
-
-
Romania
-
Walachia
-
Bucharest Romania (1)
-
-
-
-
Western Europe
-
France
-
Aquitaine Basin (1)
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Armorican Massif (1)
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French Alps (1)
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Meuse France (1)
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Iceland
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Laki (1)
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Ireland (1)
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Netherlands (1)
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Scandinavia
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Finland (1)
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Norway
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Bergen Norway (1)
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Finnmark Norway (1)
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Sweden (1)
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-
United Kingdom
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Great Britain
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England
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Sussex England
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East Sussex England (1)
-
-
-
Scotland
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Hebrides
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Outer Hebrides (1)
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-
Shetland Islands (1)
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-
Wales (2)
-
-
-
-
-
Front Range (1)
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Grays Harbor (1)
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Green Canyon (2)
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Imperial Valley (6)
-
Indian Ocean
-
Andaman Sea (1)
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Arabian Sea
-
Persian Gulf (1)
-
-
Bay of Bengal
-
Andaman Basin (1)
-
-
Red Sea
-
Gulf of Suez (1)
-
-
-
Krishna-Godavari Basin (1)
-
Mediterranean region (1)
-
Mediterranean Sea
-
East Mediterranean
-
Ionian Sea
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Gulf of Corinth (1)
-
-
Levantine Basin (1)
-
-
West Mediterranean
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Gulf of Lion (3)
-
-
-
Mexico
-
Baja California (6)
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Baja California Mexico (2)
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Guerrero Mexico (1)
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Jalisco Mexico
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Colima (1)
-
-
Mexico state
-
Federal District Mexico
-
Mexico City Mexico (1)
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-
-
Michoacan Mexico (1)
-
Oaxaca Mexico (1)
-
-
North America
-
Appalachians
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Northern Appalachians (1)
-
-
Basin and Range Province
-
Great Basin (1)
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-
Canadian Shield
-
Grenville Province (1)
-
-
Cerro Prieto Fault (2)
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Denali Fault (1)
-
Gulf Coastal Plain (5)
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Mexicali Valley (2)
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Rocky Mountains
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Canadian Rocky Mountains (1)
-
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Western Canada Sedimentary Basin (2)
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North West Shelf (1)
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Oceania
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Micronesia
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Mariana Islands
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Guam (1)
-
-
-
Polynesia
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French Polynesia (1)
-
Hawaii
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Hawaii County Hawaii
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Hawaii Island
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Kilauea (1)
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-
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Mauna Loa (1)
-
-
-
-
Pacific Ocean
-
East Pacific
-
Costa Rica Rift (1)
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East Pacific Rise (1)
-
Northeast Pacific
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Juan de Fuca Ridge
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Endeavour Ridge (1)
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Middle America Trench (1)
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Queen Charlotte Basin (1)
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Equatorial Pacific (1)
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North Pacific
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Northeast Pacific
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Juan de Fuca Ridge
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Endeavour Ridge (1)
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Middle America Trench (1)
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Queen Charlotte Basin (1)
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Northwest Pacific
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Kuril Trench (1)
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Nankai Trough (4)
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Okhotsk Sea (1)
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Pigafetta Basin (1)
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South China Sea
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Zhujiangkou Basin (1)
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-
-
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South Pacific (1)
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West Pacific
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Northwest Pacific
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Kuril Trench (1)
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Nankai Trough (4)
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Okhotsk Sea (1)
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Pigafetta Basin (1)
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South China Sea
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Zhujiangkou Basin (1)
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Pacific region
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Circum-Pacific region (1)
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Peninsular Ranges (1)
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Queen Charlotte Sound (1)
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San Andreas Fault (6)
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South America
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Argentina
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Brazil
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United States
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Alabama
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Alaska
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Imperial County California
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Inyo County California
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Los Angeles County California
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San Bernardino County California
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San Francisco County California
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Siskiyou County California
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Florida
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Hawaii
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Idaho
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Michigan
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Minnesota
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Missouri
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New Madrid County Missouri
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Montana (2)
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Nebraska
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Box Butte County Nebraska (1)
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Nevada Test Site (2)
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New Hampshire
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Coos County New Hampshire (2)
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New Mexico (1)
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New York
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Genesee County New York (1)
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Hamilton County New York (1)
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Wyoming County New York (1)
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North Carolina (1)
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Ohio (1)
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Oklahoma
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Oregon
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Lane County Oregon (1)
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Pilot Range (1)
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South Carolina
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Tennessee
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Texas
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Washington County Vermont (1)
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Virginia
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Washington
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USSR (1)
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commodities
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brines (5)
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geothermal energy (1)
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limestone deposits (1)
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metal ores
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mineral deposits, genesis (2)
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mineral exploration (3)
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mineral resources (2)
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carbon
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chlorine
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iodine
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hydrogen
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radioactive isotopes
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tritium (1)
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stable isotopes
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C-13/C-12 (7)
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D/H (3)
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deuterium (3)
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aluminum
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chromium (1)
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gold (1)
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hafnium
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Hf-177/Hf-176 (1)
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iron
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ferrous iron (7)
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lead
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molybdenum (2)
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nickel
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Primary terms
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
asymptotic ray theory
Asymptotic ray theory and synthetic seismograms for laterally varying structures: theory and application to the imperial valley, California Available to Purchase
Practical synthetic seismograms for laterally varying media calculated by asymptotic ray theory Available to Purchase
Comparison of synthetic seismograms for anelastic media by asymptotic ray theory and the Thomson-Haskell method Available to Purchase
Modeling of zero-offset reflection profiles with asymptotic ray theory Free
Synthetic seismograms for SH waves in layered anelastic medium by asymptotic ray theory Available to Purchase
Teleseismic Response of a Multi-layered Dipping Media using Asymptotic Ray Theory Free
Synthetic seismograms for deep seismic sounding studies using asymptotic ray theory Available to Purchase
Body-wave seismograms in inhomogeneous media using Maslov asymptotic theory Available to Purchase
The ray reflectivity method with critically refracted waves Available to Purchase
Dynamic properties of reflected and head waves near the critical point Free
SH waves in layered transversely isotropic media—a wave approach Free
Reflection and transmission coefficients for transversely isotropic media Available to Purchase
Tutorial on the Numerical Modeling of Edge Diffracted Waves by the Ray Method Available to Purchase
Summary The concept of diffracted rays introduced by Keller (1962) opened the way for a ray approach in the numerical modeling of the diffraction phenomena frequently seen in the seismic field records. Unlike the computation of travel times, which has never caused any difficulties being governed by the same eikonal equation as are the rays of ordinary seismic body waves, the evaluation of the diffracted ray amplitude has been another story. In this paper we give a tutorial account of a highly promising technique for the computation of the ray amplitude of seismic waves diffracted by linear edges on seismic interfaces originally presented by Klem-Musatov (1980, 1995). We demonstrate the adequacy of this technique on a series of SH synthetic traces containing diffracted arrivals, some of them diffracted more than once. Our computer program is based on a successful combination of Klem-Musatov’s approach with the zero order approximation of the Asymptotic Ray Theory (Cerveny and Hron, 1980). We showed in the paper that both techniques are ideally suited for such a combination, since the ray amplitude evaluation in each of them is based on the same transport equation. In our tutorial review we present all formulae which are needed for a practical implementation of the method and provide their physical interpretation, wherever possible, by using the numerical examples presented in the paper.
Reciprocity principle and the approximate solution of the wave equation Available to Purchase
Modeling of atmospheric nuclear explosions over a mountainous region by vertical and horizontal single forces Available to Purchase
The ray series method and dynamic ray tracing system for three-dimensional inhomogeneous media Available to Purchase
Phase Shifts at Caustics in Anisotropic Media Available to Purchase
Abstract Abstract It is well known from asymptotic ray theory that the complex wave amplitude along a ray undergoes a phase shift every time the ray touches a caustic surface. If the slowness surface associated with the propagation of this ray is not convex, which is possible for quasi-shear waves in anisotropic elastic media, the phase shift may be opposite in sign from the isotropic case. We present a simple explanation for this phenomenon based on the relation between slowness surfaces and the delay time function. We demonstrate that both the approaching and the receding wavefronts are convex toward the caustic in the anomalous case. This is exactly the opposite of the more familiar isotropic case. Since the magnitude of the phase shift is π/2 in both cases, neglecting the possibility of an anomalous phase shift may introduce a phase error of ±π in the calculated wavefield. Nonconvex quasi-S slowness surfaces frequently arise in naturally occurring anisotropy, and curved reflecting boundaries and other heterogeneities lead to a profusion of caustics. Therefore, encountering this problem is quite likely in practical exploration geophysics using shear-wave imaging.