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Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Afar (1)
-
Central Africa
-
Angola (4)
-
Congo Democratic Republic (1)
-
Gabon (1)
-
-
Congo Craton (3)
-
East Africa
-
Ethiopia (1)
-
Kenya
-
Kenya Rift valley (1)
-
Nakuru Basin (1)
-
-
Malawi (1)
-
Mozambique (1)
-
Tanzania (2)
-
-
East African Rift (1)
-
Limpopo Belt (1)
-
Namib Desert (1)
-
North Africa
-
Algeria (2)
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
High Atlas (1)
-
-
-
Egypt
-
Nile Delta (1)
-
Sinai Egypt (1)
-
-
Maghreb (1)
-
Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
High Atlas (1)
-
-
-
Tell (1)
-
Tunisia (1)
-
-
Southern Africa
-
Kaapvaal Craton (1)
-
Karoo Basin (1)
-
Namibia
-
Damara Belt (1)
-
Kaoko Belt (1)
-
-
South Africa
-
Bushveld Complex (1)
-
Cape fold belt (1)
-
Transvaal region (1)
-
Western Cape Province South Africa (1)
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Witwatersrand (2)
-
-
-
West Africa
-
Benue Valley (1)
-
Cameroon (1)
-
Ghana (2)
-
Guinea (1)
-
Ivory Coast (2)
-
Mauritania (1)
-
Nigeria
-
Niger Delta (1)
-
-
-
Zimbabwe Craton (1)
-
-
Altiplano (4)
-
Antarctica
-
Adelaide Island (1)
-
Antarctic ice sheet
-
East Antarctic ice sheet (1)
-
-
East Antarctica (1)
-
Ellsworth Land (1)
-
Marie Byrd Land (2)
-
Victoria Land
-
Mount Melbourne (1)
-
-
Vostok Station (1)
-
West Antarctica (2)
-
-
Arctic Ocean
-
Barents Sea (5)
-
Canada Basin (1)
-
Chukchi Sea (1)
-
Norwegian Sea
-
Haltenbanken (1)
-
More Basin (1)
-
-
-
Arctic region
-
Greenland
-
Greenland ice sheet (1)
-
Jakobshavn Isbrae (1)
-
-
Russian Arctic
-
Novaya Zemlya (2)
-
-
-
Asia
-
Altai Mountains
-
Gorny Altai (1)
-
Kuznetsk Alatau (1)
-
-
Altai Russian Federation
-
Chuya Basin (1)
-
Gorny Altai (1)
-
-
Altai-Sayan region (1)
-
Arabian Peninsula
-
Arabian Shield (2)
-
Kuwait (4)
-
Oman
-
Oman Mountains (1)
-
-
Saudi Arabia (13)
-
United Arab Emirates
-
Abu Dhabi (3)
-
-
-
Baikal region (1)
-
Baikal rift zone (2)
-
Buryat Russian Federation (1)
-
Central Asia
-
Kazakhstan
-
Aktyubinsk Kazakhstan
-
Emba Field (1)
-
-
Eastern Kazakhstan
-
Semipalatinsk Kazakhstan (2)
-
-
Tengiz Field (1)
-
-
-
Far East
-
Borneo
-
East Malaysia
-
Sarawak Malaysia (1)
-
-
Kalimantan Indonesia (1)
-
-
Cambodia (1)
-
China
-
Anhui China (1)
-
Chongqing China (1)
-
Dabie Mountains (1)
-
Guangdong China
-
Guangzhou China (1)
-
-
Guangxi China
-
Guilin (1)
-
-
Guizhou China (1)
-
Heilongjiang China
-
Daqing Field (2)
-
-
Hubei China
-
Jianghan Basin (1)
-
Wuhan China (1)
-
-
Hunan China (1)
-
Inner Mongolia China (1)
-
Kunlun Fault (1)
-
Liaohe Basin (1)
-
Liaoning China (1)
-
Longmenshan (1)
-
North China Platform (4)
-
Ordos Basin (10)
-
Qaidam Basin (5)
-
Qilian Mountains (1)
-
Shandong China
-
Jiyang Depression (1)
-
Shengli Field (1)
-
-
Shanxi China (3)
-
Sichuan Basin (16)
-
Sichuan China (6)
-
Songliao Basin (2)
-
South China Block (2)
-
Xinjiang China
-
Junggar (1)
-
Junggar Basin (2)
-
Kuqa Depression (3)
-
Tarim Basin (7)
-
-
Xizang China
-
Lhasa Block (1)
-
-
Yunnan China (5)
-
Zhejiang China (1)
-
-
Indonesia
-
Kalimantan Indonesia (1)
-
Sumatra (2)
-
Sunda Arc (1)
-
-
Japan
-
Hokkaido (1)
-
Honshu
-
Atotsugawa Fault (1)
-
Chugoku (1)
-
Gifu Japan
-
Hida Japan (1)
-
-
Kanto Mountains (1)
-
Kanto Plain (1)
-
Kinki Japan (1)
-
Niigata Japan (1)
-
Tokyo Japan (1)
-
-
Kyushu
-
Kagoshima Japan
-
Oshima (1)
-
-
Nagasaki Japan
-
Unzen (1)
-
-
-
Ryukyu Islands
-
Oshima (1)
-
-
-
Korea
-
South Korea
-
Kyongsang Basin (1)
-
-
-
Lesser Sunda Islands
-
Timor (1)
-
-
Malaysia
-
East Malaysia
-
Sarawak Malaysia (1)
-
-
-
Mongolia
-
Khubsugul Mongolia (1)
-
-
Philippine Islands (1)
-
Taiwan (6)
-
Thailand (1)
-
Vietnam (1)
-
-
Himalayas
-
Nanga Parbat (1)
-
-
Indian Peninsula
-
Bengal (1)
-
India
-
Andhra Pradesh India
-
Cuddapah Basin (1)
-
Tirupati India (1)
-
-
Bengal Islands
-
Andaman Islands (2)
-
-
Damodar Valley (1)
-
Deccan Plateau (1)
-
Dharwar Craton (2)
-
Ghats
-
Eastern Ghats (1)
-
-
Gujarat India
-
Kutch India (3)
-
-
Madhya Pradesh India
-
Jabalpur India (2)
-
-
Mahanadi Valley (1)
-
Maharashtra India
-
Chandrapur India (1)
-
-
Northeastern India
-
Arunachal Pradesh India (1)
-
-
Rajasthan India (2)
-
Sikkim India (1)
-
Tamil Nadu India (1)
-
Uttar Pradesh India (2)
-
West Bengal India (1)
-
-
Indian Shield (2)
-
Indo-Gangetic Plain (1)
-
Indus Basin (1)
-
Indus Valley (1)
-
Jammu and Kashmir
-
Kashmir (1)
-
Kashmir Valley (1)
-
Nanga Parbat (1)
-
-
Pakistan (5)
-
-
Irkutsk Russian Federation (1)
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Klyuchevskaya Sopka (1)
-
-
-
Kemerovo Russian Federation (1)
-
Khamar-Daban Range (1)
-
Kodar Range (1)
-
Krasnoyarsk Russian Federation (2)
-
Kyrgyzstan (2)
-
Lake Baikal (1)
-
Lena Basin (1)
-
Magadan Russian Federation (1)
-
Main Central Thrust (1)
-
Mekong River (1)
-
Middle East
-
Dead Sea Rift (1)
-
Iran
-
Elburz (1)
-
Fars Iran (1)
-
-
Iraq (1)
-
Israel
-
Negev (2)
-
-
Jordan (2)
-
Syria (1)
-
Turkey
-
Anatolia (3)
-
East Anatolian Fault (1)
-
Elbistan Turkey (1)
-
North Anatolian Fault (2)
-
Pontic Mountains (1)
-
Taurus Mountains (1)
-
-
Zagros (2)
-
-
Okhotsk region (1)
-
Qiangtang Terrane (1)
-
Russian Far East (1)
-
Sakhalin Russian Federation
-
Kuril Islands (1)
-
-
Sayan
-
Eastern Sayan (1)
-
-
Siberia (6)
-
Siberian Platform (4)
-
Sri Lanka (2)
-
Tibetan Plateau (14)
-
Tien Shan
-
Dzhungarian Alatau (1)
-
-
Tomsk Russian Federation (1)
-
Turkmenia (2)
-
Tyumen Russian Federation
-
Khanty-Mansi Russian Federation
-
Surgut Russian Federation (1)
-
-
-
Vilyuy River basin (1)
-
West Siberia
-
Kuznetsk Alatau (1)
-
-
Yakutia Russian Federation (1)
-
Zabaykalskiy Russian Federation (1)
-
-
Atlantic Ocean
-
East Atlantic (2)
-
Equatorial Atlantic (1)
-
North Atlantic
-
Baltic Sea (1)
-
Bay of Biscay (1)
-
Blake-Bahama Outer Ridge (1)
-
Faeroe-Shetland Basin (2)
-
Gulf of Mexico
-
Atwater Valley (1)
-
Ewing Bank (1)
-
Mississippi Canyon (2)
-
Mississippi Fan (1)
-
Sigsbee Escarpment (2)
-
-
Hudson Bay (1)
-
Jeanne d'Arc Basin (1)
-
North Sea
-
Ekofisk Field (3)
-
Forties Field (1)
-
Gullfaks Field (2)
-
Troll Field (3)
-
Valhall Field (13)
-
Viking Graben (4)
-
-
Northeast Atlantic (2)
-
Northwest Atlantic (4)
-
Puerto Rico Trench (1)
-
-
Romanche fracture zone (1)
-
South Atlantic
-
Cape Basin (1)
-
Lower Congo Basin (1)
-
Santos Basin (5)
-
Southeast Atlantic (2)
-
Southwest Atlantic (3)
-
Walvis Ridge (1)
-
-
-
Atlantic Ocean Islands
-
Canary Islands
-
Grand Canary (1)
-
-
Faeroe Islands (1)
-
Shetland Islands (1)
-
-
Atlantic region (1)
-
Australasia
-
Australia
-
Bass Strait (1)
-
Lachlan fold belt (1)
-
New South Wales Australia (4)
-
Officer Basin (1)
-
Otway Basin (1)
-
South Australia
-
Adelaide Australia (1)
-
Olympic Dam Deposit (1)
-
-
Victoria Australia (4)
-
Western Australia
-
Carnarvon Basin (7)
-
Kambalda Australia (1)
-
Yilgarn Craton (2)
-
-
-
New Zealand
-
Auckland New Zealand (1)
-
Auckland volcanic field (1)
-
Southland New Zealand
-
Fiordland (1)
-
-
Taupo volcanic zone (1)
-
Wairarapa Fault (1)
-
-
Papua New Guinea
-
Lihir Island (1)
-
-
-
Battle Mountain (1)
-
Black Mesa (1)
-
Browse Basin (2)
-
Caledonides (2)
-
Campos Basin (3)
-
Canada
-
Arctic Archipelago (1)
-
Cold Lake (1)
-
Eastern Canada
-
Belcher Islands (1)
-
Maritime Provinces
-
New Brunswick (1)
-
-
Newfoundland and Labrador
-
Newfoundland (2)
-
-
Ontario
-
Chalk River (1)
-
Cochrane District Ontario
-
Kidd Creek Mine (1)
-
-
Ottawa Ontario (2)
-
-
Ottawa Valley (1)
-
Quebec
-
Abitibi County Quebec (1)
-
Matagami (1)
-
Noranda Quebec (1)
-
Saguenay County Quebec (2)
-
Temiscamingue County Quebec
-
Rouyn Quebec (1)
-
-
-
-
Hudson Bay (1)
-
Mackenzie Mountains (1)
-
Nunavut
-
Belcher Islands (1)
-
-
Stikinia Terrane (1)
-
Western Canada
-
Alberta
-
Alberta Basin (1)
-
Athabasca Oil Sands (2)
-
Calgary Alberta (1)
-
Leduc Alberta (1)
-
Smoky River (1)
-
-
Athabasca Basin (3)
-
Athabasca District (1)
-
British Columbia
-
Queen Charlotte Islands (1)
-
Vancouver Island (1)
-
-
Canadian Cordillera (8)
-
Canadian Rocky Mountains (8)
-
Manitoba
-
Lac du Bonnet Manitoba (1)
-
-
Northwest Territories (2)
-
Saskatchewan
-
Weyburn Field (5)
-
-
Yukon Territory
-
Whitehorse Yukon Territory (1)
-
-
-
-
Caribbean region
-
West Indies
-
Antilles
-
Greater Antilles
-
Hispaniola
-
Dominican Republic (1)
-
-
Puerto Rico (2)
-
-
Lesser Antilles
-
Guadeloupe (2)
-
Martinique
-
Mount Pelee (1)
-
-
Trinidad and Tobago
-
Trinidad (3)
-
-
Virgin Islands
-
British Virgin Islands (2)
-
U. S. Virgin Islands (1)
-
-
-
-
Bahamas (1)
-
-
-
Cascade Range (7)
-
Cascadia subduction zone (2)
-
Caspian Basin (2)
-
Caspian Sea (1)
-
Central America
-
Costa Rica (1)
-
Guatemala
-
Santiaguito (1)
-
-
Nicaragua (1)
-
-
Central Valley (2)
-
Chicxulub Crater (1)
-
Clear Lake (1)
-
Coast Ranges (3)
-
Colorado River (1)
-
Columbus Basin (1)
-
Commonwealth of Independent States
-
Caucasus (3)
-
Georgian Republic (1)
-
Kazakhstan
-
Aktyubinsk Kazakhstan
-
Emba Field (1)
-
-
Eastern Kazakhstan
-
Semipalatinsk Kazakhstan (2)
-
-
Tengiz Field (1)
-
-
Kyrgyzstan (2)
-
Russian Federation
-
Altai Russian Federation
-
Chuya Basin (1)
-
Gorny Altai (1)
-
-
Arkhangelsk Russian Federation
-
Novaya Zemlya (2)
-
-
Baikal region (1)
-
Baikal rift zone (2)
-
Bashkortostan Russian Federation (1)
-
Buryat Russian Federation (1)
-
Chelyabinsk Russian Federation (1)
-
Irkutsk Russian Federation (1)
-
Kaluga Russian Federation (1)
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Klyuchevskaya Sopka (1)
-
-
-
Kemerovo Russian Federation (1)
-
Khamar-Daban Range (1)
-
Kodar Range (1)
-
Krasnoyarsk Russian Federation (2)
-
Kuznetsk Alatau (1)
-
Lake Baikal (1)
-
Lena Basin (1)
-
Magadan Russian Federation (1)
-
Moscow Syneclise (1)
-
Okhotsk region (1)
-
Russian Arctic
-
Novaya Zemlya (2)
-
-
Russian Far East (1)
-
Sakhalin Russian Federation
-
Kuril Islands (1)
-
-
Siberian Platform (4)
-
Tomsk Russian Federation (1)
-
Tyumen Russian Federation
-
Khanty-Mansi Russian Federation
-
Surgut Russian Federation (1)
-
-
-
Vilyuy River basin (1)
-
Yakutia Russian Federation (1)
-
Zabaykalskiy Russian Federation (1)
-
-
Turkmenia (2)
-
Urals
-
Novaya Zemlya (2)
-
-
West Siberia
-
Kuznetsk Alatau (1)
-
-
-
Cook Inlet (1)
-
Cooper Basin (3)
-
Death Valley (1)
-
East Coast Basin (1)
-
East Pacific Ocean Islands
-
Hawaii
-
Hawaii County Hawaii
-
Hawaii Island
-
Kilauea (1)
-
-
-
-
-
Elba (1)
-
Eugene Island (1)
-
Eurasia (1)
-
Europe
-
Adriatic region (2)
-
Alps
-
French Alps (1)
-
Swiss Alps (1)
-
Western Alps
-
Maritime Alps
-
Argentera Massif (1)
-
-
Mont Blanc (1)
-
-
-
Arkhangelsk Russian Federation
-
Novaya Zemlya (2)
-
-
Baltic region (5)
-
Bashkortostan Russian Federation (1)
-
Carpathians
-
Beskid Mountains (1)
-
Polish Carpathians (1)
-
Slovakian Carpathians
-
Low Tatra Mountains (1)
-
-
Vrancea seismic zone (1)
-
-
Caucasus (3)
-
Central Europe
-
Austria (2)
-
Beskid Mountains (1)
-
Bohemian Massif (1)
-
Czech Republic
-
Bohemia
-
Jachymov Czech Republic (1)
-
-
Czech Bohemian Forest (1)
-
-
Germany
-
Bavaria Germany (1)
-
Brandenburg Germany (1)
-
Hamburg Germany (1)
-
Lower Saxony Germany (2)
-
North Rhine-Westphalia Germany
-
Ruhr (1)
-
-
Saxony-Anhalt Germany
-
Bitterfeld Germany (1)
-
-
Schleswig-Holstein Germany
-
Kiel Germany (1)
-
-
-
Hungary (1)
-
Lower Lusatia (1)
-
Poland
-
Polish Carpathians (1)
-
-
Pomerania (1)
-
Slovakia
-
Slovakian Carpathians
-
Low Tatra Mountains (1)
-
-
-
Switzerland
-
Swiss Alps (1)
-
-
Vienna Basin (2)
-
-
Fennoscandia (1)
-
Fennoscandian Shield (2)
-
Georgian Republic (1)
-
Jura Mountains (1)
-
Kaluga Russian Federation (1)
-
Lower Rhine Basin (1)
-
Lublin Basin (1)
-
Moscow Syneclise (1)
-
Pyrenees (3)
-
Southern Europe
-
Albania (2)
-
Croatia (1)
-
Greece
-
Greek Aegean Islands
-
Cyclades (2)
-
-
Greek Macedonia
-
Salonika Greece (1)
-
-
Sterea Ellas (1)
-
-
Iberian Peninsula
-
Iberian Massif (1)
-
Portugal (2)
-
Spain
-
Balearic Islands
-
Majorca (1)
-
-
Basque Provinces Spain (1)
-
Cantabrian Basin (2)
-
Iberian Mountains (1)
-
Murcia Spain (1)
-
-
-
Italy
-
Apennines
-
Central Apennines (2)
-
Northern Apennines (3)
-
Southern Apennines (2)
-
-
Apulia Italy
-
Bari Italy (1)
-
-
Calabria Italy
-
Sila Massif (1)
-
-
Campania Italy
-
Naples Italy
-
Ischia (1)
-
-
Vesuvius (1)
-
-
Marches Italy (1)
-
Molise Italy (1)
-
Po Valley (1)
-
Sicily Italy
-
Lipari Islands
-
Stromboli (3)
-
-
Mount Etna (1)
-
Peloritani Mountains (1)
-
-
Tuscany Italy (2)
-
Umbria Italy (1)
-
Venetia (1)
-
-
Macedonia
-
Greek Macedonia
-
Salonika Greece (1)
-
-
-
Montenegro (1)
-
Romania
-
Vrancea seismic zone (1)
-
-
Serbia (1)
-
-
Thur River (1)
-
Western Europe
-
Belgium
-
Brabant Belgium (1)
-
-
France
-
Armorican Massif (2)
-
Aveyron France (1)
-
Bas-Rhin France
-
Soultz-sous-Forets France (3)
-
-
French Alps (1)
-
Haute-Savoie France
-
Annecy France (1)
-
-
Isere France
-
Grenoble France (1)
-
-
Lorraine (1)
-
Meurthe-et-Moselle France (1)
-
Meuse France (1)
-
Morbihan France (1)
-
Paris Basin (2)
-
Vosges France (1)
-
Vosges Mountains (2)
-
Yvelines France (1)
-
-
Iceland (1)
-
Ireland
-
Donegal Ireland (1)
-
-
Maritime Alps
-
Argentera Massif (1)
-
-
Netherlands
-
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-
rare earths
-
neodymium
-
Nd-144/Nd-143 (3)
-
Sm-147/Nd-144 (1)
-
-
samarium
-
Sm-147/Nd-144 (1)
-
-
yttrium (1)
-
-
tin (1)
-
titanium (1)
-
vanadium (1)
-
zinc (2)
-
-
nitrogen (2)
-
noble gases
-
helium (1)
-
-
oxygen
-
O-18/O-16 (5)
-
-
selenium (1)
-
silicon (2)
-
sulfur
-
S-34/S-32 (1)
-
-
-
fossils
-
bacteria
-
coliform bacteria (1)
-
-
burrows (1)
-
Chordata
-
Vertebrata
-
Pisces
-
Osteichthyes (1)
-
-
Tetrapoda
-
Aves (1)
-
Reptilia
-
Diapsida
-
Archosauria
-
Crocodilia
-
Eusuchia
-
Crocodylidae (1)
-
-
-
dinosaurs
-
Saurischia
-
Sauropodomorpha
-
Sauropoda (2)
-
-
Theropoda (1)
-
-
-
Thecodontia
-
Aetosauria (1)
-
-
-
-
Synapsida
-
Therapsida
-
Dicynodontia (1)
-
-
-
-
-
-
-
coprolites (1)
-
cyanobacteria (1)
-
Invertebrata
-
Arthropoda
-
Trilobitomorpha
-
Trilobita
-
Corynexochida (1)
-
-
-
-
Porifera (1)
-
Protista
-
Foraminifera
-
Rotaliina
-
Globigerinacea
-
Globotruncanidae
-
Globotruncana (1)
-
-
-
Lagenidae (1)
-
Nodosariacea
-
Nodosariidae (1)
-
-
-
-
-
-
microfossils
-
problematic microfossils (1)
-
-
Plantae
-
algae
-
Coccolithophoraceae (1)
-
-
Spermatophyta
-
Angiospermae
-
Monocotyledoneae
-
Commelinidae (1)
-
Gramineae (1)
-
-
-
-
-
problematic fossils
-
problematic microfossils (1)
-
-
-
geochronology methods
-
(U-Th)/He (2)
-
Ar/Ar (5)
-
fission-track dating (3)
-
K/Ar (4)
-
optically stimulated luminescence (1)
-
paleomagnetism (11)
-
radiation damage (2)
-
Rb/Sr (1)
-
Sm/Nd (1)
-
Th/U (1)
-
U/Pb (13)
-
-
geologic age
-
Cenozoic
-
lower Cenozoic (1)
-
middle Cenozoic (2)
-
Quaternary
-
Holocene
-
Neolithic (1)
-
upper Holocene (1)
-
-
Pleistocene
-
middle Pleistocene (1)
-
upper Pleistocene
-
Eemian (2)
-
-
-
upper Quaternary (1)
-
-
Siwalik System (1)
-
Stone Age
-
Neolithic (1)
-
Paleolithic
-
Aurignacian (1)
-
-
-
Tertiary
-
Climax Porphyry (1)
-
lower Tertiary (2)
-
Neogene
-
Miocene
-
Antelope Shale (3)
-
Columbia River Basalt Group (1)
-
middle Miocene (2)
-
Tiva Canyon Member (1)
-
upper Miocene
-
Messinian
-
Messinian Salinity Crisis (1)
-
-
Tortonian (1)
-
-
-
Pliocene (14)
-
upper Neogene (1)
-
-
Paleogene
-
Eocene
-
Annot Sandstone (1)
-
Green River Formation (4)
-
lower Eocene
-
Willwood Formation (1)
-
Ypresian (2)
-
-
middle Eocene
-
Lutetian (1)
-
-
Mirador Formation (1)
-
-
Oligocene
-
Boom Clay (1)
-
Fontainebleau Sandstone (2)
-
Frio Formation (1)
-
lower Oligocene
-
Rupelian (1)
-
-
upper Oligocene
-
Chattian (1)
-
-
-
Paleocene
-
lower Paleocene
-
Danian (1)
-
-
upper Paleocene (1)
-
-
Sespe Formation (1)
-
Wilcox Group (2)
-
-
-
upper Cenozoic (1)
-
-
Coal Measures (1)
-
Laurentide ice sheet (2)
-
Mesozoic
-
Cretaceous
-
Bahariya Formation (1)
-
Blairmore Group (1)
-
Chonta Formation (1)
-
Colorado Group (3)
-
Comanchean
-
Travis Peak Formation (1)
-
-
Lower Cretaceous
-
Albian
-
upper Albian (1)
-
-
Aptian (3)
-
Burro Canyon Formation (1)
-
Cadomin Formation (1)
-
Clearwater Formation (2)
-
Mannville Group (3)
-
McMurray Formation (3)
-
Muderong Shale (1)
-
Travis Peak Formation (1)
-
-
Mancos Shale (2)
-
Middle Cretaceous (1)
-
Upper Cretaceous
-
Almond Formation (1)
-
Campanian
-
lower Campanian (1)
-
-
Cardium Formation (1)
-
Cenomanian (3)
-
Codell Sandstone Member (1)
-
Gulfian
-
Austin Chalk (6)
-
Eagle Ford Formation (17)
-
-
Lewis Shale (2)
-
Maestrichtian
-
lower Maestrichtian (1)
-
-
Mesaverde Group (1)
-
Milk River Formation (1)
-
Moreno Formation (1)
-
Niobrara Formation (2)
-
Pierre Shale (3)
-
Senonian (1)
-
Straight Cliffs Formation (2)
-
Tuolumne Intrusive Suite (1)
-
Turonian (2)
-
Tuscaloosa Formation (3)
-
Vivian Formation (1)
-
Wahweap Formation (1)
-
Williams Fork Formation (1)
-
-
Viking Formation (1)
-
-
Franciscan Complex (2)
-
Jurassic
-
Arapien Shale (1)
-
Bazhenov Formation (2)
-
Coast Range Ophiolite (1)
-
Fernie Formation (2)
-
Lower Jurassic
-
lower Liassic (1)
-
Nordegg Member (1)
-
Sinemurian (1)
-
-
Middle Jurassic
-
Callovian (2)
-
-
Norphlet Formation (2)
-
Opalinus Clay (2)
-
Oxford Clay (1)
-
Upper Jurassic
-
Bossier Formation (3)
-
Cotton Valley Group (1)
-
Hanifa Formation (1)
-
Haynesville Formation (13)
-
Kimmeridge Clay (3)
-
Kimmeridgian (3)
-
Oxfordian (7)
-
Smackover Formation (3)
-
Tithonian (1)
-
-
-
Navajo Sandstone (2)
-
Triassic
-
Chanares Formation (1)
-
Lower Triassic
-
Permian-Triassic boundary (1)
-
-
Montney Formation (3)
-
Shublik Formation (1)
-
Upper Triassic
-
Carnian
-
Ischigualasto Formation (1)
-
-
Lockatong Formation (1)
-
Mercia Mudstone (1)
-
Sag River Sandstone (1)
-
Xujiahe Formation (1)
-
Yanchang Formation (3)
-
-
-
Vaca Muerta Formation (7)
-
-
MIS 6 (1)
-
Paleozoic
-
Arbuckle Group (1)
-
Berea Sandstone (7)
-
Cambrian
-
Lower Cambrian (3)
-
Pioche Shale (1)
-
Upper Cambrian
-
Mount Simon Sandstone (1)
-
-
-
Carboniferous
-
Bartlesville Sand (1)
-
Lower Carboniferous (1)
-
Mississippian
-
Barnett Shale (12)
-
Lower Mississippian
-
Kayak Shale (1)
-
Lodgepole Formation (5)
-
-
Madison Group (2)
-
Upper Mississippian
-
Fayetteville Formation (1)
-
Mauch Chunk Formation (1)
-
-
-
Pennsylvanian
-
Middle Pennsylvanian (1)
-
Minturn Formation (1)
-
Morrow Formation (1)
-
Upper Pennsylvanian
-
Missourian (1)
-
-
-
Upper Carboniferous (1)
-
-
Devonian
-
Beaverhill Lake Group (1)
-
Middle Devonian
-
Hamilton Group (1)
-
Mahantango Formation (1)
-
Marcellus Shale (9)
-
Onondaga Limestone (2)
-
Tully Limestone (1)
-
-
Slave Point Formation (1)
-
Upper Devonian
-
Famennian
-
Wabamun Group (1)
-
-
Frasnian (2)
-
-
-
Endicott Group (1)
-
Exshaw Formation (1)
-
Knox Group (1)
-
Lisburne Group (1)
-
lower Paleozoic
-
Rose Run Sandstone (1)
-
-
Ordovician
-
Lower Ordovician
-
Ellenburger Group (2)
-
-
Upper Ordovician
-
Wufeng Formation (3)
-
-
Viola Limestone (1)
-
-
Permian
-
Echooka Formation (1)
-
Guadalupian
-
Capitanian (1)
-
-
Hennessey Formation (1)
-
Lower Permian
-
Leonardian
-
Bone Spring Limestone (1)
-
-
Wolfcampian (7)
-
-
Rotliegendes (2)
-
Shihezi Formation (1)
-
Unayzah Formation (1)
-
Upper Permian
-
Permian-Triassic boundary (1)
-
Zechstein (1)
-
-
Whitehill Formation (1)
-
-
Silurian
-
Lower Silurian (5)
-
-
Tensleep Sandstone (1)
-
upper Paleozoic
-
Bakken Formation (18)
-
-
Woodford Shale (7)
-
-
Phanerozoic (1)
-
Precambrian
-
Archean
-
Blake River Group (1)
-
Peninsular Gneiss (1)
-
-
Carrizo Mountain Formation (1)
-
Cuddapah System (1)
-
Gunflint Iron Formation (1)
-
Kingston Peak Formation (1)
-
upper Precambrian
-
Proterozoic
-
Damara System (1)
-
Keweenawan
-
Copper Harbor Conglomerate (1)
-
-
Mesoproterozoic (2)
-
Neoproterozoic
-
Cryogenian (1)
-
Moine Supergroup (1)
-
Riphean (1)
-
Vendian (1)
-
-
Oronto Group (1)
-
Paleoproterozoic (2)
-
-
-
Ventersdorp Supergroup (1)
-
-
-
igneous rocks
-
extrusive rocks (1)
-
igneous rocks
-
plutonic rocks
-
appinite (1)
-
diabase (2)
-
diorites
-
plagiogranite (1)
-
trondhjemite (1)
-
-
gabbros (4)
-
granites
-
A-type granites (1)
-
granite porphyry (1)
-
I-type granites (2)
-
S-type granites (1)
-
-
granodiorites (1)
-
lamprophyres
-
minette (1)
-
-
monzonites (2)
-
quartz monzonite (1)
-
ultramafics
-
peridotites (2)
-
-
-
volcanic rocks
-
adakites (1)
-
andesites
-
boninite (2)
-
-
basalts
-
alkali basalts (1)
-
mid-ocean ridge basalts (3)
-
tholeiite (2)
-
-
basanite (1)
-
glasses (2)
-
phonolites (2)
-
pyroclastics
-
hyaloclastite (1)
-
ignimbrite (4)
-
pumice (1)
-
scoria (1)
-
tuff (3)
-
welded tuff (1)
-
-
trachyandesites (1)
-
-
-
ophiolite (4)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (2)
-
cataclasites (1)
-
eclogite (1)
-
gneisses
-
granite gneiss (2)
-
orthogneiss (1)
-
-
granulites (3)
-
listwanite (1)
-
metaigneous rocks
-
metabasite (1)
-
metadiabase (1)
-
serpentinite (1)
-
-
metasedimentary rocks (4)
-
metasomatic rocks
-
serpentinite (1)
-
skarn (2)
-
-
metavolcanic rocks (2)
-
migmatites (4)
-
mylonites
-
pseudotachylite (2)
-
-
phyllonites (1)
-
quartzites (1)
-
schists (1)
-
slates (1)
-
-
ophiolite (4)
-
turbidite (16)
-
-
meteorites
-
meteorites (2)
-
-
minerals
-
antimonides (1)
-
carbonates
-
calcite (8)
-
dolomite (4)
-
-
copper minerals (1)
-
halides
-
chlorides
-
halite (4)
-
-
-
hydrates (2)
-
minerals (7)
-
native elements
-
graphite (2)
-
-
nitrates (2)
-
oxides
-
diaspore (1)
-
ferropericlase (3)
-
germanates (1)
-
hematite (4)
-
hydroxides
-
iron hydroxides (1)
-
-
iron oxides (3)
-
magnetite (3)
-
periclase (2)
-
perovskite (2)
-
rutile (1)
-
spinel group (1)
-
titanomagnetite (1)
-
-
phosphates
-
apatite (5)
-
carbonate apatite (1)
-
fluorapatite (1)
-
hydroxylapatite (1)
-
monazite (1)
-
variscite (1)
-
xenotime (1)
-
-
platinum minerals (1)
-
selenides (1)
-
silicates
-
barium silicates (1)
-
chain silicates
-
amphibole group (1)
-
pyroxene group
-
clinopyroxene
-
augite (1)
-
-
orthopyroxene
-
enstatite (1)
-
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
adularia (1)
-
K-feldspar (1)
-
orthoclase (1)
-
-
plagioclase
-
labradorite (1)
-
-
-
silica minerals
-
opal (1)
-
quartz
-
alpha quartz (1)
-
-
stishovite (1)
-
-
-
orthosilicates
-
nesosilicates
-
garnet group (2)
-
olivine group
-
forsterite (1)
-
olivine (3)
-
ringwoodite (1)
-
wadsleyite (1)
-
-
titanite group
-
titanite (3)
-
-
zircon group
-
zircon (12)
-
-
-
sorosilicates
-
lawsonite (1)
-
-
-
sheet silicates
-
chlorite group
-
chlorite (1)
-
-
clay minerals
-
kaolinite (9)
-
montmorillonite (1)
-
smectite (10)
-
-
illite (12)
-
mica group
-
biotite (2)
-
muscovite (2)
-
phlogopite (1)
-
-
serpentine group
-
antigorite (1)
-
chrysotile (1)
-
lizardite (1)
-
-
talc (1)
-
-
-
sulfates
-
anhydrite (3)
-
barite (1)
-
celestine (1)
-
gypsum (1)
-
-
sulfides
-
chalcopyrite (1)
-
galena (2)
-
pyrite (6)
-
sphalerite (2)
-
-
sulfosalts
-
sulfantimonates
-
cylindrite (1)
-
-
sulfarsenates
-
enargite (1)
-
-
sulfarsenites
-
tennantite (1)
-
-
-
uranium minerals (1)
-
-
Primary terms
-
absolute age (21)
-
Africa
-
Afar (1)
-
Central Africa
-
Angola (4)
-
Congo Democratic Republic (1)
-
Gabon (1)
-
-
Congo Craton (3)
-
East Africa
-
Ethiopia (1)
-
Kenya
-
Kenya Rift valley (1)
-
Nakuru Basin (1)
-
-
Malawi (1)
-
Mozambique (1)
-
Tanzania (2)
-
-
East African Rift (1)
-
Limpopo Belt (1)
-
Namib Desert (1)
-
North Africa
-
Algeria (2)
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
High Atlas (1)
-
-
-
Egypt
-
Nile Delta (1)
-
Sinai Egypt (1)
-
-
Maghreb (1)
-
Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
High Atlas (1)
-
-
-
Tell (1)
-
Tunisia (1)
-
-
Southern Africa
-
Kaapvaal Craton (1)
-
Karoo Basin (1)
-
Namibia
-
Damara Belt (1)
-
Kaoko Belt (1)
-
-
South Africa
-
Bushveld Complex (1)
-
Cape fold belt (1)
-
Transvaal region (1)
-
Western Cape Province South Africa (1)
-
Witwatersrand (2)
-
-
-
West Africa
-
Benue Valley (1)
-
Cameroon (1)
-
Ghana (2)
-
Guinea (1)
-
Ivory Coast (2)
-
Mauritania (1)
-
Nigeria
-
Niger Delta (1)
-
-
-
Zimbabwe Craton (1)
-
-
Antarctica
-
Adelaide Island (1)
-
Antarctic ice sheet
-
East Antarctic ice sheet (1)
-
-
East Antarctica (1)
-
Ellsworth Land (1)
-
Marie Byrd Land (2)
-
Victoria Land
-
Mount Melbourne (1)
-
-
Vostok Station (1)
-
West Antarctica (2)
-
-
Arctic Ocean
-
Barents Sea (5)
-
Canada Basin (1)
-
Chukchi Sea (1)
-
Norwegian Sea
-
Haltenbanken (1)
-
More Basin (1)
-
-
-
Arctic region
-
Greenland
-
Greenland ice sheet (1)
-
Jakobshavn Isbrae (1)
-
-
Russian Arctic
-
Novaya Zemlya (2)
-
-
-
Asia
-
Altai Mountains
-
Gorny Altai (1)
-
Kuznetsk Alatau (1)
-
-
Altai Russian Federation
-
Chuya Basin (1)
-
Gorny Altai (1)
-
-
Altai-Sayan region (1)
-
Arabian Peninsula
-
Arabian Shield (2)
-
Kuwait (4)
-
Oman
-
Oman Mountains (1)
-
-
Saudi Arabia (13)
-
United Arab Emirates
-
Abu Dhabi (3)
-
-
-
Baikal region (1)
-
Baikal rift zone (2)
-
Buryat Russian Federation (1)
-
Central Asia
-
Kazakhstan
-
Aktyubinsk Kazakhstan
-
Emba Field (1)
-
-
Eastern Kazakhstan
-
Semipalatinsk Kazakhstan (2)
-
-
Tengiz Field (1)
-
-
-
Far East
-
Borneo
-
East Malaysia
-
Sarawak Malaysia (1)
-
-
Kalimantan Indonesia (1)
-
-
Cambodia (1)
-
China
-
Anhui China (1)
-
Chongqing China (1)
-
Dabie Mountains (1)
-
Guangdong China
-
Guangzhou China (1)
-
-
Guangxi China
-
Guilin (1)
-
-
Guizhou China (1)
-
Heilongjiang China
-
Daqing Field (2)
-
-
Hubei China
-
Jianghan Basin (1)
-
Wuhan China (1)
-
-
Hunan China (1)
-
Inner Mongolia China (1)
-
Kunlun Fault (1)
-
Liaohe Basin (1)
-
Liaoning China (1)
-
Longmenshan (1)
-
North China Platform (4)
-
Ordos Basin (10)
-
Qaidam Basin (5)
-
Qilian Mountains (1)
-
Shandong China
-
Jiyang Depression (1)
-
Shengli Field (1)
-
-
Shanxi China (3)
-
Sichuan Basin (16)
-
Sichuan China (6)
-
Songliao Basin (2)
-
South China Block (2)
-
Xinjiang China
-
Junggar (1)
-
Junggar Basin (2)
-
Kuqa Depression (3)
-
Tarim Basin (7)
-
-
Xizang China
-
Lhasa Block (1)
-
-
Yunnan China (5)
-
Zhejiang China (1)
-
-
Indonesia
-
Kalimantan Indonesia (1)
-
Sumatra (2)
-
Sunda Arc (1)
-
-
Japan
-
Hokkaido (1)
-
Honshu
-
Atotsugawa Fault (1)
-
Chugoku (1)
-
Gifu Japan
-
Hida Japan (1)
-
-
Kanto Mountains (1)
-
Kanto Plain (1)
-
Kinki Japan (1)
-
Niigata Japan (1)
-
Tokyo Japan (1)
-
-
Kyushu
-
Kagoshima Japan
-
Oshima (1)
-
-
Nagasaki Japan
-
Unzen (1)
-
-
-
Ryukyu Islands
-
Oshima (1)
-
-
-
Korea
-
South Korea
-
Kyongsang Basin (1)
-
-
-
Lesser Sunda Islands
-
Timor (1)
-
-
Malaysia
-
East Malaysia
-
Sarawak Malaysia (1)
-
-
-
Mongolia
-
Khubsugul Mongolia (1)
-
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Montney Formation (3)
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Lower Permian
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Precambrian
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vertical transverse isotropic model
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Journal Article
Characterization of elastic mechanical properties of Tuscaloosa Marine Shale from well logs using the vertical transversely isotropic model Available to Purchase
Journal: Interpretation
Publisher: Society of Exploration Geophysicists
Published: 30 October 2020
Interpretation (2020) 8 (4): T1023–T1036.
.... Several studies (e.g., Aderibigbe et al., 2016 ; Chen Valdes et al., 2016 ; Mokhtari et al., 2016 ) elaborated on the role of shale anisotropy and used vertical transverse isotropic modeling to predict stress. Because of the layered microstructure of shales, the elastic stiffness tensor can...
Image
Vertical transversely isotropic model used in demonstration of wavefield re... Available to Purchase
Published: 15 March 2016
Figure 1. Vertical transversely isotropic model used in demonstration of wavefield reconstruction methods. (a) Density, (b) vertical P-wave velocity, (c) vertical S-wave velocity, (d)Thomsen’s parameter ϵ , and (e) Thomsen’s parameter δ .
Journal Article
Efficient modeling of wave propagation in a vertical transversely isotropic attenuative medium based on fractional Laplacian Available to Purchase
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 11 March 2019
Geophysics (2019) 84 (3): T121–T131.
... and Hestholm (2005) implement a 2D time-domain finite-difference modeling of orthorhombic attenuation, and Bai and Tsvankin (2016) present a detailed numerical demonstration and analysis of vertical transversely isotropic (VTI) attenuation by 2D time-domain finite-difference modeling. Zhu (2017) derives...
Journal Article
The effect of transverse isotropy in isotropic traveltime inversion of vertical seismic profile data; a modeling study Available to Purchase
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 01 September 1990
Geophysics (1990) 55 (9): 1235–1241.
... for a vertical axis of symmetry of the transversely isotropic layer (e.g., anisotropy due to horizontal bedding). GeoRef, Copyright 2005, American Geological Institute. Reference includes data supplied by Society of Exploration Geophysicists, Tulsa, OK, United States 1990 ...
Journal Article
Anisotropic local tomography Available to Purchase
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 01 October 2008
Geophysics (2008) 73 (5): VE75–VE92.
... migration. A locally 1D, spatially varying, vertical transversely isotropic model is assumed. The background anisotropy parameters are the instantaneous (interval) vertical compression velocity V P and the two Thomsen anisotropy parameters, δ and ε . The interval velocity δ is updated from short-offset...
Journal Article
P -wave reflection coefficients for transversely isotropic models with vertical and horizontal axis of symmetry Available to Purchase
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 01 May 1997
Geophysics (1997) 62 (3): 713–722.
... into the influence of anisotropy on the AVO signature. To overcome this difficulty, I present an improved approximation for P -wave reflection coefficients at a horizontal boundary in transversely isotropic media with vertical axis of symmetry (VTI media). This solution has the same AVO-gradient term describing...
Journal Article
Frequency-domain elastic wave modeling for vertical transversely isotropic media with an average-derivative optimal method Available to Purchase
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 29 June 2023
Geophysics (2023) 88 (5): T237–T258.
...-domain seismic modeling in vertical transversely isotropic media with sparse direct solver : Geophysics , 79 , no. 5 , T257 – T275 , doi: http://dx.doi.org/10.1190/geo2013-0478.1 . GPYSA7 0016-8033 Operto S. Virieux J. Amestoy P. L’Excellent J.-Y. Giraud L. Ali H. B. H...
Journal Article
Integrated VTI model building with seismic data, geologic information, and rock-physics modeling — Part 2: Field data test Available to Purchase
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 03 August 2016
Geophysics (2016) 81 (5): C205–C218.
... distribution modeled from stochastic rock-physics modeling. The procedure of building the rock-physics prior information and the improvements using these extra constraints were tested on a Gulf of Mexico data set. The inverted vertical transverse isotropic model not only better focused the seismic image...
Journal Article
A Low‐Dispersive Symplectic Partitioned Runge–Kutta Method for Solving Seismic‐Wave Equations: II. Wavefield Simulations Available to Purchase
Publisher: Seismological Society of America
Published: 10 March 2015
Bulletin of the Seismological Society of America (2015) 105 (2A): 657–675.
.... , 2014 ), to employ the NAD and NAID operators for spatial discretization two different stages of NSPRK (2,4). In this article, NSPRK (2,4) is applied to simulate wave propagation in several common models, including a layered model, fluid‐filled fractures, and vertical transversely isotropic...
Includes: Supplemental Content
Journal Article
Efficient 3D elastic full-waveform inversion using wavefield reconstruction methods Available to Purchase
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 15 March 2016
Geophysics (2016) 81 (2): R45–R55.
...Figure 1. Vertical transversely isotropic model used in demonstration of wavefield reconstruction methods. (a) Density, (b) vertical P-wave velocity, (c) vertical S-wave velocity, (d)Thomsen’s parameter ϵ , and (e) Thomsen’s parameter δ . ...
Journal Article
Wave-equation migration velocity analysis for VTI models Available to Purchase
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 21 May 2014
Geophysics (2014) 79 (3): WA59–WA68.
...Yunyue Li; Biondo Biondi; Robert Clapp; Dave Nichols ABSTRACT Anisotropic models are needed for wave simulation and inversion where a complex geologic environment exists. We extended the theory of wave equation migration velocity analysis to build vertical transverse isotropic models. Because...
Journal Article
Computationally efficient three-dimensional acoustic finite-difference frequency-domain seismic modeling in vertical transversely isotropic media with sparse direct solver Available to Purchase
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 25 August 2014
Geophysics (2014) 79 (5): T257–T275.
... stencil, originally developed for the (isotropic) acoustic-wave equation, is proposed to introduce vertical transverse isotropy (VTI) in the modeling without any extra computational cost. The method relies on a fourth-order wave equation, which is decomposed as the sum of a second-order elliptic-wave...
Image
The two‐layer models: (a) model 7 and (b) model 8. Note that a Ricker wavel... Available to Purchase
in Power‐Law Frequency‐Dependent Q Simulation and Reverse‐Time Migration in Transversely Isotropic Acoustic Media
> Bulletin of the Seismological Society of America
Published: 17 January 2024
Figure 6. The two‐layer models: (a) model 7 and (b) model 8. Note that a Ricker wavelet source (red star) is located at (1800 m, 1440 m) to generate seismic vibrations. TTI, tilted transversely isotropic; VTI, vertical transversely isotropic. The color version of this figure is available only
Image
Vertical slices of the slowness surfaces (left side) and wave surfaces (rig... Available to Purchase
in Traveltime and conversion-point computations and parameter estimation in layered, anisotropic media by τ - p transform
> Geophysics
Published: 19 July 2002
F IG . 1. Vertical slices of the slowness surfaces (left side) and wave surfaces (right side) for the second layer in four models. The particle motion for each wavesheet is indicated by vectors on the slowness surfaces. (a) Isotropic model, (b) transversely isotropic with a vertical symmetry axis
Image
Well A. Track 5, C44 and C55 = vertical stiffness coefficients, C66 = horiz... Available to Purchase
in Advanced methods for the evaluation of a hybrid-type unconventional play: The Bakken petroleum system
> Interpretation
Published: 18 April 2016
Figure 21. Well A. Track 5, C44 and C55 = vertical stiffness coefficients, C66 = horizontal stiffness coefficient. Track 6, anisotropy classification in which white = isotropic, blue = vertical transverse isotropy (VTI), and red = horizontal transverse isotropy (HTI). Track 7, Thomsen’s gamma
Journal Article
Dip-moveout error in transversely isotropic media with linear velocity variation in depth Available to Purchase
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 01 October 1993
Geophysics (1993) 58 (10): 1442–1453.
...Ken L. Larner Abstract Levin modeled the moveout, within common-midpoint (CMP) gathers, of reflections from plane-dipping reflectors beneath homogeneous, transversely isotropic media. For some media, when the axis of symmetry for the anisotropy was vertical, he found departures in stacking velocity...
Image
Map view of relative wavespeed perturbations at 100 km depth; station locat... Available to Purchase
Published: 03 May 2024
Figure 10. Map view of relative wavespeed perturbations at 100 km depth; station locations are indicated by black triangles. Model perturbations are relative to the 1D transversely isotropic model STW105. (a) Compressional wavespeed perturbations, d ln α . (b) Isotropic shear‐wavespeed
Image
(a) The 3D vertical transversely isotropic (VTI) model with surface topogra... Available to Purchase
in An Efficient Discontinuous Galerkin Method Using a Tetrahedral Mesh for 3D Seismic Wave Modeling
> Bulletin of the Seismological Society of America
Published: 09 March 2022
Figure 22. (a) The 3D vertical transversely isotropic (VTI) model with surface topography. In addition, we show the snapshots of the velocity in x ‐direction at t = 0.6 s for (b) the 3D VTI model, and (c) the two cross sections with y = 2 km and x = 2 km.
Image
Azimuth-sectored stack gathers, synthetic data. (a) Radial component. (b) T... Available to Purchase
Published: 30 December 2008
Figure 3. Azimuth-sectored stack gathers, synthetic data. (a) Radial component. (b) Transverse component. The vertical bars to the left in (a) identify the layers of the model in terms of the two-way vertical C-wave traveltime ( HTI = black , isotropic = gray ).
Image
(a) Plot of the vertical wavenumber, k z , as a function of midpoin... Available to Purchase
Published: 26 May 2010
Figure 4. (a) Plot of the vertical wavenumber, k z , as a function of midpoint wavenumber and angle gather for a dip-constrained transversely isotropic (DTI) model with 2NMO velocity, v = 2.0 km ∕ s , titled direction velocity, v T = 1.8 km ∕ s , and η
1