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NARROW
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Afar (4)
-
Central Africa
-
Lake Kivu (1)
-
-
Congo Craton (1)
-
East Africa
-
Afar Depression (4)
-
Djibouti (3)
-
Ethiopia (7)
-
Ethiopian Rift (3)
-
Tanzania (1)
-
-
East African Lakes
-
Lake Kivu (1)
-
-
East African Rift (4)
-
Madagascar (1)
-
North Africa
-
Egypt (1)
-
-
Nubian Shield (2)
-
Southern Africa
-
Botswana (1)
-
Kaapvaal Craton (1)
-
Kalahari Craton (1)
-
Karoo Basin (1)
-
Namibia
-
Damara Belt (1)
-
Kaoko Belt (1)
-
-
South Africa (2)
-
-
West Africa
-
Benue Valley (3)
-
Cameroon (1)
-
Nigeria
-
Niger Delta (1)
-
-
-
-
Antarctica
-
Queen Maud Land (1)
-
Transantarctic Mountains
-
Pensacola Mountains
-
Dufek Intrusion (1)
-
-
-
-
Arctic Ocean
-
Norwegian Sea
-
Voring Basin (1)
-
-
-
Arctic region
-
Greenland
-
South Greenland (1)
-
West Greenland (2)
-
-
Jan Mayen (1)
-
-
Asia
-
Arabian Peninsula
-
Oman (1)
-
-
Far East
-
China
-
Xizang China (2)
-
-
Indonesia
-
Celebes (1)
-
Moluccas (1)
-
Sumatra (1)
-
-
Japan
-
Honshu
-
Chiba Peninsula (2)
-
Kii Peninsula (1)
-
Miura Peninsula (1)
-
Sagami Bay (1)
-
Tanzawa Mountains (1)
-
-
Honshu Arc (1)
-
Kyushu (1)
-
Shikoku (2)
-
Shimanto Belt (1)
-
-
-
Indian Peninsula
-
India
-
Bihar India (1)
-
Rajasthan India (1)
-
-
-
Karakoram (1)
-
Magadan Russian Federation
-
Taygonos Peninsula (1)
-
-
Middle East
-
Dead Sea (1)
-
Dead Sea Rift (2)
-
Lebanon (1)
-
Turkey
-
Amanos Mountains (1)
-
East Anatolian Fault (4)
-
Taurus Mountains (1)
-
-
-
Okhotsk region (1)
-
Sakhalin Russian Federation
-
Sakhalin (1)
-
-
Siberian Platform (1)
-
West Siberia
-
Siberian Lowland (1)
-
-
-
Atlantic Ocean
-
Equatorial Atlantic (2)
-
Mid-Atlantic Ridge (4)
-
North Atlantic
-
Bay of Biscay (2)
-
Caribbean Sea
-
Cayman Trough (1)
-
-
Flemish Cap (1)
-
Goban Spur (1)
-
Gulf of Guinea (2)
-
Labrador Sea (1)
-
North Sea
-
Viking Graben (1)
-
-
Northeast Atlantic
-
Porcupine Bank (1)
-
-
Porcupine Basin (1)
-
-
South Atlantic (5)
-
-
Atlantic Ocean Islands
-
Azores (1)
-
Bouvet Island (1)
-
Canary Islands (1)
-
Faeroe Islands (1)
-
Shetland Islands (1)
-
-
Atlantic region (4)
-
Australasia
-
Australia
-
Western Australia (1)
-
-
Papua (1)
-
-
Bay of Islands (1)
-
Caledonides (2)
-
Cameroon Line (1)
-
Canada
-
Eastern Canada
-
Baffin Island (1)
-
Newfoundland and Labrador
-
Labrador (1)
-
Newfoundland (4)
-
-
Ottawa Valley (1)
-
Quebec (3)
-
-
Nunavut
-
Baffin Island (1)
-
-
Western Canada
-
British Columbia
-
Queen Charlotte Islands (2)
-
Vancouver Island (4)
-
-
-
-
Caribbean region (4)
-
Cascade Range (1)
-
Cascadia subduction zone (11)
-
Central America
-
Chortis Block (1)
-
Costa Rica (3)
-
El Salvador (1)
-
Guatemala
-
Motagua Fault (1)
-
-
Honduras (1)
-
Nicaragua (1)
-
Panama (3)
-
-
Central Graben (2)
-
Coast Mountains (1)
-
Coast Ranges (8)
-
Commonwealth of Independent States
-
Russian Federation
-
Magadan Russian Federation
-
Taygonos Peninsula (1)
-
-
Okhotsk region (1)
-
Sakhalin Russian Federation
-
Sakhalin (1)
-
-
Siberian Platform (1)
-
-
Urals (1)
-
West Siberia
-
Siberian Lowland (1)
-
-
-
Eel River basin (3)
-
Eurasia (2)
-
Europe
-
Pyrenees (2)
-
Southern Europe
-
Greece
-
Epirus Greece (1)
-
Sterea Ellas (1)
-
-
Iberian Peninsula (2)
-
-
Western Europe
-
France
-
Gironde France
-
Bordeaux France (1)
-
-
-
Iceland (3)
-
Ireland (2)
-
United Kingdom
-
Great Britain
-
Scotland
-
Moray Firth (1)
-
Scottish Highlands (1)
-
Shetland Islands (1)
-
-
-
-
-
-
Explorer Plate (5)
-
Grand Banks (1)
-
Highland Boundary Fault (1)
-
Indian Ocean
-
Arabian Sea
-
Gulf of Aden (5)
-
-
Carlsberg Ridge (2)
-
Mid-Indian Ridge (2)
-
Owen fracture zone (1)
-
Red Sea
-
Gulf of Aqaba (1)
-
Gulf of Suez (1)
-
Red Sea Rift (2)
-
-
Rodriguez triple junction (3)
-
-
Indian Ocean Islands
-
Amsterdam Island (1)
-
Crozet Islands (1)
-
Madagascar (1)
-
-
Mediterranean region (1)
-
Mediterranean Sea
-
East Mediterranean (1)
-
-
Mexico
-
Baja California Sur Mexico (1)
-
Jalisco Block (1)
-
Jalisco Mexico
-
Guadalajara Mexico (1)
-
-
Mexico state
-
Federal District Mexico (1)
-
-
Sierra Madre Occidental (2)
-
Tabasco Mexico (1)
-
Trans-Mexican volcanic belt (4)
-
-
North America
-
Appalachians
-
Northern Appalachians (2)
-
-
Basin and Range Province (3)
-
Canadian Shield
-
Grenville Province (2)
-
-
Rio Grande Rift (1)
-
Straight Creek Fault (1)
-
Strait of Georgia (1)
-
Yakutat Terrane (2)
-
-
Pacific Coast (5)
-
Pacific Ocean
-
East Pacific
-
Carnegie Ridge (2)
-
Cocos Ridge (2)
-
East Pacific Rise (2)
-
Galapagos Rift (2)
-
Northeast Pacific
-
Cascadia Basin (1)
-
Gorda Rise (2)
-
Gulf of California (3)
-
Hawaiian Ridge (1)
-
Hess Deep (1)
-
Juan de Fuca Ridge (4)
-
Mendocino fracture zone (32)
-
Middle America Trench (1)
-
Queen Charlotte Basin (1)
-
-
Southeast Pacific
-
Chile Ridge (5)
-
Lau Basin (1)
-
Manihiki Plateau (1)
-
Nazca Ridge (1)
-
-
-
Equatorial Pacific (2)
-
North Pacific
-
Aleutian Trench (1)
-
Northeast Pacific
-
Cascadia Basin (1)
-
Gorda Rise (2)
-
Gulf of California (3)
-
Hawaiian Ridge (1)
-
Hess Deep (1)
-
Juan de Fuca Ridge (4)
-
Mendocino fracture zone (32)
-
Middle America Trench (1)
-
Queen Charlotte Basin (1)
-
-
Northwest Pacific
-
Emperor Seamounts (1)
-
Hess Rise (1)
-
Izu-Bonin Arc (1)
-
Japan Sea (2)
-
Mariana Trench (1)
-
Okhotsk Sea (1)
-
Shatsky Rise (2)
-
Shikoku Basin (1)
-
-
-
South Pacific
-
Southeast Pacific
-
Chile Ridge (5)
-
Lau Basin (1)
-
Manihiki Plateau (1)
-
Nazca Ridge (1)
-
-
Southwest Pacific
-
Banda Sea (1)
-
North Fiji Basin (1)
-
-
-
West Pacific
-
Indonesian Seas
-
Banda Sea (1)
-
-
Northwest Pacific
-
Emperor Seamounts (1)
-
Hess Rise (1)
-
Izu-Bonin Arc (1)
-
Japan Sea (2)
-
Mariana Trench (1)
-
Okhotsk Sea (1)
-
Shatsky Rise (2)
-
Shikoku Basin (1)
-
-
Southwest Pacific
-
Banda Sea (1)
-
North Fiji Basin (1)
-
-
-
-
Pacific region (4)
-
Permian Basin (2)
-
Queen Charlotte Fault (3)
-
Queen Charlotte Sound (1)
-
Red Sea region (1)
-
Redwood Creek (1)
-
Russian Platform (1)
-
Saint Paul Island (1)
-
San Andreas Fault (9)
-
San Joaquin Basin (1)
-
Santa Maria Basin (1)
-
Sierra Nevada (3)
-
South America
-
Andes
-
Patagonian Andes (1)
-
-
Brazil (1)
-
Chile (8)
-
Parana Basin (1)
-
Patagonia
-
Patagonian Andes (1)
-
-
Rio de la Plata Craton (1)
-
-
Southern Ocean
-
Weddell Sea (1)
-
-
Southwest Indian Ridge (2)
-
United States
-
Alaska
-
Aleutian Islands (1)
-
Chugach Mountains (2)
-
-
California
-
Butte County California (1)
-
Central California (4)
-
Garlock Fault (1)
-
Glenn County California (2)
-
Humboldt County California
-
Cape Mendocino (3)
-
-
Kern County California (1)
-
Lake County California (2)
-
Mendocino County California (7)
-
Napa County California (1)
-
Northern California (17)
-
Salinian Block (2)
-
Santa Clara County California (1)
-
Santa Cruz County California (1)
-
Shasta County California (1)
-
Solano County California (1)
-
Sonoma County California (1)
-
Southern California (1)
-
Tehama County California (1)
-
Transverse Ranges (1)
-
Trinity County California (1)
-
Yolo County California (1)
-
-
Colorado Plateau (1)
-
Delaware Basin (1)
-
Eastern U.S.
-
Northeastern U.S. (1)
-
-
Idaho Batholith (1)
-
Klamath Mountains (2)
-
Maine
-
Norumbega fault zone (1)
-
-
Mississippi Embayment (1)
-
Nevada (1)
-
New England (1)
-
New Jersey
-
Sussex County New Jersey (1)
-
-
New York
-
Clinton County New York (1)
-
-
Oregon (2)
-
Reading Prong (1)
-
Reelfoot Rift (1)
-
Texas
-
Marfa Basin (1)
-
Val Verde Basin (1)
-
-
Utah (1)
-
Washington (3)
-
Western U.S. (5)
-
-
West Pacific Ocean Islands
-
Macquarie Island (1)
-
-
-
commodities
-
brines (1)
-
energy sources (2)
-
geothermal energy (1)
-
metal ores
-
gold ores (1)
-
manganese ores (1)
-
polymetallic ores (1)
-
-
mineral deposits, genesis (4)
-
mineral exploration (1)
-
petroleum
-
natural gas (2)
-
-
-
elements, isotopes
-
carbon
-
C-13/C-12 (2)
-
C-14 (2)
-
-
chemical ratios (1)
-
halogens
-
chlorine (1)
-
-
isotope ratios (6)
-
isotopes
-
radioactive isotopes
-
C-14 (2)
-
Pb-206/Pb-204 (2)
-
Pb-208/Pb-204 (1)
-
-
stable isotopes
-
C-13/C-12 (2)
-
He-3 (1)
-
He-4 (1)
-
Hf-177/Hf-176 (1)
-
Nd-144/Nd-143 (3)
-
O-18/O-16 (2)
-
Pb-206/Pb-204 (2)
-
Pb-208/Pb-204 (1)
-
Pb-208/Pb-206 (1)
-
Sr-87/Sr-86 (2)
-
-
-
metals
-
alkaline earth metals
-
strontium
-
Sr-87/Sr-86 (2)
-
-
-
hafnium
-
Hf-177/Hf-176 (1)
-
-
lead
-
Pb-206/Pb-204 (2)
-
Pb-208/Pb-204 (1)
-
Pb-208/Pb-206 (1)
-
-
rare earths
-
neodymium
-
Nd-144/Nd-143 (3)
-
-
-
titanium (1)
-
-
noble gases
-
helium
-
He-3 (1)
-
He-4 (1)
-
-
-
oxygen
-
O-18/O-16 (2)
-
-
-
fossils
-
Invertebrata
-
Arthropoda
-
Trilobitomorpha
-
Trilobita (1)
-
-
-
Protista
-
Radiolaria (1)
-
-
-
microfossils (2)
-
palynomorphs
-
miospores
-
pollen (1)
-
-
-
-
geochronology methods
-
(U-Th)/He (1)
-
Ar/Ar (5)
-
fission-track dating (3)
-
K/Ar (4)
-
paleomagnetism (2)
-
thermochronology (4)
-
U/Pb (4)
-
-
geologic age
-
Cenozoic
-
Quaternary
-
Holocene (2)
-
Pleistocene
-
upper Pleistocene
-
Wisconsinan (1)
-
-
-
upper Quaternary (1)
-
-
Tertiary
-
Neogene
-
Miocene
-
Columbia River Basalt Group (1)
-
lower Miocene (2)
-
middle Miocene (3)
-
upper Miocene (1)
-
-
Pliocene (5)
-
upper Neogene (1)
-
-
Paleogene
-
Eocene
-
Chuckanut Formation (1)
-
Chumstick Formation (1)
-
lower Eocene (1)
-
Swauk Formation (1)
-
-
Oligocene
-
upper Oligocene (1)
-
-
Paleocene (3)
-
upper Paleogene (1)
-
-
-
upper Cenozoic (3)
-
Wildcat Group (1)
-
-
Dalradian (1)
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous
-
Aptian (1)
-
Barremian (1)
-
-
Middle Cretaceous (2)
-
Upper Cretaceous
-
Hornbrook Formation (1)
-
Turonian (1)
-
-
-
Franciscan Complex (3)
-
Jurassic
-
Ferrar Group (1)
-
Lower Jurassic (1)
-
Middle Jurassic (3)
-
Upper Jurassic
-
Kimmeridgian (1)
-
-
-
Triassic
-
Lower Triassic (1)
-
-
-
Paleozoic
-
Cambrian
-
Lower Cambrian (1)
-
Upper Cambrian
-
Potsdam Sandstone (1)
-
-
-
Devonian
-
Lower Devonian (1)
-
Ponta Grossa Formation (1)
-
-
lower Paleozoic (1)
-
middle Paleozoic (1)
-
Ordovician
-
Lower Ordovician (1)
-
Lushs Bight Group (1)
-
Middle Ordovician
-
Dapingian (1)
-
-
-
Permian
-
Lower Permian
-
Al Khlata Formation (1)
-
-
Upper Permian (1)
-
-
-
Phanerozoic (1)
-
Precambrian
-
Adirondack Anorthosite (1)
-
Archean (1)
-
Hadean (1)
-
upper Precambrian
-
Proterozoic
-
Neoproterozoic
-
Ediacaran (1)
-
Vendian (2)
-
-
Paleoproterozoic (2)
-
-
-
-
-
igneous rocks
-
igneous rocks
-
carbonatites (1)
-
plutonic rocks
-
diabase (2)
-
gabbros (1)
-
granites (3)
-
granodiorites (1)
-
ultramafics
-
peridotites
-
dunite (1)
-
-
pyroxenite (1)
-
-
-
volcanic rocks
-
andesites
-
boninite (1)
-
-
basalts
-
alkali basalts
-
alkali olivine basalt (1)
-
-
flood basalts (3)
-
mid-ocean ridge basalts (3)
-
ocean-island basalts (1)
-
tholeiite (2)
-
tholeiitic basalt (1)
-
trap rocks (1)
-
-
basanite (1)
-
glasses
-
volcanic glass (1)
-
-
pyroclastics
-
ash-flow tuff (1)
-
hyaloclastite (1)
-
ignimbrite (2)
-
rhyolite tuff (1)
-
tuff (1)
-
-
rhyolites (2)
-
-
-
ophiolite (4)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (1)
-
eclogite (1)
-
granulites (1)
-
marbles (1)
-
metaigneous rocks
-
metabasalt (1)
-
-
metasedimentary rocks (1)
-
metasomatic rocks (1)
-
metavolcanic rocks (1)
-
-
ophiolite (4)
-
turbidite (2)
-
-
meteorites
-
meteorites
-
Northwest Africa Meteorites (1)
-
stony meteorites
-
achondrites
-
lunar meteorites (1)
-
-
-
-
-
minerals
-
arsenides
-
lollingite (1)
-
-
native elements
-
graphite (1)
-
-
oxides
-
franklinite (1)
-
niobates
-
columbite (1)
-
pyrochlore (1)
-
-
tantalates
-
tantalite (1)
-
-
zincite (1)
-
-
phosphates
-
apatite (1)
-
monazite (1)
-
-
silicates
-
chain silicates
-
amphibole group (2)
-
-
orthosilicates
-
nesosilicates
-
phenakite group
-
willemite (1)
-
-
zircon group
-
zircon (4)
-
-
-
-
sheet silicates
-
illite (1)
-
talc (1)
-
-
-
sulfates
-
barite (1)
-
-
sulfides
-
sphalerite (1)
-
-
-
Primary terms
-
absolute age (16)
-
Africa
-
Afar (4)
-
Central Africa
-
Lake Kivu (1)
-
-
Congo Craton (1)
-
East Africa
-
Afar Depression (4)
-
Djibouti (3)
-
Ethiopia (7)
-
Ethiopian Rift (3)
-
Tanzania (1)
-
-
East African Lakes
-
Lake Kivu (1)
-
-
East African Rift (4)
-
Madagascar (1)
-
North Africa
-
Egypt (1)
-
-
Nubian Shield (2)
-
Southern Africa
-
Botswana (1)
-
Kaapvaal Craton (1)
-
Kalahari Craton (1)
-
Karoo Basin (1)
-
Namibia
-
Damara Belt (1)
-
Kaoko Belt (1)
-
-
South Africa (2)
-
-
West Africa
-
Benue Valley (3)
-
Cameroon (1)
-
Nigeria
-
Niger Delta (1)
-
-
-
-
Antarctica
-
Queen Maud Land (1)
-
Transantarctic Mountains
-
Pensacola Mountains
-
Dufek Intrusion (1)
-
-
-
-
Arctic Ocean
-
Norwegian Sea
-
Voring Basin (1)
-
-
-
Arctic region
-
Greenland
-
South Greenland (1)
-
West Greenland (2)
-
-
Jan Mayen (1)
-
-
Asia
-
Arabian Peninsula
-
Oman (1)
-
-
Far East
-
China
-
Xizang China (2)
-
-
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triple junctions
The 2021 and 2022 North Coast California Earthquake Sequences and Fault Complexity in the Vicinity of the Mendocino Triple Junction
Mantle structure, anisotropy, and dynamics of the Mendocino Triple Junction, northern California, USA
Introducing ViDA 3 , An Earthquake Early Warning Algorithm for Offshore Hypocenter Determination Using Onshore Seismic Networks
Distinct Yet Adjacent Earthquake Sequences near the Mendocino Triple Junction: 20 December 2021 M w 6.1 and 6.0 Petrolia, and 20 December 2022 M w 6.4 Ferndale
Reconciling plate motion and faulting at a rift-rift-rift triple junction
Deformed Latest Pleistocene Fluvial Terraces Reveal Complex Active Faulting within Tectonic Transition Zone, Mendocino Triple Junction, Northern California
Empirical Earthquake Source Scaling Relations for Maximum Magnitudes Estimations in Central America
Chronostratigraphy of Miocene strata in the Berkeley Hills (California Coast Ranges, USA) and the arrival of the San Andreas transform boundary
A dunite fragment in meteorite Northwest Africa (NWA) 11421: A piece of the Moon’s mantle
The Bouvet Plume: Parameters, Evolution, and Interaction with the Triple Junction of Midocean Ridges in the South Atlantic
Magmatic and post-magmatic evolution of the Newania carbonatite complex, Rajasthan, north-western India
Slip Deficit Rates on Southern Cascadia Faults Resolved with Viscoelastic Earthquake Cycle Modeling of Geodetic Deformation
Upper-plate response to ridge subduction and oceanic plateau accretion, Washington Cascades and surrounding region: Implications for plate tectonic evolution of the Pacific Northwest (USA and southwestern Canada) in the Paleogene
The complex Rodrigues triple junction migration since ca. 8 Ma: A response to episodic Amsterdam–St. Paul hotspot tail capture by the Southeast Indian Ridge?
The Ordovician South Mayo Trough, a basin that recorded the passage of a triple junction along the Laurentian margin
ABSTRACT Tectonic models for arc-continent collision can be overly complex where, for example, diachronous sedimentation and deformation along a single plate boundary are attributed to separate tectonic events. Furthermore, continuous sedimentation in a single basin recording a diachronous collision along a plate margin makes it difficult to use classical unconformable relationships to date an orogenic phase. In this chapter, we describe the Ordovician South Mayo Trough of western Ireland, a remarkable example of such a basin. It originated in the late Cambrian–Early Ordovician as a Laurentia-facing oceanic forearc basin to the Lough Nafooey arc. This arc was split by a spreading ridge to form a trench-trench-ridge triple junction at the trench. The basin remained below sea level during Grampian/Taconic arc-continent collision and, following subduction flip, received sediment from an active continental margin. Sedimentation ended during Late Ordovician Mayoian “Andean”-style shortening, broadly coeval with a marked fall in global sea level. These major tectonic events are traced through the nature of the detritus and volcanism in this basin, which is preserved in a mega-syncline. The Grampian orogen is not recorded as a regional unconformity, but as a sudden influx of juvenile metamorphic detritus in a conformable sequence.
Late Miocene to recent tectonic evolution of the Macquarie Triple Junction
Oceanic isostasy as a trigger for the rift-to-drift transition
ABSTRACT New low-temperature thermochronological data analyses (apatite fission track and apatite and zircon [U-Th]/He) on rocks from the southern (Pacific) margin of Mexico between Acapulco and the western Gulf of Tehuantepec, where pre–middle Eocene arc and forearc complexes are expected but missing, show that this continental margin was subjected to an important Tertiary exhumational event. Exhumation is constrained to ca. 32–20 Ma in the west (Acapulco) and to ca. 19–11 Ma in the east (Puerto Angel) and was thus eastwardly diachronous. The diachroneity is interpreted as relating to the migration of the Chortis block, representing the western end of the Caribbean plate. The amount of exhumation along the trend is constrained to roughly 4–5 km (~0.3–0.6 km/m.y.). These magnitudes and rates are much less than previous estimates of 2.5–4 km/m.y. during the Oligocene, which are likely overestimated. These faster rates have been employed in a competing model for arc removal by orthogonal subduction erosion (i.e., Chortis block not involved), which is accordingly questioned. The exhumation was not due to shearing or fault-related uplift as the Chortis block migrated, but rather to the inception of subduction along Mexico in the wake of Chortis block migration. A four-part history applies to southern Mexico that is eastwardly diachronous: (1) inception of arc magmatism as the Chortis block first moved over the ~150 km depth contour of the Farallon/Cocos Benioff zone; (2) uplift and exhumation of basement as southern Mexico encountered and overrode the site of the Farallon/Cocos Benioff zone; (3) northward migration of arc magmatism as the Chortis block left the cross section and North America continued to advance further onto the Cocos plate, producing flat slab subduction geometry; and (4) resumption of forearc subsidence once the Mexican margin had acquired a subduction zone hanging-wall geometry. The missing arc terrane along southern Mexico is the Chortis block.