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See searches and references containing CONTINENTAL MARGIN!CONTINENTAL MARGIN
Zone of the ocean floor
A continental margin is the outer edge of continental crust abutting oceanic crust under coastal waters. The continental margin consists of three different
Continental_margin
Coastal and oceanic landform
continental margin, between the continental shelf and the abyssal plain, comprises a steep continental slope, surrounded by the flatter continental rise
Continental_shelf
Transition between oceanic and continental lithosphere that is not an active plate margin
A passive margin is the transition between oceanic and continental lithosphere that is not an active plate margin. A passive margin forms by sedimentation
Passive_margin
Uplifted and exposed oceanic crust
nonetheless: subduction initiation, thrusting of the ophiolite over a continental margin or an overriding plate at a subduction zone, and exposure at the surface
Ophiolite
Underwater feature connecting the continental slope and the abyssal plain
continental slope and the abyssal plain. It is a major part of the continental margin, covering around 10% of the ocean floor. This geologic structure results
Continental_rise
Topics referred to by the same term
margin in Wiktionary, the free dictionary. Margin may refer to: Margin (typography), the white space that surrounds the content of a page Continental
Margin
Geological process at tectonic plate boundaries
intervening between the continental margin and the subduction zone is progressively swallowed until the continental margin arrives at the subduction
Obduction
Mountain range in western India
(Rishabhdev) lineament to the west, simultaneous development of a passive continental margin with the undersea shelf rise sediments of the Aravalli-Jharol belts
Aravalli_Range
maritime law and geography, this continental margin, which comprises a continental shelf, continental slope and continental rise, is the closest geological
Continental_shelf_of_Brazil
Mountain range in Canada and the United States
when a group of active volcanic islands approached a pre-existing continental margin and coastline of North America. These volcanic islands, known as the
Coast_Mountains
Ancient supercontinent of approximately 2,500 to 1,500 million years ago
modern-day Brazil lined up with eastern North America, forming a continental margin that extended into the southern edge of Scandinavia. Columbia was
Columbia_(supercontinent)
Coastal waters that are part of a sovereign state's sovereign territory
convention defines the "continental shelf" of coastal countries. A state's continental shelf extends to the outer edge of the continental margin but at least 200
Territorial_waters
Formation of mountain ranges
subduction continues, island arcs, continental fragments, and oceanic material may gradually accrete onto the continental margin. This is one of the main mechanisms
Orogeny
Rockall–Porcupine margin or Irish-Scottish margin is part of the continental margin of Northwestern Europe, lying to the west of Ireland and Scotland. The margin is
Rockall–Porcupine_margin
Volcanic ridge and oceanic plateau between the Northern and Central Indian Ocean
south of or near the Equator together with the remaining western continental margin of India, when India separated first from Madagascar in the Mid-Cretaceous
Chagos–Laccadive_Ridge
Type of volcanic arc occurring along a continental margin
A continental arc is a type of volcanic arc occurring as an "arc-shape" topographic high region along a continental margin. The continental arc is formed
Continental_arc
Steep-sided valley cut into the seabed of the continental slope
more dendritic and more closely spaced on active than on passive continental margins. The walls are generally very steep and can be near vertical. The
Submarine_canyon
Prehistoric superocean that surrounded Pangaea
completely disappeared because of the continuous subduction along the continental margins on its circumference. Panthalassa is also referred to as the Paleo-Pacific
Panthalassa
the northern Cantabrian continental margin about 12,000 years ago. The Le Danois Bank represents part of the continental margin that have been uplifted
Proposed locations for Atlantis
Proposed_locations_for_Atlantis
Regions of long-term subsidence creating space for infilling by sediments
formed on oceanic crust are likely to be destroyed by subduction. Continental margins formed when new ocean basins like the Atlantic are created as continents
Sedimentary_basin
Late-Proterozoic to early-Palaeozoic continent
Orogeny the northern margin became an active margin and Baltica expanded northward with the accretion of a series of continental blocks: the Timan-Pechora
Baltica
Network of ocean observatories
Southern Hydrate Ridge. The Continental Margin Array includes infrastructure located on the continental slope and continental slope base that connects to
Ocean Observatories Initiative
Ocean_Observatories_Initiative
Tectonic formation of the Cenozoic era
tectonic formation located off the coast of the western California continental margin during the late to mid Cenozoic era, around 50 miles southeast of
Farallon_Trench
First geological period of the Paleozoic Era
development of new convergent plate boundaries and continental-margin arc magmatism along its margins that helped drive up global temperatures. Laurentia
Cambrian
models: Passive continental margin model Crystalline axis model Accreted terrane model Carboniferous-extension model This model is a single margin model. Here
Pre-collisional_Himalaya
Type of maritime area
extension of the outer limit of the continental shelf or establishment of the outer edge of the continental margin, every coastal state has the privilege
Extended_continental_shelf
Geological formation in the United States
very occasional peaty swamp deposits along the low-lying eastern continental margin fronting the late Cretaceous Western Interior Seaway. The climate
Hell_Creek_Formation
Mountain range in Finland, Norway, and Sweden
Geologically, the Scandinavian Mountains are an elevated, passive continental margin similar to the mountains and plateaux found on the opposite side of
Scandinavian_Mountains
First period of the Cenozoic Era
Africa began to converge with Eurasia. The irregular outlines of the continental margins, including the Adriatic promontory (Adria) that extended north from
Paleogene
Adjacent sea zone in which a state has special rights
It is also referred to as a maritime continental margin and, in colloquial usage, may include the continental shelf. The term does not include either
Exclusive_economic_zone
Piece of subcontinental land surrounded by water
distinct from a continent, completely surrounded by water. There are continental islands, which were formed by being split from a continent by plate tectonics
Island
Nonprofit dedicated to submarine cable protection
following protective burial of subsea cables - Observations from the continental margin". Ocean Engineering. 157: 251–261. Bibcode:2018OcEng.157..251K. doi:10
International Cable Protection Committee
International_Cable_Protection_Committee
Island in Indonesia and Timor-Leste
Eurasian oceanic crust and continental crust of the Australian plate. This is a unique convergent margin where a thick continental margin is forced under thinner
Timor
two continental terrane suggests that it could have been an intraoceanic island arc in the past, locating in between the Asian continental margin (Lhasa
Paleogeography of the India–Asia collision system
Paleogeography_of_the_India–Asia_collision_system
10 year international marine biological program
(Global Census of Marine Life on Seamounts) Continental Margins: COMARGE (Continental Margin Ecosystems) Continental Shelves: POST (Pacific Ocean Shelf Tracking
Census_of_Marine_Life
Landslides that transport sediment across the continental shelf and into the deep ocean
in are fjords, active river deltas on the continental margin, submarine canyon fan systems, open continental slopes, and oceanic volcanic islands and ridges
Submarine_landslide
Abyssal channel south of South Africa between the Agulhas Bank and Agulhas Plateau
Uenzelmann-Neben, G. (2009). "Southern African continental margin: Dynamic processes of a transform margin" (PDF). Geochemistry, Geophysics, Geosystems
Agulhas_Passage
Mountain range in eastern North America
the continental plates moved closer together, fragments of oceanic crust, islands, and other continental masses collided with the eastern margin of ancestral
Appalachian_Mountains
Plateau in the Atlantic Ocean
in his honor. Leslie R. Sautter. "A Profile of the Southeast U.S. Continental Margin". NOAA Ocean Explorer. National Oceanic and Atmospheric Administration
Blake_Plateau
Transitional concept of geologic time
arc or continental margin volcanism. This volcanism includes more silicic lavas the further from the edge of the island arc or continental margin, indicating
Rock_cycle
Seabed and subsoil of submarine areas extending beyond Chile's coast
state's continental shelf. To establish the extent of the outer edge of the continental margin and, therefore, the outer limit of the extended continental shelf
Continental_shelf_of_Chile
Physiographical region in South Asia
Orogeny. After the Lhasa terrane had adjoined Eurasia, an active continental margin opened along its southern flank, below which the Neo-Tethys oceanic
Indian_subcontinent
Mountain range in Oman and the UAE
(2004-04-01). "Eoalpine (Cretaceous) evolution of the Oman Tethyan continental margin: insights from a structural field study in Jabal Akhdar (Oman Mountains)"
Hajar_Mountains
Exploratory vessel for the National Oceanic and Atmospheric Administration
1007/s12526-018-0860-2 "Windows of the Deep 2018: Exploration of the Southeast U.S. Continental Margin". NOAA. Retrieved 27 June 2018. This article incorporates text from
NOAAS_Okeanos_Explorer
Movement of Earth's lithosphere
along its margins. All this evidence, both from the ocean floor and from the continental margins, made it clear around 1965 that continental drift was
Plate_tectonics
Set of island arcs in eastern Indonesia
the original Australian continental basement, or 3) They are metamorphosed exposures of the subducted passive continental margins of Australia. Petrological
Banda_Arc
Physiogeological region in the Pacific Northwest of North America
arc called the Intermontane Islands collided against a pre-existing continental margin. This island arc is believed to have formed on a pre-existing tectonic
Intermontane_Belt
Fifth period of the Paleozoic Era
passive margin of northeastern Laurussia (Baltica craton). The suture zone between the former island arc complex and the continental margin formed the
Carboniferous
Peninsula located in northern Antarctica
shoreline onto the Pacific outer continental shelf and completely filled the Weddell Sea up to the continental margin with grounded ice. The deglaciation
Antarctic_Peninsula
Slab of oceanic crust
overthrust a continental margin: The gravity sliding model: A seven to 20 km thick ophiolitic terrane could slide onto a continental margin. This requires
Samail_Ophiolite
Extinct genus of jawless fishes
Ordovician period. Sacabambaspis inhabited shallow waters on the continental margins of the southern supercontinent Gondwana. The most complete specimens
Sacabambaspis
Geological linear zone where the lithosphere is being pulled apart
wide. Contrary to what was previously thought, elevated passive continental margins (EPCM) such as the Brazilian Highlands, the Scandinavian Mountains
Rift
Hot semifluid material found beneath the surface of Earth
southern margin of the Tibetan Plateau. Granite and rhyolite are types of igneous rock commonly interpreted as products of the melting of continental crust
Magma
Geographic feature in Australia
the east of the continent. It was created due to formation of a new continental margin in the Mesozoic, followed by tectonic uplifting of the divide and
Great_Escarpment,_Australia
Geological formation in the European Alps
southeast than its present location. It was separated from the European continental margin of the time by the Piemont part of the Piemont-Liguria Ocean. Later
Austroalpine_nappes
Geologic description of the Appalachian Mountains
zone, the early Appalachians were born. Volcanoes grew along the continental margin, coincident with the initiation of subduction. Thrust faulting uplifted
Geology_of_the_Appalachians
Volcanic activity in Canada
pre-existing continental margin by ongoing subduction under the Slide Mountain Ocean, the Intermontane Islands drew closer to the former continental margin and
Volcanism_of_Canada
Sediments at a convergent plate boundary
the continental margin. Since the Late Devonian and Early Carboniferous periods, some 360 million years ago, subduction beneath the western margin of North
Accretionary_wedge
2nd-highest mountain on Earth
zone along what was the continental margin of Asia at that time and their intrusion as batholiths into its lower continental crust. During the initial
K2
Tectonic boundary
Philippine Sea plate where the Luzon arc has developed, with the continental margin of Eurasia. Start of collision is associated with the kinematic reorganization
Philippine_Mobile_Belt
Layer of rock that forms the continents and continental shelves
the short life of oceanic crust. Because continental crust is less dense than oceanic crust, when active margins of the two meet in subduction zones, the
Continental_crust
Oceanic basin in the Indian Ocean
Australian sedimentary basin with the same name. It bounds the Australian continental margin in the area of its northwestern shelf. From the north, east, south
North_Australian_Basin
Geological strata
nature and develop as a response to extensional collapse of a passive continental margin (i.e. Niger Delta, Mississippi Delta). Their main feature is that
Rollover_anticlines
Ancient craton forming the Central Siberian Plateau
during the late Carboniferous-Permian. The Verkhoyansk Sea, a passive continental margin, was fringing the Siberian Craton to the east in what is now the East
Siberia_(continent)
British Columbia seismic fault
Puget Sound, following the edge of a relict continental margin just as the Tofino Fault follows the present margin. More recent interpretations of marine seismic
Leech_River_Fault
Mountain building event caused by the collision of Laurentia, Baltica and Avalonia
sedimentary basin whose sediments were largely derived from an earlier continental margin volcanic arc. It underwent subduction-related tectonic uplift which
Caledonian_orogeny
Rift basin in the Niger Delta
located in the Niger Delta and the Gulf of Guinea on the passive continental margin near the western coast of Nigeria with suspected or proven access
Niger_Delta_Basin_(geology)
Marginal sea of the Atlantic Ocean
beach. The Gulf of Mexico is an excellent example of a passive margin. The continental shelf is quite wide at most points along the coast, notably at
Gulf_of_Mexico
"about once per 670 years". The Atlantic continental margin of the Northeastern United States is a passive margin. The seismicity of the northeast is generally
Seismicity of the New York City area
Seismicity_of_the_New_York_City_area
Tsunami in Nice, France
Peter; Boulanger, Eric (2007). "Submarine Mass Movements on Continental Margins". Continental Margin Sedimentation. Oxford, UK: Blackwell Publishing Ltd. pp
1979_Nice_tsunami
overrides the down-going slab. The process continues until a buoyant continental margin sitting on the top of the subducting plate is introduced into the
Subduction_polarity_reversal
Arc-shaped volcanic archipelago
fragments of continental crust that have migrated away from an adjacent continental land mass or at subduction-related volcanoes active at the margins of continents
Island_arc
Submarine ridge off the coast of Peru
tectonic erosion margin. There is no accretionary wedge forming in the trench, and what sediment is found there is from continental sources, based on
Nazca_Ridge
calc-alkaline plutonic rocks; the northern, external domain consists of a continental margin foreland basin overlying an Archaean basement and includes the supracrustal
Penokean_orogeny
Process occurring in plate tectonics
collisions. When the continental margin of the subducting plate reaches the oceanic trench of the subduction zone, the more buoyant continental crust will in
Slab_detachment
Relatively flat submarine region that rises well above the level of the ambient seabed
"dock" to continental margins and be preserved as accreted terranes. Such terranes are often better preserved than the exposed parts of continental flood
Oceanic_plateau
Ancient string of microcontinents that rifted from Gondwana
(1974). "Possible Ancient Continental Margins in Iran". In Burk, C. A.; Drake, C. L. (eds.). The geology of continental margins. Springer Berlin Heidelberg
Cimmeria_(continent)
Northwest Atlantic Ocean submarine canyon
Hudson River. It extends out over 400 miles (640 km) seaward across the continental shelf, finally connecting to the deep ocean basin at a depth of 1.9–2
Hudson_Canyon
Large-scale breccia
melanges formed in active continental margin settings generally consist of altered oceanic crustal material and blocks of continental slope sediments in a
Mélange
Sedimentary rock containing large amounts of phosphate minerals
environmental conditions in which phosphorites are produced within continental margins. Continental margins can consist of organic-rich sedimentation, strong coastal
Phosphorite
Non-volcanic passive margins (NVPM) constitute one end member of the transitional crustal types that lie beneath passive continental margins; the other end
Non-volcanic_passive_margins
Piece of continental crust in the Penninic nappes of the Alps
the European continental margin before the Early Cretaceous opening of the Valais Ocean, which separated it from the rest of the margin. It was the eastern
Briançonnais_zone
Second era of the Phanerozoic Eon
Laurasia, and a southern continent, Gondwana. This created the passive continental margin that characterizes most of the Atlantic coastline (such as along the
Mesozoic
Geological processes that underlie the formation of mountains
widely accepted geophysical model that explains elevated passive continental margins such as the Scandinavian Mountains, eastern Greenland, the Brazilian
Mountain_formation
North American orogeny
Iapetus Ocean, the Appalachian accretionary events to the eastern continental margin, and the resulting foreland-basin and clastic wedges. Avalonian terranes
Acadian_orogeny
Craton forming the geological core of North America
(episodes of continental flooding) during the early Paleozoic, the Sauk and the Tippecanoe. During this time, the Western Cordillera was a passive margin. Sedimentary
Laurentia
island arcs and assorted ocean-floor rocks have been added along the continental margin. There are at least five geologic provinces in the area: the Cascade
Geology of the Pacific Northwest
Geology_of_the_Pacific_Northwest
Geophysicist
lies in combining geological and geophysical data of the oceans and continental margins. Her research also investigates the interaction of the solid Earth
Carmen_Gaina
Geology of U.S. state
arcs collided with the Laurentian continental margin. Also termed continental terranes, these sections of continental rock typically formed offshore or
Geology_of_Massachusetts
Zone affected by mountain formation
island arcs may be added to a continental margin during an accretionary orogeny. The orogeny may culminate with continental crust from the opposite side
Orogenic_belt
System that relates geologic strata to time
Agustin (November 2019). "Continental margin response to multiple arc-continent collisions: The northern Andes-Caribbean margin". Earth-Science Reviews
Geologic_time_scale
Basin in offshore Pakistan
carbonate platforms of Paleocene and early Eocene age formed along the continental margin and detached platforms on volcanic seamounts within the basin. Between
Offshore_Indus_Basin
Form of transitional crust
passive margins (VPM) and non-volcanic passive margins are the two forms of transitional crust that lie beneath passive continental margins that occur
Volcanic_passive_margin
suture marks the collision of a passive margin at the north of the Tarim block and an active continental margin; subduction under the latter was to the
Tectonics_of_the_Tian_Shan
Triassic islands arcs
By the Early Jurassic, the Intermontane Islands collided with the continental margin. Because the island arcs were relatively buoyant compared to the subducting
Intermontane_Islands
Volcanic lake located in North Sumatra Province, Indonesia
Sumatra, Indonesia". Journal of Volcanology and Geothermal Research. Continental Margin Volcanism – A volume in memory of James F. Luhr. 197 (1): 259–278
Lake_Toba
side of the fault the rocks represent the sediments of the eastern continental margin zone of the European Plate (Baltica). On the east the rocks are accreted
Main_Uralian_Fault
Tectonic belt of earthquakes and volcanoes
subduction zones worldwide, no oceanic trench is present along the continental margin in Cascadia. Instead, terranes and the accretionary wedge have been
Ring_of_Fire
Andean type continental margin, where an oceanic plate is subducting underneath a continental plate as shown in figure 4. Evidence for a continental rift setting
Xiong'er_Volcanic_Belt
Very large volume eruption of basalt lava
are located on passive continental plate margins, or extend into aulacogens (failed arms of triple junctions where continental rifting begins.) Flood
Flood_basalt
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