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Oceanic trench - Wikipedia
Oceanic trench formed along an oceanic-continental convergent boundary The composition of the inner trench slope and a first-order control on trench morphology is determined by sediment supply. Active accretionary prisms are common in trenches near continents where rivers or glaciers supply great volumes of sediment to the trench.
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ocean trench | National Geographic Society
Ocean trenches formed by this continental-oceanic boundary are asymmetrical. On a trench’s outer slope (the oceanic side), the slope is gentle as the plate gradually bends into the trench. On the inner slope (continental side), the trench walls are much more steep. The types of rocks found in these ocean trenches are also asymmetrical.
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List of Deepest Ocean Trenches | Sciencing
The Mariana Trench is the deepest of all ocean trenches. Formed by the same plates that created the Philippine Trench, the Mariana Trench is just northeast of that slightly shallower one, to the east of the Mariana Island chain and just south of Japan. The deepest part, known as the Challenger Deep, is 10,911 meters (35,797 feet) below sea level.
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Oceanic trench | Definition of Oceanic trench at ...
Oceanic trench definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Look it up now!
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Oceanic trench - ScienceDaily
Oceanic trench The oceanic trenches are hemispheric-scale long but narrow topographic depressions of the sea floor. They also are the deepest parts of the ocean floor.
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Oceanic trench - Simple English Wikipedia, the free ...
Ocean trenches have relatively steep sides falling to the ocean floor.. Ocean trenches are typically caused when an oceanic crustal plate slides under a lighter continental plate or another oceanic plate. It is believed to work by density.Where one plate slides under another, this is called subduction.As the heavier plate descends, the long, narrow feature caused is called the "subduction zone".
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Ocean Trenches - Woods Hole Oceanographic Institution
The deepest trench in the world, the Mariana Trench located near the Mariana Islands, is 1,580 miles long and averages just 43 miles wide. It is home to the Challenger Deep, which, at 10,911 meters (35,797 feet), is the deepest part of the ocean. The Tonga, Kuril-Kamatcha, Philippine, and Kermadec Trenches all contain depths greater than 10,000 ...
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The Deepest Oceanic Trenches In The World - WorldAtlas
An oceanic trench is a long and narrow depression in the ocean floor. These trenches are considered the deepest part of the ocean floor, occurring at the boundary between convergent plates and lithospheric plates. These plates slowly move toward each other at distances that range from a few millimeters per year to more than 10 centimeters.
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Deep-sea trench | geology | Britannica
Deep-sea trench, any long, narrow, steep-sided depression in the ocean bottom in which occur the maximum oceanic depths, approximately 7,300 to more than 11,000 metres (24,000 to 36,000 feet). They typically form in locations where one tectonic plate subducts under another. The deepest known
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Mariana Trench - Wikipedia
The Mariana Trench or Marianas Trench is located in the western Pacific Ocean about 200 kilometres (124 mi) east of the Mariana Islands; it is the deepest oceanic trench on Earth. It is crescent-shaped and measures about 2,550 km (1,580 mi) in length and 69 km (43 mi) in width. The maximum known depth is 10,984 metres (36,037 ft) (± 25 metres [82 ft]) (6.825 miles) at the southern end of a ...
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