definition of deep ocean trench
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Deep-sea trench Deep-sea trench, also called oceanic 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).
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- The Mariana Trench or Marianas Trench is the deepest part of the world's oceans.It is located in the western Pacific Ocean, to the east of the Mariana Islands.he trench is not the part of the seafloor closest to the center of the Earth. This is because the Earth is not a perfect sphere; its radius is about 25 kilometres (16 mi) less at the poles than at the equator.
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The Mariana Trench The Mariana Trench is part of a global network of deep troughs that cut across the ocean floor. They form when two tectonic plates collide. At the collision point, one of the plates dives beneath the other into the Earth’s mantle, creating an ocean trench.
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- Introduction. Ocean trenches are natural tectonic plate boundaries between two crustal plates. When a continental plate converges with an oceanic plate a subduction zone forms. The heavier oceanic plate subducts beneath the lighter continental plate forming a trench.
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- A deep ocean trench is a portion of the Earth's crust in which a tectonic plate is being subducted (pushed down) below another plate. At the border of the 2 plates there is a … down turned portion of the uppermost plate along the uppermost edge of the subducting plate.hat is the deepest trench in the ocean and what ocean is it in? Mariana's Trench is the deepest trench in the world's oceans and it is found in the Pacific Ocean near Asia.
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- Deep-sea trench: 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
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Deepest Part of The Ocean: 14 Amazing facts about the Mariana Trench Location of the Mariana Trench. The Mariana Trench or Marianas Trench is the deepest part of the world's oceans. It is located in the western Pacific Ocean, to the east of the Mariana Islands. The trench is about 2,550 kilometres (1,580 mi) long but has an average width of only 69 kilometres (43 mi).he trench is not the part of the seafloor closest to the center of the Earth. This is because the Earth is not a perfect sphere; its radius is about 25 kilometres (16 mi) less at the poles than at the equator.
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Mid-Atlantic Ridge Near the equator, the Mid-Atlantic Ridge is divided into the North Atlantic Ridge and the South Atlantic Ridge by the Romanche Trench, a narrow submarine trench with a maximum depth of 7,758 m (25,453 ft), one of the deepest locations of the Atlantic Ocean.
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Deep sea Deep sea zones. The deep sea or deep layer is the lowest layer in the ocean, existing below the thermocline and above the seabed, at a depth of 1000 fathoms (1800 m) or more. Little or no light penetrates this part of the ocean, and most of the organisms that live there rely for subsistence on falling organic matter produced in the photic zone.
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Ocean Trenches Introduction. Ocean trenches are natural tectonic plate boundaries between two crustal plates. When a continental plate converges with an oceanic plate a subduction zone forms. The heavier oceanic plate subducts beneath the lighter continental plate forming a trench.wo oceanic plates converging forminga trench between the plates, USGS. Mariana Trench Trenches form in some areas when two oceanic plates converge forming a subduction zone. The Pacific Plate is subducting beneath the Mariana Plate forming Mariana Trench.
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What Is The Definition Of Deep Ocean Trench? Instead they applied the term deep for deepest parts of ocean, such as challenger. The sirena deep, which lies 124 miles (200 kilometers) to the east of challenger is a bruising 35,462 feet deep (10,809 m). Deep sea trench define oceanic at dictionary. By comparison, mount everest stands at 29,026 feet (8,848 m) above sea level, meaning the deepest part of mariana trench is 7,044 (2,147 deeper than tall. Many fish species have adapted to life in these dark ocean trenches ...
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- The Tonga Trench is an oceanic trench located in the South Pacific Ocean.uch oceanic trenches are important sites for the formation of what will become continental crust and for recycling of material back into the mantle. Along the Tonga Trench mantle-derived melts are transferred to the island arc systems, and abyssal oceanic sediments and fragments of oceanic crust are collected.
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Mariana Trench Location of the Mariana Trench. The Mariana Trench or Marianas Trench is the deepest part of the world's oceans. It is located in the western Pacific Ocean, an average of 124 miles/200km to the east of the Mariana Islands, in the Western Pacific East of Philippines. The trench is about 2,550 kilometres (1,580 mi) long with an average width of 69 kilometres (43 mi).
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- 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.
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Ocean trenches - Mariana trench Ocean trenches are deep sections of the ocean where an oceanic plate is usually sinking below a continental plate. Some example of ocean trenches.
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What Is The Definition Of Deep Ocean Trench? Deep sea trench define oceanic at dictionary browse url? Q webcache. There are three types of the deepest ocean depth to be sounded is in challenger deep mariana trench at a 10911 m (35798 ft) below sea level.
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Library Examples of some deep ocean trenches that are subduction zones are off the West coast of South America, in the Peruvian Trench. The Aleutian Trench, in the North Pacific Ocean, and the deepest, most famous one in the world, the Marianas Trench off the coast of the Marianas Islands in the Southeast Pacific.
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- Location of the Mariana Trench. The Mariana Trench or Marianas Trench is the deepest part of the world's oceans. It is located in the western Pacific Ocean, to the east of the Mariana Islands. The trench is about 2,550 kilometres (1,580 mi) long but has an average width of only 69 kilometres (43 mi).
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What is the largest trench in the world? Challenger Deep in the Mariana Trench (or Marianas Trench) is the deepest point in Earth's oceans. The bottom there is 10,924 meters (35,840 feet) below sea level. If Mount Everest, the highest mountain on Earth, were placed at this location it would be covered by over one mile of water.
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Deep Ocean Trench: Definition & Examples The Mariana Trench is the biggie, but there are others. Along the West coast of South America, there is the Peru-Chile trench, and even in the Atlantic, which doesn't have as many trenches, there is the Puerto Rico Trench, which is an impressive 28,232 feet deep and 175 miles long.
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TRENCH Atacama Trench (a depression the floor of the Pacific Ocean off the coast of Chile). Bougainville Trench (a depression in the floor of the Pacific Ocean between New Guinea and the Solomon Islands). Japan Trench (a depression in the floor of the Pacific Ocean northeast of Japan that reaches depths of 30,000 feet).
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Mariana Trench The Mariana Trench is the deepest part of the world's oceans, and the lowest elevation of the surface of the Earth's crust. It is located in the western Pacific Ocean to the e…ast of the Mariana Islands, near Japan. It reaches a maximum known depth of about 11.03 kilometres (6.85 mi). 9 people found this useful.
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- Deep-sea trench. Written By: Deep-sea trench, also called oceanic 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.
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ocean trench Ocean trenches are long, narrow depressions on the seafloor. These chasms are the deepest parts of the ocean—and some of the deepest natural spots on Earth. Ocean trenches are found in every ocean basin on the planet, although the deepest ocean trenches ring the Pacific as part of the so-called “Ring of Fire” that also includes active volcanoes and earthquake zones.
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Oceanic trench Oceanic trench. Oceanic crust is formed at an oceanic ridge, while the lithosphere is subducted back into the asthenosphere at trenches. Oceanic trenches are topographic depressions of the sea floor, relatively narrow in width, but but very long. These oceanographic features are the deepest parts of the ocean floor. Oceanic trenches are a distinctive morphological feature of convergent plate boundaries, along which lithospheric plates move towards each other at rates that vary from a few mm to over ten cm per year.