![]() It extends past the abyssopelagic zone in parts of the world where that is physically possible this is usually in the form of deep sea trenches and canyons. They took the Trieste into the deep ten thousand nine hundred and fifteen meters. The trenches (hadalpelagic zone) is the deepest part of the ocean. In 1960, Jacques Picard and Navy Lieutenant Donald Walsh took the bathyscaphe Trieste into Challenger Deep. Challenger Deep was named after the HMS Challenger II who discovered the point in 1948. The deepest point in the Mariana Trench and in the oceans is Challenger Deep which is three hundred and forty kilometers off the coast of Guam. Then oceanic crust or subducted crust forms the trench. So when the oceanic crust which is heavier is pushed against the continental crust which is lighter, the oceanic crust is pushed to the bottom and the continental crust to the top. This either causes pieces of the crust to be pushed together or apart. Sometimes the lava from the mantle rises up through the cracks in the crust. The Editors of Encyclopaedia Britannica This article was most recently revised and updated by Amy McKenna. But what does this mean to us in the real world Well, it’s hard to imagine. On March 26, 2012, Canadian filmmaker James Cameron piloted the submersible Deepsea Challenger (which he had helped design) to 35,756 feet (10,898 metres), in the process establishing a new world record depth for a solo descent. ![]() The solid crust of the earth which are in pieces are on top. Sometimes pressure is also measured in ‘psi’ (and in the deepest point in the ocean, it is 15,750 psi). The interior of the earth or the mantle is composed of lava. The Mariana Trench was formed by the process of subduction. It extends northeast to southwest for about two thousand five hundred fifty meters and is seventy kilometers wide. The shape of the Mariana Trench is that of a semi-circle. It is 11,034 meters (36,201 feet) deep, which is almost 7 miles. The Mariana Trench is located in the western part of the Pacific Ocean near the fourteen Mariana Islands. Then explain to students that the Mariana Trench is the deepest part of the ocean and the deepest location on Earth. The deepest point in the ocean lies in the Mariana Trench in the Pacific Ocean. " Deepest point: 36,198 feet (11,033 m) in the Mariana Trench in the western Pacific." "The Pacific is the deepest of the oceans, the distance from the surface to the bottom of the Marianas Trench, off Guam, being seven miles." "The deepest point in the ocean is generally believed to be in the Marianas Trench in the Western Pacific Ocean at approximately 36,160 feet (11,021 m), according to the Rand McNally Atlas (1977)." Its a depression called Factorian Deep at the far southern end of the South Sandwich Trench. National Oceanographic Data Center, 2003. Challenger Deep, in the Mariana Trench, is the deepest point in the ocean known so far, at approximately 11 kilometres - deeper than Mount Everest is tall. Likewise, in the Southern Ocean, there is now a new place we must consider that regions deepest point. ![]() "The greatest known depth is located in the Mindanao Trench (West Pacific) where the British ship Cook (1962) found 11,516 meters in depth exceeding Mount Everest's height by 2,660 meters." "The deepest place in this trench- the deepest place in any ocean- is 11 kilometers below sea level."
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