Web4 – Marine Trench. 5 – Sea Level. 6 – Continental Shelf. Answer b: Trenches, abyssal plains, etc are useful for deep sea research. On the ocean-bed, there are some landforms which are deep, narrow and steep. They are called marine deeps or trenches. http://www.actforlibraries.org/how-deep-ocean-trenches-are-formed/
Deep-Sea Trench - definition of Deep-Sea Trench by The Free …
WebDescribe the characteristics, explain the formation, of deep sea trenches and island arcs Island arcs and trenches are major structural features, together with oceanic ridges, of ocean basins... The arc is convex toward the ocean and concave toward the continent with a deep trench running parallel to the arc along the convex (ocean) side... WebChallenger Deep is located at the southernmost part of the trench, around 10,920 m below sea level (Gvirtzman & Stern, 2004). The British exploring ship Challenger discovered the Challenger Deep on its 1873-1876 voyage (Nakanishi & Hashimoto, 2011). The southern part of Mariana’s Trench, where the Challenger Deep is located, is up to two ... robert hayes tax san jose
Ocean trenches – Concept, formation, examples, organisms
WebMar 31, 2024 · The process of subduction of tectonic plates to form oceanic trenches. Oceanic Trenches are formed by a process called subduction, where two or more tectonic plates converge. The old denser plate slides beneath a younger, less-dense plate much deep into the mantle, resulting in the seafloor and lithospheric crust bending to form a … WebJun 18, 2024 · The theory of plate tectonic can help to explain almost all of the landforms on the surface of the earth. i. Deep sea Trenches: A sea trench is a long deep valley along an ocean floor.they form along a … Web- deep sea trench may occur where one of the plates is subducted ... active volcanic activity also contributes to the formation of the fold mountains due to the production of volcanic material like deep granitic intrusions and andesitic magmas. Sets with similar terms. Cambridge A level Geography- Rocks and Weathering. 63 terms. honey_badgR ... robert hayhoe miller thomson