Ocean Floor Deep Ocean Basin
Abyssal plains are about 25 miles 4 kilometers below sea level.
Ocean floor deep ocean basin. Lima discusses features of the ocean floor associated with the deep ocean basins abyssal plains guyots seamoutns abyssal hills mid ocean ridges tre. Ocean basin any of several vast submarine regions that collectively cover nearly three quarters of earths surface. We have looked at some ocean basin features that rise up from the ocean floor but we also see depressions in the ocean floor such as oceanic trenches. The deepest part of the ocean floor is the marianas trench near the philippines in the pacific ocean.
Eventually the continental shelf or continental rise leads to a deep ocean basin. Sediment thickness in the oceans averages about 450 metres 1500 feet. The ocean floor covers 70 of the earths surface. Together they contain the overwhelming majority of all water on the planet and have an average depth of almost 4 km about 25 miles.
The ocean basins are characterized not only by lying in deep water the ocean floor averages about 4km below sea level but also by being underlain by a thin layer of crust. The rest of the ocean floor varies in depth. What is at the bottom of the ocean. Are interesting things happening down there.
We know very little about the deep ocean floor and the life it holds due to the depth and the difficulties this creates for scientists. The only exception are the crests of the spreading centres where new ocean floor has not existed long enough to accumulate a sediment cover. Learn this and more in this informative video the mysteries of the bottom of the ocean can be. In fact it has been said that we know more about the surface of the moon than about the deeper ocean trenches.
Comprising 30 percent of the earths surface the deep ocean basins contain flat abyssal plains deep ocean trenches and submerged volcanoes known as seamounts. The ocean basin floor is everywhere covered by sediments of different types and origins. These trenches extend down below the normal. The elements of an active and growing oceanic basin include an elevated mid ocean ridge flanking abyssal hills leading down to abyssal plains.
On average oceanic crust is only 6 to 7km thick compared to 35 to 40km for continental crust. It is almost seven miles deep or about 35000 feet. A number of major features of the basins depart.
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