Bering Sea And Strait | Sea, Pacific Ocean | Britannica

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Physiography

The Bering Sea may be divided into two nearly equal parts: a relatively shallow area along the continental and insular shelves in the north and east and a much deeper area in the southwest. In the shelf area, which is an enormous underwater plain, the depths are, in most cases, less than 500 feet. The deep part in the southwestern portion of the sea is also a plain, lying at depths of 12,000 to 13,000 feet and divided by separate ridges into three basins: the larger Aleutian Basin to the north and east, the Bowers Basin to the south, and the Komandor Basin to the west. The sea’s deepest point, 13,442 feet (4,097 metres), is in the Bowers Basin.

water glass on white background. (drink; clear; clean water; liquid)

Britannica Quiz Water and its Varying Forms

The continental crust is more than 12 miles thick along the shallow shelves and in the Aleutian Islands. The thickness decreases in the slope areas, and in the deep part of the sea the crust is 6 to 9 miles thick.

Enormous quantities of sedimentary material enter the sea annually from the land as a result of erosion of the shore. Plant and animal life at the surface also produce sedimentary material, but very little reaches the bottom, and consequently most of the sediment on the floor of the sea is from the land. Along with a great deal of silica, the bottom ooze holds a large quantity of boulders, pebbles, and gravel torn from the shores by ice and carried out to sea. In the southern part, the sediments are rich in material of volcanic origin.

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