A sediment deposit close to the continental rise having a coarse material overlaid by successively finer materials of nonmarine origin is called a .

A sediment deposit close to the continental rise having a coarse material overlaid by successively finer materials of non marine origin is called a turbidite.

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Explanation:

Turbidity current is the movement of sediment laden water . It is caused by the high density nature of sediments . The current is prevalent in oceans and lakes and it one process that transport sediments from coastal areas to deep sea.

The sediments in the current makes the flow denser and very rapid. The rapid nature of the movement of this sediment laden water causes a kind of selective deposition in deep sea. The more coarse sediments are deposited before less coarse sediments. The sediments deposited fines upward. The coarsest sediments are found at the bottom and it fine upward.

Turbidites are sediments deposited by turbidity currents which gradually change from coarse grain to fine grain sediments. The continental rise is the boundary between continents and the deep part of the oceans. This area is usually laden with sediment deposited by turbidity current. The sediments laden water moves downhill.

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explanation:

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