What are placer deposits?

Metals that occur as sandy deposit in sands of sea floor.

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Metals that occur as sandy deposit in sands of land floor.

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Minerals that occur as alluvial deposit in sands of valley floor.

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Solution

The correct option is C Minerals that occur as alluvial deposit in sands of valley floor.
Certain minerals may occur as alluvial deposits in sands of valley floors and the base of hills. These deposits are called ‘placer deposits’ and generally contain minerals, which are not corroded by water. Gold, silver, tin and platinum are most important among such minerals.

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Similar questions

Q. Which among the following minerals are examples of Placer deposits?These minerals may occur as alluvial deposits in sands of valley floors and the base of hills.

Q. Which one of the following minerals are largely occur as 'placer deposits' ?

Q. Alluvial soil is formed when silt, sand, and clay are deposited on flat lands or basins. This soil contains a large amount of minerals like potash, phosphoric acid, and lime, which makes it suitable for agriculture. Where in India would you find large deposits of such soil?

A ball is dropped from a hieght of 5m onto a Sandy floor and penetrates the sand upto 10 cm before coming to rest . Find the retardation of the ball in sand assuming it to be uniform.

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