Question

What is mean by extraction of minerals ? write any three types of extraction of minerals

Answer 1

Answer:

As opposed to underground mining in which the overlying rock and soil are left primarily intact and tunnels are dug, surface mining involves removing the top soil, called the overburden, in order to recover the minerals. The three most common types of surface mining are open-pit mining, strip mining, and quarrying

Explanation:

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Answer 2

The process by which we excavate and recover mineralization and also the waste rock embedded in Earth's crust for profit motive is called mineral extraction. The necessary metals and mineral products utilized in today's life are produced by this mineralization.

There are three ways of mineral extraction : Underground mining, Surface (open pit) mining, and Placer mining.

• Underground mining techniques are used to excavate higher-grade metallic ores, often more expensive. These ores are located deep underground beneath the Earth's surface.
• Surface mining is also used for many industrial minerals since the ore is often of low value and was deposited at or close to the Earth's surface.
• Through placer mining, rich minerals may be extracted from sediments found in modern river channels, beach sands, or prehistoric stream deposits.

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