Science, asked by zaidkhan99221, 4 months ago

paragraph of minerals, it's sources, ores​

Answers

Answered by shrushti1415
5

An ore deposit must be profitable to mine by definition. ... Surface mines are created for mineral deposits that are near the surface; underground mines are blasted into rock to get at deeper deposits. Ore is extracted from rock by heap leaching, flotation or smelting.

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