THE PROCESS OF DIGGING THE ORE
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Mining
Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef, or placer deposit. ...
Ores recovered by mining include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay
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Guide to the Four Main Methods of Mining
Underground Mining. Relatively costly and frequently used to get to deeper deposits, underground mining involves digging down into the earth and creating tunnels and shafts that reach the deposits of resources. ...
Surface Mining. ...
Placer Mining. ...
In-Situ Mining. ...
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