Ore Dressing Machines Ore Stone For Mills

2019-11-15mining is the extraction of valuable minerals or other geological materials from the earth, usually from an ore body, lode, vein, seam, reef or placer depositese deposits form a mineralized package that is of economic interest to the minerres recovered by mining include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay.

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