Russia Made Gold Mining And Refinery Mobile
Russia Made Gold Mining And Refinery Mobile. 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.These deposits form a mineralized package that is of economic interest to the miner.Ores recovered by mining include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, .