Mining - WikipediaMining is extraction of valuable minerals or other geological materials from the earth usually from an orebody, lode, vein, seam, reef or placer deposits. These deposits form a mineralized package that is of economic interest to the miner. Ores recovered by mining include metals, coal, oil shale, gemstones, .. These books detail many different mining methods used in German and.difference between iron ore mining and coal mining,The Difference between Mining Coal and Iron OreTitle: The Difference between Mining Coal and Iron Ore. Creators: Schmidt, P. F.. Issue Date: 1891. Citation: Ohio Mining Journal, no. 20 (1891), 87-92.
difference between iron ore mining and coal mining