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 include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay.
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In front of you is the world’s largest hydraulic excavator – an USD 11m that stands a full ten metres 33 feet high and 8.6 metres wide. The record-breaking Bucyrus is used for many operations, including coal, copper, iron ore and oil sands it is commonly found in Canada, but also has an underground coal specification.
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