Gold mining - Wikipedia
Gold mining is the resource extraction of gold by mining.. As of 2017, the world's largest gold producer was China with 429.4 tonnes.The second-largest producer, Australia, mined 289.0 tonnes in the same year, followed by Russia with 272.3 tonnes.Mining - Wikipedia,Mining is the extraction of valuable minerals or other geological materials from the earth, usually from an orebody, 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, rock salt, potash, gravel, and clay.Gold Mining Machinery Wholesale, Gold Mining Suppliers,,There are 59,452 gold mining machinery suppliers, mainly located in Asia. The top supplying countries are China (Mainland), South Korea, and Taiwan, which supply 99%, 1%, and 1% of gold mining machinery respectively. Gold mining machinery products are most popular in Africa, Domestic Market, and Southeast Asia.