Mining WikipediaMining is the extraction of valuable minerals or other geological materials from the earth usually from an orebody, lode, vein, seam, reef or placer deposits.Gold mining Wikiped

Iron ore in Africa WikipediaIron ore production in Africa is dominated by South Africa, Mauritania and Algeria; Zimbabwe and Morocco produce ore for use within the country. Many countries ...Ba

Crusher WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. Crushers may be used to reduce the size, or change the form, of waste ...Undergr

Prince George, British Columbia WikipediaPrince George, with a population of 74,003 (census agglomeration of 86,622), is the largest city in northern British Columbia, Canada, and is the "North