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In 1970, South Africa produced 995 tonnes or 32 million ounces of gold, two-thirds of the world's production of 47.5 million ounces. [2] Production figures are for primary mine production. In the US, for example, for the year 2011, secondary sources (new and old scrap) exceeded primary production. [3]
The CONSOL Energy Mine Map Preservation Project is a project to preserve and digitize maps of underground coal mines in Southwestern Pennsylvania.. The project is a joint venture between the Pennsylvania Department of Environmental Protection, the United States Department of the Interior Office of Surface Mining, the University of Pittsburgh University Library System, and CONSOL Energy.
Map showing the location of the mine, near the centre of the image. The Red Lake mine is a Canadian gold mine located in northwestern Ontario at Red Lake. [1] It was one of the largest gold mines in Canada and in the world. [1] The mine had estimated reserves of 3.23 million oz of gold in 2013. [1]
The Juneau mining district is a gold mining area in the U.S. state of Alaska. In 1880 a local inhabitant, Chief Kowee, revealed to prospectors Joe Juneau and Richard Harris the presence of gold in what is now named Gold Creek in Silver Bow Basin. The city of Juneau was founded there that year.
Western Aggregate owns mining rights over much (but not all) of that property as a result of a purchase from a gold mining company in 1987 by its parent company Centex Construction, based in Texas. [ 7 ] [ 8 ] The Goldfields is the largest aggregate mine in the State of California, [ 9 ] as well as one of only two dredge gold-mining operations ...
This is a list of major active gold mines in Western Australia in 2022–23, according to the Department of Mines, Industry Regulation and Safety.To qualify for the department's official list of principal mining projects an operation has to either had mineral sales valued at more than $5 million (or more than 2,500 oz of gold), or, for operations where such figures are not reported, had a ...
Chesterfield Larder Lake Gold Mining Company 1939-1950 Copperfields Mine: Temagami: 1954-1972 Secondary products included cobalt, gold, nickel, palladium, platinum and silver. David Bell Mine: Hemlo: closed 2013
An interactive quiz relating to Dolaucothi Gold Mine. Includes an animation of a water wheel used to empty the Dolaucothi Gold Mine of water. Cultural jewels of Wales (under metal mining and manufacturing) Early reference; Spanish site dedicated to Roman technology, especially aqueducts and mines; Roman gold mine at Bessa, Italy; Las Médulas ...