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The pit, which is operated by the firm of Sachtleben Bergbau is the last active mine of the many that were once worked in the Black Forest. Its most common minerals are azurite, baryte, chrysocolla, claraite, cornwallite, fluorite, goethite, clinoclase, copper, malachite, pyrite, pyromorphite, mimetite, stolzite, silver und scorodite.
Because, in the meantime, many skills required special knowledge, other tradesmen were gradually employed in mining and in the pits: initially metalworkers and, later, electricians. Following training and passing exams, the craftsman had to gain practical experience in order to sit for his hewer examination.
Clearwell Caves, at Clearwell in the Forest of Dean, Gloucestershire, England, is a natural cave system which has been extensively mined for iron ore. It now operates primarily as a mining museum. The caves are part of a Natural England designated Site of Special Scientific Interest and the notification includes parts of Clearwell along with ...
P&H Mining Equipment sells drilling and material handling machinery under the "P&H" trademark. The firm is an operating subsidiary of Joy Global Inc. In 2017 Joy Global Inc. was acquired by Komatsu Limited of Tokyo, Japan, and is now known as Komatsu Mining Corporation and operates as a subsidiary of Komatsu.
Gold cyanidation (also known as the cyanide process or the MacArthur–Forrest process) is a hydrometallurgical technique for extracting gold from low-grade ore through conversion to a water-soluble coordination complex.
The New World Mining District is an area of mineralization that sits within Gallatin National Forest to the northeast of Cooke City and Yellowstone National Park, in Park County, Montana, United States. The district hosts extensive deposits of gold, silver and copper in zones of carbonate replacement.
This was accompanied by the resettlement of local villages and towns and the largest forest area in the region, the Hambach Forest, was largely cleared. On 17 January 1984, the first brown coal was mined. Hambach is the largest open-pit mine in Germany, with an area of 3,389 hectares (as of 2007), with an approved maximum size of 8,500 hectares.
John Andrew Henry Forrest AO (born 18 November 1961), nicknamed Twiggy, is an Australian businessman.He is best known as the former CEO (and current non-executive chairman) of Fortescue Metals Group (FMG), and has other interests in the mining industry and in cattle stations.