Extracting Gold From Rock In South Africa

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Gold mining is a global business with operations on every continent, except Antarctica, and gold is extracted from mines of widely varying types and scale. Mines and gold mining operations have become increasingly geographically diverse, far removed from the concentrated supply of four decades or so ago when the vast majority of the world’s …

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Sep 08, 2016· AngloGold’s Mponeng is the world’s deepest mine, extracting gold from 3.9 kilometers (2.4 miles) below ground, equivalent to the height of almost nine Empire State Buildings. Within a 50-kilometer stretch of the N12 highway west of Johannesburg, there are five other mines -- Tau Tona, Driefontein, Kloof, South Deep and Kusasalethu …

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DRD Gold, one of the first South African companies to abandon traditional mining to focus on extracting gold from tailings. New technology allows it to recover up to 40% of the gold left in particle form in tailings.

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The U.S. Geological Survey estimates that in 2005 the world supply of gold was approximately 142.5 million ounces, with almost half located in South Africa.