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Mines Of South Africa China Gold Extraction Cyanide

Sep 04, 2020 The cyanide method was developed in the late 1800s, when gold mining in South Africa became a big industry and more technically advanced. However, artisanal miners in West Africa did not practise it until recently. In Burkina Faso, according to Lanzano, this innovation developed particularly rapidly in connection with political change.

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