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underground gold mining hard rock south africa

Nov 10 2015 · While Europe as well as other parts of Britain specialised in surface and underground coal mining ie softrock mining the Cornish mining industry toiled to release metals embedded in hard rock such as lead copper zinc silver nickel and tin and thus Cornishmen became world leaders in deep level hard rock mining at least until the early 20th century... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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