small scale customer gold milling south africa
South Africa has the world''s deepest hard rock gold mine up to 3,900 metres (12,800 ft) mining WikipediaIt is impossible to know the exact date that humans first began to mine gold, but some of the oldest known gold artifacts were found in the Varna Necropolis in graves of the necropolis were built between 4700 and 4200 BC, indicating that gold .