Witwatersrand Basin
CountrySouth Africa
RegionGauteng
Year Opened1886
Size/Depth3.5 km deep
MineralGold
About Witwatersrand Basin
The source of over 40% of all gold ever mined in human history. Has produced over 2 billion ounces. The reef is only 30 cm thick in places. The gold rush created Johannesburg. Mining continues at extreme depths.
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