Top ten biggest gold mines Mining Technology
Sep 29, 2013· The mine produced 862,000oz of gold in 2012, milling 165,000t of ore a day. Ongoing expansions at the mine are expected to ramp up the production to 240,000t per day by 2022. South Deep. South Deep gold mine located 45km southwest of Johannesburg in the Witwatersrand Basin, South Africa, is the second largest gold mine in the world.