2021-8-27 · Most manganese mining occurs in open pits. Although there are processes in place to mine manganese nodules in the ocean floor, they cannot complete with land-based mining production. Advertisement Find below are the list of Manganese Mines In South Africa Hluma Minerals, Mining South Africa, Minerals, Gold, Copper, Chrome, Iron Manganese Address: 242 Jean Ave, Centurion Central, …