- John Taolo Gaetsewe District Municipality
- Joe Morolong Local Municipality
| Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, Linden . Von Bezing, K. L. et al. (1991) The Kalahari manganese field: An Update. Mineralogical Record: 22(4), 279-302 |
Mamatwan Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa