Okiep Copper District, Namaqualand, Northern Cape Province, South Africa

References:
- Lombaard, A. F. and the Exploration Staff Of The Okiep Copper Company Limited (1986): The copper deposits of the Okiep district, Namaqualand. In: Anhaeusser, C. R. and Maske, S. (Editors). Mineral Deposits of Southern Africa, Volume II, 1421-1445.
- Maier, W.D. (2000): Platinum-group elements in Cu-sulphide ores at Carolusberg and East Okiep, Namaqualand, South Africa. Mineralium Deposita 35, 422-429.
- Raith, J.G., and Stein, H.J. (2000): Re-Os dating and sulphur isotope composition of molybdenite from tungsten deposits in western Namaqualand, South Africa: implications for ore genesis and the timing of metamorphism. Mineralium Deposita 35, 741-753.
- Cairncross, B. (2004): History of the Okiep Copper District, Namaqualand, Northern Cape Province, South Africa. Mineralogical Record 35, 289-317.