Wesselton Mine, Kimberley, Francis Baard District, Northern Cape Province, South Africa
|Latitude & Longitude (WGS84):||28° 46' 4'' South , 24° 49' 43'' East|
|Latitude & Longitude (decimal):||-28.76781,24.82877|
|Köppen climate type:||BSh : Hot semi-arid (steppe) climate|
A diamond mine in a kimberlite pipe. The Wesselton mine was the last of the Kimberley mines to be started in 1890. In 1891, the mine was taken over by DeBeers. When it was closed in 2005, the deepest level was at 995 meters below surface, making it the deepest diamond mine in the world.
9 valid minerals.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
252.17 - 298.9 Ma
|Prince Albert Formation of Ecca Group of Karoo Supergroup|
- Mathias, M., Siebert, J.C., and Rickwood, P.C. (1970): Some Aspects of the Mineralogy and Petrology of Ultramafic Xenoliths in Kimberlite. Contributions to Mineralogy and Petrology 26, 75-123.
- Rocks & Minerals: 18: 74.
- Mining Annual Review (1985): 147.
- Mitchell, R.H. (1994): Accessory rare earth, strontium, barium and zirconium minerals in the Benfontein and Wesselton calcite kimberlites In: Proceedngs of the Fifth International Kimberlite Conference (H.O.A. Meyer & O.H. Leonardos, editors). Companhia de Pesquisa de Recursos Minerais, Spec. Publication 1: 115-128.
- Field, M., Stiefenhofer, J., Robey, J., and Kurszlaukis, S. (2008): Kimberlite-hosted diamond deposits of southern Africa: A review. Ore Geology Reviews 34, 33-75.
White, J. L., Sparks, R. S. J., Bailey, K., Barnett, W. P., Field, M., & Windsor, L. (2012). Kimberlite sills and dykes associated with the Wesselton kimberlite pipe, Kimberley, South Africa. South African Journal of Geology, 115(1), 1-32.