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De Beers Mine, Kimberley, Francis Baard District, Northern Cape Province, South Africa

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Latitude & Longitude (WGS84): 28° 44' 20'' South , 24° 46' 30'' East
Latitude & Longitude (decimal): -28.73912,24.77506
Köppen climate type:BSh : Hot semi-arid (steppe) climate


A diamond mine in a kimberlite pipe. The mine was started in 1871 and worked from an open cast until 1908. In 1963, it was re-opened as an underground mine, which was finally closed in 1990. The mine is about 800 meters deep.


Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


14 valid minerals. 1 (TL) - type locality of valid minerals. 1 erroneous literature entry.

Regional Geology

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

Jurassic
145 - 201.3 Ma



ID: 2238599
Karoo Dolerite Suite

Age: Jurassic (145 - 201.3 Ma)

Stratigraphic Name: Karoo Dolerite Suite

Description: Network of dolerite sills, sheets and dykes, mainly intrusive into the Karoo Supergroup

Reference: Council for Geoscience. Geologic map of South Africa, 1:1M. National Science Councils of South Africa. [41]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

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- Dana 7:I:149
- 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.
- Mining Annual Review (1985):147.
Clement, C.R., Harris, K.W., Robinson, D.N. and Hawthorne, J.B., (1986). The De Beers kimberlite pipe a historic South African diamond mine. In: Anhaeusser, C.R. and Maske, S., (Eds.). Mineral Deposits of Southern Africa, Vols I & II, Geological Society of South Africa, Johannesburg, 2193-2214.
- 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.

Mineral and/or Locality  
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