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East Rand Proprietary Mine (ERPM Mine), Boksburg, Ekurhuleni District (East Rand), Witwatersrand field, Gauteng Province, South Africa

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Latitude & Longitude (WGS84): 26° 14' 50'' South , 28° 13' 38'' East
Latitude & Longitude (decimal): -26.24722,28.22722
Area:53 km2
Köppen climate type:Cwb : Subtropical highland climate or temperate oceanic climate with dry winters
Other regions containing this locality:Transvaal, South Africa


A gold mine, started in 1893.
Typical Witwatersrand gold mineralisation.

During its history one of the largest gold mines in the world, at one point also the deepest.
In 1993, mining was at a level of 3.430 m below surface.

Mineral List


8 valid minerals.

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

Neoarchean - Mesoarchean
2500 - 3200 Ma



ID: 2230999
Turffontein Subgroup of Central Rand Group of Witwatersrand Supergroup

Age: Archean (2500 - 3200 Ma)

Stratigraphic Name: Turffontein Subgroup

Description: Quartzite, conglomerate

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

Metal Mining Mining Geol.(1937), A.I.M.E.: 320.

Journal of the South African Institute of Mining and Metallurgy (1973): 185, 187.

Daul, J., Bauer, K. & Moser, P. (1993): Bergbau in Namiba - Erfahrungen einer Studienreise. Institut für Bergbaukunde, Bergtechnik und Bergwirtschaft, Wissenschaftliche Schriftenreihe No. 3, Leoben, Austria, 130 pp (in German).

Jeffery, D. G. (2015). Structural discontinuties in the Witwatersrand group on the ERPM mine their geology, geochemistry and rock mechanics behaviour (Doctoral dissertation University of Witwatersrand).


Mineral and/or Locality  
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