East Rand Mine
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East Rand Mine
East Rand Proprietary Mine Ltd.
Location
East Rand Gold Mine is located in South Africa
East Rand Gold Mine
East Rand Gold Mine
Location in South Africa
LocationBoksburg
ProvinceGauteng
CountrySouth Africa
Coordinates26°06?S 28°19?E / 26.10°S 28.32°E / -26.10; 28.32Coordinates: 26°06?S 28°19?E / 26.10°S 28.32°E / -26.10; 28.32
Production
Production79,479
Financial year2007-08
History
Opened1893
Active120
Closed2008
Owner
Company[OroTree Limited]
Website[1]
Year of acquisition2019

East Rand Proprietary Mines (ERPM) is a 125-year-old underground gold mining operation on the Witwatersrand Basin at Boksburg, to the east of Johannesburg. The mine employed 3,850 people. It was the deepest mine in the world until 2008 at 3,585 metres depth, slightly more than the TauTona mine, also in South Africa, which was 3,581 metres at the time (in 2008 the TauTona mine completed a digging project that extended the depth of the mine by several hundred metres.)[1]

The mine closed in 2008. Historical gold production between 1896 and 2008 was 43 Moz at recovered gold grade of 8.1g/t (95% plant recovery).

A world class high grade gold deposit remains with existing in situ resources (SAMREC compliant) of 63 Moz, including; - Measured & Indicated resource of 13.6 Moz at 6.7g/t Au - Inferred resources of 50 Moz at 4.92 g/t Au.

The Cason mine dump was the world highest man made mountain. This dump is currently recycled. It is a shadow of itself and will probably disappear in the near future.

Production

Recent production figures:[2]

Year Production Cost per ounce
2007 80,216 ounces US $641
2008 79,479 ounces US $748

History

Share of the East Rand Proprietary Mines Ltd, issued 19. October 1928

The ERPM engineering many mining techniques which are still in place today including, Long Wall Mining. The mine also built the world's largest ice factory which produced up to 8,000t of ice daily to cool wall rock temperatures (50-60 deg Celsius).

The Mine was acquired by Private Malaysian mining company OroTree Limited on 26 February 2019.

References

  1. ^ "TauTona, Anglo Gold - Mining Technology". SPG Media Group PLC. 2009-01-01. Retrieved .
  2. ^ ERPM Archived 2009-10-11 at the Wayback Machine DRD Gold website, accessed: 29 September 2009
  • Tucker, Rodney & Viljoen, Richard & J. Viljoen, Morris. (2016). A Review of the Witwatersrand Basin - The World's Greatest Goldfield. Episodes. 39. 105. 10.18814/epiiugs/2016/v39i2/95771.

External links



  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

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