East Rand Mine


East Rand Proprietary Mines 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
The mine closed in 2008. Historical gold production between 1896 and 2008 was 43 Moz at recovered gold grade of 8.1g/t.
A world class high grade gold deposit remains with existing in situ resources 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:
YearProductionCost per ounce
200780,216 ouncesUS $641
200879,479 ouncesUS $748

History

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