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  • Last updated

    3:44pm on Oct 17, 2019

Kloof is a large, shallow to ultra-deep level gold mining and processing operation located in the Far West Rand Goldfields of the Witwatersrand Basin, near the town of Westonaria in the Gauteng Province of South Africa, 70 km west of Johannesburg.

As of 31 December 2018, Kloof has total surface and underground gold mineral reserves of 5.58 million oz and mineral resources of 24.89 million oz.      

At Kloof, we’re focused on optimizing the mineral resource, stabilising production profiles at current performance levels, reducing pay limits through quality mining and cost reduction, targeting secondary reefs on an incremental basis above existing infrastructure and the mining of low-grade surface reserves to fill excess metallurgical capacity.

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    Kloof was one of the assets acquired by Sibanye when Goldfields International completed its February 2013 unbundling transaction. Mining operations have been carried out in the West Rand since the late 19th century and at Kloof in its current form since 2000 when a number of existing mining operations were amalgamated.

    Gold and uranium mineralization is contained in paleo-placer conglomerates, locally termed reefs. The principal mining activity takes place on the Ventersdorp Contact reef with additional reefs mined include the Middlevlei, Kloof and Libanon Reefs. The orebody is accessed from surface via vertical shafts, with the deepest operating level some 3,347 m below surface. Mining is focused on open ground and pillars using scattered conventional breast, mini-longwall stoping. Mining operations also take place on surface rock dumps.

    The current mine infrastructure consists of five producing shaft complexes, including five sub-shafts, one tertiary shaft and one single lift shaft, and two gold processing plants – No. 1 carbon-in-pulp, processing primarily surface rock dump material, and No. 2 carbon-in-pulp, processing primarily underground ore.  

    Ore is processed at Kloof at a rate of approximately 167 kt per month. Tailings are contained in two tailings storage facilities with a combined capacity of 42.7 m tonnes (a surplus of 6.5 m tonnes over life-of-mine deposition requirements).

    Kloof has a converted mining right issued under the Mineral and Petroleum Resources Development Act valid until 29 January 2027 in respect of a total mining area of 20,087 hectares.

Reference

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SA gold operations

SA Gold operations

Our gold operations consist of underground mining and surface treatment facilities in the Witwatersrand Basin.

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Community

Our community initiatives seek to create enduring value for our host communities beyond the operating lives of our mines.

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Economic impact

We are focused on creating value for all of our stakeholders including driving economic growth wherever we operate.

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