Cooke, acquired in 2013 from Gold One International, is a large, shallow to intermediate level gold and uranium operation. Situated on the West Wits Line of the Witwatersrand Basin, near the town of Randfontein, Cooke is approximately 35km south-west of Johannesburg,
As of 31 December 2019, Cooke has surface gold mineral reserves of 102,000 oz and mineral resources of 2.35 million oz.
Underground operations at Cooke ceased in late 2017, with current production coming from surface activities alone. Surface material is processed at two gold processing plants, Cooke and Ezulwini, which also toll treat surface rock dump material from third-parties.