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 2020, Cooke had surface gold Mineral Reserves of 0.1 million ounces and Mineral Resources of 0.1 million ounces.
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 treats surface rock dump material from third-parties.