Kusasalethu is located about 90 kilometres from Johannesburg, near the provincial border of Gauteng and North West Province. Kusasalethu is situated in the West Witwatersrand Basin and mines the Ventersdorp Contact Reef as its main ore body. The mine comprises twin vertical and twin sub-vertical shaft systems and uses conventional mining methods in a sequential grid layout. Mining is conducted at a depth of 3 388 metres, making it Harmony’s deepest mine. Ore mined is treated at the Kusasalethu plant.

For more information, see the relevant section of the Mineral Resources and Mineral Reserves 2017.