Overview. South Deep Gold Mine is a world-class bulk mechanised mining operation located in the Witwatersrand Basin, near Westonaria 50km south-west of Johannesburg, South Africas commercial capital. The mine has been built to extract one of the largest known gold deposits in the world and boasts a mineral reserve of 32,8 million ounces. South Deep Gold Mine Now Opening New Shaft Inquiry Mr Mabuza 0720957137. r job seekers at our company to start immediately, this job opportunity is for unemployed people in South Africa. Note This post is ONLY allowed for South African Citizen to apply, for Curriculum Vit. SOUTH DEEP GOLD MINE.