Although some mining had taken place in what is now South Africa centuries before Europeans arrived, 1 the modern mining industry emerged as the major shaper of South Africas economy and race relations in the latter half of the 19 th century. Important diamond deposits were discovered at Kimberley in 1869. Gold was Jan 07, 2014 Advertorial. Over the last two decades, nearly 12 per cent of all new gold discoveries have been in West Africa. While these discoveries spur investments in the region, fluctuating gold prices require that mining companies keep an eye on capital and operational expenditures.. In the remote regions of Western Ghana, a gold mining company was faced Jun 11, 2019 Mining-technology.com profiles the top ten deepest mines in the world, based on their operating depth. The list excludes currently non-operational mines such as TauTona, Savuka, and Great Noligwa gold mines. The Driefontein gold mine in the Gauteng Province of South Africa is extended to a depth of 3.4km. Source Victor Garcia on Unsplash.