Johannesburg was discovered in 1886, following the discovery of the main Witwatersrand gold reef, which today houses the world's deepest mine. The Witwatersrand, known locally as the Rand and ...

In early 2023, the mine signed a deal to use only clean electricity, generated entirely by wind and nuclear power.

Mponeng in South Africa is the world's deepest gold mine. The Kola Superdeep Borehole is only 9 inches wide. Russian scientists have been drilling it since 1970. It's now deeper than the deepest ...

The second stage was commissioned in January 2017 and bauxite mining started. The shaft depth is 1.5 km. The shaft is the deepest in Russia and is among top five deepest mines across the globe.

Mponeng in South Africa is the world's deepest gold mine. The Kola Superdeep Borehole is only 9 inches wide. Russian scientists have been drilling it since 1970. It's now deeper than the deepest ...