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 ...

It is a mineral used to make types of plaster which coat our homes, schools and offices - and in Cumbria sits the world's deepest gypsum mine. Outside the small village of Long Marton, against the ...

Harmony Gold on Friday said a worker had died at its Mponeng mine, the world's deepest, after a seismic event. S.Africa's Harmony Gold reports fatality at Mponeng mine February 21, 2025 South ...

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 ...

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 ...