As shallow deposits deplete, mining operations are moving deeper underground. The world’s deepest mine, Mponeng in South Africa, reaches over four kilometers below the surface, where temperatures hit 60°C and hundreds of seismic tremors occur each year.
Modern technology enables extraction from depths that were once unthinkable. The Mponeng gold mine near Johannesburg holds an estimated 8.8 million ounces of gold and operates between 2.4 and 4 kilometers down. To make work possible, an extensive air conditioning system is essential, and the mine records more than 500 seismic events annually.
Until 2011, the TauTona mine held the depth record at 3.9 kilometers. Mining there began in 1962 at around 2 kilometers, and the descent to the working face takes miners up to an hour. Together with the Savuka mine, which reaches 3.7 kilometers, these three operations form the Western Deep Levels complex in South Africa. Savuka suffered a major earthquake in 2012 that halted production for nearly three years.
South African gold mines dominate the ranking
All three of the world’s deepest mines are gold mines in South Africa. Mponeng is currently the leader at over 4 kilometers, followed by TauTona and Savuka. The extreme conditions require constant monitoring of rock stability and ventilation. Workers face heat stress and the risk of rockbursts, making safety protocols critical.
These depths are far beyond what coal mines typically reach. While gold mining pushes the limits, coal operations stay shallower due to geology and safety constraints.
Poland’s deepest coal mines
Poland’s hardest coal mine, KWK Budryk in Ornontowice, Silesia, reaches 1,320 meters – a record for the country. Other notable Polish mines include KWK ROW Ruch Rydułtowy at 1,220 meters and KWK Zofiówka at around 1,125 meters.
In Europe and the world, the deepest coal mine is Shakhterskaya in Donbas, Ukraine, at 1,546 meters. That is still far shallower than the deepest gold mines. The contrast illustrates how different commodities require different depths and technologies.
Źródło: wnp.pl, Fot. Shutterstock
