Latest estimates indicate that South Africa still has 400-million tonnes of gold in the ground that are amenable to profitable extraction using mechanised techniques. In addition, there are 160-million tonnes of high-grade ore locked in underground support pillars, accessible from current infrastructure, Chamber of Mines VP Neal Froneman outlined at a media conference at the Investing in African Mining Indaba.
Source: www.engineeringnews.co.za
New mining method needed to boost mine life – Froneman
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