Mining giants - the top ten richest mining companies - Mining .Mar 27, 2014 . The company holds 30% interest in Chile's biggest copper mine . Mining operations in South Africa followed by Chile generated the biggest.top mining companies in south africa,The value of South Africa's top miners more than halved in just a .Oct 14, 2015 . The combined worth of South Africa's 35 top mining companies dropped 55% since June 2014, the latest report by consultancy PwC shows.
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