Rio eyes going underground at copper mine
Rio Tinto has increased the resource estimate for its Bingham Canyon copper mine in the United States, saying the currently open pit operation has significant underground potential. The copper mineral resource at the wholly Rio Tinto-owned mine has been
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Zimbabwe bars foreign operators from small-scale gold mining
Small-scale miners produce 65% of the country’s gold.
May 22, 2026 | 07:29 am
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