Mining News Falling head grades put pressure on gold mining industry
Mining News Pro - The consultancy explained that typically, low-grade materials require a greater amount of rock to be extracted and processed, longer processing times and higher reagents usage, which translates to higher costs per unit of gold produced.
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Mining News reports on production of manganese, gold and diamonds in Ghana
Mining News - Ghana`s gold and manganese production rose in 2017 and diamonds declined.
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