Mining crews deliver a record 409,000 tonnes of ore grading 5.71% copper in April, including 121,000 tonnes grading 8.40% copper from the centre of the Kakula Mine Pre-production ore stockpiles now hold three million tonnes grading 4.74% copper, containing more than 140,000 tonnes of copper Kamoa-Kakula's first phase, 3.8-Mtpa concentrator 98
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