Gunnison Copper completes inaugural Johnson Camp sales

Gunnison Copper announced the first sales of pure copper cathode from its fully operational Johnson Camp mine in southeast Arizona, with production capacity of up to 25 million pounds annually. On September 15, Gunnison completed its inaugural copper sales, marking the start of revenue generation following the successful commissioning of the mine. Gunnison sold a total of 225,371 lb. of…

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Miners turn to unique leaching processes for copper extraction

Bacteria and newly developed chemicals provide an alternative to conventional leaching. Edited by Josephine Patterson Due to copper prices nearly doubling in the past two years, miners like Rio Tinto and Freeport-McMoRan have begun to use new leaching technologies to extract low concentrations of the in-demand product from waste rock, reported Reuters.  Miners aim to use bacteria or other newly…

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