Chalcopyrite leaching processes are at the forefront of hydrometallurgical techniques for copper extraction. The dissolution of chalcopyrite, a primary copper–iron sulphide mineral, involves intricate ...
VANCOUVER, British Columbia--(BUSINESS WIRE)--Capstone Mining Corp. (“Capstone” or the “Company”) (TSX:CS) announces that its Pinto Valley mine has successfully demonstrated positive economics from ...
Freeport-McMoRan's Q3 2023 results demonstrate strong performance and technological leadership in copper extraction. The bull thesis for copper stocks, based on structural shortages, may be challenged ...
Ceibo wants to unlock vast new copper deposits for the energy transition—while making the mining industry more sustainable. Ceibo seeks to eliminate a major potential speed bump for the clean-energy ...
Hudbay Minerals Inc. hopes federal tax credits will pay part of a $367 million tab for a new leaching plant it plans to build at its massive, proposed Copper World mining complex in the Santa Rita ...
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Can Arizona Miners Unleash an American Copper Boom?
DRAGOON, Ariz.—In the boulder-strewn desert east of Tucson, miners are using sulfuric acid and bacteria to bring online the first new U.S. copper production in more than a decade. The metal is coming ...
Developers of the Copper World complex, where six open pits are planned south of Tucson, may soon get the state groundwater protection permit they need, but that won’t end conflict over the permit.
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