The copper, which is being produced in Arizona by Rio Tinto with bacteria and acid, will be used for data-center construction ...

The stockpile is expected to yield 70,000 tonnes of copper, with sales proceeds offsetting 2026 preservation costs.

TUCSON, Arizona, December 04, 2025--(BUSINESS WIRE)--Rio Tinto has successfully produced the first copper from the Johnson Camp mine in Arizona using its Nuton ® Technology, marking a pivotal step ...

Metso has won a major order for the delivery of engineering and key process equipment for a new primary copper smelter ...

HANOI/BEIJING, March 5 (Reuters) - Fees to process copper concentrate in China, which have plummeted to their lowest level in over a decade due to short supply, could recover in the second quarter ...

TOKYO (Reuters) -Japan, Spain and South Korea issued a rare joint statement on Wednesday expressing deep concerns over tumbling copper treatment and refining charges (TC/RCs), warning both smelters ...

Image credit: University of Queensland. Copper is a hugely important metal with a whole host of critical uses. Electrical wiring, plumbing and, more recently, renewable energies all depend on large ...

Cobre Panama, one of the world's largest open-pit copper deposits, was closed in 2023 following protests from local residents ...

The United States has the resources necessary to compete with China for mastery over copper mining and refining.

If downstream players engage in targeted investment, innovation and long-term supply commitments, they can reshape the copper ...

Phoenix, Arizona--(Newsfile Corp. - December 4, 2025) - Gunnison Copper Corp. (TSX: GCU) (OTCQB: GCUMF) (FSE: 3XS0) ("Gunnison" or the "Company") announces that Rio Tinto has successfully produced the ...