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 ...

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 ...

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 ...

At a laboratory in Newark, New Jersey, a gray liquid swirls vigorously inside a reactor the size of a small watermelon. Here, scientists with the mining technology startup Still Bright are using a ...

SINGAPORE — Chartered Semiconductor Manufacturing Pte. Ltd. today announced delivery of its first 0.13-micron all-copper interconnect ICs to a silicon foundry customer, Integrated Silicon Solution Inc ...

Additional critical mineral process improvements for the Alberta Hydrometallurgical Facility The NICO Project consists of a planned mine and concentrator in the Northwest Territories (“NWT”) and a ...

Copper smelting is an intricate high‐temperature process that converts copper concentrates into purer metallic copper through a series of chemical and thermal reactions. Central to modern smelting ...

China remains the dominant refined mineral supplier, both in terms of country of origin and overseas Chinese corporate-owned ...

The Indonesian Government has announced plans to issue a six-month permit to PT Freeport Indonesia for exporting 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 ...