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 ...

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

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 ...

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

LONDON, Nov 15 (Reuters) - Chilean miner Antofagasta ANTO.L has offered to pay Chinese smelters less than $75 a metric ton in 2024 to turn copper concentrate into metal, 16% below contracts signed ...

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

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 ...

Amazon’s US copper deal looks big until you see how much AI data centers actually consume ...

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 ...