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 ...

(Reuters) - Ivanhoe Mines said on Wednesday its copper mining joint venture in the Democratic Republic of Congo, which started production last week, had signed a 10-year deal to process some of its ...

HONG KONG, April 23 (Reuters) - Smelters across Asia are charging the highest fees in five months to process copper concentrate, cashing in on regional oversupply after India closed its top smelter ...

TUCSON, Arizona--(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 forward in the ...

Pan Pacific Copper (PPC), Japan’s largest supplier of the refined metal, offered last month to sell it to domestic customers ...

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 ...

Rio Tinto has successfully produced the first copper from the Johnson Camp mine in Arizona using its Nuton® Technology, marking a pivotal step forward in the development of this innovative copper ...

B.C. is exploring the possibility of building a copper smelter and refinery as critical minerals increasingly become a national security issue. The federal and B.C. governments announced Wednesday ...

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

The mines minister partially and temporarily lifted the suspension on artisanal copper-cobalt processing entities in Lualaba. A compliance review found all processing entities in violation of the ...

The Democratic Republic of the Congo (DRC) announced a partial and temporary lifting of the suspension on copper and cobalt ...