Rio Tinto Kennecott, the world's largest open-pit mine, is now open for visits for the 2025 season. Operating since 1903, ...

Rio Tinto will trial battery swap technology for electric haul trucks at the Oyu Tolgoi copper mine in Mongolia by partnering with China's State Power Investment Corporation (SPIC). The two-year ...

The mine is expected to become the fourth-largest copper mine in the world by 2030, according to the company. Last year, Rio Tinto completed its long drawn-out acquisition of the remaining 49% ...

LONDON, Jan 26 (Reuters) - Mongolia has asked Rio Tinto RIO.LRIO.AX ... from the underground mine by mid-2023 as scheduled. The facility, Rio's biggest copper growth project, began open-pit ...

BINGHAM CANYON — Nine months after announcing a return to underground copper mining operations ... two priorities Rio Tinto has as the second-largest copper producer in the United States.

[Subscribe to our newsletter here] Utah’s Kennecott mine ... copper, the underground ore is expected to be 2% or higher. Rio Tinto also is spending another $300 million for what it calls the ...

SANTIAGO (Reuters) -Chilean copper producer Codelco and global miner Rio Tinto will jointly aim to create a copper "mining district ... Codelco, the world's biggest copper producer, noted that ...

Rio Tinto moved underground at Oyu Tolgoi, one of the world's largest copper-gold deposits ... which is in contact with the mine workers. "A request to start negotiations was sent and OT is ...