An independent assessment of an abandoned copper mine formerly owned by Rio Tinto on the South Pacific island of Bougainville found risks from unstable buildings, a potential for landslides, and ...

and it has been stuck at a closed copper mine in Panama since the end of last year. “The chemical reactions that generate dangerous gases, and a rise in the material’s temperatures ...

The miners are said to have been on night shift when they got trapped ... They were among staff working at the Chinese-owned Macrolink copper mine in Ndola city, near the border with the ...