Resources giant Rio Tinto has held discussions with US President Donald Trump’s administration as it seeks to push ahead with a massive copper project in Arizona which has been thwarted by ...

US Forest Service Issues Notice on Contested Land Transfer for a Major Copper Mine in Arizona The U.S. Forest Service on Thursday provided notice that it will publish a final environmental review ...

The Resolution Copper mine in Arizona.Credit: Darryl Webb “We at Rio have been trying to develop Resolution Copper, which is a very attractive, deposit in Arizona,” Rio’s head of copper, Katie Jackson ...