By Ernest Scheyder HOUSTON, March 24 (Reuters) - Rio Tinto aims to open Arizona's Resolution Copper mine by the mid-2030s but ...

The transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest ...

Resolution Copper is set to start exploratory drilling at Oak Flat after a long-sought land swap is completed.

Depending on a final appeal to the Supreme Court, the U.S. Forest Service may soon finally move forward with the construction ...

WASHINGTON – The U.S. Forest Service transferred Arizona’s Oak Flat to Resolution Copper, advancing a massive mining project ...

The Resolution project is set to produce more than 18mt of copper throughout its lifespan.

The move facilitates the next stage of work and development planning for the Resolution Copper project.

Rio Tinto and BHP’s legal win was a milestone in their bid to establish a copper mine in Arizona that has been caught in ...

A federal land transfer giving Resolution Copper nearly 2,500 acres in eastern Arizona, including a sacred site for the Western Apache and other Indigenous people, is officially complete.

By Ernest Scheyder March 16 (Reuters) - Rio Tinto said on Monday it has gained control of acreage in Arizona needed to build ...

A federal appeals court has cleared the way for the Trump administration to transfer Oak Flat to a private copper mining ...