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

A joint venture of the world's two most valuable miners has gained control of former federal land in Arizona needed to build a mine that they say could meet up to a quarter of U.S. copper demand for ...

Company said it has been conditionally approved for a C$18.95 million non-repayable contribution from Natural Resources ...

The Rincon lithium project is expected to remain operational for 40 years.

Rio Tinto said it secured a $1.175B financing package from four international lenders to support development of the Rincon ...

Rio Tinto approved the restart of Richards Bay Minerals' $473M Zulti South project in South Africa, after work was suspended ...

Rio Tinto (ASX, LSE: RIO) will slow the construction of its Nemaska lithium processing plant in Quebec due to rising costs, but sees no major changes to the timeline to production. In the coming ...

Diversified miner Rio Tinto has slowed the pace of construction at the Nemaska Lithium Bécancour lithium hydroxide conversion project in Quebec, Canada, following a review undertaken after assuming ...

Diversified miner Rio Tinto has secured a $1.175-billion financing package from four international lenders to support development of the Rincon lithium project in Argentina. The package comprises ...

March 11 (Reuters) - Australian mining major Rio Tinto said on Wednesday it had secured a $1.175 billion financing package from four international lenders to support development of its Rincon lithium ...

Rio Tinto is moving forward on a research and development project to extract primary gallium from its alumina refining process in Quebec, with a conditionally approved contribution from Natural ...