Canadian miner First Quantum Minerals is preparing incentive proposals to advance its $5.3 billion Taca Taca copper project in northern Argentina. The plans would seek tax breaks under the country's framework for large-scale investment projects. Taca Taca is one of several major copper deposits international miners are racing to develop as global demand grows.

Canadian mining investors see growth potential in Argentina's mining sector, with a delegation set to visit Mendoza next week to explore possible projects.

Anglo-Australian miner Rio Tinto has announced a $1.9 billion investment in a bauxite project in the state of Queensland. The company is presenting the move as part of an effort to meet demand across the global aluminium supply chain.