Rio Tinto to proceed with Antipa’s Citadel farm-in

Mining giant Rio Tinto, through its Rio Tinto Exploration subsidiary, has elected to proceed to the second stage of a farm-in agreement for ASX-listed Antipa’s Citadel project, in Western Australia. The second stage of the farm-in will see the miner invest $8-million of exploration expenditure in the next three years, to earn a 51% joint venture interest in the project.