The mining veteran could face competition from internal candidates, including former head of UK gas company Centrica, Sam Laidlaw, who now sits on Rio’s board.
Pilbara Minerals has announced a potential joint venture with two South Korean companies to develop a lithium processing facility in the Asian country.
Mining giant is eying the 32% interest in SQM that PotashCorp is selling to fulfill China's regulators condition for the approval of the its friendly merger with smaller rival Agrium.
Aggregate market cap of the top 100 junior mining companies was up 7% to $12.2 billion, a level not seen since 2010, but the group significantly underperformed the Venture Exchange as a whole.