In the beginning of week RIO Tinto selected by state-run copper miner Codelco to partner on the Maricunga lithium project.
Rio Tinto wins second major Chile lithium project at Altoandinos - tt would initially contribute $425-million to the project to fund.
Two deals in one week.
"Rio Tinto ... will continue to evaluate Tier 1 opportunities globally as it gains momentum in business a world-class lithium business," it said in a statement.
