Under the proposed terms, Rio Tinto will acquire a 51% stake in the project, with ENAMI retaining the remaining 49%.

Global miner Rio Tinto will tackle one of the biggest technological challenges in the lithium industry as it takes the lead in Chile's first major projects involving the battery metal in years, alongside state-run mining companies Codelco and ENAMI.

Australian mining group Rio Tinto has announced a partnership with the Chilean state-owned mining company Codelco. The pair have signed binding