Rio Tinto and Codelco formed a joint venture to develop a high-grade lithium project in Chile. Read why this partnership is bullish for lithium and investors in the LIT ETF.

Chile's Codelco will partner with global mining giant Rio Tinto for its new Maricunga lithium project, the state miner said on Monday, bringing a major new player into the sector in the world's second-largest producer of the EV battery metal.

Rio Tinto has signed binding agreements with Chilean state-owned copper mining company Codelco to establish a joint venture (JV) to develop the Salar de Maricunga lithium project in Chile by investing up to $900m (£672.