Brazil's Vale, which needs court approval to resume production at its Brucutu mine after a deadly dam collapse, told analysts it expects to do so soon.
Discovery comes on the heels of a government's study showing the miner's Cascabel project will be one of the world’s ten largest copper, silver and gold mines.
Extracting Atacama’s lithium means pumping large amounts of water and churning up salty mud known as brine—and that’s having an irreversible impact on the local environment.
Tianqi last December bought a 23.8 percent share in SQM from Canadian fertilizer company Nutrien for $4.1B, the largest deal in history for a lithium asset.