Potentially the world's largest lithium deposit has been found in a US volcano
>What just happened? What is likely to be the world's largest deposit of lithium has been discovered in a volcano crater along the Nevada-Oregon border. It's estimated that the McDermitt Caldera holds between 20 million and 40 million metric tons, which would be larger than the current 21-million-ton record-holding deposit beneath the salt flats of Bolivia
https://www.techspot.com/news/100117-potentially-world-largest-lithium-deposit-has-found-us.html