The McDermitt Caldera, a former super-volcano between Nevada and Oregon, may play home to 120 million tonnes of lithium The discovery of what could be the world’s largest deposit of lithium, in an ancient super-volcano in the U. General Motors announced in January 2023 that it’d invested US$650 million in Lithium Americas in exchange for “exclusive access to the first phase of lithium production and the right of first offer on the second phase of lithium production that will come out of the Thacker Pass mine in Nevada,” reports CNBC. By continuing to use our site, you agree to our Terms of Service and Privacy Policy