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A vast, ancient crater in the western United States may be home to one of the most significant mineral discoveries of the century. Published in the journal Science Advances, researchers have identified a geological formation beneath this site that could dramatically reshape the global landscape for clean energy technology. A Supervolcano’s Legacy Becomes a Resource Powerhouse The McDermitt Caldera, measuring 45 by 35 kilometers, was formed 16.4 million years ago following a catastrophic volcanic eruption. Over time, a lake developed inside the caldera, collecting thick layers of volcanic ash and mineral-rich sediments. These conditions gave rise to lithium-bearing clay minerals,...

A lithium deposit discovered in a volcanic crater along the Nevada-Oregon border may hold up to 40 million metric tons of the rare metal — possibly the largest ever in the world, which could have a massive impact on the electric vehicle industry, according to a new study. The deposit hidden within the McDermitt Caldera is estimated to hold between 20 million and 40 million metric tons, which would be nearly double the current record of about 23 million metric tons found over the summer beneath a Bolivian salt flat, researchers reported in Science Advances. It would also greatly boost...