A $1.5 Trillion Lithium Discovery Beneath a U.S. Supervolcano Could Reshape Global Energy Markets

In a discovery that could rewrite the global lithium supply map, scientists have uncovered what may be one of the largest known lithium deposits on Earth—hidden beneath an ancient supervolcano in the western United States. Estimated to be worth $1.5 trillion, the massive deposit lies within the McDermitt Caldera, a geologic formation straddling the Oregon–Nevada border.

Nicknamed “volcanic white gold,” this lithium reserve has the potential to supercharge America’s electric vehicle (EV) industry, bolster national security, and significantly reduce the country’s reliance on foreign supply chains.

Why This Matters

Lithium is the critical ingredient in lithium-ion batteries, which power everything from smartphones to electric cars and large-scale energy storage systems. As global demand for clean energy and EVs surges, countries around the world are racing to secure reliable and sustainable lithium supplies.

Until now, the U.S. has relied heavily on international sources, particularly from countries like China, Chile, and Australia. This new domestic discovery could shift that balance.

The McDermitt Caldera: An Overlooked Treasure

The McDermitt Caldera was formed about 16 million years ago by a massive volcanic eruption. While it has long been known to contain minerals, its true lithium potential was only recently realized through advanced geological studies and sampling. The unique volcanic-clay composition in the area appears to hold exceptionally high concentrations of lithium—possibly more than any other known deposit globally.

A Strategic Game-Changer

This discovery could place the United States at the forefront of the global lithium market. The implications are profound:

Electric Vehicles (EVs): A domestic lithium supply could accelerate EV production, reduce costs, and make electric cars more accessible to American consumers.

Energy Security: Reducing dependency on foreign lithium sources bolsters U.S. energy independence and national security.

Economic Impact: Developing the site could create thousands of jobs and stimulate economic growth in Nevada and beyond.

What’s Next?

While the discovery is still in its early stages, mining companies and government agencies are expected to take swift action. Environmental assessments, permitting, and infrastructure planning will be key steps before full-scale extraction can begin.

If managed responsibly, this lithium find could mark a pivotal moment in the U.S. transition to clean energy—and ensure that the nation plays a leading role in the future of global battery production.