SMRTR Science & EngineeringDec 2, 2025TechSpot

A supervolcano caldera in the US could host the world's largest lithium deposit to date

SMRTR summary

The McDermitt Caldera, an extinct supervolcano on the Nevada-Oregon border, potentially contains 20-40 million metric tons of lithium worth approximately $1.5 trillion, making it the world's largest known lithium deposit. However, extracting the metal from claystone beneath the surface requires complex, energy-intensive processes that face opposition from local tribes and ranching communities.

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