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3 Proton Lithium Reports Largest US Tungsten Deposit, Multiple Critical Minerals in Nevada

3 Proton Lithium has confirmed multiple world-class critical mineral deposits in Nevada's Railroad Valley, including the discovery of the United States' largest known tungsten resource.

3 August 2026
3 Proton Lithium Reports Largest US Tungsten Deposit, Multiple Critical Minerals in Nevada
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3 Proton Lithium has released an updated resource report confirming the presence of multiple critical minerals within a single salt complex in Nevada's Railroad Valley. The report identifies significant deposits of lithium, potash, and boron.

The most significant finding is the discovery of the largest known tungsten deposit in the United States. The combined estimated gross in-ground value of these resources is approximately $3.5 trillion, with potential to supply US needs for hundreds of years.

The company has not provided specific details regarding exploitation plans or timelines for these newly identified resources. However, the discovery could substantially bolster domestic supply chains for strategically important minerals.

This finding highlights the United States' potential for domestic critical mineral production, reducing reliance on foreign sources for materials vital to national interests.

Original source: prnewswire.com