Wyoming's Brook Mine Sparks a New Era in U.S. Rare Earths Production

The United States has unveiled its first rare earth mining operation in over 70 years, signaling a pivotal moment for the nation’s industrial and defense sectors. Located in Wyoming, this emerging mine could redefine America’s supply chain for essential materials.

According to an independent economic feasibility report, the Brook Mine contains approximately 1.7 million tons of rare earth and critical minerals, with a large portion of the property yet to be fully explored. This discovery stands to dramatically lessen the country’s dependence on foreign sources for these strategic elements.

Unveiling the Brook Mine: A Landmark in American Mining

As noted by Popular Mechanics, in May 2023, Ramaco Resources, a modest mining firm based out of Lexington, Kentucky, stumbled upon an expansive deposit of rare earth elements embedded within the coal seams of their Wyoming asset. These elements—including gallium, scandium, and critical components such as neodymium and praseodymium—play a vital role in cutting-edge electronics, green energy technologies, and advanced military hardware.

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The Brook Mine introduces a new milestone in U.S. resource development, being the first rare earth operation to become active domestically in seven decades. Its emergence is especially significant as global supplies face tightening constraints, with China currently supplying nearly 90% of worldwide rare earth production. This mine could thus prove instrumental for America’s defense readiness and innovation sectors.

Essential Elements Powering Technology and Defense

Rare earth minerals are abundant but notoriously difficult to extract and refine. These metals are foundational to numerous modern technologies, from consumer electronics and electric vehicles to military equipment including fighter jets and nuclear submarines. Notably, permanent magnets made from these elements are critical components in the F-35 Lightning II and Virginia-class submarines.

In addition to rare earths, the Brook Mine contains other important resources such as lithium, nickel, cobalt, and graphite. These minerals are indispensable for batteries in electric vehicles and the semiconductors driving today’s computing devices.

2/ Meet the Brook Mine:

🇺🇸 First new coal mine in WY in 50 years
🇺🇸 First new rare earths mine in the U.S. in 70 yrs!
🇺🇸 First dual-use site: coal AND rare earths

The site is loaded with exactly what we’ve been importing from China. It's not the only one. pic.twitter.com/NHTugLfD9J
— Rod D. Martin (@RodDMartin) July 13, 2025

A Strategic Asset for America’s Global Competitiveness

Amid escalating trade tensions and a global scramble for rare earths, the Brook Mine offers the U.S. a critical chance to regain control over vital supply lines. In 2023, the nation sourced nearly all its 10,000 metric tons of rare earths from overseas, but once in full operation, the mine could yield up to 1,400 metric tons each year. Though only a fraction of domestic demand, this output marks a vital step toward supply independence.

This operation holds high strategic value beyond mere extraction—it strengthens the U.S. defense and technology sectors by enhancing supply chain security.

Moreover, Ramaco Resources is actively pursuing federal investment to expand the mining operation and establish a processing plant. The growth prospects for Wyoming include significant job creation and long-term economic benefits.