States Target Mine Waste for Critical Mineral Recovery

USGS invests $3M to help 13 states assess old mine sites for resources

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A new federal initiative is setting the stage for legacy mine waste to become a viable domestic source of critical minerals. Backed by nearly $3 million in cooperative agreements from the U.S. Geological Survey (USGS), 13 states are now working to inventory and assess mine waste for economically recoverable materials essential to modern industries.

The effort supports a dual mission: reduce long-term environmental liabilities at old mine sites while strengthening the U.S. supply of minerals deemed vital for national security, clean energy, and technology manufacturing. Instead of treating these sites solely as remediation projects, the program repositions them as potential sources of economic value.

Participating states, from Arizona to Virginia, are receiving funding for two key activities. Some are focused on cataloging abandoned and active mine waste locations to feed into a national geospatial database. Others, like Kentucky and Virginia, are conducting field sampling and mineral characterization to evaluate extraction potential.

Funding levels vary by state, with Montana, Nevada, and Oregon receiving close to $350,000 each—highlighting both the scale of mine waste in these regions and the potential for resource recovery. Many of these sites contain materials discarded decades ago, which have since gained strategic importance due to global demand shifts.

A National Strategy for Critical Mineral Independence

The initiative aligns with federal policy priorities under Executive Order 14241 and Secretary's Order 3436, both aimed at reducing the United States’ reliance on foreign mineral supply chains. Germanium, for instance—once overlooked in historical lead and zinc mining—has become critical to semiconductor, sensor, and fiber optic technologies. With China currently dominating production and tightening export controls, the stakes have only grown.

Through the USGS’s Earth Mapping Resources Initiative (Earth MRI), these new cooperative agreements build on existing efforts to modernize the U.S. mineral resource base. Earth MRI has already updated geological data across 41% of targeted areas since 2019, using lidar, geophysics, and hyperspectral imaging to identify potential reserves.

State geological surveys, with their on-the-ground regulatory knowledge, partner with the USGS’s national coordination and technical capacity to generate data that’s useful to both industry and policymakers. The end goal is to accelerate project timelines, lower exploration costs, and improve the predictability of resource development.

For companies involved in resource extraction, environmental services, or mineral processing, this creates new avenues for investment—especially where regulatory clarity and long-term policy backing are essential. It also signals a potential shift in mineral market dynamics, as more domestic sources come online and reduce dependency on imports from high-risk suppliers.

Environment + Energy Leader