Citing supply chain risks, USGS proposes additions to critical minerals list

The United States Geological Survey has unveiled a draft update to its critical minerals list, adding potash, silicon, copper and other key resources with supply chains the agency says are susceptible to trade disruption. USGS 2025 draft list of critical minerals, issued in an Aug. 26 Federal Register notice includes a total of 54 minerals, up from 50 on the existing list, last updated in 2022. It adds potash, silicon, copper, silver, rhenium and lead while dropping arsenic and tellurium...