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U.S. Proposes Adding Copper and Potash to 2025 Critical Minerals List

The proposal triggers a 30-day comment window that could determine which minerals qualify for federal support.

United States Department of the Interior logo and U.S. flag are seen in this illustration taken April 23, 2025. REUTERS/Dado Ruvic/Illustration/File Photo
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Overview

  • The Interior Department and USGS published a draft list in the Federal Register proposing six additions: copper, potash, lead, rhenium, silicon and silver.
  • Public comments are invited for 30 days, after which the Interior Secretary is scheduled to issue a final list.
  • The draft recommends removing arsenic and tellurium from the current roster.
  • Officials will evaluate potential inclusion of uranium and metallurgical coal and specifically requested feedback on both.
  • Designation can unlock federal funding eligibility, streamlined permitting and import-fee advantages, and fertilizer stocks rose after the notice as the U.S. relies on Canada for most potash imports.