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Pennsylvania geoscientist warns on supply-chain dependence, stresses responsible extraction and remediation
Summary
Dr. Blackmer said the U.S. imports many critical minerals, that federal funds support exploration, and that geoscientists play a role in reducing environmental impacts from extraction and waste disposal.
Dr. Blackmer, a geoscientist at the Pennsylvania Geological Survey, told an audience that many minerals critical for electronics and batteries are imported to the United States and that the federal government is funding efforts to find domestic sources.
Why it matters: Critical minerals underpin technology and energy transitions. Blackmer said domestic exploration can reduce supply-chain disruptions but must be balanced with environmental protections and community concerns.
Blackmer said critical-mineral work at state surveys typically begins with field sampling and geochemical analyses; those results are shared with…
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