8898 Speaker: Dr. John Valley (Professor, University of Wisconsin-Madison)

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Fri, September 18, 2026
1:45 pm - 3:00 pm
291 Mendenhall Lab

  • Host: David Cole

  • Bio: Dr. Valley is the Charles R. Van Hise Distinguished Professor of Geology and a member of the National Academy of Sciences. A renowned geochemist, his research utilizes stable isotope geochemistry to investigate the evolution of the Earth's crust, early Earth history, paleoclimatology, and astrobiology.