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Contact: Lee Tune
ltune@umd.edu
301-405-4679
University of Maryland

UMd. Associate Professors James Farquhar and Alan Jay Kaufman

Caption: Associate Professors James Farquhar (left) and Alan Jay Kaufman (right) in a University of Maryland geochemistry lab with a 2.5 billion-year-old rock sample Kaufman collected from Western Australia.

Credit: Photo by John T. Consoli

Usage Restrictions: Photo must be credited to John T. Consoli

Related news release: Environmental changes preceded first great rise in atmospheric oxygen


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