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John Hayes

John Hayes

Scientist Emeritus

Geology & Geophysics

Office Phone: +1 510 479 5220

Fax: +1 508 457 2183

» CV

Home Mailing Address:

1862 Tacoma Ave.
Berkeley, CA 94707-1936


B.S. Iowa State University, 1962, Chemistry
Ph.D. Massachusetts Institute of Technology, 1966, Analytical Chemistry

Research Interests

Factors controlling the isotope composition (13C, 14C, 2H, 15N, 34S) of organic materials in marine environments; reconstruction of ancient conditions (pCO2, trophic structure) from isotopic compositions of organic compounds in sediments; development of the global carbon cycle over geologic time; techniques of isotope analysis.