Mailing address: PO Box 208109, New Haven CT 06520-8109
Street address: 210 Whitney Ave, New Haven CT 06511
Bio:
Stable isotope geochemistry, geomicrobiology, astrobiology, marine biogeochmistry, paleoclimate. Microbial cycling of P, S, Fe and related elements (C, N ) in marine sediments, deep subseafloor biosphere, Archean/early-earth and extraterrestrial systems; evolution of the phosphorus cycle and reduced-P metabolism; phosphoenzyme reaction mechanisms; O-isotope paleoproxies and studies of oxyanion (e.g., SO4, PO4, AsO4, SeO4) reactions; microbe-mineral-carbon nanotube interactions