The main focus of my research in the development and application of heavy stable isotopes, like molybdenum (Mo) and iron (Fe) in conjunction with other elements and elemental ratios towards a better understanding of ancient ocean redox conditions.

RECENT POSITIONS

EDUCATION

  UNIVERSITY OF ROCHESTER, Rochester, New York.
  Ph.D. Geological Sciences, May 2004.

PUBLICATIONS        

Arnold, G.L., Anbar, A.D., Barling, J., Lyons, T.W. (2004) Molybdenum isotope evidence for widespread anoxia in mid-Proterozoic oceans.  Science: 304: 87-90.

Arnold, G.L., Anbar, A.D., Weyer, S. (2004) Fe isotope variations in natural materials measured using high mass resolution MC-ICP-MS. Analytical Chemistry: 76: 322-327.

Barling, J., Arnold, G.L., Anbar, A.D. (2001) Natural mass-dependent variations in the isotopic composition of molybdenum. Earth and Planetary Science Letters: 193: 447-457.

Anbar, A.D., Zahnle, K.J., Arnold, G.L., Mojzsis, S.J., (2001) Extraterrestrial iridium, sediment accumulation and the habitability of the early Earth’s surface. Journal of Geophysical Research: 106: 3219-3236.

Chiarenzelli, J., Scrudato, R., Arnold, G., Wunderlich, M., Raffery, D. (1996) Volitilization of polychlorinated biphenyls from sediment during drying at ambient conditions: Chemosphere: 33: 899-911.

Chiarenzelli, J., Scrudato, R., Arnold, G., Oenga, G. (1995) Characterization of sediment and implications for remedial activities in the St. Lawrence river ecosystem: Proceedings of Sharing Knowledge, Linking Science: An International Conference on the St. Lawrence River Ecosystem, Cornwall, Ontario, Canada.

HONORS AND AWARDS