Dr. Wayne Nesbitt
Ph.D. The Johns Hopkins University
Office: BGS 1009A
Phone: 1-519-661-2111 x.83194
Redox reactions at MnO2 surfaces and production of toxins; Surface properties of pentlandite and its flotation properties; Surface analysis of As-bearing sulphide minerals using X-ray Photoelectron Spectroscopy (XPS); Quantitative Secondary Ion Mass Spectrometry (SIMS) of minerals; Inorganic and microbial alteration of arsenopyrite and pyrite or marcasite; Karroo Gabbro weathering profile development; Processes involved in weathering of a granite under arid conditions; the Mojave Desert; The origin of chemical variations in groundwaters from a small watershed in southwestern Ontario; Surface chemical studies of Birnessite reduction: Reaction with chromium (III), selenite, oxalate and humate.
- Nesbitt, H.W., Scaini, M., Hochst, H., Bancroft, G.M., Schaufuss, A.G. and Szargan, R. 2000 Synchrotron XPS evidence for Fe2+-S and Fe3+-S surface species on pyrite fracture-surfaces, and their 3d electronic states. Amer. Mineral. v. 85, p. 850-857.
- Banerjee, D. and Nesbitt, H.W. 2000 XPS study of reductive dissolution of birnessite by H3SeO3 with constraints on reaction mechansim. Amer. Mineral. v. 85, p. 817-825.
- Pratt, A.R. and Nesbitt, H.W. 2000 Core level electron binding energies of realgar (As4S4). Amer. Mineral. v. 85, p. 619-622.
- Nesbitt, H.W., Legrand, D. and Bancroft, G.M. 2000 Interpretation of Ni2p XPS spectra of Ni conductors and Ni insulators. Phys. Chem. of Minerals, v 27, p. 357-366.
- Young, G.M., Long, D.G.F., Fedo, C.M. and Nesbit H.W. 2000 The Paleoproterozoic Huronian Basin: Product of a Wilson Cycle acompanied by glaciation and meteorite impact. Sedimentary Geology (in Press).
Ryan Sawyer - Ph.D. candidate (with Rick Secco)