University of Delaware Graduate Catalog 1996-1997 College of Arts and Science Department of Geology Faculty in the Graduate Program Billy P. Glass, Ph.D. (Columbia), Professor and Chair; also Professor, College of Marine Studies: Marine geology, impact ejecta, paleomagnetism. Robert R. Jordan, Ph.D. (Bryn Mawr), Professor and State Geologist; also Professor, College of Marine Studies: Sedimentary petrology, stratigraphy, Atlantic Coastal Plain. John C. Kraft, Ph.D. (Minnesota), H. Fletcher Brown Professor of Geology; also H. Fletcher Brown Professor, College of Marine Sludies: Holocene coastal sedimentology and micropaleontology, geoarcheology, Ordovician ostracoda, petroleum geology. Peter B. Leavens, Ph.D. (Harvard), Professor and Curator of Minerals; also Professor, Art Conservation: Crystal structure analysis, systematic mineralogy, metacarbonates. Frederick M. Swain, Ph.D. (Kansas), Professor Emeritus: Micropaleontology, organic geochemistry, stratigraphic paleontology. John F. Wehmiller, Ph.D. (Columbia), Professor; also Professor, College of Marine Studies: Organic geochemistry, Quaternary geochronology, coastal plain Quaternary stratigraphy. Richard N. Benson, Ph.D. (Minnesota), Associate Professor; also Senior Scientist, Delaware Geological Survey: Stratigraphy, micropaleontology, petroleum geology. John A. Madsen, Ph.D. (Rhode Island), Associate Professor; also Associate Professor, College of Marine Studies: Marine geophysics, marine tectonics, environmental geophysics. Ronald E. Martin, Ph.D. (California, Berkeley), Associate Professor; also Associate Professor, College of Marine Studies: Taphonomy and biology of foraminifera, ecostratigraphy and paleoceanography, graphic correlation, stratigraphic (time) resolution, dynamics of nutrient cycling and food webs, evolution of biogeochemical cycles, evolution and extinction in Phanerozoic marine ecosystems. Susan McGeary, Ph.D. (Stanford), Associate Professor; also Associate Professor, College of Marine Studies: Continental lithospheric structure, seismic investigations of continental margins, environmental geophysics. James E. Pizzuto, Ph.D. (Minnesota), Associate Professor: Geomorphology, sedimentology. Allan M. Thompson, Ph.D. (Brown), Associate Professor: Petrology, structural geology, sedimentology and paleoenvironmental analysis, tectonics.