Ichnology, invertebrate paleontology, sedimentology, and sequence stratigraphy of continental, transitional, and marine strata. Paleoenvironmental, paleoecologic, paleohydrologic, and paleoclimatic analysis via organism-substrate and organism-organism interactions of Phanerozoic continental deposits in the Rocky Mountains and eastern United States, Antarctica, Argentina, Australia, Canada, England, Oman, Spain, and Uruguay to improving our understanding of the evolution of organism behavior, arthropods, and terrestrial and freshwater ecosystems. Identification of discontinuity surfaces and significant stratigraphic surfaces in marine sequence stratigraphy, and the development of continental sequence stratigraphic concepts and methodology for solving geologic problems.
Two years experience as a Visiting Assistant Professor at the Department of Geography, Geology, and Anthropology, Indiana State University, Terre Haute, Indiana.
Three years experience with Exxon Production Research Company (now ExxonMobil Upstream Research Company) with the Shallow Water Siliciclastics Group, in Houston, Texas.
Five years experience with the United States Geological Survey, Branch of Paleontology and Stratigraphy, Denver Federal Center, Colorado.
Three years experience in upstate New York with several environmental companies as a field geologist (consultant) conducting site assessments, hydrogeologic well tests, and coring.
