Roger Thayer Stone Center For Latin American Studies

Tulane University

Stephen A. Nelson

Professors Emeritus - Earth & Environmental Science

Contact Info

Department Affiliation
Earth & Environmental Science

  • B.A., University of California-Berkeley, Geology, 1973
  • M.A., University of California-Berkeley, Geology, 1975
  • Ph.D., University of California-Berkeley, Geology, 1979
Academic Experience
  • Associate Professor, Tulane University, 1987-
  • Assistant Professor, Tulane University, 1979-1987

Research & Teaching Specializations: Mexico, Volcanology, Natural Sciences, Volcanology

Related Experience
  • Chair, Department of Geology, Tulane University, 1994-2000, 2003-
  • International Editorial Board, Revista del Instituto de Geología de la Universidad Nacional Autónoma de Mexico
  • Grant Proposal Reviewer, National Science Foundation and National Aeronautics and Space Administration
  • LAS Promotions & Tenure Committee, 1999-2000
  • University Senate Committee on Educational Policy, 1991-1994
  • Geological Society of America Penrose Research Grants, 1975, 1976, 1977
  • National Science Foundation Grant, “Pliocene to Recent Basic Magmatism in the East-Central Mexican Volcanic Belt,” 1991-1993
  • Mesoamerican Ecology Institute Grants, Tulane University, 1982-1985
  • Spanish
  • French
Overseas Experience
  • Mexico
Selected Publications
  • 2013. “The temporal evolution of Volcan Tepetiltic, Western Mexico: 40Ar/39Ar constraints on the time scale for cone construction and the hiatus before its caldera-forming eruption.” With Frey H.M., et al. Bulletin of Volcanology.
  • 2001. “When Day Turned to Night: Volcanism and the Archaeological Record from the Tuxtla Mountains, Southern Veracruz, Mexico.” With P.J. Arnold et al. In Environmental Disaster and the Archaeology of Human Response. G. Bawden and R. Reycraft, eds. Albuquerque: University of New Mexico Press.
  • 1997. “Field excursion to the Sierra Las Navajas, Hidalgo, Mexico‘€“a Pleistocene peralkaline rhyolite complex with a large debris avalanche deposit.” With A. Lighthart. In Convencion sobre la Evolucion Geologica de Mexico y Recursos Asociados: Guia de las Excursiones Geologicas, v. 2. Gomez Caballero and Alcayde Orraca, eds.
  • 1995. “Obsidian from the Ucareo and Zinapecauro Area, Michocan, Mexico.” Geological Society of American Abstracts with Programs 60. Co-author.
  • 1995. “Constraints on the Origin of Alkaline and Calc-alkaline Magmas from the Tuxtla Volcanic Field, Veracruz, Mexico.” With E. Gonzalez-Caver and T.K. Kyser. Contributions to Mineralogy and Petrology. 122:191-211.

Recently-Taught Latin American-Related Courses: EENS-2110: Minerology, EENS-2120: Petrology, EENS-3050: Natural Disasters

Number of Dissertations or Theses Supervised in the Past 5 Years: 3