Dr. Gary Michelfelder


Schl of Earth Enviro and Sustain

Role: Faculty
Campus: Springfield

Postal mail

Missouri State University
Schl of Earth Enviro and Sustain
901 S. National Ave.
Springfield, MO 65897



  • PhD, Earth Science, 2015, Montana State University
  • MS, Geology (Igneous Petrology), 2009, New Mexico State University
  • BS, Geology, 2007, Eastern Michigan University
  • Commissioned Officer (Engineer), U.S Army and Army National Guard (2000-2021)
  • Environmental Geologist (2006-2008)


  • GLG 332 Mineralogy with Lab

  • GLG 333 Igneous and Metamorphic Petrology with lab
  • GLG 355 Volcanology
  • GLG 360 Directed Field Trips
  • GLG 597 Field Volcanology of the Central Andes, Chile
  • GLG 715 Isotope Geochemistry
  • GEO 700 Intro to Graduate Study
  • Graduate Student Thesis Mentoring

Research and professional interests

  • Igneous trace element and isotope geochemistry
  • Volcanology
  • Mineral chemistry
  • Tracking magma storage and accumulation in the Central Andes (2020-2024)
  • Geologic and magmatic evolution of the Mogollon Datil Volcanic Field, New Mexico (ongoing)
  • Magma source and timescales of monogenetic volcanic systems in the Pribilof Islands, Alaska
  • Tectono-magmatic evolution of the Mesoproterozoic St. Francois terrane, SE Missouri

Selected Publications

  • Aguilera, F.; Grosse, P.; Guzman, S.; Michelfelder, G.S.; and Taussi, M., 2023, Editorial: Volcanism in the Central Volcanic Zone of the Andes: Frontiers in Earth Science, v. 11, paper 1130976. doi: 10.3389/feart.2023.1130976
  • Michelfelder, G.S., 2021, Petrology and volcanology of the Mesoproterozoic igneous rocks of the Saint Francois Mountains Terrane, southeast Missouri, USA, in Florsheim, J., Koeberl, C., McKay, M.P., and Riggs, N., eds., Field Excursions from the 2021 GSA Section Meetings: Geological Society of America Field Guide 61, p. 253–289, https://doi.org/10.1130/2021.0061(11).
  • Michelfelder, G.S., Horkley, L.K., Reinier, C.* and Hudson, S.R*, 2021, Variation in Olivine Trace Element Contents Reveal the Signature of Deep Mantle Melting During the Eruption of the McCartys Flow, Zuni-Bandera Volcanic Field, New Mexico, in: Frey, B.A.; Kelley, S.A.; Zeigler, K.E.; McLemore, V.T.; Goff, F.; Ulmer-Scholle, D.S., eds., New Mexico Geological Society 72nd Annual Fall Field Conference Guidebook: Geology of the Mount Taylor area,, p. 141-152. https://doi.org/10.56577/FFC-71.141
  • Rentz, S.P., Michelfelder, G., Coble, M.A., and Salings, E., 2019, U-Pb zircon geochronology of calc-alkaline ash flow tuff units in the Mogollon Datil Volcanic Field, southern New Mexico: Geological Society of America Special Paper 528, p. 409–434. doi.org/10.1130/2018.2538(19)
  • Hoffman, M.* and Michelfelder, G.S., 2018, Andesite hybridization of the Mogollon Datil volcanic Field: Insights from oxygen isotope values from the Uvas Volcanic Field and the Rubio Peak Formation: New Mexico Geological Society Guidebook: Las Cruces Country III, vol. 69, Mack, G.H.; Hampton, B.A.; Ramos, F.C.; Witcher, J.C.; and Ulmer-Scholle, D.S. (eds.), p 189-196. https://doi.org/10.56577/FFC-69.189

Awards and honors

  • Faculty Excellence in Research Award, College of Natural and Applied Sciences, Missouri State University, April 2016
  • Faculty Excellence in Research Award, College of Natural and Applied Sciences, Missouri State University, April 2021

Professional organizations

  • International Association of Volcanology and Chemistry of the Earth's Interior
  • American Geophysical Union
  • Geological Society of America
  • Mineralogical Society of America
  • New Mexico Geological Society
  • International Association of GeoAnalysts, National Association of Geoscience Teachers, Society of Economic Geologists, and Tobacco Root Geological Society

Additional resources