- Steven M Colman Ph.D., Paleolimnology, Paleoclimatology, Quaternary Stratigraphy, and Chronology
- Dave Darby Ph.D., Paleontology, Stratigraphy
- James A. Grant Ph.D., Metamorphic Petrology, Geochemistry, Isotope Geochemistry
- John Green Ph. D., Igneous Petrology, Volcanology, Mineralogy
- John Goodge Ph D., Tectonics, Petrology, Structural Geology, Thermochronology https://sites.google.com/d.umn.edu/john-goodge/home
- Vicki Hansen Ph.D., Tectonic Processes on Earth, Venus, and Mars
- Timothy B. Holst Ph.D., Structure Geology, Geotectonics, Geophysics, Precambrian Tectonics
- Thomas C. Johnson Ph.D., Sedimentary Processes, Paleoclimatology, Paleoceanography
- James D. Miller Jr. Ph.D., Igneous Petrology, Geochemistry, Mineral Resources
- Howard D. Mooers Ph.D. , Hydrology, Archaeological Geology
- Penelope Morton Ph. D., Economic, Geochemistry, Magmatic Ore Deposits
- Ronald Morton Ph.D., Economic, Massive Sulfides, Volcanology