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Faculty Profiles

Gail Mahood, Professor

Department of Geological & Environmental Sciences

Igneous petrogenesis, magmatic evolution of silicic magma chambers and physical evolution of related volcanic centers, volcanology, geochronology, extension-related magmatism, geoarchaeology


Wendy Mao, Assistant Professor

Department of Geological & Environmental Sciences

High-Pressure Geophysics, Geochemistry, and Petrology; Volatiles in Planetary Systems and Hydrogen Storage Applications; Experimental Mineral Physics;


Elizabeth Miller, Professor

Department of Geological & Environmental Sciences

Structural geology and tectonics. Evolution and deformation of continental crust and its sedimentary cover, plate tectonics and continental deformation, geochronology and thermochronology. Current interests in the Cordillera, northern circum-Pacific, Russia and Arctic regions.


Jonathan Payne, Associate Professor

Department of Geological & Environmental Sciences

Paleontology; Extinction and recovery; Paleoecology; Carbonate petrology and sedimentology; Stable isotope geochemistry of carbonate rocks


David D. Pollard, Barney & Estelle Morris Professor

Department of Geological & Environmental Sciences

My students and I are using quantitative geological field data obtained using modern technolgy (e.g. GPS and ALSM) and the principles of structural geology, combined with computer modeling based upon continuum and fracture mechanics, to address fundamental questions about the processes of faulting, fracturing, and rock deformation. Our research aims to understand how faults and fractures initiate and evolve in Earth's brittle crust, and how these structures affect the flow of magma, groundwater, and hydrocarbons. We are investigating the crucial role that fractures play in earthquake generation, folding of sedimentary strata, and volcanic eruption.


Jonathan F. Stebbins, Professor

Department of Geological & Environmental Sciences

Structure and dynamics of silicate and oxide minerals, glasses, and high-temperature melts and magmas; mineralogy; geochemistry; solid-state nuclear magnetic resonance (NMR) spectroscopy


Jessica M. Warren, Assistant Professor

Department of Geological & Environmental Sciences

I am interested in the ridges and subduction zones that divide our planet into tectonic plates, the outward expression of convection within the Earth's mantle. Peridotites - direct samples of the mantle - collected from these areas allow exploration of processes such as ductile deformation, mantle flow, melting and magma transport, and mantle geochemical evolution.