Research Associates

Sarah Lambart
Research Associate
Ph.D., Blaise Pascal University, Clermont-Ferrand, France (2010)

Research Groups: PetrologyGeochemistryExperimental petrologist. Primary research is focused on the understanding of mantle melting and basalt genesis processes. This part of her research is articulated on the role of mantle heterogeneities and magma-rock interactions in the genesis of basalt. She discusses this topic via an experimental approach coupled to thermodynamical modeling. She also works on fluid-rock interactions to constrain the conditions for which reactive-cracking can occur. Reaction-driven cracking could be important in geological capture and storage of CO2 as it is essential for in situ mineral carbonation methods to maintain or enhance permeability and reactive surface area.

Ian MacGregor
Research Associate
Ph.D., Princeton University (1964)
idmacgregor@ucdavis.edu

Research Groups: Geochemistry, Petrology. Now retired having worked as Professor in Geology Department, UC Davis and Division Director, Earth Sciences, National Science Foundation. Research interests focus on understanding mineralogy, petrology and geochemistry of upper mantle using field and experimental approaches. Recent research includes development of geothermometers and geobarometers for mantle samples in the spinel peridotite stability field. Currently working in science education as science consultant to National Science Resources Center, Smithsonian Institution on development of K -12 science curricula.

Roy J. Shlemon
Research Associate; Senior Fellow of Mathematical and Physical Sciences
Ph.D., University of California, Berkeley (1967)
rjshlemon@ucdavis.edu 

Applications of Quaternary geology, geomorphology and soil stratigraphy to engineering practice. Fault-activity assessments (paleoseismicity/neotectonics); natural and anthropic influences on slope stability; paleochannels and contaminant pathways. Also involved in forensic geology as a Consultant, Expert Witness, Neutral Referee and Mediator. Provide and interpret geoscience information for government agencies, attorneys, private engineering and environmental firms, land conservation and development organizations. GEL 136: Ecogeomorphology of Rivers and Streams

Robert A. Wiebe
Research Associate
Ph.D. Stanford University (1966)
bob.wiebe@fandm.edu 

Igneous petrology. Research focuses on the growth of granitic, mafic and composite intrusive bodies with an emphasis on understanding the plutonic record of magma chamber processes including interactions between coexisting mafic and granitic magmas. Recent projects include studies in coastal Maine, the Sierra Nevada, and the Lachlan Fold Belt in Australia.