PhD., Professor of Geology


  • PhD – 1981 – University of Colorado, Boulder (Geological Sciences )
  • M.A. – 1975 – Simon Fraser University (Geography)
  • B.A. – 1971 – University of California, Berkeley (History)


  • Introductory Geology
  • Physical Geology
  • Global Climate Change
  • Fundamental Geological Methods & Rocky Mountain Evolution
  • The Rocky Mountains as a Physical System
  • Paleoclimatology: Hothouse & Icehouse Worlds
  • Surface Processes and Geomorphology
  • Glacial Geology
  • Senior Seminar: Tectonics, Climate, and Topography
  • Regional Studies in Geology

Research Interests 

Quaternary glaciation, ice dynamics, and paleoclimate, U.S. Rocky Mountains

Glacial lake sedimentation and Holocene glacial history, Canadian Rocky Mountains

Tertiary tectonics, climate, and erosion, southern Rocky Mountains

Neotectonics of coastal Chile

Rock glacier mechanics

Other Projects

Student Projects

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