Professional Lectures and Public Presentations

INVITED SPEAKING ENGAGEMENTS

2004:   --Reconstruction of the San Gabriel Mountains block, with implications for Middle Miocene to recent fault activity in the northern Los Angeles basin:  presentation to United States Geological Survey Earthquake Hazards research group, Menlo Park, CA, September 1.

--Geology of the eastern San Gabriel Mountains  Field Trip for for Mt. Baldy Environmental Education Center, attended by community residents and US Forest Service personnel, July 17

2002:  Structural and tectonic controls on gold mineralization in northern Sonora, Mexico: Presentation to Society of Mining Engineers, southern California chapter, June 18.

            The San Gabriel Mountains: A passive but conspicuous player in the evolution of the Los Angeles basin and southern San Andreas fault system: Presentation to the Branner  Club, Caltech Athanaeum, February 5.

1999:  Hydrology of San Antonio Canyon:  Presentation to the Angeles National Forest Volunteer Association, August 6.

          Late Jurassic Tectonics of northwestern Sonora, presented to the Hewett Club, University of California, Riverside, May 25.

1997:  Late Jurassic-Early Cretaceous transition from arc magmatism to sinistral transtension in northern Sonora, Mexico, presented to San Diego State University Geology Club

1996:  Hydrogeology and water resources of the Mount Baldy area, eastern San Gabriel Mountains,  lectures presented to the general public at the Claremont Botanical Gardens and to Mt. Baldy residents at Chapman ranch

1995:  Late Jurassic structural control for the positioning of Tertiary metamorphic core complexes in Sonora, Mexico, presented at CICESE, Ensenada, Baja California norte, Mexico

            Pre-Miocene reconstructionof the Vincent thrust in the eastern San Gabriel Mountains, California, Presented to the Hewett Club at University of California, Riverside

1994:  Reconstruction of a Miocene magmatic center in the eastern San Gabriel Mountains and northeastern San Gabriel Valley, presented at workshop on extensional tectonics in the Los Angeles basin, and coastal southern California, Chevron Research Center, La Habra, also presented separately to Cal Poly Pomona and Cal State Fullerton Geology Clubs

1993:  Jurassic-Cretaceous paleogeography of the Magdalena region, Sonora, Mexico, presented in Spanish at III Symposium on the Geology and Mineral Deposits of Sonora, Hermosillo, Sonora, Mexico

1992:  Late Cenozoic transpression in the eastern San Gabriel Mountains, two talks presented to the Inland Geological Society and the Los Angeles Structural Geologists seminar series

1991:  Reconstruction of the San Gabriel Fault, eastern San Gabriel Mountains, presented to Caltech Geology Club