Department of Geological Sciences
San Diego State University
5500 Campanile Dr.
San Diego, CA 92182-1020
Phone: 619.594.5586 Fax: 619.594.4372
Research Interests:
K-Ar isotope geology
Selected Publications:
Geology and paleontology of southwestern Isla Tiburon, Sonora, Mexico, Gastil, R. Gordon; Neuhaus, Jay; Cassidy, Michael; Smith, Judith Terry; Ingle, James C., Jr.; Krummenacher, Daniel In: Revista Mexicana de Ciencias Geologicas, 1999, Vol. 16, Issue 1, pp.1-34
Potassium-argon ages of rhyolitic bedrock and conglomerate clasts in Eocene strata, northwestern Mexico and Southern California , Abbott, Patrick L.; Kies, Ronald P.; Krummenacher, Daniel; Martin, Donna, 1983, pp.59-66
Geologic and geochronologic relations in the lower plate of the Whipple detachment fault, Whipple Mountains, southeastern California; a progress report , Davis, Gregory A.; Anderson, J. Lawford; Martin, Donna L.; Krummenacher, Daniel; Frost, Eric G.; Armstrong, Richard L., 1982, pp.408-432
5500 Campanile Dr • 237 Geology Mathematics and Computer Science Building • San Diego • CA 92182-1020 • (619) 594-5586