Glenn Borchardt soil consultant

Glenn Borchardt, Ph.D.

Soil Tectonics
P.O. Box 5335 Berkeley, CA 94705-0335
Phone: (510) 654-1619
Cell: (510) 205-4562
Fax: (530) 655-0018
E-mail: gborchardt@gmail.com
Web Site: www.soiltectonics.com

Certification: Certified Professional Soil Scientist (ARCPACS)
Specialties: Pedochronology, Soil Stratigraphy, Paleoseismology, Forensic Soil Science, Expert Witness

Soil Stratigrapher / Earthquake Hazard Specialist Dr. Borchardt is the Principal Soil Scientist for Soil Tectonics, located in Berkeley, California. Dr. Borchardt has a Ph.D. in Soil Mineralogy from Oregon State University, a M.S. in Clay Mineralogy from the University of Wisconsin, and a B.S. in Soil Science from the University of Wisconsin. Additionally, Dr. Borchardt is a Certified Professional Soil Scientist. He recently retired from the California Geological Survey.

I call my approach to paleoseismology "soil tectonics." I combine field observation, soil and geomorphological description, and sampling with laboratory work involving mineralogical, physical, and chemical analyses to discover the relationships between faults and soils. The data are interpreted through perspectives gained from pedochronology, Quaternary stratigraphy, seismology, geodesy, as well as tectonics. Long term goals in this research include the determination of Holocene slip rates, dates of prehistoric events, recurrence intervals, and ultimately, predictions involving the date, magnitude, and location of future events. Soils are especially important in this work because evidence for the most recent activity usually involves the youngest geologic unit overlying a fault: the soil.

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