PENINSULA GEOLOGICAL SOCIETY

FIELD TRIP -- THE DIABLO RANGE, OPHI0LITES, & METAGRAYWACKES

Leaders: Russ Evarts (U.S.G.S.), Bob Coleman (Stanford), and Gary Ernst (Stanford)

On Saturday, November 2, 1996, we will headed across the Diablo Range, saw the Hayward fault, stopped at Mount Hamilton observatory, and headed east to the Del Puerto ophiolite. On Sunday we stopped at several Franciscan localities on the Pacheco Pass road (Hwy. 156) near San Louis Reservoir and hammered on Franciscan jaditized metagraywacke.

Here is a set of photographs from the trip taken by Mike Diggles:

Officers: Gary Ernst, President; Mike Diggles, Vice President; Vicki Langenheim, Secretary; John Galloway, Treasurer

Date created: 11/04/1996
Last modified: 02/06/2003
Created by: Mike Diggles, Vice President, PGS.

c/o U.S. Geological Survey, MS-951, 345 Middlefield Road, Menlo Park, CA 94025. (650) 329-5404 email to mdiggles@usgs.gov

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