Geologic History of the San Andreas Fault System
http://geomaps.wr.usgs.gov/archive/socal/geology/geologic_history/san_andreas_history.html

U.S. Geological Survey


This page from the USGS resource This Dynamic Earth (online edition) describes the evolution of the western coast of North America. A series of block diagrams shows how the subduction zone along the west coast of North America transformed into the San Andreas Fault from 30 million years ago to the present.

This resource is referenced here:
Subject: Geoscience:Geology:Geophysics:Geodynamics
Resource Type: Pedagogic Resources, Audio/Visual:Images/Illustrations
Special Interest: Visualization