A review of a basic high-school or introductory college Earth science or geology textbook would be useful for individuals who have not taken or had an introductory geology course.ДЄn important companion publication about earthquake awareness and safety that everyone living in the region should see is Putting Down Roots In Earthquake Country-Your Handbook For The San Francisco Bay Region (). A limited glossary at the front of the guide is provided for frequently used terms. Selected references provide a more technical and exhaustive overview of the fault system and geology in the San Francisco Bay region.ДЄlthough this resource is intended as an introductory guide, some discussions contain more technical information necessary to maintain scientific accuracy. This extra material is intended to provide optional choices to visit in a region with a wealth of natural resources. Note that more stops are provided in each of the sections than might be possible to visit in a day. These trips focus on public-accessible locations along the San Andreas Fault and associated faults and on significant rock exposures and landforms. The remainder of the volume is a collection of selected field-trip stops and recommended hikes on public lands in the Santa Cruz Mountains, along the San Mateo Coast, and at Point Reyes National Seashore. This first section also contains earthquake information and discussions about making field observations of fault-related landforms, landslides and mass-wasting features, and the plant ecology in the San Francisco Bay region. This first chapter provides a brief overview of the San Andreas Fault in context to regional earthquake history and geology with emphasis of the section of the fault that ruptured in the Great San Francisco earthquake of 1906. Geologic maps are available for all areas described in each field-trip chapter. Depending on your destination, check on weather, tides, and road conditions. Examine directions and maps so you can focus on driving while making observations about the surrounding landscape. Before going out in the field, it is recommended that you read the chapter about your target destination and make note of the specific features you wish to see. This volume is a general geology field guide to the San Andreas Fault in the San Francisco Bay region. Insets show (top) the San Andreas Fault scarp at Mission San Juan Bautista, (left middle) a historical photograph of a fence in Olema offset by the 1906 earthquake, (right middle) granitic sea cliffs of the Point Reyes headlands west of the fault, and (bottom) redwood trees growing along the fault in Sanborn County Park in Santa Clara County. The stream valley roughly follows the trace of the San Andreas Fault in the central Santa Cruz Mountains. View looking southeast along the straight valley of Upper Stevens Creek. Published in commemoration of the 100th anniversary of the 1906 earthquake Geological SurveyДЄ Guidebook to Tracing the Fault on Public Lands in the San Francisco Bay Region By Philip W.

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