These older NCGS Field Trip Guidebooks are available for free download. NCGS Guidebooks generally older than five years are provided for free download for the personal use and research of NCGS members and the public. NCGS Guidebooks less than five years old are generally available for sale at NCGS Meetings and by mail order.

Our publications made available here are solely for the noncommercial, scientific or educational use of NCGS members, scientists, teachers, and interested members of the public. None of these publications, in whole or in part, may be sold, used for any commercial purposes, or republished (including by posting to any personal or commercial website) without the express written permission of the Northern California Geological Society.

More recent NCGS Field Trip Guidebooks are available for purchase with details here.

Guidebook TitleGeographic AreaYearAuthorPDF Available
Calaveras Dam Replacement ProjectEast Bay2014C. Philip Respess, URS CorporationDownload
Geology of the Golden Gate HeadlandsMarin County2013Dr. William Elder, Golden Gate National Recreation AreaDownload
Stroll to Subduction: Geology of Sunol Regional Wilderness, CaliforniaEast Bay2012Dr. John Wakabayashi, CSU FresnoDownload
The Caldecott Fourth Bore Project: Tunneling Through a Miocene Plate BoundaryEast Bay2012Chris Risden, California Department of Transportation/ Ivy Morrision, Caldecott Fourth Bore ProjectDownload
Ocean Floor to the Shelf; The Lower Tertiary Sequences on the Flanks of Mt. DiabloMt. Diablo2012Dr. Raymond Sullivan, San Francisco State UniversityDownload
Geology and Tectonics of the Smartville Complex, NW Sierra Nevada, CaliforniaSierra Foothills2010Dr. Eldridge Moores, University of California DavisDownload
Mammoth Rocks and the Geology of the Sonoma CoastSonoma Coast2010Edward Breck Parkman, California State Parks/ Rolfe Erickson, Sonoma State University, Department of GeologyDownload
Northern California Geological Society - Gold Country Field TripSierra Foothills2009Ross Smith, Precious Metals Consulting GeologistDownload
Tracing Hayward Fault - A Potential Disaster AreaEast Bay2006Dr. Joyce Blueford, Math Science Nucleus/ Dr. Mitchell Craig, CSU East Bay HaywardDownload
Retracing the Events of the 1906 Earthquake and Fire Along the Old Bay Margins in Downtown San FranciscoSan Francisco2006Raymond Sullivan, San Francisco State University, Department of GeosciencesDownload
Geology of the Fremont AreaEast Bay2005Dr. Joyce Blueford, Math Science Nucleus/ Dr. Paul Belasky, Ohlone College
Blueschists and Breweries, Brewschist IINorth Bay2005John Wakabayashi, California State University FresnoDownload
Geology of the South Flank of Mount DiabloMt. Diablo2004Northern California Geological SocietyDownload
Geology and Ground-water Resources of the Merced Formation in the Westside Basin of Coastal San Mateo and San Francisco CountiesSan Francisco Peninsula2004H.E. Clifton/ R.E. Hunter/ G. Bartow
A Field Trip Guidebook to the Clear Lake Volcanic Field, Lake County, CAClear Lake2003Rolfe Erickson, Department of Geology, Sonoma State University
Northern California Geological Society - Altamont Intersection Field TripEast Bay2003Northern California Geological SocietyDownload
Mesozoic and Tertiary Stratigraphy of the Burdell Mountain Area and Implications for Slip along the East Bay Fault System, Marin County CaliforniaMarin County2003Eric E. Ford, San Francisco State UniversityDownload
Geology of the Right Stepover Region between the Rodgers Creek, Healdsburg and Maacama Faults, Northern San Francisco Bay RegionNorth Bay2003Bob McLaughlin, USGS/ Dave Wagner, CGS/ Andrei Sarna-Wojcicki, USGSDownload
Geology of the Point Reyes Area, CaliforniaPoint Reyes2003Tom MacKinnon, Consultant/ John R. (Rusty) Gilbert, ChevronTexacoDownload
Geology of Central California - Mount Diablo RegionMt. Diablo2002Ron Crane
Northern California Geological Society
Northern California Geological Society-- Altamont HillsEast Bay2000Ron CraneDownload
Analysis of Neogene to Recent Tectonics of the Central Diablo RangeCentral Coast1999M. C. Erskine, PhD, Consulting Geologist, El Cerrito, CADownload
Overview of the 1998 Mission Peak Landslide Fremont, CaliforniaEast Bay1999J. David Rogers and Patrick L. Drumm, Geolith Consultants, Pleasant HillDownload
Use of Tephrochronology in Correlation and Dating of Some Late Neogene Sedimentary Sections, East San Francisco Bay Area, & Sediment Provenance in the Shell Ridge and Los Medanos Hills Areas, West of Mount DiabloEast Bay1999Andrei M. Sarna-Wojcicki and James P. WalkerDownload
Geology of Brushy PeakLivermore Valley1999Ron CraneDownload
Whitewater Rafting Down the American RiverSierra Foothills - American River1999Russ Graymer, USGSDownload
Late Quaternary Climate and Tectonics in the San Andreas Fault Valley near Point Reyes, CaliforniaPoint Reyes1998Dr. Karen Grove, Department of Geosciences, San Francisco State UniversityDownload
The Franciscan Complex, San Francisco Bay Area: A record of Subduction Complex ProcessesSF Bay Area1998Dr. John WakabayashiDownload
Northern California Geological Society - Hollister/Cienega/PinnaclesHollister/Cienega/Pinnacles1997Vince Matthews, Arizona State UniversityDownload
Northern Sierra Nevada Region Geological Field Trip GuidebookSierra Nevada1997Dr. Davey Jones/David LawlerDownload
Northern California Geological Society - Northern Sierra Nevada RegionSierra Nevada1997David Lawler/ Gregg WilkersonDownload
Neogene Paleogeographies in the Greater San Francisco Bay AreaEast Bay1996Anna V. BuisingDownload
Northern California Geological Society--New Idria Field TripSouth Bay1996Robert G. Coleman/Stephan A. Graham, Stanford UniversityDownload
Tectonic Belts of the Sierra Nevada, Northern CaliforniaSierra Foothills1995Timothy Fagan, Jason Mayfield, Howard W. Day, University of California, Davis, Department of GeologyDownload
Field Guide to the Geology of Black Diamond Mines Regional PreserveEast Bay1994Raymond Sullivan, San Francisco State University John Waters, East Bay Regional Park District Morgan D. Sullivan, Exxon Production Research CompanyDownload
Black Hawk Ranch Fossil Mammal Quarry, Contra Costa County, California--Field Trip Guide BookMt. Diablo1994David LawlerDownload
Environmental Geology of the Livermore Valley and Nearby EnvironsLivermore Valley1993R. Jl Baldwin, Montgomery Watson/ R. C. Crane/ B.J. Qualheim and others, Lawarence Livermore National Laboratory/ R. W. N. Tinline, Pacific Environmental/ V. M. Madird and others, Weiss Associates/ S. J. Weber, Montgomery WatsonDownload
Geology and Tectonics of the Southwestern Sacramento Valley and Adjacent Coast RangesSacramento Valley 1993E. M. Moores, EditorDownload
Field Trip Guide to Late Cenozoic Geology in the North Bay RegionNorth Bay1992T.L. WrightDownload
The October 17, 1989 Earthquake: Geology & ImpactsLoma Prieta EQ1990Bob Kieckhefer/ Francoise Bertaux/ Ron Hamburger/ Mike RojanskyDownload
NCGS trip no. 1. San Andreas Fault and Franciscan Complex in Marin County, CaliforniaMarin County1990American Association of Petroleum Geologists/Northern California Geological Society**Available from GeoRef
Geologic Guidebook to the Point Reyes AreaPoint Reyes1989Bruce J. Bilodeau, EditorGoogle Docs Download
Field Trip Guide to the Geology of the San Ramon Valley and EnvironsMt. Diablo1988Northern California Geological SocietyDownload
Guide to the Monterey Formation in the California coastal area, Ventura to San Luis ObispoCentral Coast1981American Association of Petroleum Geologists/Northern California Geological SocietyGeoRef
Northern California Geological Society - Western Margin Sacramento Valley - Clear Lake AreaSacramento Valley and Clear Lake Area1975Ernest I. Rich/ Raymond V. IngersollDownload
Trip 1. Sacramento ValleySacramento Valley1962American Association of Petroleum Geologists/Northern California Geological SocietyGeoRef
Trip 2. Santa Cruz MountainsSanta Cruz Mountains1962American Association of Petroleum Geologists/Northern California Geological Society**Available from GeoRef
Trip 3. Point Reyes Peninsula and San Andreas FaultPoint Reyes1962American Association of Petroleum Geologists/Northern California Geological SocietyGeoRef
Trip 4. San Francisco PeninsulaSan Francisco Peninsula1962American Association of Petroleum Geologists/Northern California Geological SocietyGeoRef
Trip 5. North flank of Mount DiabloMt. Diablo1962American Association of Petroleum Geologists/Northern California Geological SocietyGeoRef
Northern California Geological Society - Capay Valley-Wilbur Springs, Westside Sacramento ValleySacramento Valley1954Northern California Geological SocietyDownload