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Rocks and Geology in the San Francisco Bay Region
This guide provides illustrated descriptions of 46 common and important varieties of igneous, sedimentary, and metamorphic rock found in the San Francisco Bay region. Rock types are described in context of their identification qualities, how they form, and where they occur. The guide also provides a discussion of regional geology, plate tectonics, the rock cycle, the significance of the selected rock types in relation to both earth history and the impact of mineral resources on the development in the region. There is also information on where rocks, fossils, and geologic features can be visited on public lands or in association with public displays in regional museums, park visitor centers, and other public facilities.
Intended for grade levels:
  • Middle (6-8)
  • High (9-12)
  • College (13-14)
  • College (15-16)
  • Graduate / Professional
Type of resource:
  • Visual:
    • Illustration - scientific
    • Map
    • Photograph
  • Text:
    • Ref. material
Subject:
  • Geological Sciences:
    • Geology
    • Mineralogy or petrology
Technical requirements:
Adobe Acrobat reader
Cost / Copyright:
No cost
Information presented on this website is considered public information (unless otherwise noted) and may be distributed or copied. Use of appropriate byline/photo/image credit is requested. We strongly recommend that USGS data be acquired directly from a USGS server and not through other sources that may change the data in some way. While USGS makes every effort to provide accurate and complete information, various data such as names, telephone numbers, etc. may change prior to updating. USGS welcomes suggestions on how to improve our home page and correct errors. USGS provides no warranty, expressed or implied, as to the accuracy, reliability or completeness of furnished data.
DLESE Catalog ID: USGS-ED-000-000-000-045
Resource contact / Creator / Publisher:
Publisher: United States Geological Survey (USGS)
Geopubs
http://geopubs.wr.usgs.gov/

Contact: Joseph J. Kerski
Educational Resources
United States Geological Survey (USGS)

Author: Phil Stoffer
Educational Resources
United States Geological Survey (USGS)