Teacher Resources

Calif​ornia Geological Survey (CGS) believes that there is a need to increase public awareness and understanding of the importance of the earth sciences in our lives, that is why CGS pro​​vide​​s educational resources for teachers and others who are interested with the hope to make earth science learning more meaningful. Much​ of our educational resource material is in PDF format and requires Adobe Acrobat Reader.

​​CGS Notes

​CGS Notes contain the answers to commonly asked questions about California's geology. There are also notes with information on California's state gem (benitoite), state fossil (sabertoothed cat), state mineral (gold), and state rock (serpentine).

​Teacher Features

Teacher Features, a regular feature of California Geology magazine, are intended for use by educators in the classroom.


The California Geotour

The California Geotour is an interactive index of Web pages of geologic field trip guides and related Web sites compiled by the California Geological Surve​y for the benefit of all who have wondered about California's geologic features. We have listed web pages that contain geologic information, including photographs, maps, text and directions for local natural features throughout the state. The web pages have been developed by government agencies, geological organizations, professors, students, commercial enterprises, park districts, environmental groups, and those with a keen interest in the earth sciences.

​​Maps and Data

​The California Geological Survey produces several  types of maps and publications, many of which are online. Visit our Maps and Data page to start exploring the collection of maps.