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California 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 provides 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 Feature-Fabulous Facts About Mineral Resources

Online Maps and Data

The California Geological Survey produces several  types of maps and publications, many of which are online. One of the products being offered by CGS is interactive mapping program created for the Seismic Hazards Zonation Program. The Seismic Hazards Mapping Web Page uses Intergraph's GeoMedia WebMap to allow you to interactively view Seismic Hazards Mapping data using an internet browser. It also allows you to download maps and GIS data via the web.