San Francisco Bay Area Geology Resources

Below are Geology & other Earth Sciences resources I have discovered & compiled over years. Unfortunately I have lost track of the original locations of almost all of these sources. So, for academic purposes, you should cite the source itself, not this Appreciating Earth website.

General Geology Information:

North Bay Region Geology Information:

Geologic Maps:

Hydrology Information:

  • Download at: https://rockd.org/ or Apple Store or Google Play

  • I share how to use the Rockd App to discover & learn about local geology 

  • The intricacies of rock identification & map skills

  • Why should we care about the rocks beneath our feet, in terms of environment, climate, natural hazards & agriculture

  • Note the video on the right does not have sound

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