Geology Resources for Teachers

San Francisco State University student investigating the rainbow-colored sands of Rodeo Beach in the Marin Headlands

Kirk Wrench

Peruse these files to gain more knowledge and deepen your understanding of the common rocks of the Franciscan Complex. Rock information cards, rock FAQs, and a Franciscan Complex glossary all provide more details about each rock to help you think about the ancient ocean floor you walk and live upon when you are east of the San Andreas Fault in the Bay Area.

• Click here for more information about radiolarian chert and pillow basalt (English)
• Click here for more informaiton about radiolarian chert and pillow basalt (Spanish)
• Click here for more information about Francisan melange and graywacke (English)
• Click here for more information about Francisan melange and graywacke (Spanish)
• Click here for more information about diabase and serpentinite (English)
• Click here for more information about diabase and serpentinite (Spanish)
• Click here for Frequently Asked Questions about radiolarian chert
• Click here for Frequently Asked Questions about pillow basalt
• Click here for Frequently Asked Questions about graywacke sandstone
• Click here for Frequently Asked Questions about serpentinite
• Click here for Frequently Asked Questions about diabase
• Click here for Frequently Asked Questions about limestone
• Click here for a glossary of Franciscan geology terms