Geology of Marin Headlands

AJ White

If you've ever been to the Marin Headlands you know that it is one of the most beautiful spots in the Bay, but did you know that its hills are the result of 200 million years of volcanoes, earthquakes, and fossilized plankton?

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I explore California geology, history, and archaeology - pretty much anything about the past in the Golden State!

San Rafael, CA
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