The Fire Down Below
Spouting Geology Around Calistoga
by Phil Barber
A shower of magma-heated liquid and steam makes for more than just a pretty Calistoga postcard. It's a 30-million-year-old lesson in California's dynamic underground history of sliding plates, volcanic eruptions, and molten rock.
From the Apr-Jun 2003 issue
Published April 01, 2003
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