Tag Archives: Earthquake

Serpentine and the Primordial Subduction

Serpentine is the California State Rock. The effluent of toxic mud volcanos might seem a strange choice for a state rock, but the related higher grade blue and greenschist metamorphism has produced eerily beautiful rocks with sinuous veining from which … Continue reading

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Too Much on my Plate

I’ve been getting annoyed with the grade school conception of “plate” tectonics where everyone is identifying plates and their relative motions and saying stuff like the Japan Earthquake of 2011 was caused by the Pacific Plate sliding under Japan. It … Continue reading

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