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21 December 2010

Travels of 2010

I’ve been asked to put up a post detailing travels from the year now concluding. You got it! The first day of January dawned for me in Buenos Aires, Argentina. I had just gotten done with one of the best trips I’ve ever taken, to Patagonia in December 2009. The capital of Argentina was a stop-over for a few days on the route back north to DC. On New Year’s …


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GoSF3: Chert

Episode three in the multi-part series on the geology of San Francisco. This post focuses on the chert layers of the Marin Headlands


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