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29 June 2012
Friday fold: Franciscan chert in Golden Gate Park
This week, the Friday fold comes to us courtesy of fellow AGU-hosted geoblogger Jessica Ball: That’s chert cropping out in Golden Gate Park, San Francisco. Maybe you should check it out in December when you’re in the Bay area for the AGU Fall Meeting? Outcrop location: Lat/Long: 37.771517,-122.4777. Annotated version: Recall there are more chert folds from the other side of the Golden Gate Bridge featured here. Thanks for sharing, …