Trail Through Time: Episode 8
Jul 17, 2020•2 min•Season 9Ep. 8
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Episode description
Meet radiolarian chert, a distinctive Franciscan rock made from "the long snowfall of the sea."
It's episode eight of the TRAIL THROUGH TIME, a series of geology videos featuring naturalist Ken Lavin. Sponsored by the Mount Diablo Interpretive Association in partnership with Save Mount Diablo. Videography by Macha Rose. Animations by Tanya Atwater, UC Santa Barbara. Music by Phil Heywood. Produced by Joan Hamilton.
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