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Showing results for tags 'marin'.
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Fossil or non-fossil
Henry T posted a topic in Fossil IDHello again everyone. So my question here is whether this is a fossil, or some sedimentary layering non-fossil? I found this at low tide at "Agate Beach", Bolinas, Marin County. California.
Tiberon posted a topic in Fossil IDCan anyone identify these? About an inch in diameter, and inch long, found 1 hr north of san francisco along coast.