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Robin Dobie posted an image in the group What is it? from the myFOSSIL app 3 years, 1 month ago
3 years, 1 month ago3 years, 1 month agoConfused Colorado rock hound. Triceratops horn? In my wildest dreams maybe.
Petrified wood? Probably.
Help plz! #fossil
Maybe wood
Greetings @robin-dobie ! Your specimen appears to be a piece of sandstone. I’ll have to punch in your GPS coordinates to be sure, but I’m pretty sure it’s from the Pierre Shale. The PS is late Cretaceous, but a little too old for Triceratops. You’re more likely to find littoral and marine fossils.
I also think it is a piece of sandstone