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  • Chris Pacheco posted an image in the group Group logo of What is it?What is it? from the myFOSSIL app 1 month, 1 week ago

    1 month, 1 week ago
    1 month, 1 week ago

    Could someone please help me identify this specimen

    • The bumps are nodules, if I had to guess made of chert. No one really KNOWS what causes chert modules but it is pretty commonly thought of as burrow that had organic material in them which made ground water more acidic and the ideal deposition also environment for chert

    • looks volcanic to me