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Matt Kowalczyk posted an image in the group University of Michigan Museum of Paleontology from the myFOSSIL app 1 year, 10 months ago
1 year, 10 months ago1 year, 10 months agoPlant or fish in the clay?? #fossil
Matt Kowalczyk posted an image in the group University of Michigan Museum of Paleontology from the myFOSSIL app 1 year, 10 months ago
Plant or fish in the clay?? #fossil
Bog iron also called iron stone deposited by bacteria. Often has odd patterns in it.
Bacteria did do that knot work. That is clearly an artifact.