This item contains 4 pieces of authentic fossil dinosaur coprolite, dung, or poop. They are small pieces that have been tumbled and polished. They were found in the Jurassic of Utah.
Fossil Dinosaur Poop
Coprolite, dung, poop, or feces
This ordinary looking rock is actually fossilized dinosaur poop or dung with a formal name of Coprolite. The dung was fossilized much like any other bone, shell or plant. This Coprolite has been replaced during fossilization by the mineral Agate. Agate is a cryptocrystalline variety of the mineral Quartz (SiO2. In a polished cross section paleontologist such as Dr. Karen Chin (see National Geographic Magazine January, 1993 can often see undigested bits of bone and plants that were part of the dinosaurs diet. This fossil Coprolite which has been cut and polished or tumble polished is from the Jurassic Age rocks of Utah which is 140-200 MYA years old.
1/2 to 3/4 inches each
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