Lot 667
Pair of Dinosaur Coprolites - 15 Million Years Old. This large pair of dinosaur coprolites (doo-doo) consists of a complete 7 lb. coprolite 7 x 6 inches, exactly as found, and a 4 lb., 6 x 3½ inch section that has been cut and polished to show the many different internal colors, somewhat like petrified wood. The pattern of brown, tan, and red occurs as bacteria breaks down the organic compounds which are then replaced by various minerals. This polished piece has a flattened bottom with felt backing, so that it can be used as a paperweight. Only large coprolites can definitely be attributed to dinosaurs, but the exact species of dinosaur cannot be determined. These large coprolites are from the Morrison formation near Garfield, Utah, and were deposited by a large, plant-eating dinosaur, probably a sauropod such as Diplodicus and Comarasaurus, which are commonly found in this area. Total weight is 10 pounds.
Estimated Value $350 - 500.
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