Claim: Coon Creek Science Center, located at 2985 Hardin Graveyard Road in Adamsville, McNairy County, Tennessee, is a sedimentary sandy marl deposit about 73 million years old and finds at the Coon Creek site range from marine shells, crabs, and snails to vertebrate fossils.
Evidence: The Coon Creek Science Center is a science center and fossil finding site at 2985 Hardin Graveyard Road in Adamsville, McNairy County, Tennessee, USA. It is a sedimentary sandy marl deposit, Late Cretaceous in age, about 73 million years old. Finds at the Coon Creek site range from marine shells, crabs and snails to vertebrate fossils, e.g. sharks.