The Marks Head Formation is a geologic formation within the Hawthorn Group, located in southeastern Georgia and northern Florida. It preserves fossils dating back to the Burdigalian stage of the Miocene period.Marks Head Formation at Fossilworks.org
See also List of fossiliferous stratigraphic units in Georgia (U.S. state) Paleontology in Georgia (U.S. state)
References
Bibliography A. E. Pratt and R. M. Petkewich. 1989. Fossil vertebrates from the Marks Head Formation (Early Miocene) of Southeastern Georgia. Georgia Journal of Science 47(1):20-20