| Marks Head Formation | |
|---|---|
| Stratigraphic range: Burdigalian ~20–16 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
| Type | Formation |
| Unit of | Hawthorne Group |
| Lithology | |
| Primary | Sandstone |
| Other | Phosphorite |
| Location | |
| Coordinates | 32°36′N 81°24′W / 32.6°N 81.4°W / 32.6; -81.4 |
| Approximate paleocoordinates | 32°54′N 77°36′W / 32.9°N 77.6°W / 32.9; -77.6 |
| Region |  Georgia (U.S. state) |
| Country |  United States |
  Marks Head Formation (the United States)Show map of the United States Marks Head Formation (Georgia)Show map of Georgia | |
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.
See also
- List of fossiliferous stratigraphic units in Georgia (U.S. state)
- Paleontology in Georgia (U.S. state)
References
- Marks Head Formation at Fossilworks.org
- Scott, Thomas M. (1988). The lithostratigraphy of the Hawthorn Group (Miocene) of Florida: Florida Geological Survey Bulletin 59 (PDF) (Report). Florida Geological Survey. p. 34.
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