| Marks Head Formation | |
|---|---|
| Stratigraphic range: Burdigalian ~ | |
| 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 |
| Approximate paleocoordinates | 32°54′N 77°36′W / 32.9°N 77.6°W |
| Region |  Georgia (U.S. state) |
| Country |  United States |
  Marks Head Formation (the United States)  Marks Head Formation (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.[1][2]
- ^ 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.