Marks Head Formation

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′N81°24′W / 32.6°N 81.4°W / 32.6; -81.4
Approximate paleocoordinates	32°54′N77°36′W / 32.9°N 77.6°W / 32.9; -77.6
Region	Georgia
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. ^{[1] [2]}

See also

• List of fossiliferous stratigraphic units in Georgia (U.S. state)
• Paleontology in Georgia (U.S. state)

References

1. Marks Head Formation at Fossilworks.org
2. 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