The Marks Head Formation is a geologic formation, part of the Hawthorn Group, in southeastern Georgia and northern Florida that preserves fossils dating back to the Burdigalian stage of the Miocene period.[1][2]

Marks Head Formation
Stratigraphic range: Burdigalian
~20–16 Ma
TypeFormation
Unit ofHawthorne Group
Lithology
PrimarySandstone
OtherPhosphorite
Location
Coordinates32°36′N 81°24′W / 32.6°N 81.4°W / 32.6; -81.4
Approximate paleocoordinates32°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 is located in the United States
Marks Head Formation
Marks Head Formation (the United States)
Marks Head Formation is located in Georgia
Marks Head Formation
Marks Head Formation (Georgia)


See also edit

References edit

  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 edit

  • 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