Williamsburg Formation
Appearance
Williamsburg Formation | |
---|---|
Stratigraphic range: Thanetian (Clarkforkian) ~ | |
Type | Formation |
Unit of | Black Mingo Group |
Overlies | Rhems Formation |
Lithology | |
Primary | Sandstone |
Other | Phosphorite |
Location | |
Coordinates | 33°42′N 79°48′W / 33.7°N 79.8°W |
Approximate paleocoordinates | 34°48′N 62°36′W / 34.8°N 62.6°W |
Region | South Carolina |
Country | United States |
Type section | |
Named for | Williamsburg County, South Carolina |
The Williamsburg Formation is a geologic formation in South Carolina consisting of sandy shale and clayey sand.[1] It is a member of the Black Mingo Group and overlays the Rhems Formation. It preserves fossils, among others coprolites, dating back to the Paleogene period.
Fossil content
[edit]The following fossils were reported from the formation:[1]
Mammals
[edit]Reptiles
[edit]- Agomphus pectoralis
- A. aff. alabamensis
- Osteopygis emarginatus
- Trionyx virginiana
- Adocus sp.
- ?Bothremys sp.
- Chelonioidea indet.
- Cheloniidae indet.
- Pelomedusoides indet.
- Taphrosphyini indet.
- Toxochelyinae indet.
- Crocodylians
- Snakes
See also
[edit]References
[edit]- ^ a b Williamsburg Formation at Fossilworks.org
Bibliography
[edit]- Sawyer, G. T (1998), "Coprolites of the Black Mingo Group (Paleocene) of the South Carolina", Transactions of the American Philosophical Society, 88 (4): 221–228, doi:10.2307/1006676, JSTOR 1006676
- Schoch, R. M (1998), "Late Paleocene land-mammals from the Williamsburg Formation (Black Mingo Group) of South Carolina", Transactions of the American Philosophical Society, 88 (4): 229–245, doi:10.2307/1006677, JSTOR 1006677
- Schoch, R. M (1985), "Preliminary description of a new late Paleocene land-mammal fauna from South Carolina, U.S.A.", Postilla, 196: 1–13
- Van Nieuwenhuise, Don; Colquhoun, Donald (1982), "The Paleocene-lower Eocene Black Mingo Group of the east-central coastal plain of South Carolina", South Carolina Geology, 26 (2): 47–67, retrieved 2018-06-26