Earth:Williamsburg Formation
From HandWiki
| Williamsburg Formation Stratigraphic range: Thanetian (Clarkforkian) ~58–55 Ma | |
|---|---|
| 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 |
| 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
The following fossils were reported from the formation:[1]
Mammals
- Ectoganus gliriformis
- E. lobdelli
- Mingotherium holtae
Reptiles
- 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
- List of fossiliferous stratigraphic units in South Carolina
- Paleontology in South Carolina
References
- ↑ 1.0 1.1 Williamsburg Formation at Fossilworks.org
Bibliography
- 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
- 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
- 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, https://www.researchgate.net/publication/314162569, retrieved 2018-06-26
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