Wellington Formation
The Wellington Formation is a geologic formation in Kansas and Oklahoma. It preserves fossils dating back to the Permian period.[1]
Wellington Formation Stratigraphic range: Artinskian ~290–280 Ma | |
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Halitite (Hutchinson Salt Member, Wellington Formation) | |
Type | Formation |
Unit of | Sumner Group |
Sub-units | Lower Wellington Member, Hutchinson Salt Member, Upper Wellington Member |
Underlies | Ninnescah Shale |
Overlies | Nolans Limestone |
Thickness | 500 ft (150 m) |
Lithology | |
Primary | Anhydrite, gypsum (Lower Wellington Member) Salt (Hutchinson Salt Member) Shale (Upper Wellington Member) |
Other | Shale, dolomite (Lower Wellington Member) Anhydrite, gypsum, shale (Hutchinson Salt Member) Anhydrite, gypsum, siltstone (Upper Wellington Member) |
Location | |
Coordinates | 38.6°N 97.2°W |
Approximate paleocoordinates | 3.6°N 25.8°W |
Region | Kansas Oklahoma |
Country | United States |
Wellington Formation (the United States) Wellington Formation (Kansas) |
See also
References
- Wellington Formation at Fossilworks.org
Further reading
- E. H. Sellards. 1906. Types of Permian insects, part I - Odonata. American Journal of Science, Series 4 22(129):249-258
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