Sumner Group
Sedimentary geologic group
Sumner Group | |
---|---|
Stratigraphic range: Lower Permian | |
Type | Group |
Sub-units | Stone Corral Formation, Ninnescah Shale, Wellington Formation |
Underlies | Nippewalla Group |
Overlies | Chase Group |
Lithology | |
Primary | Shale, dolomite |
Other | Salt, anhydrite, mudstone |
Location | |
Region | Kansas |
Country | United States |
Type section | |
Named for | Sumner County, Kansas[1] |
Named by | F.W. Cragin[1] |
Year defined | 1896 |
The Sumner Group is a sedimentary geologic group of Lower Permian age. It is defined in east-central Kansas and extends into Oklahoma and Nebraska as well as the Colorado subsurface where it is undivided.[2]
See also
- List of fossiliferous stratigraphic units in Kansas
- Paleontology in Kansas
References
- ^ a b Cragin, F.W., 1896, The Permian system in Kansas: Colorado College Studies, v. 6, p. 1-48.
- ^ "Geologic Unit: Sumner". National Geologic Database. Geolex — Significant Publications. United States Geological Survey. Retrieved 2021-11-28.
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