| Age | Permian |
|---|---|
| Prilithology | Shale |
| Otherlithology | Mudstone |
| Namedfor | Speiser Township of Richardson County, Nebraska[1] |
| Region | Kansas, Oklahoma, Nebraska |
| Country | United States |
| Unitof | Council Grove Group[1] |
The Speiser Shale or Speiser Formation is a geologic formation in Kansas, Oklahoma, and Nebraska dating to the early Permian period.[1]
See also
References
- ^ "Geologic Unit: Speiser". National Geologic Database. Geolex — Unit Summary. United States Geological Survey. Retrieved 2020-12-24.