| Age | Cretaceous |
|---|---|
| Period | Cretaceous |
| Prilithology | Shale |
| Namedby | Robert Thomas Hill[1] |
| Region | Arkansas, Texas |
| Country | United States |
| Unitof | Fredericksburg Group |
| Underlies | Woodbine Formation |
| Overlies | Goodland Formation |
| Thickness | 20 ft (6.1 m) in Arkansas[2] |
The Kiamichi Shale or Kiamichi Formation is a geologic formation in Arkansas[2] and Texas. It preserves fossils dating back to the Cretaceous period.
See also
References
- ^ Hill, Robert T. (1891). "The Comanche series of the Texas-Arkansas region". Bulletin of the Geological Society of America. 2: 504–515.
- ^ McFarland, John David (2004 [1998]). "Stratigraphic summary of Arkansas". Arkansas Geological Commission Information Circular. 36: 27. Archived from the original on 2016-12-21. Retrieved 2018-01-12.
- ((Various Contributors to the Paleobiology Database)). "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 19 August 2022. Retrieved 17 December 2021.