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