Kiamichi Shale

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]

The Kiamichi Shale or Kiamichi Formation is a geologic formation in Arkansas[1] and Texas. It preserves fossils dating back to the Cretaceous period.

See also

• List of fossiliferous stratigraphic units in Texas
• Paleontology in Texas

References

1. 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.
2. 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.