Kiamichi Shale

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
TypeFormation
Unit ofFredericksburg Group
UnderliesWoodbine Formation
OverliesGoodland Formation
Thickness20 ft (6.1 m) in Arkansas[1]
Lithology
PrimaryShale
Location
RegionArkansas, Texas
Country United States
Type section
Named byRobert Thomas Hill[2]

See also

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.


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