Claiborne Formation

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Claiborne Formation
Stratigraphic range: Paleogene
Type Formation
Region Arkansas, Illinois, and Kentucky
Country United States
Type section
Named by Timothy Abbott Conrad[1]

The Claiborne Formation or Claiborne Group is a geologic formation in Arkansas, Illinois, and Kentucky. It preserves fossils dating back to the Paleogene period .

See also[edit]


  1. ^ Conrad, T.A. (1847). "Observations on the Eocene formation, and descriptions of one hundred and five new fossils of that period, from the vicinity of Vicksburg, Mississippi, with an Appendix". Proceedings of the Academy of Natural Sciences of Philadelphia. 3: 280–282.