Pg. 52. Arickaree shales. Light colored, olive, yellowish, and brownish fossiliferous gray shales referred to lower part of Fox Hills division. Overlie Lisbon shales. Age is Late Cretaceous.
Named from Arikaree River in Cheyenne Co., northwestern KS.
Source: US geologic names lexicon (USGS Bull. 896, p. 69).
†Arickaree shale abandoned. Conflicts with better established name (Arikaree) for a Miocene formation. These beds belong to Pierre shale. No beds of Fox Hills age are known in Kansas.
Source: US geologic names lexicon (USGS Bull. 896, p. 69).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
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