No current usage.
(†Jenkins Clay (unranked) of †Cave Creek Formation (KS,OK) considered same as Nescatunga Gypsum Bed of Blaine Formation. See Nescatunga.)
early Permian (Leonardian)
Named from former Jenkins Post Office, Comanche Co., central southern KS (US geologic names lexicons, USGS Bull. 896, 1200).
Anadarko basin
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 ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).