Usage:
Atwater Member of Crooked Creek Formation of Meade Group (KS*)
Geologic age:
late Tertiary (Pliocene; Blancan NALMA)*
Due to change in Plio-Pleistocene boundary, age may now be considered all or in part Pleistocene.
Type section, locality, area and/or origin of name:
Type section: on east side of Crooked Creek, in N/2 sec. 21, T. 33 S., R. 28 W., Meade Co., southwestern KS. Named from old Atwater Post Office [in Meade Co.] (Hibbard, 1958).
AAPG geologic province:
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 ([ ]).