Cheyenne Sandstone (KS*)
[?] Cheyenne Sandstone Member of [†?]Purgatoire Formation (CO*,NM?,OK*)
Early Cretaceous*
Named from Cheyenne Rock, at Belvidere, Kiowa Co., central southern KS (US geologic names lexicons, USGS Bull. 896, 1200).
Anadarko basin*
Central Kansas uplift*
Sedgwick 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 ([ ]).