Usage:
Gurley Sandstone Member of Omadi Formation of Dakota Group (CO,KS,NE,WY)
(†Gurley Sandstone Member not used by the USGS.)
Geologic age:
Late Cretaceous
Type section, locality, area and/or origin of name:
Not designated. Origin of name not stated by author; may have been named from Gurley, Cheyenne Co., NE (Merriam, 1957).
AAPG geologic province:
Las Animas arch
Anadarko basin
Central Kansas uplift
Salina basin
Denver 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 ([ ]).