Usage:
Grenola Limestone of Council Grove Group (KS*,NE*,OK*)
Subunits:
(alphabetical) --all in KS*,NE*,OK*: Burr Member, Legion Shale Member, Neva Member, Salem Point Shale Member, and Sallyards Member.
Geologic age:
early Permian (Wolfcampian)*
Type section, locality, area and/or origin of name:
Type section: ravines and creeks north and south of Highway 160, 4 to 5 mi west of Grenola. All 5 members present. "Co-type locality" designated as cuts on U.S. Highway 40, southwest of Manhattan, Riley Co., KS. Named from town of Grenola, Elk Co., KS (Condra and Busby, 1933).
AAPG geologic province:
Chautauqua platform*
Cherokee basin*
Forest City basin*
Nemaha anticline*
Salina 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 ([ ]).