Usage:
Onaga Shale of Admire Group (KS*,NE*,OK*)
Subunits:
(alphabetical) --all in KS*,NE*,OK*: Aspinwall Limestone Member, Hawxby Shale Member, Towle Shale Member.
Geologic age:
Late Pennsylvanian (Virgilian)
Type section, locality, area and/or origin of name:
Type section: in east-west roadcut and ditch in SW/4 SW/4 sec. 2, T. 8 S., R. 10 E., Pottawatomie Co., northeastern KS. Named from town of Onaga in northern part of county (Moore and Mudge, 1956).
AAPG geologic province:
Chautauqua platform*
Cherokee basin*
Forest City basin*
Nemaha anticline*
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 ([ ]).