Hawxby Shale Member of Onaga Shale of Admire Group (KS*,NE*,OK*)
Late Pennsylvanian (Virgilian)
Type locality: Hawxby farm, in SE/4 sec. 7, T. 4 N., R. 15 E., Nemaha Co., southeastern NE, 5+/- mi west of Nemaha [see Wilmarth, 1938].
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 ([ ]).