Usage:
No current usage.
(†Union Limestone (NE) abandoned. Replaced with Coal Creek Limestone Bed of Topeka Limestone Member of Shawnee Formation. See Coal Creek.)
Geologic age:
Pennsylvanian
Virgilian
Type section, locality, area and/or origin of name:
Exposed in old quarry at Union, Cass Co., in valley side in NW/4 sec. 22, T. 10 N., R. 13 E., and 1.5 mi southwest of Union, in secs. 33 and 28, T. 10 N., R. 13 E., southeastern NE. Named from Union, Cass Co., NE (Condra and Bengtson, 1915).
AAPG geologic province:
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 ([ ]).