Usage:
Middleburg Limestone Member of Bader Limestone of Council Grove Group (KS*,NE*)
Geologic age:
early Permian (Wolfcampian)*
Type section, locality, area and/or origin of name:
Type locality: on Easly Creek, 1.5 mi south of Middleburg School, in [SE/4] sec. 36, T. 1 N., R. 13 E., in southwestern part of Richardson Co., southeastern NE. Named from Middleburg School (Condra and Upp, 1931).
[Type locality just north of NE-KS line, approx. Lat. 40 deg. 00 min. 10 sec. N., Long 95 deg. 54 min. 06 sec. W. Middleburg School, Lat. 40 deg. 01 min. 46 sec. N., Long. 95 deg. 54 min. 27 sec. W., Humboldt SW 7.5-min quadrangle, Richardson Co., NE, along northern boundary sec. 25, T. 1 N., R. 13 E.]
AAPG geologic province:
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 ([ ]).