Usage:
Emporia Limestone of Wabaunsee Group (IA*,KS*,MO*,NE*,OK*)
Emporia Formation of Wabaunsee Group (IA*,MO*,NE*)
Emporia Limestone of Vanoss Group (OK)
Emporia Formation of of /Nemaha subgroup [informal] Wabaunsee Group (MO)
Emporia Limestone of /Nemaha subgroup [informal] of Wabaunsee Group (KS)
["Subgroup" not recognized as a formal stratigraphic rank term (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). Nemaha subgroup considered informal and should not be capitalized.]
Subunits:
(alphabetical): Elmont Limestone Member (IA,KS*,MO*,NE,OK*), Harveyville Shale Member (KS*,MO,NE,OK), Reading Limestone Member (IA,KS*,MO,NE,OK).
Geologic age:
Late Pennsylvanian (Virgilian)*
Type section, locality, area and/or origin of name:
Not designated. Quarried at Emporia, Lyon Co., eastern KS (Kirk, 1896).
Reference section: on KS Highway 10, in NW/4 sec. 31, T. 11 S., R. 14 E., Shawnee Co., eastern KS (Moore and Mudge, 1956).
AAPG geologic province:
Forest City basin*
Chautauqua platform*
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 ([ ]).