Usage:
Curzon Limestone Member of Topeka Formation of Shawnee Group (IA*,MO*,NE*)
Curzon Limestone Member of Topeka Limestone of Shawnee Group (KS*)
Spelled Curzons, Curzen, and Curzen's in early reports.
Geologic age:
Late Pennsylvanian (Virgilian)*
Type section, locality, area and/or origin of name:
East of Curzon Station, southeast of Forest City, Holt Co., MO. Named from Curzon, Holt Co., MO (Condra, 1927; Condra and Reed, 1937).
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 ([ ]).