No current usage.
(†Osborne Limestone (KS) is same as Fort Hays Limestone Member of Niobrara Formation. See Fort Hays.)
Late Cretaceous
Not designated. Named from exposures at Osborne and in Osborne Co., north-central KS (Cragin, 1896).
Salina basin
Central Kansas uplift
Anadarko basin
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 ([ ]).