Usage:
Plattsmouth Member of Oread Limestone (IA*,KS*,MO*,NE*,OK*)
Plattsmouth Limestone Member of Oread Formation (MO)
[?] Plattsmouth Limestone of Vamoosa Group (OK)
Geologic age:
Late Pennsylvanian (Virgilian)*
Type section, locality, area and/or origin of name:
In Missouri River bluffs in vicinity of Plattsmouth, Cass Co., NE (Keyes, 1898; Moore, 1936).
Named from exposures near Plattsmouth, Cass Co., NE (Keyes, 1898).
AAPG geologic province:
Nemaha anticline*
Forest City 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 ([ ]).