Usage:
Lithopolis Siltstone Member of Cuyahoga Formation (OH-recognized locally in type area)
Geologic age:
Early Mississippian (Tournaisian; Kinderhookian to Osagean)
Type section, locality, area and/or origin of name:
Named from Lithopolis, Fairfield Co., south-central OH (Hyde, 1915).
Exposures limited to northwestern Fairfield, southeastern Franklin and southwestern Licking Cos. [type area].
AAPG geologic province:
Appalachian 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 ([ ]).