Usage:
Orangeville Shale of Cuyahoga Group (OH*,PA*)
Orangeville Shale Member of Cuyahoga Formation (OH,PA)
Subunits:
FORMATION STATUS (alphabetical): Aurora Siltstone Member (OH*,PA*), Bartholomew Siltstone Member (PA*), Chardon Siltstone Member (OH*), Hungry Run Sandstone Member (PA*), Sunbury Member (OH*,PA*).
MEMBER STATUS: Brecksville Shale [Bed].
Geologic age:
Early Mississippian (Tournaisian; Kinderhookian)*
Type section, locality, area and/or origin of name:
Exposures at village of Orangeville, Trumbull Co., OH, near PA State line (White, 1880).
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 ([ ]).