Usage:
Perrysburg Formation (NY*,OH*,WV*,PA*)
Subunits:
Dunkirk Shale (NY*,PA*,OH*,WV*), South Wales (NY*), Canaserga Sandstone (NY*), Gowanda (NY*), Hume Shale (NY*), Caneadea (NY*), and Canisteo Shale (NY*) Members
Geologic age:
Late Devonian*
Type section, locality, area and/or origin of name:
Exposures on Big Indian Creek in Perrysburg Twp., Cattaraugus Co., NY (Pepper and de Witt, 1951).
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 ([ ]).