Usage:
Sherman Creek Member of Catskill Formation (PA*)
Geologic age:
Late Devonian*
Type section, locality, area and/or origin of name:
Type area: outcrop area between Duncannon (SE subquadrangle, Duncannon quadrangle) and Shermans Dale (C subquadrangle, Shermans Dale quadrangle), southeastern PA, where Sherman Creek cuts across the unit in several meanders. Named from exposures along meander banks of Sherman Creek north of Cove Mountain and west of Duncannon (Dyson, 1967).
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 ([ ]).