Usage:
Schuylkill Formation of Pottsville Group (PA)
Schuylkill Member of Pottsville Formation (PA*)
Geologic age:
Pennsylvanian, Early*
Type section, locality, area and/or origin of name:
Type section: in Pottsville Formation reference section which is in roadcut on east side of U.S. Highway 122 about 150 feet farther east than original type section of Pottsville which is on eastern side of Pennsylvania RR cut through water gap south of Pottsville, Schuylkill Co., PA (Wood and others, 1956).
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 ([ ]).