Geologic Unit: Schuylkill
Schuylkill Formation of Pottsville Group (PA)
Schuylkill Member of Pottsville Formation (PA*)
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).
Unit Name History:
Named (Wood and others, 1956).
Revised to formation (Gray and others, 1960).
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Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.
"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().
Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).
U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
Database project personnel
Last modified: 15-Jan-2013