Usage:
Glenshaw Formation of Conemaugh Group (OH*,PA*,WV)
Geologic age:
Pennsylvanian, Late*
Type section, locality, area and/or origin of name:
Type area: at Glenshaw, community north of Etna, Shaler Twp., valley of Pine Creek on northern outskirts of city of Pittsburgh, Allegheny Co., PA. Entire unit is nowhere exposed in one place (Flint, 1965).
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 ([ ]).