Waynesburg Formation of Dunkard Group (OH*,PA*,WV*)
(alphabetical): Bristol Limestone [Bed] (WV), Cassville Shale Member (OH*,PA*,WV*), Colvin Limestone Member (PA*,WV*), Dolls Run Sandstone [Member] (WV), Elm Grove Limestone Bed (OH*,PA*,WV*), Hockingport Sandstone Lentil (OH), Mannington Sandstone [Member] (PA,WV), Mather Sandstone Lentil (PA,WV), Mount Morris Limestone Member (OH*,PA*,WV), Wegee Limestone Member (OH*,PA*,WV*), Woodglen Limestone [Bed] (PA).
Controversial.
No older than Late Pennsylvanian (Virgilian) and no younger than early Permian (Wolfcampian)*
Type area: Waynesburg, Greene Co., southwestern PA (Berryhill and Swanson, 1962).
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 ([ ]).