Arnoldsburg limestone member [informal] of Monongahela Formation (KY,MD,OH,PA,WV)
Considered informal by the USGS. For informal usage, the rank or lithologic term should not be capitalized.
Late Pennsylvanian
Named from close association with the Arnoldsburg sandstone which occurs near Arnoldsburg, Calhoun Co., WV (Stout, 1930).
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 ([ ]).