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National Geologic Map Database

Geologic Unit: Benwood

Usage:

Benwood limestone (informal, unranked) (OH,PA,WV)
Benwood Limestone of Monongahela Group (OH)
(Locally in PA called Sewickley Member of Pittsburgh Formation of Monongahela Group. See also Sewickley.)

For informal, unranked usage, the lithologic term should not be capitalized.


Geologic age:

Late Pennsylvanian


Type section, locality, area and/or origin of name:

Named from town of Benwood, Marshall Co., northern WV (Campbell, 1903).


AAPG geologic province:

Appalachian basin


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).