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National Geologic Map Database

Geologic Unit: Brush Creek

Usage:

Brush Creek Limestone Member of Conemaugh Formation (KY*,MD,PA*,WV*)
Brush Creek Limestone Member of Glenshaw Formation (PA,WV)
Brush Creek limestone (informal, unranked) in Conemaugh Group (OH)

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


Geologic age:

Late Pennsylvanian*


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

Brush Creek, Cranberry Twp., Butler Co., PA (White, 1878).


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 ([ ]).