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National Geologic Map Database

Geologic Unit: Greenbrier

Usage:

Greenbrier Formation (MD*,PA*,VA*,WV*)
Greenbrier Group (WV)
Greenbrier Limestone (KY*,MD*,PA,VA*,WV*)
Greenbrier Limestone Member of Mauch Chunk Formation (PA*)


Subunits:

(ascending) Hillsdale Limestone, Denmar Formation, Sinks Grove Limestone, Patton Limestone, Taggard Shale, Pickaway Limestone, Union Limestone, Greenville Shale of Greenbrier Group (WV); Hillsdale, Taggard, Pickaway, and Union Members of Greenbrier Limestone (WV,VA); Little Valley, St. Louis, Ste. Genevieve, and Gasper Limestone Members of Greenbrier Limestone (VA); Loyalhanna, Deer Valley, Savage Dam, and Wymps Gap Members of Greenbrier Formation (MD*)


Geologic age:

Middle Mississippian (Visean; Meramecian to early Chesterian)*


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

Exposures on Greenbrier River, Pocahontas Co., south-central WV (Rogers, 1879).


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 ([ ]).