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 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 ([ ]).