Usage:
Big Stone Gap Member of Chattanooga Shale (TN*,VA*)
Big Stone Gap Shale Member of Price Formation (VA)
Geologic age:
Late Devonian to Early Mississippian (Famennian to Kinderhookian)*
Type section, locality, area and/or origin of name:
Notable exposures from Chattanooga area, southern TN, to Big Stone Gap, southwestern VA, and beyond (Swartz, 1927).
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 ([ ]).