Benbolt Formation of Chickamauga Group (TN)
Benbolt Formation (TN,VA)
Benbolt Limestone (TN,VA*,WV*)
Shannondale Limestone Member (VA), Burkes Garden Limestone Member (VA,TN).
Middle Ordovician (Blackriveran)*
Type section: about 1-1/8 miles south of Benbolt, west of Tazwell County Farm, VA (Cooper and Prouty, 1943).
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 ([ ]).