Wardell Formation (TN,VA)
Wardell Limestone (VA)
Wardell Formation of Black River Group (VA*,WV*)
Wardell Formation of Chickamauga Group (TN)
Late Ordovician (Mohawkian; Turinian)*
Type section: about 150 ft east of County Road 610, about 1 mi north of ford across Little River, Tazewell Co., VA. Named from settlement of Wardell near Tazewell-Russell Co. line (Cooper and Prouty, 1943).
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 ([ ]).