Usage:
Eggleston Formation (TN*,VA*,WV*)
Eggleston Limestone (KY,TN*,VA*)
Eggleston Limestone of Chickamauga Group (TN)
Subunits:
(alphabetical): Deicke K-bentonite Bed (TN,VA,WV), Millbrig K-bentonite Bed (TN,VA,WV), Walker Mountain Sandstone Member (VA).
Geologic age:
Late Ordovician (Mohawkian)*
Type section, locality, area and/or origin of name:
Along State Highway 8, 1 mi north of Narrows, Giles Co., VA. Also well exposed 1.1 mi south of Eggleston (Mathews, 1934).
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 ([ ]).