Corbin Sandstone (unranked) in Grundy Formation of Breathitt Group (KY)
Corbin Sandstone Member of Lee Formation (KY*, and TN*-local)
late Early Pennsylvanian (Bashkirian; Westphalian A; late Morrowan)*
Named from Corbin, Whitley Co., central KY (US geologic names lexicons, USGS Bull. 896, 1200).
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 ([ ]).