No current usage.
(†Revelo Shale (KY,TN) considered abandoned.)
Early Pennsylvanian (Bashkirian; Westphalian; Morrowan)
Named from exposures along U.S. Highway 27 at north edge of community of Revelo, [Whitley City 7.5-min quadrangle], McCreary Co., southeastern KY (Bergenback and Wilson, 1961).
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 ([ ]).