Nancy Member of Borden Formation (KY*,OH)
Gum Sulphur Bed (KY*)
Early Mississippian*
Type section: roadcuts along KY Highway 1248, 2 mi east of village of Nancy, in Pulaski County Park, Delmar quadrangle, Pulaski Co., KY (Weir and others, 1966).
Cincinnati arch*
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 ([ ]).