Usage:
Clay City Bed of Farmers Member of Borden Formation (KY*)
Clay City Siltstone Member of New Providence Formation (KY)
Geologic age:
Mississippian, Early*
Osagean
Type section, locality, area and/or origin of name:
Along secondary road 0.5 mi northeast of Clay City, Powell Co., central KY (Stockdale, 1939).
AAPG geologic province:
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 ([ ]).