Brannon Member of Lexington Limestone (KY*)
Late Ordovician (Mohawkian; Chatfieldian; Shermanian)*
Named from exposures at Brannon Station [on the Q & C RR, Nicholasville 7.5-min quadrangle], Jessamine Co., north-central KY (Miller, 1913).
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 ([ ]).