Usage:
/Macedonia Bed of Grier Limestone Member of Lexington Limestone (KY*)
[Preoccupied. Name previously applied to Macedonia Formation by Weller (1940) in southern IL.]
Geologic age:
Late Ordovician (Mohawkian; Chatfieldian; Kirkfieldian and Shermanian)*
Type section, locality, area and/or origin of name:
Type section: roadcuts on south side of eastbound lane along U.S. Interstate Highway I-64 on south side of Kentucky River, Franklin Co., KY (Black and others, 1965).
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 ([ ]).