Usage:
Cowbell Member of Borden Formation (KY*,OH)
Geologic age:
Early Mississippian*
Type section, locality, area and/or origin of name:
Type section: along forest road up south point of Indian Fort Mountain, located north of KY Highway 21, about 1.5 mi west of village of Big Hill, Big Hill quadrangle, Madison Co., central KY (Weir and others, 1966).
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 ([ ]).