Usage:
Mill Knob Member of Slade Formation (KY*)
Geologic age:
Mississippian, Late*
Type section, locality, area and/or origin of name:
Type section: Natural Bridge Stone Co. quarry, 4 km southeast of Mill Knob and 3 km south of Bowen, Stanton 7.5-min quadrangle, Powell Co., KY (Ettensohn and others, 1984).
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 ([ ]).