Usage:
Spickert Knob Formation of Borden Group (IN)
Geologic age:
Mississippian, Early
Type section, locality, area and/or origin of name:
Type section: outcrops along Spickert Knob Road and in adjacent ravines to the northeast, in NE/4 sec. 21 and SE/4 sec. 16, T. 2 S., R. 6 E., New Albany 7.5-min quadrangle, Floyd Co., IN (Rexroad and Lane, 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 ([ ]).