Usage:
Alum Cave Limestone Member of Dugger Formation of Carbondale Group (IN*)
Geologic age:
Middle Pennsylvanian (Moscovian; Westphalian; Desmoinesian)*
Type section, locality, area and/or origin of name:
Type section: northwest of Coalmont in canyon of Sulphur Creek, near abandoned mining town of Alum Cave (New Pittsburg), in NW/4 NE/4 sec. 25, T. 9 N., R. 8 W., [Jasonville 7.5-min quadrangle], Sullivan Co., western IN (Shaver and others, 1970; Wier, unpub. ms.).
AAPG geologic province:
Illinois basin*
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 ([ ]).