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National Geologic Map Database

Geologic Unit: Alum Cave

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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).