Usage:
Survant Coal Member of Linton Formation (IN)
Survant Coal Member of Carbondale Formation (IL)
Survant coal bed (informal) of Carbondale Formation (KY)
For informal usage, the rank or lithologic term should not be capitalized.
Geologic age:
Middle Pennsylvanian (Desmoinesian)
Type section, locality, area and/or origin of name:
Type locality: at the south edge of Survant (abandoned town), along the Patoka River, in SW/4 NE/4 sec. 2, T. 2 S., R. 7 W., Pike Co., IN (Wier 1961, 1965).
Reference section (subsurface): Indiana Geological Survey drillhole SDH 306, located near type section, in SW/4 NE/4 sec. 2, T. 2 S., R. 7 W., Pike Co., southern IN (Hassenmueller and Ault, 1991).
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 ([ ]).