Usage:
Ditney Coal Member of Patoka Formation of McLeansboro Group (IN)
Geologic age:
Pennsylvanian
Type section, locality, area and/or origin of name:
Type area: Ditney Hills, in secs. 4, 5, and 6, T. 5 S., R. 9 W., Warrick Co., IN (Fuller and Ashley, 1902, p. 2).
Reference section: north side of Evansville, in NW/4 SW/4 sec. 13, T. 6 S., R. 11 W., Vanderburgh Co., IN (Shaver and others, 1970).
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 ([ ]).