Usage:
Patoka Formation of McLeansboro Group (IN)
Patoka Formation (IN*)
Subunits:
Ditney Coal Member (IN). Inglefield Sandstone Member (IN). Hazelton Bridge Coal Member (IN). Vigo Limestone Member (IN). Dicksburg Hills Sandstone Member (IN). Raben Branch Coal Member (IN). Parker Coal Member (IN).
Geologic age:
Late Pennsylvanian (Missourian)*
Type section, locality, area and/or origin of name:
Not synopsized to date.
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 ([ ]).