Usage:
No current usage.
(†Jellico Formation (TN) replaced with Slatestone Formation and Indian Bluff Formation. See Slatestone and Indian Bluff.)
Geologic age:
late Early to Middle Pennsylvanian (late Bashkirian to Moscovian; Westphalian; late Morrowan to Atokan)
Type section, locality, area and/or origin of name:
Named from occurrence of Jellico coal within the formation as its most prominent economic feature; in northern Tennessee coal field, northern TN (Glenn, 1925).
AAPG geologic province:
Appalachian 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 ([ ]).