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National Geologic Map Database

Geologic Unit: Kilgore

Usage:

Kilgore Flint Member of Princess Formation of Breathitt Group (KY-local)
Kilgore Flint Member of Breathitt Formation (KY*-local)
Recognized locally in Princess district.


Geologic age:

Middle Pennsylvanian (Moscovian; Westphalian C; late Atokan)*


Type section, locality, area and/or origin of name:

Type section: roadcut on northeast exit ramp, intersection U.S. Highway 60 and U.S. Interstate Highway I-64 near Coalton, Rush 7.5-min quadrangle, Boyd Co., northeastern KY, 1.6 km north of Kilgore, KY (Rice and others, 1994).


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 ([ ]).