Usage:
Crummies Member of Pikeville Formation of Breathitt Group (KY)
Crummies Member of Breathitt Formation (KY*)
Crummies Member of Kanawha Formation of Pottsville Group (WV*)
Geologic age:
early Middle Pennsylvanian (Moscovian; Westphalian B; early Atokan)*
Type section, locality, area and/or origin of name:
Type section: 138-ft section on U.S. Highway 421, about 1,500 ft (450 m) east of the village of Crummies, Harlan Co., eastern 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 ([ ]).