Usage:
Hazel Patch sandstone (informal, unranked) in Grundy Formation of Breathitt Group (KY)
Notable exposures in Licking River and Southwestern districts.
Informal and unranked. The lithologic term should not be capitalized.
Geologic age:
late Early Pennsylvanian (Bashkirian; Westphalian A; late Morrowan)
Type section, locality, area and/or origin of name:
Named from exposures near Hazel Patch, Laurel Co., eastern KY (Greb and Archer, 1995).
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 ([ ]).