Reynolds Sandstone Member of Breathitt Formation (KY*-local)
Reynolds Sandstone Member of Wise Formation (VA*)
Reynolds Sandstone Member of /Four Corners Formation of Breathitt Group (KY-local)
[Four Corners Formation conflicts with nomenclature guidelines (NACSN, 1983, 2005).]
Middle Pennsylvanian (early Moscovian; Westphalian B; middle Atokan)*
Named from Hanging Rock of Reynolds Mountain, Bell Co., southeastern KY (US geologic names lexicons, USGS Bull. 896, 1200).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.
"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).