Slatestone Formation (TN*)
Stephens Sandstone Member (TN*). Petros Sandstone Member (TN*). Sand Gap Sandstone Member (TN*). Newcomb Sandstone Member (TN*). Betsie Shale Member (TN*)
Early to Middle Pennsylvanian (Morrowan to Atokan)*
Type section: Cross Mountain section, between The Wye and Cross Mountain, Lake City quadrangle, Campbell Co., eastern TN. Named from town of Slatestone, 1 mi west-northwest of Briceville, Anderson Co., TN (Wilson and others, 1956).
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 ([ ]).