No current usage.
(Rocks of †Herbert Conglomerate (TN) reallocated to Newton Sandstone. See Newton.)
Early Pennsylvanian (Bashkirian; Westphalian; Morrowan)
Best measurement was taken on Glade Creek just north of old road from [Herbert Domain], Bledsoe Co., to Sparta crosses this stream, [Pikeville quadrangle, scale 1:125,000], southeastern TN (Nelson, 1925).
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 ([ ]).