Usage:
Tub Spring Sandstone Member of Cross Mountain Formation (TN*)
Geologic age:
Pennsylvanian, Middle*
Type section, locality, area and/or origin of name:
On road leading to top of Cross Mountain, Lake City quadrangle, Anderson Co., eastern TN. Exposed near Tub Springs at top of Frozen Head Mountain above Petros, Fork Mountain quadrangle (Wilson and others, 1956).
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 ([ ]).