Usage:
No current usage.
(Rocks of †Ivydell Sandstone Member of †Hance Formation (TN*-recognized locally in type area) reallocated to Slatestone Formation. See Slatestone.)
Geologic age:
Middle Pennsylvanian (Moscovian; Westphalian; early Atokan)
Type section, locality, area and/or origin of name:
Type section: along road on left side of Kent Hollow, from town of Ivydell to broad upland, Campbell Co., [Ivydell 7.5-min quadrangle], northeastern TN (Englund, 1968).
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 ([ ]).