Usage:
Dowelltown Formation (TN)
Dowelltown Member of Chattanooga Shale (KY,TN*)
Subunits:
Center Hill Ash Bed (TN*), Rhinestreet Shale Bed (TN*)
Geologic age:
Late Devonian*
Type section, locality, area and/or origin of name:
Type section: outcrop 1.5 mi east of Dowelltown, DeKalb Co., TN (Campbell, 1946). [Hass (1956) did not find Campbell's type section at designated distance, but he considered an exposure 3.1 mi east of Dowelltown on an abandoned part of TN Highway 26 as Campbell's type locality.]
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 ([ ]).