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National Geologic Map Database

Geologic Unit: Bransford

Usage:

Bransford Sandstone Bed of Gassaway Member of Chattanooga Shale (TN*)


Geologic age:

Late Devonian (Famennian)*


Type section, locality, area and/or origin of name:

Type section: at bridge and along a small stream northwest of bridge, along Highway 31E, 2 mi north of Bransford, Sumner Co., north-central TN (Campbell, 1946).


AAPG geologic province:

Cincinnati arch*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).