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National Geologic Map Database

Geologic Unit: Arline

Usage:

Arline Formation (GA,TN,VA)


Subunits:

Fetzer Tongue (TN,GA,VA).


Geologic age:

Late Ordovician (Mohawkian)


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

Notable exposures on both sides of valley of small stream tributary to Gallagher Creek, 2 mi southwest of railroad switch at Arline on Concord (TVA 138-SW) and Louisville (TVA 138-SE) quadrangles, eastern TN (Cooper, 1956).


AAPG geologic province:

Appalachian basin


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 ([ ]).