- Usage in publication:
-
- Etowah Formation
- Modifications:
-
- Named
- Dominant lithology:
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- Sandstone
- Argillite
- Metasandstone
- AAPG geologic province:
-
- Piedmont-Blue Ridge province
Summary:
The oldest unit of the Great Smoky Group in the Greater Atlanta Region is here named the Etowah Formation. It consists of interlayered metasandstones and meta-argillite with lenses of calc-silicate granofels. It is the basal unit in the Murphy synclinorium; grades upward into the Sweetwater Creek Formation. Age is Late Proterozoic and (or) early Paleozoic.
Source: GNU records (USGS DDS-6; Reston GNULEX).
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 ([ ]).