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- Usage in publication:
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- Sweetwater Creek Formation
- Modifications:
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- Named
- Dominant lithology:
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- Sandstone
- Phyllite
- AAPG geologic province:
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- Piedmont-Blue Ridge province
Summary:
The Sweetwater Creek Formation of the Great Smoky Group is here named in the Greater Atlanta Region, GA. It consists of poorly sorted, coarse, blue-quartz conglomeratic sandstone and graphitic phyllite. Gradationally overlies the Etowah Formation, with the boundary placed where coarse clastics constitute more than 50% of the unit. Gradationally underlies the Dean 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 ([ ]).