/Helen Member of Canton Formation of New Georgia Group (GA)
(†Canton Formation of †New Georgia Group abandoned by the USGS.)
[Preoccupied. Name previously applied to Helen Group by Nelson and Gillon (1985) in same area.]
Neoproterozoic and/or early Paleozoic
Named from town of Helen, Helen 7.5-min quadrangle, White Co., GA (German, 1985).
Piedmont-Blue Ridge province
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 ([ ]).