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National Geologic Map Database

Geologic Unit: Helen

Usage:

/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.]


Geologic age:

Neoproterozoic and/or early Paleozoic


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

Named from town of Helen, Helen 7.5-min quadrangle, White Co., GA (German, 1985).


AAPG geologic province:

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 ([ ]).