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National Geologic Map Database

Geologic Unit: Mineral Bluff

Usage:

Mineral Bluff Formation (GA,NC,TN)
Mineral Bluff Group (GA,NC)

Considered informal by the USGS. For informal usage, the rank or lithologic term should not be capitalized.


Subunits:

Group status (alphabetical) --all in GA,NC: Fort Butler Mountain Formation, Harshaw Bottom Quartzite, Marble Hill Hornblende Schist, Mission Mountain Formation, Peachtree Creek Formation.


Geologic age:

Precambrian
Proterozoic, Late
Cambrian(?)


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

Vicinity of Mineral Bluff, Mineral Bluff quadrangle, Fannin Co., northern GA; Cherokee Co., southwestern NC; and Polk Co., southeastern TN (Hurst, 1955).


AAPG geologic province:

Piedmont-Blue Ridge province


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 ([ ]).