USGS Visual Identifier
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Geologic Unit: Brown Mountain

Usage:
Brown Mountain Granite of Crossnore Complex (NC*)

Age:
Precambrian*
Proterozoic, Middle*
Geologic Province:
Piedmont-Blue Ridge province*

Areal Extent:
NC*


Type Locality:
Exposures at Brown Mountain, in northeastern part of Linville Falls 15-minute quadrangle, NC (Reed, 1964).

Unit Name History:
Named (Reed, 1964).
Age modified (Bryant and Reed, 1970).
Revised; Age modified; Isotopic dating (Odom and Fullagar, 1984).
Not used (Brown and others, 1985).
Revised (Goldsmith and others, 1988).

Note: If you need more information, please contact Nancy Stamm (nstamm@usgs.gov).
Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().

Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).






U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
URL http://ngmdb.usgs.gov/ngmdb/ngm_catalog.ora.html
Database project personnel
Last modified: 15-Jan-2013