USGS Visual Identifier
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Geologic Unit: Wilhite

Usage:
Wilhite Formation of Walden Creek Group of Ocoee Supergroup (TN*,NC*,GA)
Wilhite Formation of Ocoee Group (GA)

Age:
Precambrian*
Proterozoic, Late*
Cambrian, Early
Geologic Province:
Appalachian basin*
Piedmont-Blue Ridge province*

Areal Extent:
TN*
NC*
GA

Type Locality:
Wilhite Creek, Sevier Co., eastern TN (Keith, 1895).

Subunits:
Dixon Mountain Member (TN*), Yellow Breeches Member (TN*)

Unit Name History:
Named Wilhite slate (Keith, 1895).
Age modified; Extended into GA (Furcron and others, 1947).
Revised (Rodgers, 1953).
Revised to Wilhite formation, members assigned; Age modified (King and others, 1958).
Overview (Hamilton, 1961).
TN State Geol. Map usage (Hardeman and others, 1966).
Extended into NC; Overview (Hadley and Nelson, 1971).
NC State Geol. Map usage (Brown and others, 1985).
Controversial age assignment; Biostratigraphic dating (Unrug and Unrug, 1990).
Biostratigraphic dating (Walker and Driese, 1991.)
Isotopic dating (Kish, 1991).
Age discussed (Rodgers, 1991).
More age debate (Unrug and others, 1991).

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