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National Geologic Map Database

Geologic Unit: Holston

Usage:

Holston Formation (TN)
Holston Formation of Chickamauga Group (TN)
Holston Limestone (GA*,TN*,VA*)
Holston Marble of Chickamauga Group (TN*)


Geologic age:

Late Ordovician (Whiterockian to Mohawkian; late Chazyan to Turinian)*


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

Type locality: along and near Holston River, 7 mi east-northeast of center of Knoxville where Holston River leaves standard reference belt just south of the John Sevier yards; includes quarry of Volunteer Portland Cement Company, just west of Holston River, Knox Co., eastern TN (Rodgers, 1953).


AAPG geologic province:

Appalachian basin*


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 ([ ]).