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National Geologic Map Database

Geologic Unit: Nocona

Usage:

Nocona Formation of Wichita Group (TX)


Geologic age:

Early Permian (Wolfcampian and Leonardian)


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

Stratotype: at river bluff about 3.6 mi north of Ringgold, Montague Co., TX. Origin of name not stated by author, but probably named from town of Nocona in Montague Co. (Hentz, 1988).


AAPG geologic province:

Bend arch
Palo Duro basin
Fort Worth syncline
South Oklahoma folded belt


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 ([ ]).