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National Geologic Map Database

Geologic Unit: Wichita

Usage:

/Wichita Granite Group (OK*, and TX-subsurface?)

[Preoccupied. Name previously applied to Wichita [Group] of Cummins (1890) in TX. A group name combines a geographic name with the term "group," and no lithic designation is included (ACSN, 1961, 1970; NACSN, 1983, 2005).]


Subunits:

(alphabetical) --all in OK: Headquarters Granite, Long Mountain Formation, Lugert Granite, Mount Scott Granite, Quanah Granite, Reformatory Granite.


Geologic age:

Middle Cambrian*


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

Not designated. Named from mountains in Comanche and Kiowa Cos., OK, where unit is well exposed (Ham and others, 1964).


AAPG geologic province:

South Oklahoma folded belt*
Palo Duro basin
Anadarko 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 ([ ]).