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National Geologic Map Database

Geologic Unit: Wichita

Usage:

Wichita Group (TX*)
Also called /Wichita-Albany Group (TX) in some reports.

[The use of a hyphen between undifferentiated [groups] is not considered proper notation (CSN, 1933).]


Subunits:

(alphabetical) --all in TX: Admiral Formation*, Bead Mountain Formation, Beaverburk Limestone, Belle Plains Formation*, Bluff bone bed (informal), Camp Creek Shale, [†?]Clyde Formation*, Lueders Formation or Lueders Limestone*, Moran Formation*, Nocona Formation, Petrolia Formation, Pueblo Formation*, Putnam Formation*, Saddle Creek Limestone, Stockwether Limestone, Waggoner Ranch Formation, Waldrip Shale.


Geologic age:

Early Permian (Cisuralian; Leonardian)*


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

Named from Wichita River and Wichita Co., northern TX (US geologic names lexicon, USGS Bull. 896).


AAPG geologic province:

Bend arch*
Fort Worth syncline*
Palo Duro 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 ([ ]).