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National Geologic Map Database

NGMDB

Geologic Unit: Kiamichi

Usage:

Kiamichi Formation of Fredericksburg Group (NM,OK*,TX*, and LA*-subsurface)
Kiamichi Formation of Washita Group (LA-subsurface)
Kiamichi Formation (AR*)
Kiamichi Shale (TX)
Kiamichi Clay Member of Georgetown Limestone (AR,OK?,TX)


Geologic age:

late Early Cretaceous (Albian)*


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

Named from historic plains of the Kiamitia [correctly spelled Kiamichi] River near Fort Towson, Choctaw Co., OK (Hill, 1891).


AAPG geologic province:

Fort Worth syncline*
Strawn basin*
Permian basin*
Ouachita folded belt*
South Oklahoma folded belt*


NGMDB

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 ([ ]).

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Page Last Modified: Tue Jun 3 17:15:08 2014