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National Geologic Map Database

Geologic Unit: Shubuta

Usage:

Shubuta Member of Yazoo Formation of Jackson Group (AL*,MS*)
Shubuta Clay Member of Yazoo Clay of Jackson Group (MS)
Shubuta Member of Yazoo Clay of Jackson Group (AL,LA?)


Geologic age:

early Tertiary (late Eocene)*


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

Type locality: east side of Chickasawhay River, just north of U.S. Highway 45 bridge east of Shubuta, in SW/4 sec. 3, T. 10 N., R. 16 E., Clarke Co., eastern MS (Murray, 1947).


AAPG geologic province:

Arkla basin[?]
Mid-Gulf Coast 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 ([ ]).