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National Geologic Map Database

NGMDB

Geologic Unit: Belle Plains

Usage:

Belle Plains Formation of Wichita Group (TX*)
Belle Plains Group (TX)


Subunits:

GROUP STATUS (alphabetical) --all in TX: Elm Creek Limestone, Jim Ned Shale, Valera Shale.
FORMATION STATUS (alphabetical) --all in TX: Bead Mountain Limestone Member*, Bluff bone bed (informal), Elm Creek Limestone Member*, Jim Ned Shale Member*, Valera Shale Member*, Voss Shale Member*.


Geologic age:

Early Permian*


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

Named from town of Belle Plains, Callahan Co., central northern TX (Plummer and Moore, 1922).


AAPG geologic province:

Bend arch*


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 16:56:39 2014