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National Geologic Map Database

Geologic Unit: Palo Pinto

Usage:

Palo Pinto Formation of Canyon Group (TX)
Palo Pinto Formation of Strawn Group (TX)
Palo Pinto Limestone of [†?]Whitt Group (TX)


Subunits:

(alphabetical) --all in TX: Balsora Limestone [unranked], Boone Creek Member, Hudson Bridge [Bed], Martin Lake Limestone [Bed], Oran Sandstone Member, Posideon Shale Member, Sanders Bridge Limestone [Bed], Wiles Limestone Member, Wynn Limestone Member.


Geologic age:

Late Pennsylvanian (Missourian)


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

Not designated. Origin of name not stated by author (Plummer, 1919).


AAPG geologic province:

Bend arch
Fort Worth syncline


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 ([ ]).