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National Geologic Map Database

Geologic Unit: Lipan

Usage:

No current usage.
(†Lipan Beds (TX) abandoned. Rocks now included in Wellborn and Caddell Formations of Jackson Group. See Wellborn and Caddell.)


Geologic age:

early Tertiary (late Eocene)


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

Notable exposures in Lipan Hills, east of Campbellton [Atascosa Co.], and their extensions to northeast and southwest, where they form a north-facing escarpment which is traceable in a broken line for 20 mi or more, southern Texas coastal plain (Dumble, 1924).


AAPG geologic province:

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 ([ ]).