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National Geologic Map Database

Geologic Unit: Welge

Usage:

Welge Sandstone Member of Wilberns Formation of Moore Hollow Group (TX)
Welge Sandstone Member of Wilberns Formation (TX*)


Geologic age:

Late Cambrian*


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

Type section: exposure along Squaw Creek, approx. 0.5 mi north of Gillespie Co. line. Named from Welge land survey between Threadgill and Squaw Creeks, in Gillespie Co., TX (Bridge and others, 1947).


AAPG geologic province:

Llano uplift*


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 ([ ]).