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National Geologic Map Database

Geologic Unit: Gorman

Usage:

Gorman Formation of Ellenburger Group (TX*)


Geologic age:

Early Ordovician*


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

Type section: vicinity of Gorman Falls, along and near gorge of the Colorado River, San Saba Co., TX (Cloud and others, 1946; Cloud and Barnes, 1948 [1946]).


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 ([ ]).