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National Geologic Map Database

Geologic Unit: Capitan

Usage:

Capitan Limestone (NM*,TX*)
Capitan Formation (NM,TX)


Geologic age:

Middle Permian (Guadalupian)*


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

Named from El Capitan Peak which is formed of the limestone; located at southern end of Guadalupe Mountains, [Lat. 31 deg. 52 min. 38 sec. N., Long. 104 deg. 51 min. 29 sec. W., Guadalupe Peak 7.5-min quadrangle], El Paso Co. [now in Culberson Co.], TX (Richardson, 1904).


AAPG geologic province:

Permian basin*
Orogrande 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 ([ ]).