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National Geologic Map Database

Geologic Unit: Hueco

Usage:

Hueco Group (NM,TX)
Hueco Limestone (NM*,TX*)
Hueco Formation (NM*,TX)


Subunits:

GROUP STATUS (alphabetical): Alacran Mountain Formation (NM,TX), Cerro Alto Formation (TX) or Cerro Alto Limestone (NM,TX), Hueco Canyon Formation (NM,TX), Powwow Conglomerate (TX).
FORMATION STATUS (alphabetical): Deer Mountain Shale Member (TX*), Kriz Limestone Lens (TX), Pendejo Tongue (NM), Powwow Conglomerate Member (NM,TX*) or Powwow Member (TX*).


Geologic age:

Early Permian (Wolfcampian and Leonardian)*


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

Named from exposures in Hueco Mountains, El Paso Co. [now in Hudspeth Co.], TX (Richardson, 1904).


AAPG geologic province:

Orogrande basin*
Permian basin*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"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 ([ ]).