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National Geologic Map Database

Geologic Unit: Colina

Usage:

Colina Limestone of Naco Group (AZ*,NM*)


Geologic age:

Early Permian (Cisuralian; Wolfcampian and Leonardian?)*


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

Type section: on west slope of Colina Ridge, in Tombstone Hills, 4,000 feet south of Horquilla Peak, Cochise Co., southeastern AZ. Named from Colina Ridge (Gilluly and others, 1954).


AAPG geologic province:

Basin-and-Range province*
Pedregosa 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 ([ ]).