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National Geologic Map Database

Geologic Unit: Squaw Gulch

Usage:

Squaw Gulch Granite (AZ*)

[NOTE: The Squaw Gulch Granite is in the process of being formally renamed Santa Rita Gulch Granite (RESERVED), in accordance with the Department of the Interior's Secretarial Order 3404, issued on November 19, 2021, that identifies the term “squaw” as derogatory.]


Geologic age:

Jurassic*


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

Type area: along the middle reaches of Squaw Gulch [now called Santa Rita Gulch], east of Salero Mine, Santa Rita Mountains, Mount Wrightson quadrangle, Santa Cruz Co., AZ (Drewes, 1968).


AAPG geologic province:

Basin-and-Range province*


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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).