Halgaito Member of Cutler Formation

Usage of Geologic Unit Name:
Halgaito Tongue of Cutler Formation (AZ*,UT*)
Halgaito Member of Cutler Formation (AZ*,CO*,UT*)
Halgaito Formation of Cutler Group (AZ*,CO*,NM*,UT*)

Halgaito Member
Halgaito Member is responsible for the red landscape around Mexican Hat in southern Utah.

Permian, Early*
Geologic Province:
Black Mesa basin*
Paradox basin*
San Juan basin*
Areal Extent:
Type Locality:
Not designated. Named for Halgaito Spring, southwest of Medicine Hat, Navajo Co., AZ (Baker and Reeside, 1929).
Unit Name History:
Named as basal tongue of Cutler Formation (Baker and Reeside, 1929). Assigned as basal formation of Cutler Group (Wengerd and Matheny, 1958). Overview (Condon, 1992).


Baker, A.A. and Reeside, J.B., Jr., 1929, Correlation of the Permian of southern Utah, northern Arizona, northwestern New Mexico, and southwestern Colorado: American Association of Petroleum Geologists Bulletin, v. 13, no. 11, p. 1413-1448.

Wengerd, S.A. and Matheny, M.L., 1958, Pennsylvanian system of the Four Corners region: American Association of Petroleum Geologists Bulletin, v. 42, no. 9, p. 2048-2106.

Condon, S.M., 1992, Geologic framework of pre-Cretaceous rocks in the Southern Ute Indian Reservation and adjacent areas, southwestern Colorado and northwestern New Mexico, IN Geology and mineral resources of the Southern Ute Indian Reservation: U.S. Geological Survey Professional Paper, 1505-A, p. A1-A56.

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* show accepted USGS usage.
Note that data on this page contains information that has been partly revised from bibliographic resources available via the National Geologic Map Database GEOLEX:
The URL is: https://gotbooks.miracosta.edu/gonp/coloradoplateau/lexicon/halgaito.htm
Last modified: 1/7/2011