De Chelly Sandstone

Usage of Geologic Unit Name:
De Chelly Sandstone of Cutler Group (AZ*,CO*,NM*,UT)
De Chelly Sandstone Member of Cutler Formation (AZ*,CO,NM*,UT*)
Permian, Early*
De Chelley SandstoneD
De Chelly Sandstone in Canyon de Chelly National Monument.
Geologic Province:
Paradox basin*
Black Mesa basin*
Plateau sedimentary province
Areal Extent:
Type Locality:
Not designated. Named for Canyon de Chelly, Apache Co., AZ (Gregory, 1917).
Formation rank (alphabetical): Black Creek Member (AZ*), Fort Defiance Member (AZ), Hunters Point Member (AZ), Oak Springs Member (AZ), White House Member (AZ).
Unit Name History:
Named as a formation (Gregory and Stone, 1917). [Used earlier than 1917 but not well described.] Revised, reduced to member of Cutler Formation (Baker and Reeside, 1929). Areal limits (Baars, 1962). Revised, divided into Hunters Point, Oak Springs Cliffs, White House, Black Creek, and Ft. Defiance Members (Pierce, 1964) [GNC files]. Revised; Overview (Blakey, 1990). Overview (Condon, 1992).


Gregory, H.E. and Stone, R.W., 1917, Geology of the Navajo country; a reconnaissance of parts of Arizona, New Mexico, and Utah: U.S. Geological Survey Professional Paper, 93, 161 p.

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.

Baars, D.L., 1962, Permian system of Colorado Plateau: American Association of Petroleum Geologists Bulletin, v. 46, no. 2, p. 149-218.

Pierce, W.G., 1964, Internal correlation of the Permian DeChelly Sandstone-Defiance Plateau, Arizona; contributions to the geology of northern Arizona: Museum of Northern Arizona Bulletin, no. 40, p. 15-32.

Blakey, R.C., 1990, Stratigraphy and geologic history of Pennsylvanian and Permian rocks, Mogollon Rim region, central Arizona and vicinity: Geological Society of America Bulletin, v. 102, no. 9, p. 1189-1217.

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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Last modified: 1/7/2011