Seligman Member of Toroweap Formation (AZ*)
Seligman Limestone of Kaibab Group (UT)
early Permian (Leonardian)*
Aubrey Cliffs northwest of Seligman, Coconino Co., AZ (Sorauf and Billingsley, 1991).
Reference section: from southwest corner sec. 12, T. 33 N., R. 9 W., to top of Huricane Cliffs, Whitmore Point 7.5-min quadrangle, Mohave Co., AZ (Sorauf and Billingsley, 1991).
Plateau sedimentary province*
Basin-and-Range province*
Paradox 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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).