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National Geologic Map Database

Geologic Unit: Fossil Mountain

Usage:

Fossil Mountain Member of Kaibab Formation (AZ*,NV*,UT)


Geologic age:

Early Permian (Leonardian)*


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

Type locality: Bass Trail on Fossil Mountain, Coconino Co., northern AZ (McKee, 1938; Sorauf and Billingsley, 1991).
Reference section: extends from southwest corner sec. 12, T. 33 N., R. 9 W., to top of Huricane Cliffs, Whitmore Point 7.5-min quadrangle, Mohave Co., northern AZ (Sorauf and Billingsley, 1991).


AAPG geologic province:

Basin-and-Range province*
Great Basin province*
Paradox basin
Plateau sedimentary province*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 ([ ]).