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National Geologic Map Database

Geologic Unit: Kaibab

Usage:

Kaibab Limestone (AZ*,NV*,UT*)
Kaibab Limestone of Park City Group (NV*,UT*)
Kaibab Formation (AZ*,NV*,UT)
Kaibab Marble (CA*)
Kaibab Group (UT)


Subunits:

FORMATION STATUS (alphabetical): Fossil Mountain Member (AZ*,NV*,UT), Harrisburg Member (AZ*,NV*,UT*).


Geologic age:

early Permian (Leonardian)*


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

Not designated. Named from Kaibab Plateau, north side of Grand Canyon, Coconino Co., AZ (Darton, 1910).
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).


AAPG geologic province:

Plateau sedimentary province*
Black Mesa basin*
Paradox basin*
Salton basin*
Basin-and-Range province*
Great Basin 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 ([ ]).