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National Geologic Map Database

Geologic Unit: Kayenta

Usage:

Kayenta Formation of Glen Canyon Group (AZ*,CO*,UT*)
Kayenta Formation (NV*)


Subunits:

(alphabetical): Cedar City Tongue (UT*), Tenney Canyon Tongue (AZ*,UT*).


Geologic age:

Controversial.
Late(?) Triassic or Early Jurassic


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

Type locality: in Comb Ridge, 1 mi northeast of Kayenta, [in northwest corner of Kayenta East 7.5-min quadrangle], Navajo Co., Navajo Indian Reservation, northeastern AZ (Baker and others, 1936).


AAPG geologic province:

Black Mesa basin*
Great Basin province*
Paradox basin*
Plateau sedimentary province*
San Juan basin*


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 ([ ]).