Usage:
Kwagunt Formation of Chuar Group of Grand Canyon Supergroup (AZ*)
Subunits:
(alphabetical) --all in AZ*: Awatubi Member, Carbon Butte Member, Walcott Member.
Geologic age:
Neoproterozoic*
Type section, locality, area and/or origin of name:
[Type locality not stated.] Entire formation exposed from lower parts of Kwagunt Canyon northwestward to summit of Nankoweap Butte [Nankoweap Mesa and Point Imperial 7.5-min quadrangles], eastern Grand Canyon, Grand Canyon National Park, Coconino Co., northern AZ (Ford and Breed, 1973).
Named from Kwagunt Canyon [in Nankoweap Mesa, Cape Solitude, and Walhalla Plateau 7.5-min quadrangles], eastern Grand Canyon, Grand Canyon National Park, Coconino Co., northern AZ (Ford and Breed, 1973). [Labeled Kwagunt Valley on some topographic maps.]
AAPG geologic province:
Plateau sedimentary province*
Southern Rocky Mountain region*
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 ([ ]).