Usage:
Carbon Butte Member of Kwagunt Formation of Chuar Group of Grand Canyon Supergroup (AZ*)
Geologic age:
Neoproterozoic*
Type section, locality, area and/or origin of name:
Type section: Carbon Butte section E, [about 0.5 mi south-southwest of Carbon Butte, approx. Lat. 36 deg. 10 min. 03 sec. N., Long. 111 deg. 50 min. 36 sec. W., Cape Solitude 7.5-min quadrangle], eastern Grand Canyon, Grand Canyon National Park, Coconino Co., northern AZ (Ford and Breed, 1973).
Named from prominent shelf of red sandstone surrounding Carbon Butte, [about 1 mi west of Temple Butte and 2.5+ mi southwest of confluence of Colorado and Little Colorado Rivers, Lat. 36 deg. 10 min. 33 sec. N., Long. 111 deg. 50 min. 32 sec. W., Cape Solitude 7.5-min quadrangle], eastern Grand Canyon, Grand Canyon National Park, Coconino Co., northern AZ (Ford and Breed, 1973).
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 ([ ]).