Usage:
Comanche Point Member of Dox Formation of Unkar Group of Grand Canyon Supergroup (AZ*)
Geologic age:
Mesoproterozoic*
Type section, locality, area and/or origin of name:
Type section: exposures in bed of unnamed creek tributary to Tanner Canyon, 1.6 km west of Comanche Point, southeast side of river between Tanner Canyon and Comanche Creek, eastern Grand Canyon of the Colorado River, Vishnu Temple quadrangle, Coconino Co., AZ (Stevenson and Beus, 1982).
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 ([ ]).