Usage:
Hotauta Conglomerate of Unkar Group of Grand Canyon Supergroup (AZ*)
Hotauta Conglomerate Member of Bass Limestone (AZ)
Hotauta Formation (AZ)
Geologic age:
Mesoproterozoic*
Type section, locality, area and/or origin of name:
Named from Hotauta Canyon, north side of Colorado River, Grand Canyon, Shinumo quadrangle, Coconino Co., northern AZ, in lower part of which the geologic section was measured (Noble, 1914).
AAPG geologic 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 ([ ]).