Usage:
Dox Formation of Chuar Group of Grand Canyon Supergroup (AZ)
Dox Sandstone of Chuar Group of Grand Canyon Supergroup (AZ*)
Subunits:
(alphabetical) --all in AZ: Comanche Point Member, Escalante Creek Member, Ochoa Point Member.
Geologic age:
Mesoproterozoic*
Type section, locality, area and/or origin of name:
Named from Dox Castle, north side of Colorado River, in Shinumo quadrangle, underneath which a typical section is found beneath Tonto group, which makes the castle, Grand Canyon, Coconino Co., northern AZ (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 ([ ]).