Usage:
Supai Formation (AZ*,CA*,NM*,NV*,UT*)
Supai Group (AZ*)
Subunits:
GROUP STATUS (alphabetical) --all in AZ: Esplanade Sandstone*, Manakacha Formation*, Pakoon Limestone, Watahomigi Formation *, Wescogame Formation*.
FORMATION STATUS (alphabetical) --all in AZ: Amos Wash Member, Cibecue Member*, Corduroy Member, Esplanade Sandstone Member, Fort Apache Member*, Kinishba Beds, [†?]Oak Creek Member, Packard Ranch Member.
Geologic age:
Pennsylvanian to early Permian (Morrowan to Wolfcampian)*; locally Late Mississippian (late Chesterian)*
Type section, locality, area and/or origin of name:
Named from conspicuous exposures at Supai village, on Cataract Creek, Coconino Co., northern AZ (Darton, 1910).
Type section (Supai Group): in Havasu Canyon, near village of Supai, on Cataract Creek, Coconino Co., northern AZ (McKee, 1975).
AAPG geologic province:
Basin-and-Range province*
Black Mesa basin*
Plateau sedimentary province*
Salton basin*
Great Basin province*
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 ([ ]).