Usage:
Manakacha Formation of Supai Group (AZ*)
Geologic age:
Middle Pennsylvanian (Atokan to Desmoinesian?)*
Type section, locality, area and/or origin of name:
Type section: on Apache Trail east of Supai Village. Named from Manakacha Point on east side of Havasu Canyon directly above Supai Village, Grand Canyon, Coconino Co., AZ (McKee, 1975).
AAPG geologic province:
Plateau sedimentary 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 ([ ]).