Usage:
Halgaito Formation of Cutler Group (AZ*,CO*,NM*,UT*)
Halgaito Member of Cutler Formation (AZ*,CO*,UT*)
Halgaito Tongue of Cutler Formation (AZ*,UT*)
Geologic age:
early Permian (Wolfcampian)*
Type section, locality, area and/or origin of name:
Notable exposures near Halgaito Spring, southwest of Mexican Hat (Bluff PO), UT, but btw. Lees Ferry and Kayenta, northeastern AZ (Baker and Reeside, 1929).
AAPG geologic province:
Black Mesa basin*
Paradox basin*
San Juan basin*
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 ([ ]).