Usage:
Galiuro Volcanics (AZ*)
Subunits:
(alphabetical) --all in AZ: Apsey Conglomerate Member*, Aravaipa Member*, Hells Half Acre Tuff Member*, Holy Joe Member*.
Geologic age:
Tertiary*
Oligocene*
Miocene*
Type section, locality, area and/or origin of name:
Type section: in Galiuro Mountains at junction of Gila and San Pedro Rivers, about 45 mi northeast of Tucson and 6 mi east of Winkelman, south of Deer Creek coal field and Ash Creek, and at foot of Saddle Mountain, Gila basin (Stoyanow, 1936).
AAPG geologic province:
Basin-and-Range province*
Pedregosa 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 ([ ]).