Usage:
Superstition Tuff (AZ*)
Subunits:
(alphabetical) --all in AZ*: Canyon Lake Member, Dogie Spring Member, Siphon Draw Member.
Geologic age:
Tertiary*
Miocene*
Type section, locality, area and/or origin of name:
Not designated. Named from exposures in the Superstition Wilderness area, Superstition Mountains, Pinal Co., AZ. Composite of type sections of its three members in Superstition and Goldfield Mountains, Maricopa and Pinal Cos., AZ (Stuckless and Sheridan, 1971).
AAPG geologic province:
Basin-and-Range 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 ([ ]).