Usage:
Go John Diorite (AZ)
Geologic age:
Mesoproterozoic
Type section, locality, area and/or origin of name:
Junction of Willow Springs Wash and Cave Creek, in sec. 20, T. 6 N., R. 4 E., Cave Creek quadrangle, northern Maricopa Co., AZ. Named from Go John Mountain. (Doorn and Pewe, 1991).
AAPG geologic province:
Basin-and-Range province
Southwestern Basin-and-Range region
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 ([ ]).