Usage:
Signal Granite (AZ*)
Geologic age:
Mesoproterozoic*
Type section, locality, area and/or origin of name:
Between town of Signal in SW/4 sec. 9, T. 13 N., R. 13 W., and Eagle Point in E/2 sec. 7, T. 12 N., R. 13 W., Artillery Peak 15-min quadrangle, Mohave Co., west-central AZ (Lucchitta and Suneson, 1982).
AAPG geologic province:
Southwestern Basin-and-Range region*
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 ([ ]).