Usage:
/Saddle Mountain Andesite (NV)
[Not proposed in accordance with ACSN (1961). Preoccupied. Name previously applied to Saddle Mountain porphyry by Bain (1900) in OK, Saddle Mountain Lava by Williams (1932) in CA, and Saddle Mountain Diorite by Dott (1965) in OR.]
Geologic age:
early Tertiary (Oligocene)
Type section, locality, area and/or origin of name:
Notable exposures in Grant Range, NV (Scott, 1966).
AAPG geologic province:
Great Basin 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 ([ ]).