Usage:
Quartz Mountain Basalt Member of Deer Butte Formation (OR)
Geologic age:
Tertiary
Miocene
Pliocene, early(?)
Type section, locality, area and/or origin of name:
Slope of Quartz Mountain, in SW/4 sec. 32, T. 24 S., R. 43 E., Mahleur Co., OR (Kittleman and others, 1965).
AAPG geologic province:
Snake River 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 ([ ]).