Usage:
No current usage.
(†Wallaces Peak Tuff Member of Needles Range Formation (UT) is synonym of Three Creeks Tuff Member of Bullion Canyon Volcanics. See Three Creeks.)
Geologic age:
Tertiary
Oligocene
Type section, locality, area and/or origin of name:
North slope of Wallaces Peak, in sec. 11, T. 27 S., R. 15 W., Beaver Co., UT (Best and others, 1973).
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 ([ ]).