No current usage.
(†Minersville Tuff Member of Needles Range Formation (UT) replaced with Wah Wah Springs Tuff Member of Needles Range Formation. See Wah Wah Springs.)
Tertiary
Oligocene
Occurrence in Minersville Canyon of Beaver River, Beaver Co., UT (Mackin, 1960).
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 ([ ]).