No current usage.
(†Pacific Quartz Latite (NM) replaced with Davis Canyon Tuff, Shelley Peak Tuff, and Bloodgood Tuff. See Davis Canyon, Shelley Peak, and Bloodgood.)
Tertiary
Oligocene
Not synopsized to date.
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 ([ ]).