Usage:
Yucca Mountain Tuff of Paintbrush Group (NV*)
Yucca Mountain Member of Paintbrush Tuff of Piapi Canyon Group (NV)
Yucca Mountain Member of Piapi Canyon Formation (NV)
Geologic age:
Miocene*
Type section, locality, area and/or origin of name:
Type locality: northwest end of mesa-like part of Yucca Mountain, in vicinity of southwestern part of Nevada Test Site, Topopah Spring 15-min quadrangle, Nye Co., southern NV. Named from Yucca Mountain (Lipman and Christiansen, 1964).
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 ([ ]).