Usage:
Willow Tuff Member of Fulstone Spring Volcanics (NV*)
Geologic age:
Middle Jurassic*
Type section, locality, area and/or origin of name:
Type section: 1.5 km south and 10 deg. W. of Willow Spring, in sec. 23, T. 14 N., R. 23 E., Mount Como and Lincoln Flat 7.5-min quadrangles [1993 ed.], Yerington region, northern Buckskin Range, Douglas Co., west-central NV. Named from Willow Spring in the north-central Buckskin Range, [in SE/4 sec. 14, T. 14 N., R. 23 E., Lincoln Flat 7.5-min quadrangle (1993 ed.), Douglas Co., west-central NV] (Proffett and Dilles, 2008).
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 ([ ]).