U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Fulstone Spring

Usage:

Fulstone Spring Volcanics (NV*)


Subunits:

(alphabetical) --all in NV*: Churchill Canyon Tuff Member, Willow Tuff Member.


Geologic age:

Middle Jurassic*


Type section, locality, area and/or origin of name:

Type section: 1,000 to 3,000 m west of Standard Slag Mine [formerly Minnesota Mine], in secs. 23 and 24, T. 14 N., R. 23 E., Mount Como and Lincoln Flat 7.5-min quadrangles [1993 ed.], near and west of Fulstone Number 3 Spring, Yerington region, northern Buckskin Range, Douglas Co., west-central NV. Named from Fulstone Number 3 Spring, 1.5 km west of Standard Slag Mine, 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 ([ ]).