U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Churchill Canyon Tuff Member*
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Tuff
  • AAPG geologic province:
    • Great Basin province
Publication:

Proffett, J.M., and Dilles, J.H., 2008, Lower Mesozoic sedimentary and volcanic rocks of the Yerington region, Nevada, and their regional context, IN Wright, J.E., and Shervais, J.W., eds., Ophiolites, arcs, and batholiths; a tribute to Cliff Hopson: Geological Society of America Special Paper, 438, p. 251-288.


Summary:

Pg. 262 (fig. 4), 264, 285 (App. 1). Churchill Canyon Tuff Member of Fulstone Spring Volcanics. Plagioclase-rich welded tuff with biotite and hornblende. Thickness up to 250 m. Underlies latite and dacite porphyry domes and flows (unit 4) and overlies porphyritic flows, breccia, and tuff-breccia (unit 2) of the Fulstone Spring. Age is considered Middle Jurassic.
Type section: 0.5 km west of and 1 to 2 km northwest of Fulstone Number 3 Spring, in secs. 12, 13, and 24, T. 14 N., R. 23 E., Lincoln Flat 7.5-min quadrangle [1993 ed.], Lyon and Douglas Cos., Yerington region, northern Buckskin Range, west-central NV. Named from Churchill Canyon, located immediately northwest of Buckskin Range.

Source: Publication.


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 ([ ]).

Accessibility FOIA Privacy Policies and Notices

USA Gov U.S. Department of the Interior | U.S. Geological Survey
Supported by the National Cooperative Geologic Mapping Program
Page Contact Information: Personnel
Page Last Modified: Thu 28 Aug 2025 03:14:07 PM MDT