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Geologic Units: Shoshone
Map showing publication footprint
  • Usage in publication:
    • Shoshone Volcanics
  • Modifications:
    • First used
  • AAPG geologic province:
    • Great Basin province
Publication:

Haefner, Richard, 1974, Geology of the Shoshone Volcanics, Death Valley region, eastern California, IN Guidebook; Death Valley region, California and Nevada; Field trip no. 1: Geological Society of America, Cordilleran Section, Guidebook for Field Trips, 70th annual meeting, Las Vegas, NV, p. 59-64.


Summary:

Shoshone Volcanics is applied to rhyolite flows and tuffs in the southern Eagle Mtn. and northern Shoshone 15' quads, Inyo Co, CA. Age is early and middle Pliocene.

Source: GNU records (USGS DDS-6; Menlo GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Shoshone Volcanics
  • Modifications:
    • Named
  • Dominant lithology:
    • Volcanics
  • AAPG geologic province:
    • Great Basin province
Publication:

Haefner, Richard, 1976, Geology of the Shoshone Volcanics, Death Valley region, eastern California: California Division of Mines and Geology Special Report, no. 106, p. 67-72.


Summary:

Shoshone Volcanics of Haefner (1974) are exposed almost continuously in a belt about 26 km (north to south) in the southern part of the Eagle Mtn. and the northern part of the Shoshone 15' quads, Inyo Co, CA. Is equivalent to part of the older volcanics of Drewes (1963) in the Funeral Peak 15' quad. Consists of four lithotypes: 1) gray perlitic vitrophyre, 2) red-brown to pinkish-gray felsophyre, 3) yellow felsophyre, and 4) yellow devitrified tuff. Is as thick as 900 m. Unconformably overlies Cambrian sedimentary rocks, Cenozoic quartz monzonite plutons, and older [Cenozoic] acid volcanic rocks; underlies Greenwater Volcanics. Age is early to middle Pliocene based on stratigraphic position.

Source: GNU records (USGS DDS-6; Menlo GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Shoshone Volcanics
  • Modifications:
    • Age modified
  • AAPG geologic province:
    • Great Basin province
Publication:

Wright, L.A., and Troxel, B.W., 1984, Geology of the northern half of the Confidence Hills 15-minute quadrangle, Death Valley region, eastern California: California Division of Mines and Geology Map Sheet, 34, 1 sheet, 31 p., scale 1:24,000


Summary:

Shoshone Volcanics (lower part) in the Dublin Hills, Inyo Co, CA are of [Miocene] age based on K-Ar ages of 8.2 +/-0.2 (plagioclase), 7.6 +/-0.2 (plagioclase), and 8.7 +/-0.1 (glass) Ma.

Source: GNU records (USGS DDS-6; Menlo GNULEX).


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 ([ ]).

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