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Map showing publication footprint
  • Usage in publication:
    • Star Peak group*
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Quartzite
    • Limestone
    • Slate
  • AAPG geologic province:
    • Great Basin province
Publication:

King, Clarence, 1876, Geological and topographical atlas accompanying the report of the geological exploration of the Fortieth Parallel [from the Sierra Nevada to the eastern slope of the Rocky Mountains], made by authority of the Honorable Secretary of War, under the direction of Brigadier and Brevet Major General A.A. Humphreys, Chief of Engineers, USA: Washington, D.C., U.S. Geological Exploration of the Fortieth Parallel (King), 12 sheets., See also U.S. War Dept., Chief Eng. Ann. Rpt., 1876, (U.S. 44th Cong., 2nd Sess., House of Representatives Exec. Doc. 1, pt. 2, v. 2, pt. 3) App. 2, p. 217-218


Summary:

Map 5 (Nevada Basin) and 1878 (U.S. Geol. Expl. 40th Parallel, v. 1, p. 267-278, 544). Star Peak group. Upper 10,000 feet of Triassic section in West Humboldt Range. In descending order: (1) Pure quartzite, 2200 to 2800 feet; (2) limestone, 1000+/- feet; (3) pure thinly bedded quartzite, 800 to 1000 feet; (4) heavy ferruginous limestones, 2000 feet; (5) black slates, 250 feet; (6) slaty quartzite, 1250 feet; dark carbonaceous limestone 1500 feet. Rests conformably on Koipato group.
Named for development at Star Peak Mtn., northwestern and northern NV.

Source: US geologic names lexicon (USGS Bull. 896, p. 2055).


Map showing publication footprint
  • Usage in publication:
    • Star Peak formation*
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Great Basin province
Publication:

Wheeler, E.A., 1940, Permian volcanism in western North America, IN Proceedings of the 6th Pacific Science Congress of the Pacific Science Association: 6th Pacific Science Congress Proceedings, Berkeley, Stanford, and San Francisco, CA, July 24-August 12, 1939, v. 1, p. 369-376.


Summary:

[Preprint 1939, pg. 369 373 (fig. 2)]. Overlies Weaver rhyolite. [Age is] Middle Triassic.

Source: US geologic names lexicon (USGS Bull. 1200, p. 3710).


Map showing publication footprint
  • Usage in publication:
    • Star Peak group*
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Great Basin province
Publication:

Wallace, R.E., Silberling, N.J., Irwin, W.P., and Tatlock, D.B., 1959, Preliminary geologic map of the Buffalo Mountain quadrangle, Nevada: U.S. Geological Survey Miscellaneous Field Studies Map, MF-220, 1 sheet, scale 1:48,000, See also Wallace and others, 1969, "Geologic map of the Buffalo Mountain quadrangle," USGS Geol. Quad. Map GQ-821, scale 1:62,500 [http://ngmdb.usgs.gov/Prodesc/proddesc_2639.htm]


Summary:

Rank raised to group. Includes Prida formation below and Natchez Pass formation. Overlies Weaver rhyolite of Koipato group with angular unconformity. Underlies Grass Valley formation, possible disconformity. [Age is Middle and Late Triassic.]

Source: US geologic names lexicon (USGS Bull. 1200, p. 3710).


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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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