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  3. Mineral Resource Data System (MRDS)

Fox

Past Producer in Lander county in Nevada, United States with commodity Gemstone
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10044675
MRDS ID M232237
Record type Site
Current site name Fox
Alternate or previous names Cortez Turquoise

Geographic coordinates

Geographic coordinates: -116.66149, 40.15658 (WGS84)

Site location context

Political divisions (FIPS codes)

Lander(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cortez Canyon(quadrangle 1:24,000 scale)

Crescent Valley(quadrangle 1:100,000 scale)

Winnemucca(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Humboldt(hydrologic unit)

Humboldt(hydrologic accounting unit)

Black Rock Desert-Humboldt(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Lander

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 027N 047E 34 Nevada

Commodities

Commodity Importance
Gemstone Primary

Materials information

Materials Type of material
Turquoise Ore

Alteration

  • (Local) Argillization Occurs Around The Veins

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert
    Rock unit name Slaven Chert
    Rock description Slaven Chert
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Devonian

Nearby scientific data

(1) -116.66149, 40.15658
ListMap

Economic information

Ore body information

  • General form TABULAR

Controls for ore emplacement

  • Stratigraphic Chert

Comments on the geologic information

  • GREENISH AND BLUE TURQUOISE OCCURS IN SILICIFIED, LIMONITIC VEINLETS ALONG BEDDING IN CHERT WHICH STRIKES N60 E AND DIPS 45 SE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Large
Significant No

Mining district

District name Cortez District

Comments on the production information

  • OVER 500,000 LBS. TURQUOISE PRODUCED, MUCH OF WHICH WAS ONLY FAIR COLOR

Comments on the workings information

  • SEVERAL OPEN CUTS AND NUMEROUS PITS

Comments on development

  • LARGEST TURQUOISE MINE IN THE STATE

Reference information

Bibliographic references

  • Deposit

    ROBERTS, R.J. ETA. (1967) GEOLOGY AND MINERAL DEPOSITS OF EUREKA CO. NEV N.B.M. BULL 64

  • Deposit

    STAGER H.K. (1977) GEOLOGY AND MINERAL DEPOSITS OF LANDER CO., N.B.M. BULL 88

  • Production

    STAGER, H.K., 1977

General comments

Subject category Comment text
Deposit LARGEST TURQUOISE MINE IN THE STATE WITH TOTAL PRODUCTION OVER 500,000 LBS. MUCH WAS OF ONLY FAIR COLOR, BUT HARD ENOUGH FOR ARTITICIAL COLORING DEVELOPEMENT CONSIST OF SEVERAL OPEN CUTS AND NUMEROUS PITS.
Deposit TURQUOISE OCCURS IN VEINLETS ALONG BEDDING IN CHERT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1980 Kirkham, Richard A. Nevada Bureau of Mines and Geology

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.