Big Chief

Past Producer in Lander county in Nevada, United States with commodities Gold, Silver, Tungsten, Molybdenum, Copper, Lead
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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Production statistics
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10044885
MRDS ID M232506
Record type Site
Current site name Big Chief
Alternate or previous names Lakin, Gold Acres Mine

Geographic coordinates

Geographic coordinates: -116.75287, 40.25547 (WGS84)
Elevation 1646
Relative position 1/2 MILE WEST OF GOLD ACRES MINE

Site location context

Political divisions (FIPS codes)

Lander(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ferris Creek(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)

Geographic areas

Country State County
United States Nevada Lander

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 028N 046E 36 Nevada

Commodities

Commodity Importance
Gold Primary
Silver Primary
Tungsten Critical Secondary
Molybdenum Tertiary
Copper Tertiary
Lead Tertiary

Materials information

Materials Type of material
Powellite Ore
Scheelite Ore

Alteration

  • (Local) Pyrometasomatic Skarn Assemblage Of Tremolite Scapolite, Jasperiod, And Calc-Silicates Has Replaced Much Of The Country Rocks.

Mineral occurrence model information

Model code 42
USGS model code 14a
Deposit model name W skarn

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert
    Rock unit name Valmy Formation
    Rock description Valmy Formation

Nearby scientific data

(1) -116.75287, 40.25547

Economic information

Geologic structures

Type of structure Regional
Structure description Deposit In Upper Plate Of Roberts Mtn Thrust
Type of structure Local
Structure description Across, On The West Side Of The Gold Acres Normal Fault

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Proximity To Intrusive, Favorable Horizon

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Bullion

Production statistics

  • Year 1954
    Material W
    Accuracy Accurate
    Description Ap_Grade: ^0.35 Percent Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Wo3 Tungsten Tungsten 0wt-pct

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    USBM (WINNEMUCCA) MILS NO. 54, REFERENCE NO. 3201500004

  • Deposit

    WRUCKE, C.T. (1974) GEOLOGIC MAP OF THE TENABO AREA, LANDER CO NEV, USGS MAP MF-647

  • Deposit

    NBM BULL., STAGER, H.K. (IN PREP. JAN. 1984)

General comments

Subject category Comment text
Deposit IGNEOUS CONTACT ZONE; SKARN CONTAINING SCHEELITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1980 Kirkham, Richard A. Nevada Bureau of Mines and Geology
Updater 01-JAN-1984 Blaskowski, Michael J. (Elliott, James E.) U.S. Geological Survey

Beyond USGS

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

Authoritative Nevada resources

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