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United Western Mine

Past Producer in Mohave county in Arizona, United States with commodities Gold, Silver, Copper, Lead, Vanadium
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Production statistics
  18. Reserves and resources
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10027937
MRDS ID M004561
Record type Site
Current site name United Western Mine
Alternate or previous names Western Apex, Western Mine
Related records 10259502

Geographic coordinates

Geographic coordinates: -114.39386, 35.03641 (WGS84)
Elevation 866
Relative position 1 MILE NW OF OATMAN, ABOUT 2.2 MILES NE OF LELAND BUTTE.

Site location context

Political divisions (FIPS codes)

Mohave(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Oatman(quadrangle 1:24,000 scale)

Davis Dam(quadrangle 1:100,000 scale)

Kingman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Havasu-Mohave Lakes(hydrologic unit)

Lower Colorado(hydrologic accounting unit)

Lower Colorado(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management AZ)

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

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Arizona Mohave

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 019N 020W 15 CENTER OF W2 OF NE4 Arizona

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Tertiary
Lead Tertiary
Vanadium Critical Tertiary

Materials information

Materials Type of material
Chalcocite Ore
Chrysocolla Ore
Gold Ore
Pyrite Ore
Wulfenite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Trachyte
    Rock unit name Oatman Andesite;Gold Road Latite;Alcyone Trachyte
    Rock description Oatman Andesite;Gold Road Latite;Alcyone Trachyte

Nearby scientific data

(1) -114.39386, 35.03641
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Nnw To Wnw Trending Vein And Fault System In Tert Volcanic Rocks

Ore body information

  • Length 457.2M
    Width 13.72M

Controls for ore emplacement

  • Faulting, Fracturing

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1925
Year of first production 1927
Year of last production 1940
Production years 1927 - 1928 , 1935

Mining district

District name San Francisco District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner-Operator
    Owner Sun River Mining Corp.
    First year 1987

Production statistics

  • Year 1940
    Period 1927 - 1940
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^0.300 Toz Au/St
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 8g/mt

Reserves and resources

  • Type In-situ
    Estimate year 1988
    Total resources 332000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 5.647 g/mt Gold Major 1988
  • Type In-situ
    Estimate year 1986
    Total resources 90000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 5.647 g/mt Gold Major 1986
  • Type In-situ
    Estimate year 1987
    Total resources 53000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 7.313 g/mt Gold Major 1987

Comments on the reserve resource information

  • RESERVE ESTIMATE IS BASED ON 10,000 FT OF UNDERGROUND WORKING AND APPROXIMATELY 10,000 FT OF DIAMOND DRILLING. THERE ARE SEVERAL POSSIBLE EXTENSIONS ALONG THE UNITED WESTERN VEIN OF ORE-GRADE MINERAL ON BOTH SIDES OF THE MINE.

Workings at the site

  • Type of workings Underground
    Length 2438.4M
    Overall depth 259.08M

Comments on the workings information

  • SHAFT 735 FT DEEP WITH LEVELS AT 300, 500, 700 FT. A WINZE CONNECTS THE 700 LEVEL TO DRIFTS AT 850 FT LEVEL CONNECTED WITH THE UNITED EASTERN.

Comments on development

  • PREVIOUS OWNERS AND OPERATORS INCLUDE FISCHER WATT MINING CO. (1986), CONSOLIDATED GOLD MINING CO, BEE AND BAYLISS, WESTERN APEX MINING, DAYTON CONSOLIDATED, JOHNSON, WINTER, E.G. ASHCRAFT, VIVIAN MINING CO, SUN VALLEY GOLD CORP. CONSISTS OF 3 AND 1/2 CLAIMS. 1984-86: FISCHER WATT IDENTIFIED RESERVE THAT REQUIRED MILLING. ; ECON.COM: THE MINE CLOSED BECAUSE OF THE CLOSURE OF THE CONTRACTED MILL.

Reference information

Bibliographic references

  • Deposit

    GARDNER, E.D., 1936, GOLD MINING AND MILLING IN THE BLACK MOUNTAINS, WESTERN MOHAVE COUNTY, ARIZONA: U.S.B.M. INFORMATION CIRCULAR 6901, P. 37.

  • Deposit

    USGS BULL 743, 1923, PLATE 1.

  • Deposit

    ABGMT-USBM FILE DATA.

  • Deposit

    ABGMT CLIPPINGS FILES.

  • Deposit

    ADMR FILE DATA.

  • Deposit

    NORTHERN MINER, 1988, SUN VALLEY REHABILITITING UNITED WESTERN MINE SHAFT: NORTHERN MINER, V. 74, NO. 38, P. 17.

  • Deposit

    NIEMUTH, N.J., 1987, ARIZONA MINERAL DEVELOPMENT 1984-1986: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY 29, 46 P.

  • Deposit

    SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: UNITED STATES BUREAU OF MINES SPECIAL PUBLICATION, 334 P.

  • Other Database

    CIMRI

  • Production

    U.S.B.M. I.C. 6901, P. 38.

  • Reserve-Resource

    THE NORTHERN MINER, 1988, P. 17; NIEMUTH, 1987; SAWYER AND OTHERS, 1992.

General comments

Subject category Comment text
Deposit ORE DEPOSITED IN FRACTURES.
Deposit Discovery Year: 1920'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1979 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey
Updater 01-NOV-1992 Orris, Greta J. U.S. Geological Survey
Updater 01-MAY-1994 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site

Authoritative Arizona resources

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