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Gold Bar Mine

Past Producer in Yavapai county in Arizona, United States with commodities Gold, Silver, Copper, Quartz
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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. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  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 10027623
MRDS ID M003555
Record type Site
Current site name Gold Bar Mine
Alternate or previous names O'Brien, Black Bear, Homestake, Little Jim, Crown, Interior Mining and Trust Co., Jenny Lynn
Related records 10137414

Geographic coordinates

Geographic coordinates: -112.56992, 34.08478 (WGS84)
Elevation 1036
Relative position 15 MILES BY ROAD NE OF WICKENBERG.

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Morgan Butte(quadrangle 1:24,000 scale)

Bradshaw Mountains(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Hassayampa(hydrologic unit)

Lower Gila-Agua Fria(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Yavapai

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 009N 003W 33 NE OF NE Arizona

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Secondary
Quartz Tertiary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Quartz Gangue

Alteration

  • (Local) Minor To None

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Paleocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -112.56992, 34.08478
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Precambrian Schist And Gneiss Trends N25e To N65e
Type of structure Local
Structure description Veins (And Genetically-Related(?)) Dikes Trend N10w To N40w And Crosscut Precambrian Fabric

Ore body information

  • Strike N 70 E
    Dip 30 NW
    Plunge 30
    Plunge direction SW
    Length 15.24M
    Width 12.19M

Controls for ore emplacement

  • Faulting, Shearing, Igneous Activity - Dikes

Comments on the geologic information

  • RHYOLITE OR ANDESITE DIKES OF PROBABLE MID-TERTIARY AGE CUT PRECAMBRIAN IGNEOUS AND METAMORPHIC ROCKS.

Economic information about the deposit and operations

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

Mining district

District name Black Rock District

Ownership information

  • Type Operator
    Owner Sunshine Mining Co.
    First year 1986

Production statistics

  • Year 1907
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^2 Oz. Au/Ton, 3 Oz. Ag/Ton, 49 % Fe, 15 % Si, 15 % S
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    SIL Silica Silica 15wt-pct
    Ore Iron Iron 49wt-pct
    Trace Ore Silver Silver 85g/mt
    Major Ore Gold Gold 56g/mt
    Ore Sulfur Sulfur 15wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1986
    Total resources 9000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 16.943 g/mt Gold Major 1986

Workings at the site

  • Type of workings Underground
    Overall depth 213.36M

Comments on development

  • EXPLORATION IN 1986 BY SUNSHINE MINING.

Reference information

Bibliographic references

  • Deposit

    WILSON, E.D., 1934, ARIZONA LODE GOLD MINES AND GOLD MINING: ARIZONA BUREAU OF MINES BULLETIN 137, P. 63

  • Deposit

    PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P

  • Deposit

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

  • Other Database

    CIMRI

  • Reserve-Resource

    NIEMUTH, 1987.

General comments

Subject category Comment text
Deposit DEPOSIT IS HIGH-ANGLE QUARTZ VEIN WHICH IS ASSOCIATED WITH.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 Gere, W. U.S. Geological Survey
Updater 01-FEB-1979 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey
Updater 01-OCT-1981 Laraba, Peter (Dewitt, Ed) Arizona Bureau of Geology and Mineral Technology
Updater 01-FEB-1993 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.