Oakland Mine

Past Producer in Yuma county in Arizona, United States with commodities Gold, Silver, Iron
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. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Production statistics
  16. Reserves and resources
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10102449
MRDS ID M002324
Record type Site
Current site name Oakland Mine
Alternate or previous names Davis Prospect
Related records 10186160

Geographic coordinates

Geographic coordinates: -113.68938, 33.36563 (WGS84)
Elevation 594
Relative position ABOUT 5 MILES EAST OF SHEEP TANK MINE.

Site location context

Political divisions (FIPS codes)

Yuma(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cementosa Wash(quadrangle 1:24,000 scale)

Little Horn Mountains(quadrangle 1:100,000 scale)

Phoenix(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Gila(hydrologic unit)

Lower Gila(hydrologic accounting unit)

Lower Gila(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 Yuma

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 001S 014W 10;03 SE (10) Arizona

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Iron Tertiary

Materials information

Materials Type of material
Gold Ore
Limonite Ore
Quartz Gangue

Analytical data

Result IN 1932, AN ASSAY SHOWED THE FIRST TWENTY FEET OF DEPTH ASSAYED SEVERAL DOLLARS IN GOLD PER TON, BUT THE LOWER PORTION OF THE SHAFT RAN LESS THAN $2 PER TON.

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -113.68938, 33.36563

Economic information

Ore body information

  • General form LENTICULAR/IRREGULAR
    Strike N55W
    Dip 50N

Economic information about the deposit and operations

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

Mining district

District name Sheep Tanks District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner Rea Gold Corp.
    Home office Vancouver, British Columbia
    First year 1986

Production statistics

  • Year 1950
    Period 1949-1950
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^12.5 Oz Au/Ton, 3.7 Oz Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 105g/mt
    Major Ore Gold Gold 353g/mt

Reserves and resources

  • Type In-situ
    Estimate year 1986
    Total resources 122000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 4.235 g/mt Gold Major 1986
    Silver Ag 55.059 g/mt Silver Minor 1986

Comments on the workings information

  • WORKINGS CONSIST OF A SHALLOW INCLINED SHAFT WITH A SHORT CROSSCUT AND AN INCLINED WINZE

Comments on development

  • DURING 1984-86, REA CARRIED OUT GEOLOGIC EVALUATION, SURFACE DRILLING PROGRAM, AND IDENTIFIED RESERVES. PROPERTY THEN RETURNED TO OWNERS.

Reference information

Bibliographic references

  • Deposit

    WILSON, E.D., 1933, GEOLOGY AND MINERAL DEPOSITS OF SOUTHERN YUMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 134, P. 140.

  • Deposit

    KEITH, S.B., 1978, INDEX OF MINING PROPERTIES IN YUMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 192, P. 174.

  • Deposit

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

  • Other Database

    CIMRI

  • Production

    KEITH, S.B., 1978

  • Reserve-Resource

    NIEMUTH, 1987.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 Gere, W. U.S. Geological Survey
Updater 01-NOV-1979 Hall, R. K. (Creasey, S. C.) U.S. Geological Survey
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

Authoritative Arizona resources

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