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Mineral Hill Mine

Producer in La Paz county in Arizona, United States with commodities Copper, Iron, Silver, Gold, Beryllium
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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. Land status
  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 10027722
MRDS ID M003958
Record type Site
Current site name Mineral Hill Mine
Alternate or previous names Continental
Related records 10234532

Geographic coordinates

Geographic coordinates: -114.01329, 34.23226 (WGS84)
Elevation 305
Relative position 2.5 MI. FROM PLANET AND 20 MI. N. OF BOUSE.

Site location context

Political divisions (FIPS codes)

La Paz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Osborne Well(quadrangle 1:24,000 scale)

Parker(quadrangle 1:100,000 scale)

Needles(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Bill Williams(hydrologic unit)

Bill Williams(hydrologic accounting unit)

Lower Colorado(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona La Paz

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 010N 017W 03 Arizona

Commodities

Commodity Importance
Copper Primary
Iron Primary
Silver Secondary
Gold Secondary
Beryllium Critical Tertiary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Chrysocolla Ore
Malachite Ore
Pyrite Ore
Quartz Gangue

Alteration

  • (Local) Limestone Replaced By Specular Hematite.

Analytical data

Result CHARACTER SAMPLE CONTAINED 38.1% FE, 0.1% MN, 0.1% TITANIA, 5.55% CU, 0.07% P, 0.36 S, 27.6% SIO2
Result SPECTROGRAPHIC ANALYSIS INDICATED THE PRESENCE OF 1 TO 10% AL, CA, & CU
Result 0.1 TO 1.0% MG, MN, TI
Result 0.01 TO 0.1% CO, NI
Result AND 0.001 TO 0.01% U

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -114.01329, 34.23226
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description On Low-Angle Fault Zone
Type of structure Local
Structure description The Strata Which Form Mineral Hill Are Undoubtedly Continuous With Those Resting On The Gneiss In The Vicinity Of Planet, And Both Series Were Probably Lifted And Deformed At The Same Time. In General The Dip Varies From 30 Deg To 50 Deg Sw. Due To Folding And Faulting.

Ore body information

  • General form IRREGULAR
    Thickness 22.86M
    Length 670.56M
    Width 91.44M
    Depth to top 0M

Controls for ore emplacement

  • Ore In Fractures, Small Veins And Disseminated In Irregular Replacement Lenses Of Specular Hematite.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1900
Year of first production 1900
Year of last production 1970

Mining district

District name Planet District

Land status

Ownership category Private

Production statistics

  • Year 1970
    Period 1900-1970
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^1.7% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Copper Copper 2wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1961
    Total resources 1498000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 48.3 wt-pct Iron Major 1961

Workings at the site

  • Type of workings Underground
    Area 0.007HA
    Length 60.96M
    Overall depth 12.19M

Comments on the workings information

  • WORKINGS INCLUDE A SHAFT 150 FT DEEP AND 4 TUNNELS, ONE OF WHICH IS 400 FT LONG; ALSO SEVERAL OPEN CUTS.

Comments on development

  • PAST OPERATORS INCLUDE: POWDERED METALS CORP, ARIZONA RANCH AND METALS CO., R.A. DE LANO CO., AND OTHER VARIOUS SMALL OPERATORS; WORKED SPORADICALLY FROM EARLY 1900'S THROUGH 1970.

Reference information

Bibliographic references

  • Deposit

    USGS BULL 451, P. 55.

  • Deposit

    USBM IC 8236, P. 127.

  • Deposit

    ABM BULL 192, P. 173.

  • Deposit

    USBM-ABGMT PRODUCTION FILE DATA.

  • Deposit

    ADMR FILE DATA.

  • Deposit

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

  • Reserve-Resource

    SAWYER AND OTHERS, 1992.

General comments

Subject category Comment text
Deposit MINERALIZATION ASSOCIATED WITH LOW-ANGLE DETACHMENT FAULTING; OREBODIES ARE WITHIN AND IMMEDIATELY ABOVE THE FLINTY, CHLORITIC, MICROBRECCIATED DETACHMENT SURFACE. LIMESTONE REPLACEMENT BY HEMATITE WITH SUPERGENE ENRICHMENT FOLLOWED BY HYDROTHERMAL COPPER FRACTURE FILLING.

Reporter information

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