Mineral Hill Mine

Past Producer in Pima county in Arizona, United States with commodities Copper, Silver, Gold, Zinc, Lead, Molybdenum, Tungsten, Wollastonite
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. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10039575
MRDS ID M050359
Record type Site
Current site name Mineral Hill Mine
Alternate or previous names Old Azurite Mine, Copper Glance
Related records 10162108

Geographic coordinates

Geographic coordinates: -111.08763, 31.98651 (WGS84)
Relative position 2.2 KM NW OF HELMET PEAK.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Twin Buttes(quadrangle 1:24,000 scale)

Sells(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Santa Cruz(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 017S;016S 012E;012E 02;35 N2 (02); S2 (35) Arizona

Commodities

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

Comments on the commodity information

  • ORE NOT NECESSARILY CONFINED TO GARNET BEARING ROCK.

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Chrysocolla Ore
Covellite Ore
Galena Ore
Magnetite Ore
Malachite Ore
Molybdenite Ore
Pyrite Ore
Pyrrhotite Ore
Scheelite Ore
Smithsonite Ore
Sphalerite Ore
Tenorite Ore
Tetrahedrite Ore
Wollastonite Ore
Wulfenite Ore
Calcite Gangue
Epidote Gangue
Garnet Gangue
Hematite Gangue
Pyroxene Gangue
Quartz Gangue
Tremolite Gangue

Alteration

  • (Local) Partly Oxidized; Garnetized Limestone

Analytical data

Result ORE GRADES 3-20% CU WITH SMALL AMOUNTS OF SILVER.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -111.08763, 31.98651

Economic information

Geologic structures

Type of structure Local
Structure description Brecciated Limestone, Fault & Fracture Intersections, Mineral Hill Thrust Fault

Ore body information

  • General form IRREGULAR, TABULAR
    Depth to bottom 213.36M

Controls for ore emplacement

  • Garnetized Limestone Often At Fault & Fracture Intersections, And At Or Near Intrusive Contact

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1882
Year of first production 1882
Year of last production 1956

Mining district

District name Pima District

Land status

Ownership category Private

Production statistics

  • Year 1959
    Period 1880'S-1959
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^2% Cu, 0.5 Oz/T Ag, Minor Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 14g/mt
    Major Ore Copper Copper 2wt-pct

Workings at the site

  • Type of workings Underground
    Overall depth 213.36M

Comments on the workings information

  • SHAFT OPERATIONS WITH PRINCIPAL LEVELS AT 500, 600, & 700 FT BELOW THE COLLAR (IN 1922)

Comments on development

  • OPERATORS INCLUDED MINERAS CONSOLIDATED COPPER, BANNER MINING CO, MINERAL HILL CONSOLIDATED, EMPORER COPPER CO, COPPER KING CO, AZURITE COPPER & GOLD CO, MINERAL HILL MINING CO, BARNSDALL CORP, BANNER MINI NG CO

Reference information

Bibliographic references

  • Deposit

    MANUGA, 1942, PHD THESIS, UNIV OF AZ

  • Deposit

    COOPER, USGS BULL 1112

  • Deposit

    KEITH, 1974, ABM BULL 189, P. 135

  • Deposit

    STORMS & BOWMAN, 1957, USBM IC 7786

  • Deposit

    ABGMT FILE DATA

  • Deposit

    MACKENZIE, 1959, AZ GEOL SOC SOUTHERN AZ GUIDEBOOK II

  • Deposit

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

  • Other Database

    CIMRI

  • Production

    KEITH, 1974; ELSING & HEINEMAN, 1936

General comments

Subject category Comment text
Deposit ORE ALONG FAULT AND NEAR GRANITIC INTRUSIVES; ORE STEEPLY DIPPING AT SURFACE BUT FLATTENS TO NEARLY HORIZONTAL AT DEPTH. WOLLASTONITE IS DESCRIBED AS BEING "MINOR" TO "ABUNDANT".
Deposit THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M050359 WITH RECORD D000814 OF JAN WILT AND JAMES E. ELLIOT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEODORE, USGS ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1983 Peterson, Jocelyn A. U.S. Geological Survey
Updater 01-NOV-1992 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.