Bunker Hill Mine

Producer in Pinal county in Arizona, United States with commodities Copper, Lead, Silver, Gold
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. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10048309
MRDS ID M899873
Record type Site
Current site name Bunker Hill Mine
Related records 10162162

Geographic coordinates

Geographic coordinates: -110.47929, 32.73732 (WGS84)
Elevation 1280
Relative position IN MULBERRY WASH, 1 MILE NNE OF SOMBRERO BUTTE

Site location context

Political divisions (FIPS codes)

Pinal(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rhodes Peak(quadrangle 1:24,000 scale)

Mammoth(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower San Pedro(hydrologic unit)

San Pedro-Willcox(hydrologic accounting unit)

Middle 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 Pinal

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 008S 018E 14 W OF CENTER Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Copper Primary
Lead Primary
Silver Secondary
Gold Secondary

Materials information

Materials Type of material
Argentite Ore
Chalcocite Ore
Chalcopyrite Ore
Galena Ore
Tetrahedrite Ore
Barite Gangue
Calcite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Copper Creek Granodiorite
    Rock description Copper Creek Granodiorite
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -110.47929, 32.73732

Economic information

Geologic structures

Type of structure Regional
Structure description Ew Trending Faults, Ene Trending Faults In Granodiorite, Major Nnw Trending Fault W Of Mine
Type of structure Local
Structure description Small N10w-N20w Faults Near Breccia, Main Fissure N 20w, Joint Planes Ew, Steep Dip

Ore body information

  • Strike N 70 W
    Dip VERTICAL

Controls for ore emplacement

  • Fracture Zone Intersections Near Quartz Diorite Porphyry Dikes

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1917
Year of last production 1964

Mining district

District name Bunker Hill District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner Little Hill Mines
    Home office Oracle Arizona
    First year 1964
  • Type Owner
    Owner Fred E. Lehman And Little Hill Mines

Workings at the site

  • Type of workings Underground
    Length 1524M
    Overall depth 121.92M

Comments on the workings information

  • AT LEAST 5 LEVELS AND AT LEAST 1600 FT DRIFTS, 1000 FT. CROSSCUTS LENGTH OF WORKINGS ESTIMATED. 2 SHAFTS AND ONE OR MORE ADITS.

Comments on development

  • OPERATORS INCLUDED BUNKER HILL COPPER, ARIZONA BUTTE OPERATING, S PACIFIC ORE. 6 UNPATENTED CLAIMS IN 1964, DRILLING AND SHAFT REPAIRING IN 1964

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit JOINT PLANES IN DEPOSIT STRIKE E-W DIP 80-85S. FISSURE FILLING PROMINENT PROCESS, SONE EVIDENCE OF REPLACEMENT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1982 Gest, Don E. Arizona Bureau of Geology and Mineral Technology

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.