Bunker Hill Mine

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

Geologic information

Identification information

Deposit ID 10048152
MRDS ID M800199
Record type Site
Current site name Bunker Hill Mine
Alternate or previous names Duco Boy, Old Bradshaw Workings

Geographic coordinates

Geographic coordinates: -112.49268, 34.08312 (WGS84)
Elevation 1018
Relative position 4 MILES NNW OF BLACK BUTTE

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Copperopolis(quadrangle 1:24,000 scale)

Bradshaw Mountains(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Agua Fria(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 002W 32 SW OF NE OF NW Arizona

Comments on the location information

  • UTM COORDINATES TO SHAFT ON BUNKE HILL GROUP OF PATENTED CLAIMS

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Secondary
Lead Tertiary
Vanadium Critical Tertiary
Molybdenum Tertiary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Silver Ore
Sphalerite Ore
Barite Gangue
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Minor Fe-Staining

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Amphibole Schist
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -112.49268, 34.08312

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Precambrian Schist Trends N20e To N50e. Tertiary Volcanics Dip Ne, Strike Nw

Ore body information

  • General form TABULAR
    Strike N60W TO N70W
    Dip 80
    Thickness 1.68M

Controls for ore emplacement

  • Faulting, Shearing

Comments on the geologic information

  • DEPOSIT IS QUARTZ VEIN LOCALIZED ALONG LOW-ANGLE FAULT WHICH PROBABLY DISPLACES TERTIARY VOLCANIC ROCKS TO THE SOUTHEAST. DEPOSIT AGE PROBABLY MIOCENE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1870
Discoverer Mr. Bradshaw (Bradshaw Mountains Named After Him)
Year of first production 1933
Year of last production 1935

Mining district

District name Castle Creek District

Ownership information

  • Type Operator
    Owner Wallace, L.
  • Type Owner
    Owner Glen Arm Land Co, Phoenix
    First year 1970

Workings at the site

  • Type of workings Underground
    Length 54.25M
    Overall depth 47.55M

Comments on the workings information

  • ALSO INCLINE TUNNEL 200 FT LONG. 3 MAIN SHAFTS, BUNKER HILL, NEW DISCOVERY ANNEX

Comments on development

  • 10 PATENTED CLAIMS, BUNKER HILL 1-5, SUNNYSIDE, SUNSET, SUNRISE, FOSTER, BRADSHAW WORKINGS

Reference information

Bibliographic references

  • Deposit

    AZ DEPT MIN RES FILE DATA (UNDER DUCO BOY)

  • Deposit

    USBM-ABGMT FILE DATA

  • Deposit

    USGS BULL 782, P. 183-184

General comments

Subject category Comment text
Deposit BUNKER HILL IS SOMEWHAT UNLIKE OTHER DEPOSITS IN THE CASTLE CREEK DISTRICT AND MAY BELONG IN THE BLACK ROCK DISTRICT DUE TO THE HIGH-ANGLE VEINS AND LACK OF SPECULARITE-CHRYSOCOLLA ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1981 Laraba, Peter (Dewitt, Ed) Arizona Bureau of Geology and Mineral Technology

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Arizona resources

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