Iron Cap Mine

Past Producer in Gila county in Arizona, United States with commodities Copper, Silver, Gold, Uranium
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. Reporter information

Geologic information

Identification information

Deposit ID 10046318
MRDS ID M241224
Record type Site
Current site name Iron Cap Mine
Alternate or previous names Iron Cap and Williams Shafts
Related records 10161343

Geographic coordinates

Geographic coordinates: -110.76847, 33.42675 (WGS84)
Elevation 1250
Relative position ABOUT 0.7 MILES SOUTH SOUTHWEST OF BLACK PEAK

Site location context

Political divisions (FIPS codes)

Gila(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Globe(quadrangle 1:24,000 scale)

Globe(quadrangle 1:100,000 scale)

Mesa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Salt(hydrologic unit)

Salt(hydrologic accounting unit)

Salt(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Gila

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 001N 015E 15 NE OF SW Arizona

Comments on the location information

  • LOCATION GIVEN IS FOR THE IRON CAP SHAFT; WILLIAMS SHAFT IS ABOUT 2000 FT NORTH EAST OF THE IRON CAP SHAFT ; INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Copper Primary
Silver Primary
Gold Secondary
Uranium Tertiary

Materials information

Materials Type of material
Chalcocite Ore
Cuprite Ore
Malachite Ore
Pitchblende Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Dripping Springs Quartzite;Pinal Schist
    Rock description Dripping Springs Quartzite;Pinal Schist
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -110.76847, 33.42675

Economic information

Geologic structures

Type of structure Regional
Structure description Ne Trending Faults, N-S Trending Faults, Diabase Sill At Base Of Dripping Springs Quartzite. Pinal Schist Also Underlies Quartzite In Places
Type of structure Local
Structure description Ne

Ore body information

  • General form LINEAR
    Strike NE
    Dip 40 NW
    Thickness 7.62M

Controls for ore emplacement

  • Ne Trending Fault Zone

Comments on the geologic information

  • MINERALIZATION PROBABLY ASSOCIATED WITH ETERT, POST-DIABASE FAULTING AND INTRUSION PERIOD. ALTHOUGH ONLY OUTCROP OF ETERT SCHULTZE GRANITE IS AT OLD DOMINION MINE TO SW.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1908
Year of last production 1963

Mining district

District name Globe Hills District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Gentry, Howard
    First year 1959
  • Type Operator
    Owner Dale Fiscus
    First year 1963
  • Type Owner
    Owner Tenny, Carl
    First year 1959
  • Type Owner
    Owner Mc Intosh, H. P.
    First year 1959

Workings at the site

  • Type of workings Underground
    Length 1524M
    Overall depth 457.2M
    Overall length 1219.2M

Comments on the workings information

  • IRON CAP SHAFT WAS 1500 FT DEEP WITH LEVELS AT 800, 920, 1020, 1120, 1220, 1320, 1420, 1500 FT; WILLIAMS SHAFT WAS 1200 FT DEEP WITH LEVELS AT 660, 765, 868, 968, 1068 FT; SHAFT CONNECTED AT 1000 FT LEVEL BY 3800 FT OF DRIFT

Comments on development

  • CONSISTS OF IRON CAP AND BIRD GROUPS OF CLAIMS; PREVIOUS OWNERS/OPERATORS INCLUDE IRON CAP MINING CO., NATIONAL MINING EXPLORATION CO. (1906) IRON CAP COPPER CO. (1910'S AND 1920'S); RALPH HENDERSON; LOUIS RACINE AND SHAPAN (1958); HOWARD GENTRY, H. P. MCINTOSH, AND CARL TENNY (1959); CHAS. IRELAND. THE MINE IS RUMORED TO HAVE SHIPPED URANIUM ORE TO THE CURIES IN FRANCE AROUND 1912

Reference information

Bibliographic references

  • Deposit

    ABGMT CLIPPINGS FILES

  • Deposit

    ABGMT-USBM FILE DATA

  • Deposit

    ADMR FILE DATA

  • Deposit

    USGS PP 342, P. 106-110

  • Deposit

    AZ MINING JOURNAL, NOV. 1919, P. 42; MAY 1, 1922, P. 24-25

  • Deposit

    NEALE, W. G., THE MINES HANDBOOK, VOL. XVII, 1926, P. 285-287

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1982 Roth, Frances A. (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.