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Iron Mountain Mine

Past Producer in Shasta county in California, United States with commodities Copper, Gold, Sulfur-Pyrite, Silver, Sulfur, Zinc
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Geologic information

Identification information

Deposit ID 10189961
MRDS ID W025295
MAS/MILS ID 0060890368
Record type Site
Current site name Iron Mountain Mine
Alternate or previous names Number 8, Richmond, Brick Flat, Mattie, Hornet Mine, Confidence, Old Mine
Related records 10077593

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -122.5314, 40.68795 (WGS84)
Elevation 1000
Location accuracy 10(meters)
(click for info)

Geographic areas

Country State County
United States California Shasta

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 033 N 006 W 34 E2 California

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Sulfur-Pyrite Tertiary
Silver Secondary
Sulfur Tertiary
Zinc Secondary

Materials information

Materials Type of material
Calcite Unknown
Chalcopyrite Unknown
Inyoite Unknown
Pyrite Unknown
Quartz Unknown
Silver Unknown
Sphalerite Unknown

Nearby scientific data

Main Entrance (1) -122.5314, 40.68795
ListMap

Ore body information

  • Dip 30W
    Thickness 15M
    Depth to top 40M
    Width 125M
    Length 350M
    Area 15HA
    Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 UNKNOWN
    Type of Orebody #3 OTHER
    Shape of Orebody #3 MASSIVE
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control FAULTING
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 SERICITIC
    Type of Wallrock Alter. #3 PYRITIZATION
    Strike And Dip
    Minimum Depth to Top 10
    Avg. Thick. Unconsol. Mat. 8
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 15
    Date of Last Modification 830316

Comments on the geologic information

  • TYPE OF ORE BODY, THIRD CHOICE IS OTHER. IT IS IN FACT A MASSIVE SULFIDE ORE BODY.

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Both metallic and non-metallic
Deposit size Large
Significant No
Discovery year 1865
Year of first production 1879

Mining district

District name Shasta District

Land status

Ownership category Mixed

Ownership information

  • Type Owner-Operator
    Owner Stauffer Chemical Co. And Iron Mountain Mines 1956-1977
    Interest 100
    Home office California
    Year 1978

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 0060890368
USGS Mineral Resources Data System MRDS W025295 MAS references MRDS

Bibliographic references

  • Deposit

    CLAWSON R.F., 1969, SQUAW CR. CU INV., CAL. DEP. WAT. RES.

  • Deposit

    MEM. REPORT 29P.

  • Deposit

    ERIC J.H., 1948, TABULATION OF CU, DEP. OF CAL., PART 3 IN C

  • Deposit

    U IN CAL., CAL. DIV. MINES BULL 144, P197-387.

  • Deposit

    KINKLE A.R., HALL W.E., ALBERS J.P., 1956, GEO. AND BASE MET

  • Deposit

    AL DEPOSITS OF WEST SHASTA CO-ZN DISTRICT, SHASTA CO. CAL.,

  • Deposit

    USGS PROF. PAPER 285, 156P.

  • Deposit

    MOORE L., 1970, CU RES. AND PRODUCTION OF WEST SHASTA MINING

  • Deposit

    DISTRICT, USMB REP 85

  • Deposit

    HILLMAN C.T., SCHUMACHER, GOSLING, 1977, THE WEST SHASTA DIS

  • Deposit

    TRICT, SHASTA COUNTY CAL., USBM MAS REPORT, 40P.

  • Deposit

    HUTTL J.B., 1946, DIAMOND DRILLING FEATURES MT CUIS MINING,

  • Deposit

    ENGINEERING AND MINING JOURNAL, VOL. 147, NO. 9, P64-68.

  • Deposit

    KINKLE A.R., ALBEERS J.P., 1951, GEOL. OF THE MASSIVE SULFID

  • Deposit

    E DEPOSITS AT IRON MT CAL., CAL. DIV. OF MINES SPECIAL REPOR

  • Deposit

    T 14, 19P.

General comments

Subject category Comment text
Deposit SEE MAS SEQUENCE NO 0475 FOR BENEFICIATION AND UNDERGROUND MINING.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Hillman U.S. Bureau of Mines