Iron Mountain Deposits

Past Producer in Sierra county in New Mexico, United States with commodities Lead, Copper, Silver, Gold, Fluorine-Fluorite, Iron, Beryllium, Tungsten, Zinc, Molybdenum

Geologic information

Identification information

Deposit ID 10089321
MRDS ID W017012
Record type Site
Current site name Iron Mountain Deposits
Alternate or previous names Iron Mountain Orebodies: Tungsten Reef, Scheelemite, Parker Strike, Horse's Head, Backslope, Scheelemite Gem, Hot Spot, Lucky Strike, Black Bed, Beryllium Reef, Upper Star, Lower Star, Beryllium Queen, Beryllium King, Beryllium Chief, Hot Spot Extension, Reef Extension, Jackpot No. 1, Jackpot No. 2, Jackpot Extension, Talus, Brown, Old Adit, Little Hot Spot: Principal Claims: Iron Age No. 1, Iron Age No. 2, Iron Age No. 4, Iron Age No. 5, Iron Mountain, Iron Mt. No. 1, Iron Mt. No. 2, Iron Mt. No. 3, Iron Mt. No. 4, Alloy No. 1, Iron Reef, Alloy No. 3, Alloy No. 4, Western, Western No. 4, Iron Ridge No. 1, Iron Ridge No. 2, Florence No. 1, Florence No. 3, Florence No. 2, Florence No. 5, Florence No. 7, Florence No. 9, Florence No. 10, Florence No. 11, Florence No. 13, Florence No. 14, Continental No. 1, Continental No. 2, Grandview, Allow Fraction, North Extension, Parker Fraction, Continental Fraction.
Related records 10248123

Geographic coordinates

Geographic coordinates: -107.63754, 33.46871 (WGS84)
Elevation 2408
Location accuracy 1000(meters)
Relative position ABOUT 35 MILES N 45 W OF TRUTH OR CONSEQUENCES, Within A Radius Of 3000 Feet., Within A Radius Of 3000 Feet., Within A Radius Of 3000 Feet., Within A Radius Of 3000 Feet.
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Geographic areas

Country State County
United States New Mexico Sierra

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 010S;009S 008W 2,3;35,36 New Mexico

Comments on the location information

  • LOCATION IS ACCURATE FOR IRON AGE NO. 1 CLAIM NEAR THE CENTER OF THE IRON MOUNTAIN DEPOSITS.

Commodities

Commodity Importance
Lead Primary
Copper Primary
Silver Primary
Gold Primary
Fluorine-Fluorite Primary
Iron Tertiary
Beryllium Tertiary
Tungsten Tertiary
Zinc Tertiary
Molybdenum Tertiary

Comments on the commodity information

  • ANALYTICAL DATA FROM HARRER AND KELLY, 1963

Materials information

Materials Type of material
Anglesite Ore
Fluorite Ore
Galena Ore
Garnet Ore
Gold Ore
Helvite Ore
Hematite Ore
Magnetite Ore
Malachite Ore
Powellite Ore
Pyroxene Ore
Scheelite Ore
Smithsonite Ore
Sphalerite Ore
Wulfenite Ore
Calcite Gangue
Quartz Gangue

Analytical data

Result CHARACTER SAMPLE OF MAGNETITE-TACTITE CONTAINED 40.1 % FE
Result 38.4 % SIO2
Result 0.26 % P
Result 0.12 % S
Result 0.1 % TIO2
Result 0.1 % MN: METALLURGICAL SAMPLE CONTAINED 27.8 % FE
Result 27.2 % SIO2
Result 22.7 % CAF2
Result 0.16 % S
Result 0.12 % TIO2
Result 0.1 % P
Result 1.6 % MN
Result SPECTOGRAPHIC ANALYSIS OF LAST SAMPLE INDICATED 1 % TO 10 % ZN
Result 0.1 % TO 1 % PB AND SN
Result 0.01 % TO 0.1 % BE, CO, CU, IN, NI AND RB
Result 0.001 % TO 0.01 % AG, CR, CS, GA, V AND ZR.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Monzonite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Pennsylvanian
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Magdalena Group
    Rock description Magdalena Group

Nearby scientific data

(1) -107.63754, 33.46871

Geologic structures

Type of structure Local
Structure description See Comments

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Sedimentary Rocks Were Intruded By Igneous Masses Which Replaced Favorable Rock Types By Contact Metasomatism And Altered Other Sedimentary Rocks By Simple Metamorphism.

Comments on the geologic information

  • FOR GENERAL GEOLOGY SEE SIERRA CUCHILLO DISTRICT

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both metallic and non-metallic
Deposit size Medium
Significant No
Discovery year 1885
Discovery method Ore-Mineral In Place
Year of last production 1953

Mining district

District name Sierra Cuchillo

Land status

Ownership category State

Ownership information

  • Type Owner
    Owner Imperial Corp.
  • Type Owner
    Owner Blanchard Hanson
  • Type Owner
    Owner Parker, T. C.
  • Type Owner
    Owner State Of New Mexico
    Home office New Mexico
  • Type Owner
    Owner Saratoga Mining Co.
  • Type Owner
    Owner Continental Machines Inc.
  • Type Owner
    Owner Alloy Metals Co.
  • Type Owner
    Owner Imperial Corp - Principal Owner
    First year 1976

Comments on the production information

  • REPORTED PRODUCTION AMOUNTS TO A FEW TONS OF PB-CU 0RE, 71 TONS OF FLUORITE ORE, 400 TONS OF TUNGSTEN ORE FROM THEPARKER STRIKE AREA AND ABOUT 4 CARLOADS FROM SCHEELITE GEM.

Comments on the workings information

  • WORKINGS ARE MOSTLY EXPLORATORY TRENCHES, OPENCUTS, SHORT ADITS AND SHALLOW SHAFTS.

Comments on development

  • USBM PERFORMED EXTENSIVE EXPLORATION, MAPPING AND SAMPLING DURING 1942-1943 INCLUDING TRENCHES TOTALING 5100 FT IN LENGTH, 975 FT OF DIAMOND DRILLING, AND 670 FT OF UNDERGROUND EXPLORATION BY ADITS, SHAFTS AND RAISES.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS W017012

Bibliographic references

  • Deposit

    HARLEY, G.T., 1934 NMBMMR BULL 10, P. 118

  • Deposit

    JAHNS, R.H., 1944 USGS BULL 945-C, 34 PAGES

  • Deposit

    STORMS, W.R., 1947 USBM RI-4024, 13 PAGES

  • Deposit

    STORMS, W.R., 1947 USBM RI-4035, 5 PAGES

  • Deposit

    LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S.: USGS MAP, MR-25.

  • Deposit

    HARRER, C., KELLY, F., 1963 USBM IC-8190, P.74-78

  • Deposit

    WILLIAMS, F.E., 1966 USBM IC-8307, P.113-114

  • Deposit

    NMBMMR GENERAL FILE DATA

  • Deposit

    DALE, V., MCKINNEY, W., 1959 USBM RI-5517, P.56-65

  • Production

    DALE AND MCKINNEY, 1959 P.57-58; WILLIAMS, 1966 P114

General comments

Subject category Comment text
Deposit Discovery Year: 1880'S
Deposit DEPOSITS CONSIST OF LARGE, IRREGULAR TO ROUGHLY TABULAR BODIES OF TACTITE COMPOSED CHIEFLY OF MAGNETITE, GARNET AND PYROXENE. TACTITE INCLUDES THREE DISTINCT VARIETIES, A DARK-COLORED MAGNETITE-FLUORITE-HELVITE RIBBON ROCK, A LIGHTER-COLORED SILICATE-RICH RIBBON ROCK, AND A FLUORITE-RICH MASSIVE TACTITE. THE PROPERTY CONSISTS OF ONE PATENTED CLAIM, 6 CLAIMS ON STATE LAND AND 27 UNPATENTED CLAIMS.
Deposit THIS RECORD CONTAINS DATA FROM RECORD D001317 BY JAMES E. ELLIOTT WHICH HAS BEEN DELETED FROM MRDS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-76 Weeks, Robert New Mexico Bureau of Mines and Mineral Resources
Updater 01-MAR-81 Menzie, David New Mexico Bureau of Mines and Mineral Resources
Updater 01-JUN-74 Elliott, James E. U.S. Geological Survey