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Mountain Con Mine

Past Producer in Silver Bow county in Montana, United States with commodities Copper, Lead, Silver, Zinc
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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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10124358
MAS/MILS ID 0300930169
Record type Site
Current site name Mountain Con Mine
Alternate or previous names Poulin

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -112.53259, 46.0227 (WGS84)
Elevation 1870
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Silver Bow(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Butte North(quadrangle 1:24,000 scale)

Butte North(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Montana Silver Bow

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 003 N 008 W 12 SESE Montana

Commodities

Commodity Importance
Copper Primary
Lead Primary
Silver Secondary
Zinc Critical Primary

Materials information

Materials Type of material
Argentite Unknown
Chalcopyrite Unknown
Galena Unknown
Pyrite Unknown
Quartz Unknown
Silver Unknown
Sphalerite Unknown

Nearby scientific data

Main Entrance (1) -112.53259, 46.0227
ListMap

Economic information

Ore body information

  • Strike S85W
    Dip 60S
    Thickness 1.9M
    Length 225M
    Width 137M
    Depth to top 245M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 BRECCIA FILL
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Strike And Dip S85W:60S
    Minimum Depth to Top 165
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 810929
  • Strike S85W
    Dip 80S
    Thickness 24.5M
    Length 1615M
    Width 185M
    Depth to top 90M
    Field Value
    MAS Matrix # 2
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 BRECCIA FILL
    Type of Orebody #3 SHEAR ZONE
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Strike And Dip S85W:80S
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 810929
  • Area 7HA
    Field Value
    Total Surface Area (HA) 7
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Butte District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner The Anaconda Copper Co.
    Interest 100
    Home office New York
    Year 1981

Comments on the production information

  • PRODUCTS LISTED ARE FOR THE OVERALL OPERATION AND NOT JUST THE MT.CON.MINE.

Workings at the site

  • Type of workings Underground
    Length 103519M
    Overall depth 320M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method SUBLEVEL CAVING 10-75
    Swell Factor .25
    Percent Waste Rock 16.7
    Percent Recovery 80
    Hardness of Rock SOFT SEMIPLASTIC WITH LITTLE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. UNSUPPORTING MAY SLOUGH
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 1
    Capacity 3846
    Capacity Units MT ORE/DAY
    Unit Production Cost 13.77
    Units of Production $/MT ORE
    Operating Days per Year 260
    Operating Shifts per Day 2
    Year of Information 1981
  • Type of workings Underground
    Length 103519M
    Overall depth 320M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method PROPOSED
    Mining Method SUBLEVEL CAVING 10-75
    Percent Waste Rock 16.7
    Percent Recovery 80
    Hardness of Rock SOFT SEMIPLASTIC WITH LITTLE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. UNSUPPORTING MAY SLOUGH
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 1
    Capacity 4197
    Capacity Units MT ORE/DAY
    Unit Production Cost 13.6
    Units of Production $/MT ORE
    Operating Days per Year 260
    Operating Shifts per Day 2
    Year of Information 1981
  • Type of workings Underground
    Overall depth 320M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 3
    Status of Mining Method PROPOSED
    Mining Method HORIZ CUT & FILL W/TAILINGS 10-60
    Percent Waste Rock 17.9
    Percent Recovery 85
    Hardness of Rock SOFT SEMIPLASTIC WITH LITTLE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. UNSUPPORTING MAY SLOUGH
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 1
    Capacity 441
    Capacity Units MT ORE/DAY
    Unit Production Cost 40.07
    Units of Production $/MT ORE
    Operating Days per Year 260
    Operating Shifts per Day 2
    Year of Information 1981

Comments on the workings information

  • POSSIBLE GROUND SUBSIDENCE ALONG THE SYNDICATE VEIN AS A RESULT OF SUBLEVEL CAVING WOULD BE THE MOST SERIOUS ENVIRONMENTAL CONCERN.

Comments on other economic factors

  • THE PRODUCTION ZINC-LEAD RATIO OF 5.75 TO 1 (MILLER,1973).

Reference information

Bibliographic references

  • Deposit

    BISHOP, L.F., 1945, VERTICAL SLICE AND SLOT STOPING AT

  • Deposit

    BUTTE: TRANS. AIME, V. 163, PP. 262-273.

  • Deposit

    BRIMHALL, G., 1975, PRIVATE ANACONDA COPPER COMPANY REPORT.

  • Deposit

    CORBETT, R.P., AND RALHP, F.E., 1968, DEWATERING WITH A

  • Deposit

    4,100 FT HEAD PUMPING PLANT: MINING CONGRESS JOURNAL,

  • Deposit

    V. 54, NO. 9, PP. 33-37.

  • Deposit

    ENGINEERING AND MINING JOURNAL, 1955, ANACONDA CHANGES

  • Deposit

    MINING TECHNIQUES AS BUTTE OUTPUT AND RESERVES CLIMB:

  • Deposit

    VO. 156, NO. 8, PP. 86-89.

  • Deposit

    -----1981, RAISE DRILLING: V. 182, NO. 2, PP. 96-103.

  • Deposit

    GAGE, H. L., THE BUTTE DISTRICT: BONNEVILLE POWER

  • Deposit

    ADMINISTRATION, PRIVATE REPORT, PP. 406-429.

  • Deposit

    GALE, G., 1981, METALLURGIST WITH THE U.S. BUREAU OF MINES

  • Deposit

    (W.F.O.C.)

  • Deposit

    HANNIFAN, M. K., 1972, MERITS OF OPEN PIT VS. UNDERGROUND

  • Deposit

    MINING IN BUTTE: MINING CONGRESS JOURNAL, V. 48, NO. 4,

  • Deposit

    PP. 119-123.

  • Deposit

    INGERSOLL, R., 1981, U.S. BUREAU OF MINES SUPERVISOR OF

  • Deposit

    INDIAN LAND EVALUATIONS (W.F.O.C.), AND FORMER CHIEF

  • Deposit

    GEOLOGIST OF ANACONDAS BUTTE OPERATIONS: WRITTEN AND

  • Deposit

    VERBAL COMMUNICATION

  • Deposit

    KAISER ENGINEERS, 1967, GLACIER PEAK PRELIMINARY FEASIBILITY

  • Deposit

    STUDY: PRIVATE REPORT PREPARED FOR KENNECOTT COPPER

  • Deposit

    CORPORATION.

  • Deposit

    KNOWLSON, J., 1981, PLANNING ENGINEER FOR THE ANACONDA

  • Deposit

    COMPANY, PERSONAL COMMUNICATION.

  • Deposit

    LEONARDSON, B., AND MC ALEER, J., 1981, EXPLORATION

  • Deposit

    GEOLOGIST FOR MOLYCORP. INC., PERSONAL COMMUNICATIONS.

  • Deposit

    LINFORTH, F. A., 1952, ZINC RESOURCES BUTTE AND MONTANA:

  • Deposit

    MINING AND CONTRACTING REVIEW, V. 59, NO. 4, P. 8.

  • Deposit

    MEYER, C., SHEA, E. P., GODDARD, C. C. JR., AND STAFF, THE

  • Deposit

    ANACONDA COMPANY, 1968, ORE DEPOSITS AT BUTTE, MONTANA:

  • Deposit

    IN ORE DEPOSITS OF THE UNITED STATES, 1933-1967, V. II,

  • Deposit

    CHAP. 65, PP. 1373-1416.

  • Deposit

    MILLER, R. M., 1973, PRODUCTION HISTORY OF THE BUTTE

  • Deposit

    DISTRICT AND GEOLOGICAL FUNCTION, PAST AND PRESENT: IN

  • Deposit

    GUIDEBOOK FOR THE BUTTE FIELD MEETING OF SOC. OF ECON.

  • Deposit

    GEOL., AUGUST 18-21, 1973, PP. F4-F10.

  • Deposit

    NORMAN, N. E., AND DYE, J. H., 1981, THE ECONOMICS OF

  • Deposit

    MECHANICAL RAISE BORING: V. 33, NO. 3, PP. 273-276.

  • Deposit

    PROFFETT, J. M. JR., 1973, STRUCTURE OF THE BUTTE DISTRICT,

  • Deposit

    MONTANA: IN GUIDEBOOK FOR THE BUTTE FIELD MEETING OF SOC.

  • Deposit

    OF ECON. GEOL., AUGUST 18-21, 1973, PP. G-2.

  • Deposit

    SALES, R. H., 1914, ORE DEPOSITS AT BUTTE, MONTANA: TRANS.

  • Deposit

    AIME, V. 46, PP. 1-94.

  • Deposit

    SALES, R. H., AND MEYER, C., 1944, PRELIMINARY STUDY OF VEIN

  • Deposit

    FORMATION, BUTTE, MONTANA: ECON. GEOL., V. 44, NO. 6,

  • Deposit

    PP. 465-484.

  • Deposit

    STOUT, K., 1980, MINING METHODS AND EQUIPMENT: MCGRAW-HILL,

  • Deposit

    INC., NEW YORK, NEW YORK, 218 PP.

  • Deposit

    STRAAM ENGINEERS, INC., 1979, CAPITAL AND OPERATING COST

  • Deposit

    ESTIMATING SYSTEM HANDBOOK: U.S. BUREAU OF MINES,

  • Deposit

    CONTRACT NO. J0255026, P. 374.

  • Deposit

    THOMPSON, B., 1981, SENIOR GEOLOGIST FOR THE ANACONDA

  • Deposit

    WEED, W. H., 1914, GEOLOGY AND ORE DEPOSITS OF THE BUTTE

  • Deposit

    DISTRICT, MONTANA: U.S. GEOLOGICAL SURVEY, PROF. PAPER 74,

  • Deposit

    262 PP.

  • Deposit

    WETZEL, N., 1979, MANGANESE RESOURCES OF THE BUTTE DISTRICT,

  • Deposit

    MONTANA: U.S. BUREAU OF MINES MINERALS AVAILABILITY

  • Deposit

    DEPOSIT EVALUATION REPORT.

  • Deposit

    WORLD MINING, ANACONDA'S EMMA - MODERN METHODS AND MACHINERY

  • Deposit

    DOUBLED HER OUTPUT; NO. 4, PP. 9-13.

  • Deposit

    MBMG BULL 82 1970 P20.

General comments

Subject category Comment text
Deposit THE ANACONDA COMPANY HAS NO PRESENT PLANS TO RESUME ZINC MINING BUT THE SYNDICATE VEIN RESOURCES AND THE NEAR SURFACE RESOURCES AROUND THE ALICE PIT ARE BEING REEVALUATED BECAUSE OF RECENT SILVER AND ZINC PRICE INCREASES. THIS EVALUATION INCLUDES FIVE BUTTE ZINC MINES WHICH HAVE THE LARGEST POTENTIALLY MINEABLE REMAINING RESOURCES. THE EVALUATION INCLUDES THE ALICE ANSELMO BADGER, LEXINGTON, AND MOUNTAIN CON. MINES. 1985 UPDATE. NO ACTIVITY AT MINE SINCE 1981. NARROW VEIN WIDTH AND LENGTHS ARE AVERAGES OF THREE RESOURCE BLOCKS.

Reporter information

Type Date Name Affiliation Comment
Reporter 11-JUN-85 Jayne - WFOC U.S. Bureau of Mines

Beyond USGS

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

External references

Maps centered on this site