Harmony

Producer in Free State, South Africa with commodities Gold, Silver, Sulfur, Uranium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10134644
MRDS ID W027869
MAS/MILS ID 7910150006
Record type Site
Current site name Harmony
Alternate or previous names Harmony Mine
Related records 10079053

Geographic coordinates

Geographic coordinates: 26.83479, -28.04654 (WGS84)
Elevation 1000

Site location context

Political divisions (FIPS codes)

Free State(province)

South Africa(country)

Africa(continent)

Land(continent)

Geographic areas

Country State
South Africa Free State

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Sulfur Secondary
Uranium Primary

Materials information

Materials Type of material
Gold Unknown
Silver Unknown

Nearby scientific data

(1) 26.83479, -28.04654

Economic information

Ore body information

  • Field Value
    MAS Matrix # 3
    MAS Column # 1
    Type of Orebody #1 PLACER
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control BEDDING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Date of Last Modification 850912
  • Area 9933HA
    Field Value
    Total Surface Area (HA) 9933
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Both
Deposit size Large
Significant Yes
Year of first production 1954
Milling method Hydrometallurgy Unspecified

Mining district

District name Orange Free State Gold Fields

Mineral rights holdings

Type of mineral rights Private Lease

Ownership information

  • Type Owner-Operator
    Owner Harmony Gold Mining Co. Ltd. (Barlow Rand Mining Group)
    Interest 100
    Home office South Africa
    Year 1982
  • Type Operator
    Owner Harmony Gold Mining Co. Ltd.
    Home office South Africa
    Year 1977

Production statistics

  • Year 1982
    Material Ore
    Ore mined 7700000mt
    Accuracy Estimate
    Description Production Same From 1982 Through 2006 7700000 Metric Tons Ore/Year
  • Year 1983
    Material Ore
    Ore mined 7700000mt
    Description 7700000 Metric Tons Ore/Year
  • Year 1984
    Material Ore
    Ore mined 7700000mt
    Description 7700000 Metric Tons Ore/Year
  • Year 1985
    Material Ore
    Ore mined 7700000mt
    Description 7700000 Metric Tons Ore/Year

Reserves and resources

  • Type In-situ
    Estimate year 1993
    Demonstrated 17970000mt ore
    Total resources 17970000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 6.4 g/mt Gold Major 1993

Comments on the reserve resource information

  • 1989 PROD.= 936,743 OZ.AU FROM TREATMENT OF 9,575,200 MT ORE. WAS UPDATED FOR THE 1992 AU AVAILABILITY STUDY. 1991 PROD. 716,157 OZ AU FROM TREATING 6,684,000 TNS ORE.
  • LEADER REEF QUANTITY VALUES, BASAL REEF QUANTITY VALUES, TOTAL QUANTITIES FROM BOTH REEFS

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method BREAST STOPING 10-30
    Percent Waste Rock 0
    Percent Recovery 100
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    Number of Shafts 6
    1st Condition of Workings UNKNOWN
    Capacity 22000
    Capacity Units MT ORE/DAY
    Unit Production Cost 36.62
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 2
    Year of Information 1982

Comments on other economic factors

  • BULLION IS SHIPPED IN RAND REFINERY ARMORED CARS, THE COST OF WHICH IS INCLUDED IN THE REFINING FEES
  • THE MILL 2 PRODUCES A URANIUM PRODUCT OF HIGH PURITY AMMONIUM DIURANATE SLURRY WHICH IS SOLD TO NUFCOR. THE CALCINED PRODUCT IS APPROXIMATELY 96% U3O8 WHEN IT IS SOLD TO NUFCOR INVESTMENT COSTS ARE NOT GIVEN SINCE NO PREPRODUCTION YEARS EXIST FOR THE HARMONY MILLS

Reference information

Bibliographic references

  • Reserve-Resource

    MINING JOURNAL SUPPLEMENT. NOV. 3,1978.

  • Reserve-Resource

    AME MINERAL ECONOMICS QUARTERLY MINE ANALYSIS, JUN 93,P. 32.

  • Deposit

    CHAMBER OF MINES OF SOUTH AFRICA, 1981, RAND REFINERY,

  • Deposit

    P.R.D. SERIES NO. 255, 20 PP.

  • Deposit

    CHAMBER OF MINES OF SOUTH AFRICA, 1980, GOLD IN SOUTH AFRICA

  • Deposit

    P.R.D. SERIES NO. 241, 28 PP.

  • Deposit

    CHAMBER OF MINES, 1980, OVERVIEW OF THE SOUTH AFRICAN

  • Deposit

    MINING INDUSTRY.

  • Deposit

    ELEVATORSKI, E.A., 1981, GOLD MINES OF THE WORLD, MINOBRAS,

  • Deposit

    PP 78-86.

  • Deposit

    POTTS, D., 1981, THE SOUTH AFRICAN GOLD MINING INDUSTRY IN

  • Deposit

    GOLD, CONSOLIDATED GOLD FIELDS LTD., PP 71-85.

  • Deposit

    ANHAEUSSER, C.R., 1976, THE NATURE & DISTRIBUTION OF ARCHEAN

  • Deposit

    GOLD MINERALIZATION IN SOUTHERN AFRICA, MINERALS SCI.

  • Deposit

    ENGINEERING, V. 8, NO. 1.

  • Deposit

    BOYLE, R.W., 1979, THE GEOCHEMISTRY OF GOLD & ITS DEPOSITS,

  • Deposit

    GEOLOGICAL SURVEY OF CANADA, BULLETIN 280, 584 PP.

  • Deposit

    HAUGHTON, S.H., 1964, THE GEOLOGY OF ORE DEPOSITS IN SOUTH

  • Deposit

    AFRICA, V. I, GOLD DEPOSITS OF THE WITWATERSRAND BASIN,

  • Deposit

    GEOL. SOC. S. AFR., JOHANNESBURG, 625 PP.

  • Deposit

    LIEBENBERG, W.R., 1972, MINERALOGICAL FEATURES OF GOLD ORES

  • Deposit

    IN SOUTH AFRICA, GOLD METALLURGY IN S. AFRICA, CHAMBER

  • Deposit

    OF MINES OF S.A.

  • Deposit

    MINTER, W.E.L., 1976, DETRITAL GOLD, URANIUM, & PYRITE

  • Deposit

    CONCENTRATIONS PILATED TO SEDIMENTOLOGY IN THE PRE-

  • Deposit

    CAMBRIAN VAAL REEF PLACER, WITWATERSRAND, S. AFRICA,

  • Deposit

    ECONOMIC GEOLOGY, V. 71, PP 157-176.

  • Deposit

    PRETORIUS, D.A., 1975, THE DEPOSITIONAL ENVIRONMENT OF THE

  • Deposit

    WITWATERSRAND GOLDFIELDS: A CHRONOLOGICAL REVIEW OF

  • Deposit

    SPECULATIONS & OBSERVATIONS, MIN. SCI. ENG., V. 7, NO.

  • Deposit

    1, PP 18-47.

  • Deposit

    SMITH, N.D., AND MINTER, W.E.L., 1980, SEDIMENTOLOGICAL

  • Deposit

    CONTROLS OF GOLD & URANIUM IN TWO WITWATERSRAND PALEO-

  • Deposit

    PLACERS, ECONOMIC GEOLOGY, V. 75, PP 1-14.

  • Deposit

    ADAMSON, R.J., 1972, GOLD METALLURGY IN SOUTH AFRICA,

  • Deposit

    CHAMBER OF MINES OF SOUTH AFRICA, 452 PP.

  • Deposit

    FINANCIAL TIMES, 1981, MINING INTERNATIONAL YEARBOOK.

  • Deposit

    KING, A., 1949, GOLD METALLURGY ON THE WITWATERSRAND,

  • Deposit

    TRANSVAAL CHAMBER OF MINES, 458 PP.

  • Deposit

    MCQUISTON, F.W., AND SHOEMAKER, R.S., 1975, GOLD & SILVER

  • Deposit

    CYANIDATION PLANT PRACTICE, SOCIETY OF MINING ENGS.

  • Deposit

    GOLD INSTITUTE, 1981, GOLD REGULATIONS & TAXES FOR MINING,

  • Deposit

    REFINING, MANUFACTURING, & TRADE IN THIRTEEN COUNTRIES,

  • Deposit

    PP 74-79.

  • Deposit

    CHAMBER OF MINES OF SOUTH AFRICA, 1982, ANALYSIS OF WORKING

  • Deposit

    RESULTS, OCT-DEC, 8 PP.

  • Deposit

    CHAMBER OF MINES, 1981, 91ST ANNUAL REPORT & STATISTICAL

  • Deposit

    TABLES, 116 PP.

  • Deposit

    MINING JOURNAL RESEARCH SERVICES, 1982, PRODUCTION AND

  • Deposit

    CAPITAL EXPENDITURE FOR THE SOUTH AFRICAN GOLD MINES,

  • Deposit

    1966-1981.

  • Deposit

    MINING JOURNAL RESEARCH SERVICES, 1982, SUMMARY REPORT ON

  • Deposit

    PRODUCTION & RECOVERY FOR THE SOUTH AFRICAN GOLD MINES,

  • Deposit

    MOHIDE, T.P., 1981, GOLD MINERAL POLICY BACKGROUND PAPER NO.

  • Deposit

    12, ONTARIO MINISTRY OF NATURAL RESOURCES, PP 84-112.

  • Deposit

    STORRAR, C.D., 1981, SOUTH AFRICAN MINE VALUATION CHAMBER OF

  • Deposit

    MINES OF S. AFRICA, 470 PP.

  • Deposit

    CAPITAL EXPENDITURE ANALYSES, HARMONY.

  • Deposit

    MINING JOURNAL, 1980-1982, QUARTERLY REVIEWS OF SOUTH AFRICA

  • Deposit

    GOLD SHARES, HARMONY.

  • Deposit

    INFORMATION ON THE URANIUM INDUSTRY OF SOUTH AFRICA.

  • Deposit

    ARTICLE ON THE NEW URANIUM EXTRACTION PLANT AT HARMONY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1994 Boyle, Ed U.S. Bureau of Mines

Beyond USGS

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