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Joint Metallurgical Scheme

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

Geologic information

Identification information

Deposit ID 10281401
MRDS ID W014847
MAS/MILS ID 7910150015
Record type Site
Current site name Joint Metallurgical Scheme
Alternate or previous names Heme
Related records 10071449

Geographic coordinates

Point of reference Plant
Geographic coordinates: 28.36815, -26.2799 (WGS84)
Elevation 1400
Location accuracy 1000(meters)

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 Tertiary
Sulfur Tertiary
Uranium Tertiary

Nearby scientific data

Plant (1) 28.36815, -26.2799
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Both
Deposit size Large
Significant Yes
Year of first production 1977
Plant type Beneficiation (Mill)
Plant subcategory Solvent Extraction-Electrowin
Milling method Flotation

Mining district

District name Orange Free State Gold Fields

Mineral rights holdings

Type of mineral rights Federal Lease

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Anglo American Corp. Of South Africa, Ltd.
    Home office South Africa
    Year 1982
  • Type Owner-Operator
    Owner Western Holdings Ltd.
    Home office South Africa
    Year 1982
  • Type Owner-Operator
    Owner President Brand Gold Mining Co. Ltd.
    Home office South Africa
    Year 1982
  • Type Owner-Operator
    Owner President Steyn Gold Mining Co. Ltd.
    Home office South Africa
    Year 1982
  • Type Owner-Operator
    Owner Free State Geduld Mines Ltd.
    Home office South Africa
    Year 1982

Comments on the ownership information

  • OWNERSHIP IS IN PROPORTION TO THE AMOUNT OF OLD TAILINGS AND CURRENT SLIMES THAT EACH OWNER PROVIDES. ENTIRE JMS COMPLEX ADMINISTERED BY ANGLO AMERICAN CORPORATION. OTHER SEQUENCE NUMBERS: PRES. BRAND 791-015-0003 F. S. GEDULD 791-015-0001 PRES. STEYN 791-015-0004 W. HOLDINGS 791-015-0005 F. S. SAAIPLAAS 791-015-0002 WELKOM 791-015-0008 ERFDEEL-DANK- 791-015-0020 BAANHEID

Production statistics

  • Year 1977
    Description 6339999 Mt Slimes Treated
  • Year 1978
    Description 19180000 Mt Slimes Treated
  • Year 1979
    Description 20160000 Mt Slimes Treated
  • Year 1980
    Description 23010000 Mt Slimes Treated
  • Year 1981
    Description 24819999 Mt Slimes Treated

Comments on the reserve resource information

  • Q-MAT 1 MATERIAL = OLD TAILINGS DAM MATERIAL WHICH IS RECLAIMED FROM THE FREE STATE GEDULD, PRES. BRAND, PRES. STEYN, W. HOLDINGS, FREE STATE SAAIPLAAS, AND WELKOM PROPERTIES. IT IS ROUGHLY ESTIMATED THAT OLD TAILINGS FROM THE 6 PROPERTIES IS PROPORTIONED AS FOLLOWS: F. S. GEDULD 14.5 PCT F. S. SAAIPLAAS 8.5 PCT PRES. BRAND 18.5 PCT PRES. STEYN 19.0 PCT WELKOM 18.0 PCT W. HOLDINGS 21.5 PCT
  • FOR YR.ENDED SEPT.30,1987: 88,865 OZ.GOLD FROM A TOTAL OF 19,872,000 MT SLIMES TREATED. HAS NOT BEEN UPDATED FOR THE 1992 AVAILABILITY STUDY (ONLY DID MAJOR UG OPERATIONS). FOR YR.ENDED MARCH 31, 1991: 82,081 OZ GOLD FROM 12,868,000 MT SLIMES TREATED.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method HYDRAULICKING
    Percent Waste Rock 0
    Avg. Overburden Thickness 0
    Hardness of Ore SAND, SILT
    Capacity 14285
    Capacity Units MT ORE/DAY
    Unit Production Cost .29
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1982
  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ACTUAL
    Mining Method HYDRAULICKING
    Percent Waste Rock 0
    Avg. Overburden Thickness 0
    Hardness of Ore SAND, SILT
    Capacity 14285
    Capacity Units MT ORE/DAY
    Unit Production Cost .29
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1982

Comments on other economic factors

  • FEED GRADES INCLUDE 5,000,000 MTPY OF Q-MAT 1 MATERIAL (77 G U3O8/MT, 0.7% S, 0.6 G AU/MT), BLENDED WITH CURRENT TAILINGS FROM THE OTHER 7 PROPERTIES, AND WEIGHTED FOR THE 3 TIME PERIODS (1982-2002, 2003-2022, 2023-2028). Q-MAT 1 MATERIAL WOULD ONLY LAST THRU 2022; 2023-2028 PERIOD = F. S. GEDULD CURRENT TAILINGS ONLY.

Reference information

Bibliographic references

  • Deposit

    MINING MAGAZINE, SEPT. 1976. P. 191.

  • Deposit

    COAL, GOLD AND BASE MINERALS OF S. AFRICA,APR. 1977,

  • Deposit

    PP. 20-27, 47-49.

  • Deposit

    WORLD MINING, JUNE 1977. GOLD AND U3O8 RECOVERED FROM

  • Deposit

    CYANIDE TAILINGS.

  • Deposit

    COAL, GOLD & BASE MINERALS OF S.AFRICA, JAN. 1978, P. 95.

  • Deposit

    S.A.MINING AND ENGINEERING JOURNAL, MARCH 1976, P. 31-35.

  • Deposit

    E/MJ. MAY 1978. NEW PROJECTS SEEK TO RECOVER LOW-GRADE

  • Deposit

    VALUES FROM GOLD MINE SLIMES. PP. 160-161.

  • Deposit

    E/MJ. JAN. 1978. NEW SOUTH AFRICA COMPLEX LEACHES GOLD,

  • Deposit

    URANIUM, AND SULPHUR FROM SLIMES. PP. 81-84.

  • Deposit

    MINING JOURNAL. QUARTERLY REVIEW OF SOUTH AFRICAN GOLD

  • Deposit

    SHARES. VARIUOS ISSUES.

  • Deposit

    ANNUAL REPORTS, 1978/1981 - PRES. BRAND, PRES. STEYN,

  • Deposit

    WELKOM, FREE STATE SAAIPLAAS, W.HOLDINGS, FREE STATE GEDULD.

  • Deposit

    MINING MAGAZINE. MAY 1978. PP. 413-415.

Reporter information

Type Date Name Affiliation Comment
Reporter 15-OCT-1992 Boyle, Ed U.S. Bureau of Mines

Beyond USGS

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

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