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President Brand Free Gold South

Producer in Free State, South Africa with commodities Gold, Silver, 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. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10207526
MRDS ID W014839
MAS/MILS ID 7910150003
Record type Site
Current site name President Brand Free Gold South
Alternate or previous names President Brand
Related records 10071443

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 26.75149, -28.02985 (WGS84)
Elevation 1372

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 Primary
Sulfur Secondary
Uranium Secondary

Materials information

Materials Type of material
Gold Unknown
Pyrite Unknown
Uraninite Unknown

Nearby scientific data

Ore Body (1) 26.75149, -28.02985
ListMap

Economic information

Ore body information

  • Strike N00E
    Dip 00N
    Thickness 1.5M
    Depth to top 1700M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 DISSEMINATED
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control BEDDING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N00E:00N
    Minimum Depth to Top 1200
    Date of Last Modification 790815

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 Witwatersrand

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Anglo American Corp. Of South Africa, Ltd.
    Home office South Africa
    Year 1976
  • Type Operator
    Owner President Brand Gold Mining Co. Ltd.
    Home office South Africa
    Year 1976

Comments on the production information

  • PRODUCT B CONTAINS URANIUM, PYRITE, AND A SMALL AMOUNT OF GOLD THAT WAS NOT RECOVERED ORIGINALLY. THESE TAILINGS ARE TAKEN TO ONE OF THE JOINT METALLURGICAL PLANTS & THE FINAL GRADE OF EACH CAN BE SEEN BY REFERING TO THE JOINT MET. SCHEME, SEQ. NO. 7910150015. MOST IS PROBABLY TAKEN TO THE ONE ON PRESIDENT BRAND, BUT SOME IS PIPED TO FREE STATE.

Comments on the reserve resource information

  • RESERVE GRADE & TONNAGE AS OF SEPT., 1978; BASED UPON AU PRICE OF R3846/KG ($165/OZ) AND A STOPE WIDTH OF 151 CM. MAT.2=TONNAGE & GRADE FOR MATERIAL CONTAINED IN SLIME DAMS(JOINT METALLURGICAL SCHEME). RAIL & BELT HAULAGE UTILIZED UG - CAPACITY BASED UPON PLAN- NED 1977-1978 MILLING RATE OF 3,100,000 MT ORE, HISTORICAL 14% WASTE AND ASSUMED 347 DAYS OPERATION/YEAR. MILL IS CYANIDATION PLANT. RECOVERY PERCENT IS NOT ACTUAL RATE BUT CALCULATED BY DIVIDING THE 1977-1978 YIELD (9.4 G/MT) BY MATRIX GRADE CODED (14.9 G/MT). 1975 YIELD WAS 13.87 G/MT, 1976 YIELD WAS 12.98 G/MT. URANIUM RECOVERY PLANT FOR HIGH & MEDIUM GRADE SLIMES ALSO LOCATED AT PRESIDENT BRAND - COMPLETED 1971, NEVER COMMISSIONED UNTIL AFTER REHABILITATION (AUGUST 1976) - PLANT TREATED SLIMES FROM FREE STATE SAAIPLAAS (SEQ. # 791-015-0002) FROM JULY- DEC. 1976 - PLANS WERE TO ACCEPT SLIMES FROM OTHER ANGLO AMERICAN CORP. GROUP MINES AFTER DEC. 1976. 1976 CAPACITY OF U3O8 PLANT WAS 2,160,000 MTPY SLIME FEED - ADDITION TO PLANT WOULD ENABLE TREATMENT OF 360,000 MTPY OF CONC. FEED FROM THE PYRITE FLOTATION PLANT. PYRITE FLOT. PLANT TREATS LOW GRADE DAM SLIMES, CAPACITY TO TREAT 4,200,000 MT SLIMES/YR. ALSO A SULFURIC ACID PLANT AT PRESIDENT BRAND - CAPACITY TO PRODUCE 360,000 MTPY H2SO4.
  • Q1 + Q2 = Q3 Q3C1 = Q1C8 Q3C2 = Q2C4 FIGURES CALCULATED FROM ANNUAL REPORTS & JOHANNESBURG QUARTLERLY. COL 1 IS FOR SHAFT NO. 1, C2= NO.2,C3 =NO.3, C4=NO.4,C5 = SW AREA, C6 = DEV. RESERVES FROM SHAFTS 1-4, C7= OTHER AREAS, C8 = TOTAL FOR BASAL REEF. COL. 1 = RESERVES FROM SHAFT NO.1, C2= NO.3,C3 = OTHER AREAS C4 = TOTAL FOR LEADER REEF.
  • THIS ADIT SEQ.NO. IS FOR THE "SOUTH COMPLEX" OF FREE STATE CONSOLIDATED GOLD MINES (FREEGOLD).THE SOUTH COMPLEX CONSISTS OF: (1) PRESIDENT BRAND (SEQ. NO. 7910150003) (2) PRESIDENT STEYN/VIDEO SECTION (SEQ.NO. 7910150004) (3) FREE STATE SAAIPLAAS MINE (SEQ.NO. 7910150002) (4) ERFDEEL/DANKBAARHEID (SEQ.NO. 7910150020) 1989 PROD. FOR THE "SOUTH COMPLEX" WAS 2,025,140 OZ AU FROM MILLING 15,339,180 MT ORE. WAS UPDATED FOR 1992 AVAIL. STUDY. 1991 PROD. WAS 1,950,360 OZ. AU FROM 15,593,000 TNS TREATED ORE. ADIT RESERVE AS OF SEPT 1992 IS STILL VALUES FROM 1982 STUDY.

Workings at the site

  • Type of workings Underground
    Overall depth 1700M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method OPEN STOPE
    Percent Waste Rock 14.7
    Number of Shafts 4
    1st Condition of Workings OPEN
    Capacity 10460
    Capacity Units MT ORE/DAY
    Unit Production Cost 6.48
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1982

Reference information

Bibliographic references

  • Reserve-Resource

    MINING JOURNAL SUPPLEMENT. NOV.3,1978.

  • Deposit

    CHAMBER OF MINES OF SOUTH AFRICA, ANNUAL REPORTS.

  • Deposit

    MINING MAGAZINE. SEPTEMBER 1975.

  • Deposit

    MINING JOURNAL-OCT. 1975,FEB. 1980,MAY 1980,AUG. 1980,

  • Deposit

    PRESIDENT BRAND GOLD MINING CO. LTD., ANNUAL REPORT, 1976.

Reporter information

Type Date Name Affiliation Comment
Reporter 15-OCT-1992 Ernst / Ewu, Chiang 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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