South Roodepoort Main Reef Areas,

Producer in South Africa with commodities Gold, Osmium, Silver
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 10207863
MRDS ID W026838
MAS/MILS ID 7910200057
Record type Site
Current site name South Roodepoort Main Reef Areas,
Alternate or previous names Ltd
Related records 10107349

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 27.77145, -26.21661 (WGS84)
Elevation 1500

Site location context

Political divisions (FIPS codes)

South Africa(country)

Africa(continent)

Land(continent)

Geographic areas

Country
South Africa

Commodities

Commodity Importance
Gold Tertiary
Osmium Tertiary
Silver Tertiary

Materials information

Materials Type of material
Gold Unknown
Pyrite Unknown
Pyrrhotite Unknown

Nearby scientific data

Ore Body (1) 27.77145, -26.21661

Economic information

Ore body information

  • Thickness 1M
    Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 PLACER
    Type of Orebody #3 SEDIMENTARY
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin OTHER
    Primary Ore Control BEDDING
    Secondary Ore Control LITHOLOGY
    Date of Last Modification 780808

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1937

Mining district

District name Witwatersrand

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner General Mining And Finance Corp;Ltd
    Interest 21
    Home office South Africa
    Year 1977

Comments on the production information

  • PRODUCTION IS ONGOING

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method ALLUVIAL MINING
    Percent Waste Rock 19.5
    Capacity 1400
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Year of Information 1977
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method OPEN STOPE
    Percent Waste Rock 19.5
    Hardness of Rock HARDROCK FISSURED WITH EXCESSIVE WATER
    Number of Shafts 1
    Capacity 1400
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Year of Information 1977

Reference information

Bibliographic references

  • Deposit

    A SURVEY OF THE MINERAL INDUSTRY OF SOUTH AFRICA,BY R.B.TOOM

  • Deposit

    RAL INFORMATION BULLETIN MR 58,1962,MINER.RES.DIV;DEPT.MINES

  • Deposit

    WITWATERSRAND GOLD,WORLD MINING, MAY,1977,P.50-53.

  • Deposit

    WORLD MINES REGISTER 76-77,MILLER FREEMAN PUB,INC;

  • Deposit

    DETRITAL GOLD,URANIUM,AND PYRITE CONCENTRATIONS RELATED TO S

  • Deposit

    OLOGY IN THE PRECAMBRIAN VAAL REEF PLACER,WITWATERSRAND,SOUT

  • Deposit

    A;W.E.L.MINTER,ECON-GEOL;V-71,#1,1977,P.157-176

  • Deposit

    E/MJ INTERNATIONAL DIRECTORY OF MINING AND MINERAL PROCESSIN

  • Deposit

    TIONS;PUB.BY ENG.AND MIN-JOURN,MCGRAW HILL,N.Y,1976

  • Deposit

    GEOL.SURV,SP.PUBL.18,1972,S.AFRICA

  • Deposit

    MINING ANNUAL REVIEW,PUB.MIN.JOURN;LONDON,1977,P.431-443.

  • Deposit

    MINERAL RESOURCES OF SOUTH AFRICA;GEOL.SURV.PUB;EDT,BY C.B.C

  • Deposit

    HAND BOOK 7,1976,FIFTH EDITION,P.39-74,233-240.

  • Deposit

    MINING JOURNAL,QUARTER ENDING,JUNE,1977

  • Deposit

    THE MINERAL RESOURCES OF THE UNION OF SOUTH AFRICA,GEOL.SUR.

  • Deposit

    9,4TH EDITION.

  • Deposit

    WITWATERSRAND MINING PRACTICE,BY WATERMEYER,G.A.AND HOFFENBE

  • Deposit

    PUB.BY THE TRANSVAAL CHAMBER OF MINES,GOLD PRODUCERS'COMMITT

  • Deposit

    SOUTH ROODEPOORT MAIN REEF AREAS,LTD;ANNUAL FINANCIAL STATEM

  • Deposit

    MINING MAGAZINE,SEPT.1976,P.279

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Vandiver U.S. Bureau of Mines

Beyond USGS

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