Durban Roodepoort Deep

Producer in South Africa with commodities Gold, Silver
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. Ownership information
  9. Reserves and resources
  10. Workings at the site
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10304457
MRDS ID W027862
MAS/MILS ID 7910200076
Record type Site
Current site name Durban Roodepoort Deep
Related records 10079047

Geographic coordinates

Point of reference Plant
Geographic coordinates: 27.87145, -26.19661 (WGS84)

Site location context

Political divisions (FIPS codes)

South Africa(country)

Africa(continent)

Land(continent)

Geographic areas

Country
South Africa

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Nearby scientific data

Plant (1) 27.87145, -26.19661

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Deposit size Medium
Significant Yes
Milling method Hydrometallurgy Unspecified

Ownership information

  • Type Owner-Operator
    Owner Duran Roodepoort Deep Ltd
    Interest 100
  • Type Owner
    Owner Barlow Rand Group

Reserves and resources

  • Type In-situ
    Estimate year 0
    Indicated 100000000mt ore
    Demonstrated 100000000mt ore
    Total resources 100000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 3.5 g/mt Gold Major 0
    Silver Ag 0.34 g/mt Silver Minor 0
  • Type In-situ
    Estimate year 1993
    Demonstrated 1320000mt ore
    Total resources 1320000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 5.5 g/mt Gold Major 1993

Comments on the reserve resource information

  • HAS BEEN UPDATED FOR THE 1992 AU AVAILABILITY STUDY. 1989 PRODUCTION = 159,059 OZ AU FROM MILLING OF 2,018,980 MT ORE 1991 PRODUCTION = 150,664 OZ AU FROM TREATING 1,906,000 MT ORE. ADIT RESERVES AS OF SEPT. 1992, ARE STILL VALUES FROM 1982 STUDY.
  • Q1-M1C1 TOTAL RESOURCES FROM 3 REEFS: 50 M MT AT 3 G/MT FOR KIMBERLY REEF, 35 M MT AT 4.5 G/MT FOR MAIN REEF AND 15 M MT AT 3 G/MT FOR SOUTH REEF.

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
    Capacity 6400
    Capacity Units MT ORE/DAY
    Unit Production Cost 44.88
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1981

Reference information

Bibliographic references

  • Reserve-Resource

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

  • Deposit

    TOOMBS, R.B., A SURVEY OF THE MINERAL INDUSTRY OF SOUTH

  • Deposit

    AFRICA, MINERAL INFORMATION BULLETIN MR 58, MINERAL

  • Deposit

    RESOURCES DIVISION, DEPARTMENT OF MINES, OTTAWA, 1962.

  • Deposit

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

  • Deposit

    WORLD MINING REGISTER 76-77, MILLER FREEMAN PUBLICATIONS,

  • Deposit

    INC., 1977.

  • Deposit

    MINTER, W.E.L., DETRITAL GOLD, URANIUM, AND PYRITE CON-

  • Deposit

    CENTRATIONS RELATED TO SEDIMENT GEOLOGY IN THE PRECAMBRI-

  • Deposit

    AN VAAL REEF PLACER, WITWATERSRAND, SOUTH AFRICA, ECONO-

  • Deposit

    MIC GEOLOGY, V. 71, NO. 1, 1977, PP 157-176.

  • Deposit

    ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY OF

  • Deposit

    MINING AND MINERAL PROCESSING OPERATIONS, MC GRAW HILL,

  • Deposit

    NEW YORK, 1976.

  • Deposit

    SOUTH AFRICA, GEOLOGICAL SURVEY SPECIAL PUBLICATION NO. 18,

  • Deposit

    1972.

  • Deposit

    MINING ANNUAL REVIEW, MINING JOURNAL, LONDON, 1977, PP 431-

  • Deposit

    443.

  • Deposit

    COETZEE, C.B., MINERAL RESOURCES OF SOUTH AFRICA, GEOLOGICAL

  • Deposit

    SURVEY PUBLICATION, HANDBOOK 7, FIFTH EDITION, 1976,

  • Deposit

    PP 39-74. 233-240.

  • Deposit

    MINING JOURNAL, QUARTER ENDING, JUNE, 1977.

  • Deposit

    THE MINERAL RESOURCES OF THE UNION OF SOUTH AFRICA, GEOLOGI-

  • Deposit

    CAL SURVEY PUBLICATION, 1959, FOURTH EDITION.

  • Deposit

    WATERMEYER, G.A. AND HOFFENBERG, S.N., WITWATERSRAND MINING

  • Deposit

    PRACTICE, THE TRANSVAAL CHAMBER OF MINES, GOLD PRODUCERS

  • Deposit

    COMMITTEE, 1932.

  • Deposit

    DURBAN ROODEPOORT DEEP LTD, ANNUAL FINANCIAL STATEMENTS,

  • Deposit

    1974.

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.