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Vaal Reefs

Producer in Free State, South Africa with commodities Gold, Platinum, Osmium, Iridium, Rhodium, Ruthenium
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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. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10038843
MRDS ID M046306
Record type Site
Current site name Vaal Reefs
Alternate or previous names Vaal Reefs Mining and Exploration Co., Ltd., North Section
Related records 10134586

Geographic coordinates

Geographic coordinates: 26.7848, -26.92992 (WGS84)
Relative position 8 MILES SE OF KLERKSDORP

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
Platinum Critical Secondary
Osmium Secondary
Iridium Critical Secondary
Rhodium Critical Secondary
Ruthenium Critical Secondary

Materials information

Materials Type of material
Sperrylite Ore

Analytical data

Result COMPOSITION OF PLATINOIDS IN PERCENT: IR = 38.5, OS = 44.3, RU = 12.3, PT = 7.1, RH = .8

Nearby scientific data

(1) 26.7848, -26.92992
ListMap

Economic information

Ore body information

  • General form LITHIFIED PLACER

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Klerksdorp Area Witwatersrand, Witwatesrand

Ownership information

  • Type Owner
    Owner Anglo American Corp. Of South Africa, Ltd.
    Home office Johannesburg, R.S.A.

Comments on the production information

  • WORKS THE BIRD REEF GROUP. AU/PT RECOVERY = 8520:1

Reference information

Bibliographic references

  • Deposit

    MERTIE, 1969, ECON. GEOL. PT METALS: USGS PROF. PAPER 630, P. 45 - 48

  • Deposit

    COUSINS, 1973, PLATINOIDS OF THE WITWATERSRAND SYSTEM: JOUR. S. AFRICA INST. MIN. AND METALL., V. 73, NO. 6, P. 3 - 5

  • Deposit

    WAGNER, 1929, PT DEPOSITS AND MINES OF SOUTH AFRICA: STRUIK (PTY) LTD., CAPETOWN 1973, P. 32 - 40

  • Deposit

    FEATHER, 1976, MINERALOGY OF THE PT-GROUP MINERALS IN THE WITWATERSRAND: ECON. GEOL. V.71, N.7, P. 1419

  • Deposit

    5) PARK AND MACDIARMID, 1970, ORE DEPOSITS

  • Deposit

    6) MINI NG JOURNAL, 1977, V.288

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1975 Blair, Will N. U.S. Geological Survey

Beyond USGS

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

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