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Rietfontein

Past Producer in 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. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10103713
MRDS ID M046328
Record type Site
Current site name Rietfontein
Alternate or previous names Rietfontein Consolidated Mines, Ltd.

Geographic coordinates

Geographic coordinates: 28.20145, -26.14244 (WGS84)
Relative position 8 MILES EAST OF JOHANNESBURG

Site location context

Political divisions (FIPS codes)

South Africa(country)

Africa(continent)

Land(continent)

Geographic areas

Country
South Africa

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
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Pyrrhotite Ore
Sphalerite Ore
Uraninite Ore

Analytical data

Result COMPOSITION OF PLATINOIDS IN PERCENT: IR = 37.2, OS = 36.2, RU = 15.6, PT = 10.1, RH = .9

Nearby scientific data

(1) 28.20145, -26.14244
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Economic information

Ore body information

  • General form LITHIFIED PLACER

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Central Rand Area , Witwatersrand

Comments on the production information

  • WORKS THE MAIN REEF GROUP., MIN. JOUR., 1968 LIST MINE AS EXHAUSTED.

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    COUSINS, 1973, PLATINOIDS IN 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

    HARWOOD, C.B., 1913, IRIDOSMINE FROM THE NEW RIETFONTEIN MINES: TRANS. GEOL. SOC. OF S.AFRICA, V.15.

  • Deposit

    5) PARK AND MACDIARMID, 1970, ORE DEPOSITS.

  • Deposit

    6) MINING JOUR. V.268

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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