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Modderfontein B

Producer in South Africa with commodities Gold, Osmium, Iridium, Ruthenium, Platinum, Rhodium
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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 10038874
MRDS ID M046349
Record type Site
Current site name Modderfontein B
Alternate or previous names Government Gold Mining Areas Consolidated, Ltd., Modder B, Modderfontein B Gold Mines
Related records 10281494

Geographic coordinates

Geographic coordinates: 28.40978, -26.18827 (WGS84)
Relative position 21 MILES E. 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
Osmium Primary
Iridium Critical Primary
Ruthenium Critical Primary
Platinum Critical Primary
Rhodium Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Pyrrhotite Ore
Uraninite Ore

Analytical data

Result COMPOSITIONS OF PLATINOIDS IN %: IR = 32, OS = 37.2, RU = 17.2, PT = 13.1, RH = .5

Nearby scientific data

(1) 28.40978, -26.18827
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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 East Rand Area

Comments on the production information

  • WORKS MAIN REEF GROUP, AU/PT RECOVERY = 610:1

Reference information

Bibliographic references

  • Deposit

    MERTIE, 1969, ECON. GEOL. OF THE PLATINUM METALS: USGS PROF. PAPER 630, P. 45

  • Deposit

    WAGNER, 1929, PT DEPOSITS AND MINES S. AFRICA: STRUIK (PTY) CAPETOWN 1973, P. 35, 36

  • Deposit

    COUSINS, 1973, PLATINOIDS IN WITSWATERSRAND: JOUR. S. AFRICA INST. MIN. AND METALL., V. 73, NO. 6, P. 3 - 5

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-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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