1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Crown

Past Producer in South Africa with commodities Gold, Platinum, PGE, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Ore body information
  8. Economic information about the deposit and operations
  9. Mining district
  10. Ownership information
  11. Production statistics
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10103728
MRDS ID M046881
Record type Site
Current site name Crown

Geographic coordinates

Point of reference Approximate
Geographic coordinates: 25.09406, -28.99506 (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
Platinum Critical Secondary
PGE Critical Secondary
Silver Secondary

Comments on the commodity information

  • SMALL QUANTITIES PT AND AG RECOVERED BUT UNIMPORTANT IN SOUTH AFRICA TERMS. PT IS AN IMPURITY IN GOLD AND IS RECOVERED AT THE RAND REFINERY AS A CONSEQUENCE OF THE PURIFICATION PROCESS.

Nearby scientific data

Approximate (1) 25.09406, -28.99506
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Economic information

Ore body information

  • General form BASIN

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Witwatersrand

Ownership information

  • Type Owner
    Owner Central Mining

Production statistics

  • Year 1968
    Period 1958 - 1968
    Material AU
    Description Cp_Grade: ^0.162 Oz Au Per Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gold Gold 5g/mt

Reference information

Bibliographic references

  • Deposit

    MINING JOUR., 1968 , DEV. AND MILLING RESULTS: MIN. JOUR. V. 270

  • Deposit

    PARK AND MAC DIARMID, 1970 , ORE DEPOSITS: FREEMAN CO., P. 441

  • Deposit

    MERTIE, 1969 , ECON. GEOL. PT: US GEOL. PROF. PAPER 630

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1978 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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