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  3. Mineral Resource Data System (MRDS)

City Deep

Past Producer in South Africa with commodities Gold, Platinum, PGE, Silver
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Geologic information

Identification information

Deposit ID 10103725
MRDS ID M046871
Record type Site
Current site name City Deep

Geographic coordinates

Point of reference Approximate
Geographic coordinates: 25.09406, -28.99506 (WGS84)
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Geographic areas

Country
South Africa

Commodities

Commodity Importance
Gold Primary
Platinum Secondary
PGE 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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Ore body information

  • General form BASIN

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Witswatersrand

Ownership information

  • Type Owner
    Owner Central Mining

Production statistics

  • Year 1968
    Period 1958 - 1968
    Material AU
    Description Cp_Grade: ^0.21 Oz Au Per Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 6g/mt

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M046871

Bibliographic references

  • Deposit

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

  • Deposit

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

  • Deposit

    MERTIE, 1969 , ECON. GEOL. PT: US GEOLOGICAL SURVEY PROF. PAPER 630 , P. 46

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1978 Blair, Will N. U.S. Geological Survey