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Namaqualand Division Mines

Past Producer in Eastern Cape, South Africa with commodity Diamond
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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. Economic information about the deposit and operations
  8. Mining district
  9. Ownership information
  10. Production statistics
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10080860
MRDS ID W032274
Record type Site
Current site name Namaqualand Division Mines
Alternate or previous names Namaqualand Alluvial Diamond Deposits

Geographic coordinates

Geographic coordinates: 25.221, -29.04763 (WGS84)
Relative position No latitude-longitude reported. Given lat-lon is for centroid of first order political subdivision boundary.

Site location context

Political divisions (FIPS codes)

Eastern Cape(province)

South Africa(country)

Africa(continent)

Land(continent)

Geographic areas

Country State
South Africa Eastern Cape

Comments on the location information

  • ALL THE MINES INCLUDED IN THIS DIVISION ARE LOCATED ON THE COAST, FROM APPROXIMATELY 32 DEG S, TO AS FAR NORTH AS THE BORDER OF NAMIBIA. MINES INCLUDE: ANNEX KLEINZEE; DREYER'S PAN; KOINGNAAS; LANGHOOGTE AND BUFFELS MARINE. AS FROM THE DATE OF THIS RECORD, ALL PRODUCTION FROM THESE MINES WILL BE INCLUDED UNDER THE NAME OF NAMAQUALAND DIVISION MINES. FOR PRIMARY FILE DETAILED DATA ON MINES IN THIS DIVISION, REFER TO RECORDS: W014762 - ANNEX KLEINZEE; W014763 - DREYERS PAN AND W030999 - KOINGNAAS.

Commodities

Commodity Importance
Diamond Primary

Nearby scientific data

(1) 25.221, -29.04763
ListMap

Economic information

Comments on the geologic information

  • SEE LISTED RECORD NUMBERS FOR GEOLOGICAL DATA RELATING TO INDIVIDUAL MINES.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No

Mining district

District name Namaqualand Area

Ownership information

  • Type Owner
    Owner De Beers Consolidated Mines Ltd.

Production statistics

  • Year 1981
    Material OVB
    Accuracy Accurate
    Description Ap_Grade: ^21.32 Carats/100 Tons
  • Year 1981
    Material DIA
    Accuracy Accurate
    Description Ap_Grade: ^17.46 Carats/100 Tons
  • Year 1981
    Material ORE DIA
    Accuracy Accurate
    Description Ap_Grade: ^18.57 Carats Per 100 Tons
  • Year 1983
    Material DIA
    Accuracy Accurate
    Description Ap_Grade: ^18.35 Carats Per 100 Met Tons
  • Year 1983
    Material ORE DIA
    Accuracy Accurate
    Description Ap_Grade: ^17.33 Carats/100 Tons
  • Year 1983
    Material OVB
    Accuracy Accurate
    Description Ap_Grade: ^18.36 Ct/100 Tons
  • Year 1984
    Period 1980-1984
    Material ORE DIA
    Description Cp_Grade: ^13.61 Carats/100 Tons

Comments on the production information

  • PRODUCTION FOR KOINGNAAS MINE-SEE RECORD WO. 1983 PRODUCTION FOR LANGHOOGTE AMOUNTED TO 152,000 MET. TONS AT A GRADE OF 19.06 CARATS PER 100 TONS. CARATS PRODUCED AMOUNTED TO 28,975 FOR 1983. BUFFELS MARINE YIELDED 220,629 CARATS FROM 3,380,000 TONS AT AN AVERAGE GRADE OF 6.53 CARATS.

Comments on the workings information

  • SEE "LOCATION COMMENTS" AND LISTED RECORD NUMBERS FOR DESCRIPTION OF WORKINGS OF INDIVIDUAL MINES.

Reference information

Bibliographic references

  • Production

    DE BEERS CONSOLIDATED MINES LIMITED ANNUAL REPORT 1981 ; DE BEERS ANNUAL REPORT - 1985 ; DE BEERS ANNUAL REPORT-1986 ; DE BEERS ANNUAL REPORT-1983 ; DE BEERS ANNUAL REPORT - 1984 ; DE BEERS ANNUAL REPORT - 1982

General comments

Subject category Comment text
Deposit SEE "LOCATION COMMENTS" AND LISTED RECORD NUMBERS FOR DESCRIPTIONS OF WORKINGS.
Deposit INFORMATION MERGED FROM RECORD NUMBER W033027 ; W033154 ; W033826 ; W044582 ; W055330

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-82 Mccarter, Lorna D. Department of State
Updater 01-SEP-85 Mccarter, Lorna D Department of State
Updater 01-JUN-84 Mccarter, Lorna D Department of State
Updater 01-JUL-83 Mccarter, Lorna D Department of State
Updater 01-JUL-85 Mccarter, Lorna D Department of State
Updater 01-MAY-86 Mccarter, Lorna D Department of State
Updater 01-JUL-87 Mccarter, Lorna D. Department of State

Beyond USGS

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

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