Mine detail: Koingnaas Diamond Mine

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Location: Eastern Cape, South Africa, Africa
Lat / long: -29.57993, 17.0516
dep_id: 10080048
mrds_id: W030999
Commodity type: nonmetallic
Major mineral: Diamond
Operation type: Unknown
Production size: Medium ammount of material produced
Development status: Producer
orebody_fm: IRREGULAR BLANKET
alteration: None
conc_proc: Diamonds Believed To Have Been Transported From Inland Kimberlite Ppes To Present Areas By Orange River
ore_ctrl: Beach Sands With Concentrations Of Transported And Redeposited Diamonds
Reporter: Mccarter, Lorna D.
hrock_type: Sand and Gravel,Limestone
Structure: Tertiary To Recent Beach Sands; Unconsolidated, Diamondiferous Terraces In Tertiary Beach Sands
tectonic: Shield
disc_yr: 1962
References:
  • Deposit:: PELLITIER, R.A., 1964, MINERAL RESOURCES OF SOUTH-CENTRAL AFRICA
  • Deposit:: WILSON, A.N., 1971, INTERNATIONAL DIAMOND ANNUAL, VOL. 1.
  • Deposit:: 1968 RECON DE BEERS CORPORATION
  • Deposit:: 1976 DIREXPL DE BEERS CORPORATION
  • Production:: DE BEERS ANNUAL REPORTS, 1978, 1979, 1980 ; DE BEERS ANNUAL REPORT-1986 ; DE BEERS ANNUAL REPORT-1983 ; DE BEERS ANNUAL REPORT - 1984 ; DE BEERS ANNUAL REPORT - 1985 ; DE BEERS ANNUAL REPORT - 1982 ; DE BEERS ANNUAL REPORT 1981
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