Description
Cornelis Hendrik Du Plooy
Commodities
PrimaryDiamond
Commodity typeN
Deposit
Model31: Diamond-bearing kimberlite pipes
Deposit sizeM
WorkingsUnderground
Orebody formELLIPTICAL/VERTICAL
Ore controlVolcanic Crater Of Explosive Type Filled With Kimberlite
Materials
GangueGarnet, Ilmenite, Phlogopite
Geology
Host rockKimberlite · Dwyka Tillite And Shale
Associated rockGranite · Bultfontein Kimberlite;Melaphyre And Granite
StructureAn Elliptical/Vertical Pipe In Precambrian Melaphyre And Granite And In Karroo System Dwyka Tillite And Shale, Bultfontein Kimberlite (Cretaceous); Dwyka Tillite & Shale (Karroo) (Paleozoic) Melaphyre And Granite (Precambrian)
Tectonic settingShield
Alteration"Yellow Ground" Oxidized And Tuffaceous To Depth Of 15 M
Economic & production
Development statusProducer
First production1870
Discovery year1869
Identification
Deposit ID10071395
MRDS IDW014764
RegionAF
Data scoreB
Coordinates-28.76321, 24.86819
References
MINERAL RESOURCES OF SOUTH-CENTRAL AFRICA, PELLETIER, R. A.; 1964INTERNATIONAL DIAMOND ANNUAL; WILSON, A. N.; VOL. 1. 1971MODERN PRACTICES IN DIAMOND MINING IN SOUTH AFRICA; THE SOUTH AFRICA INSTITUTE OF MINING AND METALLURGY; JOHANNESBURG; MARCH 1961"KIMBERLEY CENTENARY" (SUPPLEMENT TO THE DIAMOND NEWS AND S. A. JEWELLER; JULY 1971), "THE KIMBERLEY DIAMONDS"; DEBEERS CONSOLIDATED MINES BROCHURE; UNDATED. DEBEERS CONSOLIDATED MINES LIMITED ANNUAL REPORT; 197DE BEERS CONSOLIDATED MINES LTD ANNUAL REPORTS ; DE BEERS ANNUAL REPORT-1982 ; DE BEERS ANNUAL REPORT - 1983 ; DE BEERS ANNUAL REPORT - 1984 ; DE BEERS ANNUAL REPORT - 1985 ; DE BEERS ANNUAL REPORT-1986 ; DE BEERS CONSOLIDATED DIAMOND MINES LIMITED 1979 ANNUAL REPORT ; DE BEERS CONSOLIDATED DIAMOND MINES LIMITED ANNUAL REPORT 1980 ; DE BEERS ANNUAL REPORT 1981 ; DEBEERS CONSOLIDATED MINES LIMITED ANNUAL REPORTS: 1971 , 1974 - 1977 ; DE BEERS CONSOLIDATED DIAMOND MINES LIMITED ANNUAL REPORT 1978 ; DE BEERS CONSOLIDATED MINES LIMITED ANNUAL REPORTS: 1971 , 1974 - 1976