Description
Sir Thomas Cullinan
Commodities
PrimaryDiamond
Commodity typeN
Deposit
Model31: Diamond-bearing kimberlite pipes
Deposit sizeL
WorkingsUnderground
Orebody formELLIPTICAL/VERTICAL
Ore controlVolcanic Crater Of Explosive Type Filled With Kimberlite
Materials
GangueGarnet, Ilmenite, Phlogopite
Geology
Host rockKimberlite · Waterberg Sandstone (Quartzite)
Associated rockMafic Intrusive Rock · Premier Kimberlite;Felsite Of Bushveld Igneous Complex
StructureAn Elliptical/Vertical Pipe In Bushveld Igneous Complex (Precambrian) Felsite, Premier Kimberlite (Cretaceous); Waterberg Quartizite (Precambrian) (As Sill In Pipe); Felsite Of Bushveld Igneous Complex (Precambrian)
Tectonic settingShield
Alteration"Yellow Ground" Oxidized And Tuffaceous To Depth Of 11 M
Economic & production
Development statusProducer
First production1903
Discovery year1902
Identification
Deposit ID10071398
MRDS IDW014768
RegionAF
Data scoreB
Coordinates-25.69662, 28.50144
References
MINERAL RESOURCES OF SOUTH-CENTRAL AFRICA; PELLETIER, R. A.; 1964INTERNATIONAL DIAMOND ANNUAL; WILSON, A. N.; VOL. 1, 1971PREMIER DIAMOND MINE BROCHURE; CIRCA 1960DE BEERS CONSOLIDATED MINES LIMITED, ANNUAL REPORT, DE BEERS CONSOLIDATED MINES LIMITED.SOUTH AFRICAN MINING AND ENGINEERING JOURNAL, 1975, SOUTH AFRICAN MINING AND ENGINEERING JOURNAL.DE BEERS CONSOLIDATED MINES LTD ANNUAL REPORTS ; DEI BEERS ANNUAL REPORT - 1985 ; DE BEERS ANNUAL REPORT-1986 ; DE BEERS CONSOLIDATED MINES LIMITED - 1980 ANNUAL REPORT ; DE BEERS ANNUAL REPORT 1981 ; DE BEERS ANNUAL REPORT - 1982 ; DE BEERS ANNUAL REPORT-1983 ; DE BEERS ANNUAL REPORT - 1984 ; DE BEERS CONSOLIDATED DIAMONDS MINES LIMITED ANNUAL REPORT 1978 ; DE BEERS CONSOLIDATED DIAMOND MINES LIMITED ANNUAL REPORT 1979 ; DEBEERS CONSOLIDATED MINES LIMITED ANNUAL REPORTS: 1971 - 1977 ; DE BEERS CONSOLIDATED MINES LIMITED ANNUAL REPORTS: 1971 - 1976