Description
Allister Thornton Fincham
Commodities
PrimaryDiamond
Commodity typeN
Deposit
Deposit sizeL
WorkingsSurface
Orebody formELLIPITICAL/VERTICAL
Ore controlVolcanic Crater Of Explosive Type Filled With Kimberlite
Materials
GangueGarnet, Ilmenite, Phlogopite
Geology
Host rockKimberlite · Dwyka Tillite And Shale
Associated rockGranite · Finsch Kimberlite;Melaphyre And Granite
StructureAn Ellipitcal/Vertical Pipe In Precambrian Melaphyre And Granite And In Karroo System Dwyka Tillite And Shale, Finsch 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 production1965
Discovery year1960
Identification
Deposit ID10107305
MRDS IDW014759
RegionAF
Data scoreB
Coordinates-28.3799, 23.45153
References
MINERAL RESOURCES OF SOUTH-CENTRAL AFRICA; PELLETIER, R. A.; 1964INTERNATIONAL DIAMOND ANNUAL; WILSON, A. N. ; VOL 1, 1971DE BEERS CONSOLIDATED MINES LIMITED, ANNUAL REPORT.ENGINEERING AND MINING JOURNAL, 1975, ENGINEERING AND MINING JOURNAL.WORLD MINING, 1972, WORLD MINING, NOVEMBER 1972.DE BEERS CONSOLIDATED MINES LTD ANNUAL REPORTS ; DE BEERS ANNUAL REPORT - 1985 ; DE BEERS ANNUAL REPORT-1986 ; DEBEERS 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 DIAMOND 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