Commodities
PrimaryDiamond
Commodity typeN
Deposit
Deposit sizeY
WorkingsUnderground
Orebody formLINEAR/VERTICAL
Ore controlDike (Fissure) Of Volcanic Origin Filled With Micaceous Kimberlite.
Materials
GangueBiotite, Garnet, Ilmenite, Phlogopite
Geology
Host rockKimberlite · Dwyka Tillite And Shale
Associated rockGranite · Star Kimberlite Dike;Melaphyre And Granite
StructureDike, Or Fissure, Occurrences Traceable On The Surface And Underground For Distances Of 10-15 Kilometers, Star Kimberlite Dike (Cretaceous); Dwyka Tillite & Shale (Karroo) (Paleozoic); Melaphyre And Granite (Precambrian)
Tectonic settingShield
Alteration"Yellow Ground" Oxidized And Tuffaceous To Depth Of 20m
Economic & production
Development statusProducer
Identification
Deposit ID10089198
MRDS IDW014761
RegionAF
Data scoreB
Coordinates-28.3632, 26.80149
References
MINERAL RESOURCES OF SOUTH-CENTRAL AFRICA; PELLETIER, R.A.; 1964NEW WITWATERSRAND GOLD EXPLORATION COMPANY, LIMITED ANNUAL REPORTS, 1974-1975NEW WITWATERSRAND GOLD EXPLORATION COMPANY, LIMITED, 1975, ANNUAL REPORT.NEW WITWATERSRAND GOLD EXPLORATION COMPANY, LIMITED, ANNUAL REPORTS: 1973-1975 ; GOLD FIELDS OF SOUTH AFRICA ANNUAL REPORT 1976