Eastern Cape
Producer

Wesselton Mine

Eastern Cape, South Africa
Diamond
⌖ Show on mapUSGS source ↗
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 · Wesselton Kimberlite;Melaphyre And Granite
StructureAn Elliptical/Vertical Pipe In Precambrian Melaphyre And Granite And In Karroo System Dwyka Tillite And Shale, Wesselton Kimberlite (Cretaceous); Dwyka Tillite & Shale (Karroo) (Paleozoic) Melaphyre And Granite (Pre Cambrian)
Tectonic settingShield
Alteration"Yellow Ground" Oxidized And Tuffaceous To Depth Of 15m
Economic & production
Development statusProducer
First production1890
Discovery year1890
Identification
Deposit ID10071393
MRDS IDW014760
RegionAF
Data scoreB
Coordinates-28.76321, 24.90152
References
"THE KIMBERLEY DIAMONDS" DE BEERS CONSOLIDATED MINES LIMITED BROCHURE; UNDATEDOPERATIONS AT DE BEERS CONSOLIDATED MINES LIMITED; 1963MINERAL RESOURCES OF SOUTH-CENTRAL AFRICA; PELLETIER, R.A.; 1964INTERNATIONAL DIAMOND ANNUAL; WILSON, A. N.; VOL. 1, 1971SOUTH AFRICAN MINING AND ENGINEERING JOURNAL, (N.D.), SOUTH AFRICAN MINING AND ENGINEERING JOURNAL.DE BEERS CONSOLIDATED MINES LIMITED, 1975, ANNUAL REPORT: DEBEERS CONSOLIDATED MINES LIMITED.WORLD MINING, 1975, WORLD MINING, JUNE 1975.DE BEERS CONSOLIDATED MINES LTD ANNUAL REPORTS ; DE BEERS ANNUAL REPORT-1986 ; DE BEERS ANNUAL REPORT 1981 ; DE BEERS ANNUAL REPORT - 1982 ; DE BEERS ANNUAL REPORT-1983 ; DE BEERS ANNUAL REPORT - 1984 ; DE BEERS ANNUAL REPORT - 1985 ; DE BEERS CONSOLIDATED DIAMONDS MINES LIMITED ANNUAL REPORT 1978 ; DE BEERS CONSOLIDATED DIAMOND MINES LIMITED ANNUAL REPORT 1979 ; DE BEERS CONSOLIDATED MINES LIMITED ANNUAL REPORT 1980 ; DEBEERS CONSOLIDATED MINES LIMITED ANNUAL REPORTS: 1971 , 1974 - 1977 ; DE BEERS CONSOLIDATED MINES LIMITED ANNUAL REPORTS: 1971 , 1974 - 1976