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Wesselton Mine (Wesselton Shaft), KEM JV Mine (Kimberley Ekapa Mining Joint Venture mine; Kimberley Underground mine), Kimberley, Francis Baard District, Northern Cape, South Africai
Regional Level Types
Wesselton Mine (Wesselton Shaft)Mine
KEM JV Mine (Kimberley Ekapa Mining Joint Venture mine; Kimberley Underground mine)Mine (Active)
Kimberley- not defined -
Francis Baard DistrictDistrict
Northern CapeProvince
South AfricaCountry

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Key
Lock Map
Latitude & Longitude (WGS84): 28° 46' 4'' South , 24° 49' 43'' East
Latitude & Longitude (decimal): -28.76781,24.82877
GeoHash:G#: kdcskfzz2
Locality type:Mine
Köppen climate type:BSh : Hot semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Kimberley142,089 (2012)7.6km
Ritchie9,960 (2014)37.2km
Barkly West11,621 (2012)39.6km


A diamond mine in a kimberlite pipe. The Wesselton mine was the last of the Kimberley mines to be started in 1890. In 1891, the mine was taken over by DeBeers. When it was closed in 2005, the deepest level was at 995 meters below surface, making it the deepest diamond mine in the world.

Regions containing this locality

African PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


9 valid minerals.

Detailed Mineral List:

'Apatite'
Reference: White, J. L., Sparks, R. S. J., Bailey, K., Barnett, W. P., Field, M., & Windsor, L. (2012). Kimberlite sills and dykes associated with the Wesselton kimberlite pipe, Kimberley, South Africa. South African Journal of Geology, 115(1), 1-32.
Calcite
Formula: CaCO3
Reference: White, J. L., Sparks, R. S. J., Bailey, K., Barnett, W. P., Field, M., & Windsor, L. (2012). Kimberlite sills and dykes associated with the Wesselton kimberlite pipe, Kimberley, South Africa. South African Journal of Geology, 115(1), 1-32.
Chromite
Formula: Fe2+Cr3+2O4
Reference: Field, M., Stiefenhofer, J., Robey, J., and Kurszlaukis, S. (2008): Ore Geology Reviews 34, 33-75.
'Clinopyroxene Subgroup'
Reference: Field, M., Stiefenhofer, J., Robey, J., and Kurszlaukis, S. (2008): Ore Geology Reviews 34, 33-75.
Corundum
Formula: Al2O3
Reference: Mathias, M., Siebert, J.C., and Rickwood, P.C. (1970): Contributions to Mineralogy and Petrology 26, 75-123.
Diamond
Formula: C
Reference: Dana 7:I:149; Mining Annual Review (1985): 147; Rocks & Min.: 18:74.
Enstatite
Formula: MgSiO3
Reference: Field, M., Stiefenhofer, J., Robey, J., and Kurszlaukis, S. (2008): Ore Geology Reviews 34, 33-75.
'Fayalite-Forsterite Series'
Reference: Field, M., Stiefenhofer, J., Robey, J., and Kurszlaukis, S. (2008): Ore Geology Reviews 34, 33-75.; White, J. L., Sparks, R. S. J., Bailey, K., Barnett, W. P., Field, M., & Windsor, L. (2012). Kimberlite sills and dykes associated with the Wesselton kimberlite pipe, Kimberley, South Africa. South African Journal of Geology, 115(1), 1-32.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Field, M., Stiefenhofer, J., Robey, J., and Kurszlaukis, S. (2008): Ore Geology Reviews 34, 33-75.
Ilmenite
Formula: Fe2+TiO3
Reference: Field, M., Stiefenhofer, J., Robey, J., and Kurszlaukis, S. (2008): Ore Geology Reviews 34, 33-75.
'Orthopyroxene Subgroup'
Reference: White, J. L., Sparks, R. S. J., Bailey, K., Barnett, W. P., Field, M., & Windsor, L. (2012). Kimberlite sills and dykes associated with the Wesselton kimberlite pipe, Kimberley, South Africa. South African Journal of Geology, 115(1), 1-32.
Perovskite
Formula: CaTiO3
Reference: Goldschmidt Conference Abstracts (2011) Mineralogical Magazine p1798; White, J. L., Sparks, R. S. J., Bailey, K., Barnett, W. P., Field, M., & Windsor, L. (2012). Kimberlite sills and dykes associated with the Wesselton kimberlite pipe, Kimberley, South Africa. South African Journal of Geology, 115(1), 1-32.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Field, M., Stiefenhofer, J., Robey, J., and Kurszlaukis, S. (2008): Ore Geology Reviews 34, 33-75.; White, J. L., Sparks, R. S. J., Bailey, K., Barnett, W. P., Field, M., & Windsor, L. (2012). Kimberlite sills and dykes associated with the Wesselton kimberlite pipe, Kimberley, South Africa. South African Journal of Geology, 115(1), 1-32.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Reference: White, J. L., Sparks, R. S. J., Bailey, K., Barnett, W. P., Field, M., & Windsor, L. (2012). Kimberlite sills and dykes associated with the Wesselton kimberlite pipe, Kimberley, South Africa. South African Journal of Geology, 115(1), 1-32.
Spinel
Formula: MgAl2O4
Reference: White, J. L., Sparks, R. S. J., Bailey, K., Barnett, W. P., Field, M., & Windsor, L. (2012). Kimberlite sills and dykes associated with the Wesselton kimberlite pipe, Kimberley, South Africa. South African Journal of Geology, 115(1), 1-32.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Diamond1.CB.10aC
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Corundum4.CB.05Al2O3
Ilmenite4.CB.05Fe2+TiO3
Perovskite4.CC.30CaTiO3
Spinel4.BB.05MgAl2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Enstatite9.DA.05MgSiO3
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3
'Orthopyroxene Subgroup'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Diamond1.3.6.1C
Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Ilmenite4.3.5.1Fe2+TiO3
Perovskite4.3.3.1CaTiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Spinel7.2.1.1MgAl2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Enstatite65.1.2.1MgSiO3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Unclassified Minerals, Mixtures, etc.
'Apatite'-
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3
'Orthopyroxene Subgroup'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
CCarbon
C DiamondC
C CalciteCaCO3
OOxygen
O IlmeniteFe2+TiO3
O Garnet GroupX3Z2(SiO4)3
O EnstatiteMgSiO3
O ChromiteFe2+Cr23+O4
O PhlogopiteKMg3(AlSi3O10)(OH)2
O CorundumAl2O3
O PerovskiteCaTiO3
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O CalciteCaCO3
O SpinelMgAl2O4
MgMagnesium
Mg EnstatiteMgSiO3
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg SpinelMgAl2O4
AlAluminium
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al CorundumAl2O3
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Al SpinelMgAl2O4
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
Si EnstatiteMgSiO3
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca PerovskiteCaTiO3
Ca CalciteCaCO3
TiTitanium
Ti IlmeniteFe2+TiO3
Ti PerovskiteCaTiO3
CrChromium
Cr ChromiteFe2+Cr23+O4
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe IlmeniteFe2+TiO3
Fe ChromiteFe2+Cr23+O4
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Quaternary
0 - 2.588 Ma



ID: 3308871

Age: Pleistocene (0 - 2.588 Ma)

Lithology: Sedimentary

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

Permian
251.902 - 298.9 Ma



ID: 2230572
Prince Albert Formation of Ecca Group of Karoo Supergroup

Age: Phanerozoic (251.902 - 298.9 Ma)

Stratigraphic Name: Prince Albert Formation

Description: Dark-grey mudrock

Reference: Council for Geoscience. Geologic map of South Africa, 1:1M. National Science Councils of South Africa. [41]

Permian
251.902 - 298.9 Ma



ID: 3189153
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 298.9 Ma)

Stratigraphic Name: Karoo Supergroup

Comments: Karoo Basin

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Palache, Charles, Harry Berman & Clifford Frondel (1944) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, 834pp.: 149.
Mathias, M., Siebert, J.C., and Rickwood, P.C. (1970) Some Aspects of the Mineralogy and Petrology of Ultramafic Xenoliths in Kimberlite. Contributions to Mineralogy and Petrology: 26: 75-123.
Rocks & Minerals: 18: 74.
Mining Annual Review (1985): 147.
Mitchell, R.H. (1994) Accessory rare earth, strontium, barium and zirconium minerals in the Benfontein and Wesselton calcite kimberlites. In: Proceedngs of the Fifth International Kimberlite Conference (H.O.A. Meyer & O.H. Leonardos, editors). Companhia de Pesquisa de Recursos Minerais, Spec. Publication 1: 115-128.
Field, M., Stiefenhofer, J., Robey, J., and Kurszlaukis, S. (2008) Kimberlite-hosted diamond deposits of southern Africa: A review. Ore Geology Reviews: 34: 33-75.
White, J. L., Sparks, R. S. J., Bailey, K., Barnett, W. P., Field, M., & Windsor, L. (2012) Kimberlite sills and dykes associated with the Wesselton kimberlite pipe, Kimberley, South Africa. South African Journal of Geology: 115(1): 1-32.


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