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Onverwacht Mine, Lydenburg, Eastern Bushveld Complex, Mpumalanga, South Africai
Regional Level Types
Onverwacht MineMine
Lydenburg- not defined -
Eastern Bushveld ComplexComplex
MpumalangaProvince
South AfricaCountry

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Latitude & Longitude (WGS84): 24° 40' South , 30° 7' East
Latitude & Longitude (decimal): -24.66667,30.11667
GeoHash:G#: ket7tmd63
Locality type:Mine
Köppen climate type:Cwa : Monsoon-influenced humid subtropical climate


A PGE mine in a hortonolite-dunite body. Now closed. Workings were at least to the 250 foot/meter (?) level.

Platiniferous magnesian dunite subvertical cylindrical pipe crosscutting the layered cumulates of the Bushveld complex (Lower Critical Zone).
Existence of magmatic replacement.
Magnesian dunite rimmed by harzburgite gradational into pyroxenitic wallrock (layered norites and anorthosites).
Core zone: Hortonolite dunite and wehrlite pegmatites.

Regions containing this locality

Transvaal, South Africa

Province (Former) - 838 mineral species & varietal names listed

Bushveld Complex, South Africa

Complex - 527 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


35 valid minerals. 3 (TL) - type locality of valid minerals.

Detailed Mineral List:

'Biotite'
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
Bornite
Formula: Cu5FeS4
Reference: Cabri, L. J., Laflamme, J. G., & Stewart, J. M. (1977). Platinum-group minerals from Onverwacht; II, Platarsite, a new sulfarsenide of platinum. The Canadian Mineralogist, 15(3), 385-388.
Braggite
Formula: (Pt,Pd,Ni)S
Reference: Minerals of South Africa
Cabriite
Formula: Pd2CuSn
Reference: Wilson, G. C., Rucklidge, J. C., & Cermignani, C. (2002). COARSE-GRAINED CABRIITE FROM NORIL’SK, RUSSIA. The Canadian Mineralogist, 40(2), 473-479.; Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
Chalcopyrite
Formula: CuFeS2
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
Cherepanovite
Formula: RhAs
Reference: Zaccarini, F., Garuti, G., & Cawthorn, R. G. (2002). Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex, South Africa. The Canadian Mineralogist, 40(2), 481-497.
'Chlorite Group'
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
'Chrome-Spinel (of Dana)'
Reference: South African Journal of Geology, Dec. 2004, V 107, N 4, pp. 505-520.
Chromite
Formula: Fe2+Cr3+2O4
Reference: Zaccarini, F., Garuti, G., & Cawthorn, R. G. (2002). Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex, South Africa. The Canadian Mineralogist, 40(2), 481-497.
'Clinopyroxene Subgroup'
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
Cooperite
Formula: PtS
Reference: Minerals of South Africa
'Fayalite-Forsterite Series'
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
Forsterite
Formula: Mg2SiO4
Reference: South African Journal of Geology, Dec. 2004, V 107, N 4, pp. 505-520.
Genkinite (TL)
Formula: (Pt,Pd,Rh)4Sb3
Type Locality:
Reference: Canadian Mineralogist(1977) 15, 389-392; Cabri, L. J., Laflamme, J. G., & Stewart, J. M. (1977). Platinum-group minerals from Onverwacht; II, Platarsite, a new sulfarsenide of platinum. The Canadian Mineralogist, 15(3), 385-388.
Geversite
Formula: PtSb2
Reference: Minerals of South Africa; Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
Hedenbergite
Formula: CaFe2+Si2O6
Reference: Minerals of South Africa
Hollingworthite
Formula: (Rh,Pt,Pd)AsS
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.; Zaccarini, F., Garuti, G., & Cawthorn, R. G. (2002). Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex, South Africa. The Canadian Mineralogist, 40(2), 481-497.
'Hornblende'
Reference: South African Journal of Geology, Dec. 2004, V 107, N 4, pp. 505-520.
Ilmenite
Formula: Fe2+TiO3
Reference: South African Journal of Geology, Dec. 2004, V 107, N 4, pp. 505-520.; Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
Irarsite (TL)
Formula: (Ir,Ru,Rh,Pt)AsS
Type Locality:
Reference: Minerals of South Africa
Iridium
Formula: (Ir,Os,Ru)
Reference: Minerals of South Africa
Iridium var: Osmiridium
Formula: (Ir,Os,Ru)
Reference: Minerals of South Africa
Isoferroplatinum
Formula: Pt3Fe
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.; Zaccarini, F., Garuti, G., & Cawthorn, R. G. (2002). Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex, South Africa. The Canadian Mineralogist, 40(2), 481-497.
Laurite
Formula: RuS2
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.; Zaccarini, F., Garuti, G., & Cawthorn, R. G. (2002). Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex, South Africa. The Canadian Mineralogist, 40(2), 481-497.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.; Zaccarini, F., Garuti, G., & Cawthorn, R. G. (2002). Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex, South Africa. The Canadian Mineralogist, 40(2), 481-497.
Magnetite var: Titaniferous Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
Reference: South African Journal of Geology, Dec. 2004, V 107, N 4, pp. 505-520.; Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
Mcguinnessite
Formula: (Mg,Cu)2(CO3)(OH)2
Reference: Zaccarini, F., Garuti, G., & Cawthorn, R. G. (2002). Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex, South Africa. The Canadian Mineralogist, 40(2), 481-497.
Mertieite-II
Formula: Pd8Sb2.5As0.5
Reference: Cabri, L. J., Laflamme, J. G., & Stewart, J. M. (1977). Platinum-group minerals from Onverwacht; II, Platarsite, a new sulfarsenide of platinum. The Canadian Mineralogist, 15(3), 385-388.
Pentlandite
Formula: (FexNiy)Σ9S8
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: South African Journal of Geology, Dec. 2004, V 107, N 4, pp. 505-520.; Zaccarini, F., Garuti, G., & Cawthorn, R. G. (2002). Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex, South Africa. The Canadian Mineralogist, 40(2), 481-497.
Platarsite (TL)
Formula: PtAsS
Type Locality:
Reference: Canadian Mineralogist(1977): 15, 385-388.; Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.; Cabri, L. J., Laflamme, J. G., & Stewart, J. M. (1977). Platinum-group minerals from Onverwacht; II, Platarsite, a new sulfarsenide of platinum. The Canadian Mineralogist, 15(3), 385-388.
Platinum
Formula: Pt
Reference: Cabri, L. J., Laflamme, J. G., & Stewart, J. M. (1977). Platinum-group minerals from Onverwacht; II, Platarsite, a new sulfarsenide of platinum. The Canadian Mineralogist, 15(3), 385-388.
Platinum var: Ferroan Platinum
Formula: (Pt,Fe)
Reference: Cabri, L. J., Laflamme, J. G., & Stewart, J. M. (1977). Platinum-group minerals from Onverwacht; II, Platarsite, a new sulfarsenide of platinum. The Canadian Mineralogist, 15(3), 385-388.
Rustenburgite
Formula: (Pt,Pd)3Sn
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
Ruthenarsenite
Formula: (Ru,Ni)As
Reference: Zaccarini, F., Garuti, G., & Cawthorn, R. G. (2002). Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex, South Africa. The Canadian Mineralogist, 40(2), 481-497.; Cabri, L. J., Laflamme, J. G., & Stewart, J. M. (1977). Platinum-group minerals from Onverwacht; II, Platarsite, a new sulfarsenide of platinum. The Canadian Mineralogist, 15(3), 385-388.
Ruthenium
Formula: (Ru,Ir)
Reference: Zaccarini, F., Garuti, G., & Cawthorn, R. G. (2002). Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex, South Africa. The Canadian Mineralogist, 40(2), 481-497.
Sobolevskite
Formula: Pd(Bi,Te)
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
Sperrylite
Formula: PtAs2
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.; Zaccarini, F., Garuti, G., & Cawthorn, R. G. (2002). Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex, South Africa. The Canadian Mineralogist, 40(2), 481-497.
Spinel
Formula: MgAl2O4
Reference: South African Journal of Geology, Dec. 2004, V 107, N 4, pp. 505-520.
Stibiopalladinite
Formula: Pd5Sb2
Reference: Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; Cabri, L. J., Laflamme, J. G., & Stewart, J. M. (1977). Platinum-group minerals from Onverwacht; II, Platarsite, a new sulfarsenide of platinum. The Canadian Mineralogist, 15(3), 385-388.
Tetraferroplatinum
Formula: PtFe
Reference: Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
Troilite
Formula: FeS
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
Ulvöspinel
Formula: TiFe2O4
Reference: Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
'UM1977-04-E:CuFeNiPtSb'
Formula: Pt10Fe3Ni3Cu3Sb
Reference: Cabri, L.J., Rosenzweig, A., Pinch, W.W. (1977): Platinum-group mineral from Onverwacht; I, Pt-Fe-Cu-Ni alloys. Can. Mineral.: 15: 380-384
Valleriite
Formula: (Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Reference: Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Cabriite'1.AG.30Pd2CuSn
Iridium1.AF.10(Ir,Os,Ru)
var: Osmiridium1.AF.10(Ir,Os,Ru)
Isoferroplatinum1.AG.35Pt3Fe
Platinum1.AF.10Pt
var: Ferroan Platinum1.AF.10(Pt,Fe)
Rustenburgite1.AG.10(Pt,Pd)3Sn
Ruthenium1.AF.05(Ru,Ir)
Tetraferroplatinum1.AG.40PtFe
Group 2 - Sulphides and Sulfosalts
'Bornite'2.BA.15Cu5FeS4
'Braggite'2.CC.35a(Pt,Pd,Ni)S
'Chalcopyrite'2.CB.10aCuFeS2
'Cherepanovite'2.CC.15RhAs
'Cooperite'2.CC.35bPtS
Genkinite (TL)2.AC.35a(Pt,Pd,Rh)4Sb3
Geversite2.EB.05aPtSb2
Hollingworthite2.EB.25(Rh,Pt,Pd)AsS
Irarsite (TL)2.EB.25(Ir,Ru,Rh,Pt)AsS
Laurite2.EB.05aRuS2
Mertieite-II2.AC.10bPd8Sb2.5As0.5
Pentlandite2.BB.15(FexNiy)Σ9S8
Platarsite (TL)2.EB.25PtAsS
Ruthenarsenite2.CC.15(Ru,Ni)As
Sobolevskite2.CC.05Pd(Bi,Te)
Sperrylite2.EB.05aPtAs2
Stibiopalladinite2.AC.20aPd5Sb2
Troilite2.CC.10FeS
Valleriite2.FD.30(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Group 4 - Oxides and Hydroxides
'Chromite'4.BB.05Fe2+Cr3+2O4
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
var: Titaniferous Magnetite4.BB.05Fe2+(Fe3+,Ti)2O4
Spinel4.BB.05MgAl2O4
Ulvöspinel4.BB.05TiFe2O4
Group 5 - Nitrates and Carbonates
Mcguinnessite5.BA.10(Mg,Cu)2(CO3)(OH)2
Group 9 - Silicates
Forsterite9.AC.05Mg2SiO4
Hedenbergite9.DA.15CaFe2+Si2O6
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Biotite'-
'Chlorite Group'-
'Chrome-Spinel (of Dana)'-
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
Hornblende-
UM1977-04-E:CuFeNiPtSb-Pt10Fe3Ni3Cu3Sb

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Platinum Group Metals and Alloys
Cabriite1.2.11.Pd2CuSn
Iridium1.2.1.2(Ir,Os,Ru)
Isoferroplatinum1.2.5.1Pt3Fe
Platinum1.2.1.1Pt
Rustenburgite1.2.5.2(Pt,Pd)3Sn
Ruthenium1.2.2.2(Ru,Ir)
Tetraferroplatinum1.2.4.1PtFe
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 5:2
Stibiopalladinite2.3.3.1Pd5Sb2
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmBnXp, with (m+n):p = 4:3
Genkinite (TL)2.6.4.1(Pt,Pd,Rh)4Sb3
AmBnXp, with (m+n):p = 9:8
Pentlandite2.7.1.1(FexNiy)Σ9S8
AmXp, with m:p = 1:1
Braggite2.8.5.3(Pt,Pd,Ni)S
Cherepanovite2.8.17.2RhAs
Cooperite2.8.5.1PtS
Ruthenarsenite2.8.17.1(Ru,Ni)As
Troilite2.8.9.1FeS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Geversite2.12.1.14PtSb2
Hollingworthite2.12.3.8(Rh,Pt,Pd)AsS
Irarsite (TL)2.12.3.7(Ir,Ru,Rh,Pt)AsS
Laurite2.12.1.10RuS2
Platarsite (TL)2.12.3.6PtAsS
Sperrylite2.12.1.13PtAs2
Hydroxysulfides and Hydrated Sulfides
Valleriite2.14.1.1(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Miscellaneous
Mertieite-II2.16.3.1Pd8Sb2.5As0.5
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Spinel7.2.1.1MgAl2O4
Ulvöspinel7.2.5.2TiFe2O4
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Mcguinnessite16a.3.1.4(Mg,Cu)2(CO3)(OH)2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Forsterite51.3.1.2Mg2SiO4
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Hedenbergite65.1.3a.2CaFe2+Si2O6
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, Rocks, etc.
'Biotite'-
'Chlorite Group'-
'Chrome-Spinel (of Dana)'-
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Hornblende'-
Iridium
var: Osmiridium
-(Ir,Os,Ru)
Magnetite
var: Titaniferous Magnetite
-Fe2+(Fe3+,Ti)2O4
Platinum
var: Ferroan Platinum
-(Pt,Fe)
Sobolevskite-Pd(Bi,Te)
'UM1977-04-E:CuFeNiPtSb'-Pt10Fe3Ni3Cu3Sb

List of minerals for each chemical element

HHydrogen
H Mcguinnessite(Mg,Cu)2(CO3)(OH)2
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
CCarbon
C Mcguinnessite(Mg,Cu)2(CO3)(OH)2
OOxygen
O ChromiteFe2+Cr23+O4
O ForsteriteMg2SiO4
O HedenbergiteCaFe2+Si2O6
O IlmeniteFe2+TiO3
O MagnetiteFe2+Fe23+O4
O Mcguinnessite(Mg,Cu)2(CO3)(OH)2
O PhlogopiteKMg3(AlSi3O10)(OH)2
O SpinelMgAl2O4
O Magnetite (var: Titaniferous Magnetite)Fe2+(Fe3+,Ti)2O4
O UlvöspinelTiFe2O4
O Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
MgMagnesium
Mg ForsteriteMg2SiO4
Mg Mcguinnessite(Mg,Cu)2(CO3)(OH)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg SpinelMgAl2O4
Mg Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
AlAluminium
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al SpinelMgAl2O4
Al Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
SiSilicon
Si ForsteriteMg2SiO4
Si HedenbergiteCaFe2+Si2O6
Si PhlogopiteKMg3(AlSi3O10)(OH)2
SSulfur
S BorniteCu5FeS4
S Braggite(Pt,Pd,Ni)S
S ChalcopyriteCuFeS2
S CooperitePtS
S Hollingworthite(Rh,Pt,Pd)AsS
S Irarsite(Ir,Ru,Rh,Pt)AsS
S LauriteRuS2
S Pentlandite(FexNiy)Σ9S8
S PlatarsitePtAsS
S TroiliteFeS
S Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca HedenbergiteCaFe2+Si2O6
TiTitanium
Ti IlmeniteFe2+TiO3
Ti Magnetite (var: Titaniferous Magnetite)Fe2+(Fe3+,Ti)2O4
Ti UlvöspinelTiFe2O4
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe ChromiteFe2+Cr23+O4
Fe Platinum (var: Ferroan Platinum)(Pt,Fe)
Fe HedenbergiteCaFe2+Si2O6
Fe IlmeniteFe2+TiO3
Fe IsoferroplatinumPt3Fe
Fe MagnetiteFe2+Fe23+O4
Fe Pentlandite(FexNiy)Σ9S8
Fe TetraferroplatinumPtFe
Fe Magnetite (var: Titaniferous Magnetite)Fe2+(Fe3+,Ti)2O4
Fe TroiliteFeS
Fe UlvöspinelTiFe2O4
Fe UM1977-04-E:CuFeNiPtSbPt10Fe3Ni3Cu3Sb
Fe Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
NiNickel
Ni Pentlandite(FexNiy)Σ9S8
Ni Ruthenarsenite(Ru,Ni)As
Ni UM1977-04-E:CuFeNiPtSbPt10Fe3Ni3Cu3Sb
CuCopper
Cu BorniteCu5FeS4
Cu CabriitePd2CuSn
Cu ChalcopyriteCuFeS2
Cu Mcguinnessite(Mg,Cu)2(CO3)(OH)2
Cu UM1977-04-E:CuFeNiPtSbPt10Fe3Ni3Cu3Sb
Cu Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
AsArsenic
As CherepanoviteRhAs
As Hollingworthite(Rh,Pt,Pd)AsS
As Irarsite(Ir,Ru,Rh,Pt)AsS
As Mertieite-IIPd8Sb2.5As0.5
As PlatarsitePtAsS
As Ruthenarsenite(Ru,Ni)As
As SperrylitePtAs2
RuRuthenium
Ru Irarsite(Ir,Ru,Rh,Pt)AsS
Ru LauriteRuS2
Ru Iridium (var: Osmiridium)(Ir,Os,Ru)
Ru Ruthenarsenite(Ru,Ni)As
Ru Ruthenium(Ru,Ir)
RhRhodium
Rh CherepanoviteRhAs
Rh Hollingworthite(Rh,Pt,Pd)AsS
Rh Irarsite(Ir,Ru,Rh,Pt)AsS
PdPalladium
Pd CabriitePd2CuSn
Pd Mertieite-IIPd8Sb2.5As0.5
Pd SobolevskitePd(Bi,Te)
Pd StibiopalladinitePd5Sb2
SnTin
Sn CabriitePd2CuSn
Sn Rustenburgite(Pt,Pd)3Sn
SbAntimony
Sb Genkinite(Pt,Pd,Rh)4Sb3
Sb GeversitePtSb2
Sb Mertieite-IIPd8Sb2.5As0.5
Sb StibiopalladinitePd5Sb2
Sb UM1977-04-E:CuFeNiPtSbPt10Fe3Ni3Cu3Sb
TeTellurium
Te SobolevskitePd(Bi,Te)
OsOsmium
Os Iridium (var: Osmiridium)(Ir,Os,Ru)
IrIridium
Ir Irarsite(Ir,Ru,Rh,Pt)AsS
Ir Iridium(Ir,Os,Ru)
Ir Iridium (var: Osmiridium)(Ir,Os,Ru)
PtPlatinum
Pt Braggite(Pt,Pd,Ni)S
Pt CooperitePtS
Pt Platinum (var: Ferroan Platinum)(Pt,Fe)
Pt Genkinite(Pt,Pd,Rh)4Sb3
Pt GeversitePtSb2
Pt Irarsite(Ir,Ru,Rh,Pt)AsS
Pt IsoferroplatinumPt3Fe
Pt PlatarsitePtAsS
Pt PlatinumPt
Pt Rustenburgite(Pt,Pd)3Sn
Pt SperrylitePtAs2
Pt TetraferroplatinumPtFe
Pt UM1977-04-E:CuFeNiPtSbPt10Fe3Ni3Cu3Sb
BiBismuth
Bi SobolevskitePd(Bi,Te)

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

Rhyacian
2050 - 2300 Ma



ID: 3306492

Age: Rhyacian (2050 - 2300 Ma)

Lithology: Plutonic

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

Rhyacian - Siderian
2050 - 2500 Ma



ID: 2226824
Dsjate Subsuite of Rustenburg Layered Suite of Bushveld Complex

Age: Proterozoic (2050 - 2500 Ma)

Stratigraphic Name: Dsjate Subsuite

Description: Gabbro, norite, anorthosite

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

Siderian
2300 - 2500 Ma



ID: 3184363
Paleoproterozoic intrusive rocks

Age: Siderian (2300 - 2500 Ma)

Stratigraphic Name: Bushveld Igneous Complex

Lithology: Intrusive igneous 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)
Cabri, L.J., Rosenzweig, A., and Pinch, W.W. (1977) Platinum-group minerals from Onverwacht. I. Pt-Fe-Cu-Ni alloys. Canadian Mineralogist: 15: 380-384.
Cabri, L.J., Feather, C.E., and Stewart, J.M. (1977) Platinum-group minerals from Onverwacht. II. Platarsite, a new sulfarsenide of platinum. Canadian Mineralogist: 15: 385-388.
Cabri, L.J., Stewart, J.M., Laflamme, J.H.G., and Szymanski, J.T. (1977) Platinum-group minerals from Onverwacht. III. Genkinite, (Pt,Pd)4Sb3, a new mineral. Canadian Mineralogist: 15: 389-392.
Rudashevsky, N. S., Avdontsev, S. N., & Dneprovskaya, M. B. (1992). Evolution of PGE mineralization in hortonolitic dunites of the Mooihoek and Onverwacht pipes, Bushveld Complex. Mineralogy and Petrology, 47(1), 37-54.
Zaccarini, F., Garuti, G., and Cawthorn, R.G. (2002) Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex. Canadian Mineralogist: 40: 481-497.
Scoon, R. N., & Mitchell, A. A. (2010). The principal geological features of the Onverwacht Platiniferous Dunite Pipe, eastern Limb of the Bushveld Complex. South African Journal of Geology, 113(2), 155-168.


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