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Bon Accord Ni deposit, Bon Accord, Barberton, Ehlanzeni District, Mpumalanga Province, South Africa

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Latitude & Longitude (WGS84): 25° 40' 59'' South , 31° 10' 0'' East
Latitude & Longitude (decimal): -25.68333,31.16667
GeoHash:G#: keqjvhqze
Locality type:Deposit
Köppen climate type:Cwa : Monsoon-influenced humid subtropical climate


Bon Accord 282 JU farm.
A small (6 x 3 x 0.3 m) deposit of nickel minerals. Two mineralogically seperate deposits - one consisting of sulfides, the other oxidized.

Also a number of minerals in the system Ni-Sb-As were found, but were too small to characterize. Various PGM minerals : stibiopalladinite
(Pd5Sb2), naldrettite (Pd2Sb), ungavaite (Pd4Sb3), and sudburyite
(Pd,Sb). The Pt bearing PGM probably corresponds to genkinite
[(Pt,Pd)4Sb3] or platarsite (PtAsS). The grains containing Ru and
S very likely are laurite (RuS2) and ruarsite (RuAsS), but are too small to characterize. see Zaccarini et al (2014).

Alternative Label Names

This is a list of additional names that have been recorded for mineral labels associated with this locality in the minID database. This may include previous versions of the locality name hierarchy from mindat.org, data entry errors, and it may also include unconfirmed sublocality names or other names that can only be matched to this level.

Near Scotia Talc mine, Mnt. Barberton, Transvaal, South Africa

Regions containing this locality

Transvaal, South Africa

Province (Former) - 828 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


26 valid minerals. 6 (TL) - type locality of valid minerals.

Detailed Mineral List:

Bonaccordite (TL)
Formula: Ni2Fe3+(BO3)O2
Reference: [Trans.Geol.Soc.S.Afr.(1974) 77, 373; Nickel & Nichols, 1991 - "Mineral Reference Manual, p25]
Breithauptite
Formula: NiSb
Reference: O'Driscoll, B., Clay, P. L., Cawthorn, R. G., Lenaz, D., Adetunji, J., & Kronz, A. (2014). Trevorite: Ni-rich spinel formed by metasomatism and desulfurization processes at Bon Accord, South Africa?. Mineralogical Magazine, 78(1), 145-163.
Bunsenite
Formula: NiO
Reference: Am. Min. 61, 502 (1976); O'Driscoll, B., Clay, P. L., Cawthorn, R. G., Lenaz, D., Adetunji, J., & Kronz, A. (2014). Trevorite: Ni-rich spinel formed by metasomatism and desulfurization processes at Bon Accord, South Africa?. Mineralogical Magazine, 78(1), 145-163.
Cochromite (TL)
Formula: (Co,Ni,Fe)(Cr,Al)2O4
Reference: Am Min 65 (1980), 811; O'Driscoll, B., Clay, P. L., Cawthorn, R. G., Lenaz, D., Adetunji, J., & Kronz, A. (2014). Trevorite: Ni-rich spinel formed by metasomatism and desulfurization processes at Bon Accord, South Africa?. Mineralogical Magazine, 78(1), 145-163.
'Electrum'
Formula: (Au, Ag)
Reference: Zaccarini, F., Tredoux, M., Miller, D. E., Garuti, G., Aiglsperger, T., & Proenza, J. A. (2014). The occurrence of platinum-group element and gold minerals in the Bon Accord Ni-oxide body, South Africa. American Mineralogist, 99(8-9), 1774-1782.
Gaspéite
Formula: Ni(CO3)
Reference: Am. Min. 61, 502 (1976)
Gersdorffite
Formula: NiAsS
Reference: Minerals of South Africa
Goethite
Formula: α-Fe3+O(OH)
Reference: Am Min 54 (1969), 1204-1208
Gold
Formula: Au
Reference: Zaccarini, F., Tredoux, M., Miller, D. E., Garuti, G., Aiglsperger, T., & Proenza, J. A. (2014). The occurrence of platinum-group element and gold minerals in the Bon Accord Ni-oxide body, South Africa. American Mineralogist, 99(8-9), 1774-1782.
Kotulskite
Formula: Pd(Te,Bi)
Reference: Zaccarini, F., Tredoux, M., Miller, D. E., Garuti, G., Aiglsperger, T., & Proenza, J. A. (2014). The occurrence of platinum-group element and gold minerals in the Bon Accord Ni-oxide body, South Africa. American Mineralogist, 99(8-9), 1774-1782.
Liebenbergite (TL)
Formula: (Ni,Mg)2SiO4
Reference: Am. Min. 61, 502 (1976)
Millerite
Formula: NiS
Reference: Am. Min. 61, 502 (1976); Am Min 54 (1969), 1204-1208; O'Driscoll, B., Clay, P. L., Cawthorn, R. G., Lenaz, D., Adetunji, J., & Kronz, A. (2014). Trevorite: Ni-rich spinel formed by metasomatism and desulfurization processes at Bon Accord, South Africa?. Mineralogical Magazine, 78(1), 145-163.
Népouite
Formula: (Ni,Mg)3(Si2O5)(OH)4
Reference: Am. Min. 61, 502 (1976); Zaccarini, F., Tredoux, M., Miller, D. E., Garuti, G., Aiglsperger, T., & Proenza, J. A. (2014). The occurrence of platinum-group element and gold minerals in the Bon Accord Ni-oxide body, South Africa. American Mineralogist, 99(8-9), 1774-1782.
'Nichromite'
Formula: (Ni,Co,Fe)(Cr,Fe,Al)2O4
Reference: Minerals of South Africa
Nimite (TL)
Formula: (Ni,Mg,Al)6((Si,Al)4O10)(OH)8
Reference: American Mineralogist (1969): 54: 1739; O'Driscoll, B., Clay, P. L., Cawthorn, R. G., Lenaz, D., Adetunji, J., & Kronz, A. (2014). Trevorite: Ni-rich spinel formed by metasomatism and desulfurization processes at Bon Accord, South Africa?. Mineralogical Magazine, 78(1), 145-163.
Opal
Formula: SiO2 · nH2O
Reference: Am Min 54 (1969), 1204-1208
Pentlandite
Formula: (FexNiy)Σ9S8
Reference: Minerals of South Africa
Pyrite
Formula: FeS2
Reference: Minerals of South Africa
Pyrrhotite
Formula: Fe7S8
Reference: Minerals of South Africa
Reevesite
Formula: Ni6Fe3+2(OH)16(CO3) · 4H2O
Reference: Minerals of South Africa; Am Min 54 (1969), 1204-1208
Ruthenium
Formula: (Ru,Ir)
Reference: Zaccarini, F., Tredoux, M., Miller, D. E., Garuti, G., Aiglsperger, T., & Proenza, J. A. (2014). The occurrence of platinum-group element and gold minerals in the Bon Accord Ni-oxide body, South Africa. American Mineralogist, 99(8-9), 1774-1782.
Sobolevskite
Formula: Pd(Bi,Te)
Reference: Zaccarini, F., Tredoux, M., Miller, D. E., Garuti, G., Aiglsperger, T., & Proenza, J. A. (2014). The occurrence of platinum-group element and gold minerals in the Bon Accord Ni-oxide body, South Africa. American Mineralogist, 99(8-9), 1774-1782.
Sperrylite
Formula: PtAs2
Reference: Zaccarini, F., Tredoux, M., Miller, D. E., Garuti, G., Aiglsperger, T., & Proenza, J. A. (2014). The occurrence of platinum-group element and gold minerals in the Bon Accord Ni-oxide body, South Africa. American Mineralogist, 99(8-9), 1774-1782.
Stibnite
Formula: Sb2S3
Reference: O'Driscoll, B., Clay, P. L., Cawthorn, R. G., Lenaz, D., Adetunji, J., & Kronz, A. (2014). Trevorite: Ni-rich spinel formed by metasomatism and desulfurization processes at Bon Accord, South Africa?. Mineralogical Magazine, 78(1), 145-163.
Tredouxite
Formula: NiSb2O6
Reference: Bindi, L., Zaccarini, F., Miller, D.E., Garuti, G. (2017): Tredouxite, IMA 2017-061. CNMNC Newsletter No. 39, October 2017, page 1284; Mineralogical Magazine, 81, 1279–1286; http://forum.amiminerals.it/viewtopic.phpf=5&t=14029&sid=1bd8fea6f10174ac7bdd04a79c06bffd (2017)
Trevorite (TL)
Formula: Ni2+Fe3+2O4
Reference: Am Min 57 (1972), 1524; O'Driscoll, B., Clay, P. L., Cawthorn, R. G., Lenaz, D., Adetunji, J., & Kronz, A. (2014). Trevorite: Ni-rich spinel formed by metasomatism and desulfurization processes at Bon Accord, South Africa?. Mineralogical Magazine, 78(1), 145-163.; Zaccarini, F., Tredoux, M., Miller, D. E., Garuti, G., Aiglsperger, T., & Proenza, J. A. (2014). The occurrence of platinum-group element and gold minerals in the Bon Accord Ni-oxide body, South Africa. American Mineralogist, 99(8-9), 1774-1782.; Cairncross, B. and Dixon, R., (1995) Minerals of South Africa. The Geological Society of South Africa: 20; Am. Min. 61, 502 (1976); Am Min 54 (1969), 1204-1208
'Unnamed (Ni Antimonide)'
Formula: Ni3Sb
Reference: Tredoux, M., Zaccarini, F., Garuti, G., Miller, D.E. (2016): Phases in the Ni-Sb-AS system which occur in the Bon Accord oxide body, Barberton greenstone belt, South Africa. Mineralogical Magazine, 80, 187-198
'Unnamed (Ni Antimonide-Arsenide II)'
Formula: Ni5(Sb,As)2
Reference: Tredoux, M., Zaccarini, F., Garuti, G., Miller, D.E. (2016): Phases in the Ni-Sb-AS system which occur in the Bon Accord oxide body, Barberton greenstone belt, South Africa. Mineralogical Magazine, 80, 187-198
'Unnamed (Ni Antimonide-Arsenide III)'
Formula: Ni7(Sb,As)3
Reference: Tredoux, M., Zaccarini, F., Garuti, G., Miller, D.E. (2016): Phases in the Ni-Sb-AS system which occur in the Bon Accord oxide body, Barberton greenstone belt, South Africa. Mineralogical Magazine, 80, 187-198
'Unnamed (Ni Antimonide-Arsenide IV)'
Formula: Ni11(Sb,As)8
Reference: Tredoux, M., Zaccarini, F., Garuti, G., Miller, D.E. (2016): Phases in the Ni-Sb-AS system which occur in the Bon Accord oxide body, Barberton greenstone belt, South Africa. Mineralogical Magazine, 80, 187-198
'Unnamed (Ni Arsenide)'
Formula: Ni3As
Reference: Tredoux, M., Zaccarini, F., Garuti, G., Miller, D.E. (2016): Phases in the Ni-Sb-AS system which occur in the Bon Accord oxide body, Barberton greenstone belt, South Africa. Mineralogical Magazine, 80, 187-198
Violarite
Formula: Fe2+Ni3+2S4
Reference: Am. Min. 61, 502 (1976); Am Min 54 (1969), 1204-1208
Willemseite (TL)
Formula: Ni3Si4O10(OH)2
Reference: Nat.Inst.Met.(S.A.)Res.Rep.(1968) 352, 1-14; Am Min 55 (1970), 31; O'Driscoll, B., Clay, P. L., Cawthorn, R. G., Lenaz, D., Adetunji, J., & Kronz, A. (2014). Trevorite: Ni-rich spinel formed by metasomatism and desulfurization processes at Bon Accord, South Africa?. Mineralogical Magazine, 78(1), 145-163.; Zaccarini, F., Tredoux, M., Miller, D. E., Garuti, G., Aiglsperger, T., & Proenza, J. A. (2014). The occurrence of platinum-group element and gold minerals in the Bon Accord Ni-oxide body, South Africa. American Mineralogist, 99(8-9), 1774-1782.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Electrum'1.AA.05(Au, Ag)
'Gold'1.AA.05Au
'Ruthenium'1.AF.05(Ru,Ir)
Group 2 - Sulphides and Sulfosalts
'Breithauptite'2.CC.05NiSb
'Gersdorffite'2.EB.25NiAsS
'Kotulskite'2.CC.05Pd(Te,Bi)
'Millerite'2.CC.20NiS
'Pentlandite'2.BB.15(FexNiy)Σ9S8
'Pyrite'2.EB.05aFeS2
'Pyrrhotite'2.CC.10Fe7S8
'Sobolevskite'2.CC.05Pd(Bi,Te)
'Sperrylite'2.EB.05aPtAs2
'Stibnite'2.DB.05Sb2S3
'Violarite'2.DA.05Fe2+Ni3+2S4
Group 4 - Oxides and Hydroxides
'Bunsenite'4.AB.25NiO
'Cochromite' (TL)4.BB.05(Co,Ni,Fe)(Cr,Al)2O4
'Goethite'4.00.α-Fe3+O(OH)
'Nichromite'4.BB.05(Ni,Co,Fe)(Cr,Fe,Al)2O4
'Opal'4.DA.10SiO2 · nH2O
'Trevorite' (TL)4.BB.05Ni2+Fe3+2O4
Group 5 - Nitrates and Carbonates
'Gaspéite'5.AB.05Ni(CO3)
'Reevesite'5.DA.50Ni6Fe3+2(OH)16(CO3) · 4H2O
Group 6 - Borates
'Bonaccordite' (TL)6.AB.30Ni2Fe3+(BO3)O2
Group 9 - Silicates
'Liebenbergite' (TL)9.AC.05(Ni,Mg)2SiO4
'Nimite' (TL)9.EC.55(Ni,Mg,Al)6((Si,Al)4O10)(OH)8
'Népouite'9.ED.15(Ni,Mg)3(Si2O5)(OH)4
'Willemseite' (TL)9.EC.05Ni3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Tredouxite'-NiSb2O6
'Unnamed (Ni Antimonide)'-Ni3Sb
'Unnamed (Ni Antimonide-Arsenide II)'-Ni5(Sb,As)2
'Unnamed (Ni Antimonide-Arsenide III)'-Ni7(Sb,As)3
'Unnamed (Ni Antimonide-Arsenide IV)'-Ni11(Sb,As)8
'Unnamed (Ni Arsenide)'-Ni3As

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Platinum Group Metals and Alloys
Ruthenium1.2.2.2(Ru,Ir)
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 9:8
Pentlandite2.7.1.1(FexNiy)Σ9S8
AmXp, with m:p = 1:1
Breithauptite2.8.11.2NiSb
Millerite2.8.16.1NiS
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 3:4
Violarite2.10.1.8Fe2+Ni3+2S4
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Gersdorffite2.12.3.2NiAsS
Pyrite2.12.1.1FeS2
Sperrylite2.12.1.13PtAs2
Group 4 - SIMPLE OXIDES
AX
Bunsenite4.2.1.2NiO
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Cochromite (TL)7.2.3.5(Co,Ni,Fe)(Cr,Al)2O4
'Nichromite'7.2.3.4(Ni,Co,Fe)(Cr,Fe,Al)2O4
Trevorite (TL)7.2.2.5Ni2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Gaspéite14.1.1.8Ni(CO3)
Group 16b - HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
Reevesite16b.6.3.1Ni6Fe3+2(OH)16(CO3) · 4H2O
Group 24 - ANHYDROUS BORATES
A2BO2[XO3]
Bonaccordite (TL)24.2.1.4Ni2Fe3+(BO3)O2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Liebenbergite (TL)51.3.1.3(Ni,Mg)2SiO4
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Népouite71.1.2b.3(Ni,Mg)3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Willemseite (TL)71.2.1.4Ni3Si4O10(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Nimite (TL)71.4.1.5(Ni,Mg,Al)6((Si,Al)4O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Rocks, etc.
'Electrum'-(Au, Ag)
Kotulskite-Pd(Te,Bi)
Sobolevskite-Pd(Bi,Te)
Tredouxite-NiSb2O6
'Unnamed (Ni Antimonide)'-Ni3Sb
'Unnamed (Ni Antimonide-Arsenide II)'-Ni5(Sb,As)2
'Unnamed (Ni Antimonide-Arsenide III)'-Ni7(Sb,As)3
'Unnamed (Ni Antimonide-Arsenide IV)'-Ni11(Sb,As)8
'Unnamed (Ni Arsenide)'-Ni3As

List of minerals for each chemical element

HHydrogen
H Goethiteα-Fe3+O(OH)
H Népouite(Ni,Mg)3(Si2O5)(OH)4
H Nimite(Ni,Mg,Al)6((Si,Al)4O10)(OH)8
H OpalSiO2 · nH2O
H ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
H WillemseiteNi3Si4O10(OH)2
BBoron
B BonaccorditeNi2Fe3+(BO3)O2
CCarbon
C GaspéiteNi(CO3)
C ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
OOxygen
O BonaccorditeNi2Fe3+(BO3)O2
O BunseniteNiO
O Cochromite(Co,Ni,Fe)(Cr,Al)2O4
O GaspéiteNi(CO3)
O Goethiteα-Fe3+O(OH)
O Liebenbergite(Ni,Mg)2SiO4
O Népouite(Ni,Mg)3(Si2O5)(OH)4
O Nichromite(Ni,Co,Fe)(Cr,Fe,Al)2O4
O Nimite(Ni,Mg,Al)6((Si,Al)4O10)(OH)8
O OpalSiO2 · nH2O
O ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
O TredouxiteNiSb2O6
O TrevoriteNi2+Fe23+O4
O WillemseiteNi3Si4O10(OH)2
MgMagnesium
Mg Népouite(Ni,Mg)3(Si2O5)(OH)4
Mg Nimite(Ni,Mg,Al)6((Si,Al)4O10)(OH)8
AlAluminium
Al Cochromite(Co,Ni,Fe)(Cr,Al)2O4
Al Nichromite(Ni,Co,Fe)(Cr,Fe,Al)2O4
Al Nimite(Ni,Mg,Al)6((Si,Al)4O10)(OH)8
SiSilicon
Si Liebenbergite(Ni,Mg)2SiO4
Si Népouite(Ni,Mg)3(Si2O5)(OH)4
Si Nimite(Ni,Mg,Al)6((Si,Al)4O10)(OH)8
Si OpalSiO2 · nH2O
Si WillemseiteNi3Si4O10(OH)2
SSulfur
S GersdorffiteNiAsS
S MilleriteNiS
S Pentlandite(FexNiy)Σ9S8
S PyriteFeS2
S PyrrhotiteFe7S8
S StibniteSb2S3
S ViolariteFe2+Ni23+S4
CrChromium
Cr Cochromite(Co,Ni,Fe)(Cr,Al)2O4
Cr Nichromite(Ni,Co,Fe)(Cr,Fe,Al)2O4
FeIron
Fe BonaccorditeNi2Fe3+(BO3)O2
Fe Cochromite(Co,Ni,Fe)(Cr,Al)2O4
Fe Goethiteα-Fe3+O(OH)
Fe Nichromite(Ni,Co,Fe)(Cr,Fe,Al)2O4
Fe Pentlandite(FexNiy)Σ9S8
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
Fe ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
Fe TrevoriteNi2+Fe23+O4
Fe ViolariteFe2+Ni23+S4
CoCobalt
Co Cochromite(Co,Ni,Fe)(Cr,Al)2O4
Co Nichromite(Ni,Co,Fe)(Cr,Fe,Al)2O4
NiNickel
Ni BonaccorditeNi2Fe3+(BO3)O2
Ni BreithauptiteNiSb
Ni BunseniteNiO
Ni Cochromite(Co,Ni,Fe)(Cr,Al)2O4
Ni GaspéiteNi(CO3)
Ni GersdorffiteNiAsS
Ni Liebenbergite(Ni,Mg)2SiO4
Ni MilleriteNiS
Ni Népouite(Ni,Mg)3(Si2O5)(OH)4
Ni Nichromite(Ni,Co,Fe)(Cr,Fe,Al)2O4
Ni Nimite(Ni,Mg,Al)6((Si,Al)4O10)(OH)8
Ni Pentlandite(FexNiy)Σ9S8
Ni ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
Ni TredouxiteNiSb2O6
Ni TrevoriteNi2+Fe23+O4
Ni Unnamed (Ni Antimonide)Ni3Sb
Ni Unnamed (Ni Antimonide-Arsenide II)Ni5(Sb,As)2
Ni Unnamed (Ni Antimonide-Arsenide III)Ni7(Sb,As)3
Ni Unnamed (Ni Antimonide-Arsenide IV)Ni11(Sb,As)8
Ni Unnamed (Ni Arsenide)Ni3As
Ni ViolariteFe2+Ni23+S4
Ni WillemseiteNi3Si4O10(OH)2
AsArsenic
As GersdorffiteNiAsS
As SperrylitePtAs2
As Unnamed (Ni Antimonide-Arsenide II)Ni5(Sb,As)2
As Unnamed (Ni Antimonide-Arsenide III)Ni7(Sb,As)3
As Unnamed (Ni Antimonide-Arsenide IV)Ni11(Sb,As)8
As Unnamed (Ni Arsenide)Ni3As
RuRuthenium
Ru Ruthenium(Ru,Ir)
PdPalladium
Pd KotulskitePd(Te,Bi)
Pd SobolevskitePd(Bi,Te)
AgSilver
Ag Electrum(Au, Ag)
SbAntimony
Sb BreithauptiteNiSb
Sb StibniteSb2S3
Sb TredouxiteNiSb2O6
Sb Unnamed (Ni Antimonide)Ni3Sb
Sb Unnamed (Ni Antimonide-Arsenide II)Ni5(Sb,As)2
Sb Unnamed (Ni Antimonide-Arsenide III)Ni7(Sb,As)3
Sb Unnamed (Ni Antimonide-Arsenide IV)Ni11(Sb,As)8
TeTellurium
Te KotulskitePd(Te,Bi)
Te SobolevskitePd(Bi,Te)
PtPlatinum
Pt SperrylitePtAs2
AuGold
Au Electrum(Au, Ag)
Au GoldAu
BiBismuth
Bi KotulskitePd(Te,Bi)
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

Archean
2500 - 4000 Ma



ID: 2227411
Moodies Group of Barberton Supergroup

Age: Archean (2500 - 4000 Ma)

Stratigraphic Name: Moodies Group

Description: Sandstone/quartzite, shale, conglomerate, minor jaspilite

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

Mesoarchean - Paleoarchean
2800 - 3600 Ma



ID: 3187538
Archean crystalline metamorphic rocks

Age: Archean (2800 - 3600 Ma)

Lithology: Crystalline metamorphic 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]

Paleoarchean
3200 - 3600 Ma



ID: 3311889

Age: Paleoarchean (3200 - 3600 Ma)

Lithology: Volcanic-sedimentary and metamorphic

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

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)
Partridge, F.C. (1943). Trevorite and a suggested new nickel bearing silicate from Bon Accord, Sheba Siding, Barberton district. Transactions of the Geological Society of South Africa, 46, 119-126.
Hiemstra, S.A. and de Waal, S.A., (1968). Nickel minerals from Barberton - III. Willemseite, a nickelian talc. National Institute of Metallurgy (South Africa), Research Report 352, 11-14.
De Waal, S.A., (1969). Nickel minerals from Barberton, South Africa: I Ferroan trevorite. American Mineralogist, 54, 1204-1208.
De Waal, S.A., (1970a). Nickel minerals from Barberton, South Africa: II Nimite, a nickel rich chlorite. American Mineralogist, 55, 18-30.
De Waal, S.A., (1970b). Nickel minerals from Barberton, South Africa: III Willemseite, a nickel rich talc. American Mineralogist, 55, 31-42.
De Waal, S.A. and Viljoen, E.A., (1971). Nickel minerals from Barberton, South Africa: IV Reevesite, a member of the hydrotalcite group. American Mineralogist, 56, 1077-1081.
De Waal, S.A., (1972). Nickel minerals from Barberton, South Africa: V Trevorite, redescribed. American Mineralogist, 57, 1524-1527.
De Waal, S.A. and Calk, L.C., (1973). Nickel minerals from Barberton, South Africa: VI Liebenbergite, a nickel olivine. American Mineralogist, 58, 733-735.
De Waal, S.A., Viljoen, E.A. and Calk, L.C., (1974). Nickel minerals from Barberton, South Africa: VII Bonaccordite, the nickel analogue of ludwigite. Transactions of the Geological Society of South Africa, 77, 375.
De Waal, S.A., (1978). Nickel minerals from Barberton - VIII. The spinels cochromite and nichromite and their significance to the origin of the Bon Accord nickel deposit: Bulletin du Bureau de Recherches Géologiques et Miniéres. Section 2 (Géologie des Gites Minéraux), 225-230.
De Waal, S.A., (1978). The nickel deposit at Bon Accord, Barberton, South Africa a proposed paleometeorite. Special Publication Geological Society of South Africa, 4, 87-98.
De Waal, S.A., (1979). The metamorphism of the Bon Accord nickel deposit by the Nelspruit Granite. Transactions of the Geological Society of South Africa, 82, 335-342.
Southwood, M.J., (1984). A preliminary investigation of nickel sulphide mineralization on the farm "Bon Accord", near Barberton. MINTEK Report (unpublished), Johannesburg, 138, 4 pp.
De Waal, S.A., (1986). The Bon Accord nickel occurrence at Barberton. In: Anhaeusser, C.R. and Maske, S., (Eds.). Mineral Deposits of Southern Africa, Vols I & II, Geological Society of South Africa, Johannesburg, 287-291.
De Wit, M.J., Tredoux, M., Hart, R.J., Armstrong, R. and Sellschop, J.P.F., (1986). Platinoids in a 3.6 Ga nickel iron occurrence: implications for early terrestrial evolution and iridium anomalies. Abstract. Seventeenth Lunar and Planetary Science Conference, Lunar and Planetary Institute, Houston, 184-185.
Tredoux, M., de Wit, M.J., Hart, R.J., Armstrong, R.A., Lindsay, N.M. and Sellschop, P.F. (1989). Platinum group elements in a 3.5 Ga nickel-iron occurrence: possible evidence for a deep mantle origin. Journal of Geophysical Research, 94(B1), 795-813.
Tredoux, M., Roelofse, F. and Shukolyukov, A. (2013). Isotope characteristics of the Bon Accord oxide body, Barberton greenstone belt, South Africa. Goldschmidt Abstracts 2013,Mineralogical Magazine, 77, page 2351, doi:10.1180/minmag.2013.077.5.20
O'Driscoll, B., Clay, P. L., Cawthorn, R. G., Lenaz, D., Adetunji, J., & Kronz, A. (2014). Trevorite: Ni-rich spinel formed by metasomatism and desulfurization processes at Bon Accord, South Africa?. Mineralogical Magazine, 78(1), 145-163.
Zaccarini, F., Tredoux, M., Miller, D. E., Garuti, G., Aiglsperger, T., & Proenza, J. A. (2014). The occurrence of platinum-group element and gold minerals in the Bon Accord Ni-oxide body, South Africa. American Mineralogist, 99(8-9), 1774-1782.
Chabunga, N. 2015. Nickel mineralization in the Jamestown ophiolite, Barberton greenstone belt, South Africa. MSc thesis (unpublished). Department of Geology, University of the Free State, Bloemfontein, Soutn Africa, 243 pp.

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