 | OberthĂŒr, Thomas, Melcher, Frank, Fusswinkel, Tobias, van den Kerkhof, Alfons M., Sosa, Graciela M. (2018) The hydrothermal Waterberg platinum deposit, Mookgophong (Naboomspruit), South Africa. Part 1: Geochemistry and ore mineralogy. Mineralogical Magazine, 82 (3) 725-749 doi:10.1180/minmag.2017.081.073 | Journal (article/letter/editorial) | | The Hydrothermal Waterberg Platinum Deposit, Mookgophong (Naboomspruit), South Africa â Part 1 â Geochemistry...mut.oberthuer@yahoo.de Abstract The Waterberg Platinum deposit is an extraordinary example of a vein-type...opaque mineral and the lack of sulfides. The âWaterberg typeâ mineralization is characterized by unique...still active. 2 Keywords: Hydrothermal Waterberg Platinum Deposit, Bushveld Complex, platinum-group elements...Introduction The historic Waterberg Platinum deposit â not related to the current "Waterberg Project" exploration |  | Holwell, David A., Adeyemi, Zeinab, Ward, Laura A., Smith, Daniel J., Graham, Shaun D., McDonald, Iain, Smith, Jennifer W. (2017) Low temperature alteration of magmatic Ni-Cu-PGE sulfides as a source for hydrothermal Ni and PGE ores: A quantitative approach using automated mineralogy. Ore Geology Reviews, 91. 718-740 doi:10.1016/j.oregeorev.2017.08.025 | Journal (article/letter/editorial) | | speciïŹcally a source for the nearby Waterberg hydrothermal Pt deposit. Furthermore, this study has implications...Avebury Ni deposit, Tasmania, Australia (Keays and Jowitt, 2013), the Enterprise Ni deposit in Zambiaâs...(Capistrant et al., 2015), the Waterberg hydrothermal Pt deposit in northern South Africa (McDonald et al., 1995)...hydrothermally remobilised Pt-CuAu New Rambler deposit, Wyoming (Nyman et al., 1990), and epigenetic Pt-Au...occurrences in the northern Bushveld Complex, South Africa (Smith et al., 2011, 2014), the Lac Des Iles |  | | Journal (article/letter/editorial) | | accompanied by As-bearing platinum group minerals (PGM) sperrylite (PtAs2), and irarsite ([RhIrPt]AsS). These As-bearing...remaining relatively PGE poor. The formation of this deposit and its Ni-rich nature has been attributed to the...the underlying basal PGE anomaly. Regional and Local Geology Regional geology The Fazenda Mirabela intrusion...showing context and location of (A) within the major South American tectonic units. AC = Amazonian craton;...the igneous stratigraphy from the north to the south of the intrusion. The ore zone occurs as a single |  | McCreesh, Matthew J. G., Yudovskaya, Marina A., Kinnaird, Judith A., Reinke, Christian (2018) Platinum-group minerals of the F and T zones, Waterberg Project, far northern Bushveld Complex: implication for the formation of the PGE mineralization. Mineralogical Magazine, 82 (3) 539-575 doi:10.1180/mgm.2018.83 | Journal (article/letter/editorial) | | Platinum-group minerals of the F and T zones, Waterberg Project, Far Northern Bushveld Complex: implication...University of the Witwatersrand, 2050 Wits, South Africa 2. CIMERA the NRF/DST Centre of Excellence...Johannesburg, PO Box 524, Auckland Park 2006, South Africa * E-mail: marina.yudovskaya@wits.ac.za ABSTRACT...mineralogical data on PGE mineralisation of the Waterberg project, in a previously unknown segment of the...Marginal Zone of the Limpopo Belt. The lower ultramafic F zone is dominated by sperrylite (up to 82 area %) |  | Kinnaird, Judith A, Yudovskaya, Marina, McCreesh, Matthew, Huthmann, Florian, Botha, Thys J. (2017) The Waterberg Platinum Group Element Deposit: Atypical Mineralization in Mafic-Ultramafic Rocks of the Bushveld Complex, South Africa. Economic Geology, 112 (6) 1367-1394 doi:10.5382/econgeo.2017.4513 | Journal (article/letter/editorial) | | Geology, v. 112, pp. 1367â1394 The Waterberg Platinum Group Element Deposit: Atypical Mineralization in Mafic-Ultramafic...Mafic-Ultramafic Rocks of the Bushveld Complex, South Africa Judith A Kinnaird,1,2,â Marina Yudovskaya,1...University of the Witwatersrand, 2050 Wits, South Africa 2 Centre of Excellence for Integrated Mineral...University of the Witwatersrand, 2050 Wits, South Africa 3 Institute of Geology of Ore Deposits, Petrography...osite sequence, and an Upper zone. Overlying Waterberg red beds were deposited between ~2.05 and ~1.93 |  | Cabral, A. R., Lehmann, B., Kwitko, R., Jones, R. D. (2002) Palladian gold and palladium arsenideâantimonide minerals from Gongo Soco iron ore mine, QuadrilĂĄtero FerrĂfero, Minas Gerais, Brazil. Applied Earth Science, 111 (1) 74-80 doi:10.1179/aes.2002.111.1.74 | Journal (article/letter/editorial) | | Synopsis The present-day Gongo Soco iron ore deposit was one of the most famous gold mines in Brazil...a brief account is given here. The Gongo Soco deposit is hosted by the Itabira Iron Formation of Harder...a gentle eastward plunge. At its mid-point the deposit is about 1300 m long and 200 m wide. It is enclosed...March 2016 Fig. 1 Location of Gongo Soco iron ore deposit in relation to Itabira Iron Formation (black) of...investigated. One crystal (<10 ”m) of Se-bearing sperrylite, Pt(As,Se)2, occurs as an inclusion in a coarse-grained |  | | Journal (article/letter/editorial) | | of a gold nugget from Gongo Soco, an iron ore deposit in Minas Gerais, Brazil. The rosettes consist essentially...platinum occurring as a coating on grains of sperrylite (OberthĂŒr et al. 2003). In their opinion, grains...virtually Fe-free native platinum in the Waterberg district of South Africa (Wagner 1929, McDonald et al. 1999a)...now been discovered at Gongo Soco, an iron ore deposit situated about 50 km southwest of Itabira, where...precursor to the native platinum in the Waterberg district of South Africa (Wagner 1929, McDonald et al. 1999a) |  | McFall, Katie, McDonald, Iain, Tanner, Dominique, Harmer, R.E. (Jock) (2019) The mineralogy and mineral associations of platinum-group elements and precious metals in the Aurora Cu-Ni-Au-PGE deposit, Northern Limb, Bushveld Complex. Ore Geology Reviews, 106. 403-422 doi:10.1016/j.oregeorev.2019.02.008 | Journal (article/letter/editorial) | | and precious metals in the Aurora Cu-Ni-Au-PGE deposit, Northern Limb, Bushveld Complex Katie McFall,...and precious metals in the Aurora Cu-Ni-Au-PGE deposit, Northern Limb, Bushveld Complex, Ore Geology Reviews...and precious metals in the Aurora Cu-Ni-Au-PGE deposit, Northern Limb, Bushveld Complex Katie McFall1...Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa. Aurora is a platinum-group element (PGE) prospect...in the Northern Limb of the Bushveld Complex, South Africa. It is one of only three deposits discovered |  | Huthmann, Florian M., Yudovskaya, Marina A., Kinnaird, Judith A., McCreesh, Matthew, McDonald, Iain (2018) Geochemistry and PGE of the lower mineralized Zone of the Waterberg Project, South Africa. Ore Geology Reviews, 92. 161-185 doi:10.1016/j.oregeorev.2017.10.023 | Journal (article/letter/editorial) | | the lower mineralized Zone of the Waterberg Project, South Africa T â Florian M. Huthmanna, , Marina...Witwatersrand, Private Bag 3, Wits 2050, Johannesburg, South Africa Institute of Geology of Ore Deposits, Mineralogy...mineralization The Waterberg deposit is located north of the Northern Lobe of the Bushveld Complex in South Africa...succession. The Waterberg Project is located in the Southern Marginal Zone of the Limpopo Belt. This position...that the maïŹc to ultramaïŹc succession of the Waterberg Project does not represent a simple marginal extension |  | Distler, Vadim V., Yudovskaya, Marina A., Mitrofanov, Gennady L., Prokof'ev, Vsevolod Yu., Lishnevskii, Erick N. (2004) Geology, composition, and genesis of the Sukhoi Log noble metals deposit, Russia. Ore Geology Reviews, 24 (1) 7-44 doi:10.1016/j.oregeorev.2003.08.007 | Journal (article/letter/editorial) | | composition, and genesis of the Sukhoi Log noble metals deposit, Russia Vadim V. Distler a,*, Marina A. Yudovskaya...the black shale-hosted Sukhoi Log noble metals deposit is the largest concentration of gold in Russia...element (PGE) mineralization of the Sukhoi Log deposit is controlled by a tectonic zone along the axis...of native platinum, Pt â Cu â Fe metal alloys, sperrylite, and cooperite. The mineral assemblage also includes...to develop a three-stage genetic model of the deposit involving deposition of terrigenous and carbon-bearing |  | Yudovskaya, M., Belousova, E., Kinnaird, J., Dubinina, E., Grobler, D.F., Pearson, N. (2017) Re-Os and S isotope evidence for the origin of Platreef mineralization (Bushveld Complex) Geochimica et Cosmochimica Acta, 214. 282-307 doi:10.1016/j.gca.2017.07.029 | Journal (article/letter/editorial) | | University of the Witwatersrand, Wits 2050, South Africa Institute of Geology of Ore deposits, Petrography...Exploration & Geology, Ivanplats (Pty) Ltd, Mokopane, South Africa * Corresponding author email: marina.yudovskaya@wits...analyzed laurite (RuS2), hollingworthite (RhAsS), sperrylite (PtAs2) and Pt-Fe alloys from the Merensky Reef...laurite is 0.1751 ±0.0004 whereas the ratios for sperrylite and hollingworthite range to slightly higher...sulfides (BMS), laurite inclusions in chromite and sperrylite rims around sulfide-silicate aggregates, are |  | | Report (issue) | | in catalysts and electronic applications. one deposit and that there may be considerable variation Osmium...proportions of individual PGE within a deposit or a district. processes are also known but these are...extreme enrichment in this sulphide liquid. An ore deposit may subsequently form if this PGE-enriched sulphide...sufficient quantities at a pa rticular location. Major deposit classes Enrichment of PGEoccurs in a wide variety...association with sulphide-rich ores. A variety of other deposit types resulting from different PGE-dominant deposits |  | | Journal (article/letter/editorial) | | inclusions in olivine. The discovery of these sperrylite (PtAs2), irarsite (IrAsS) and hollingworthite...amphibolites along structures controlled by earlier north-south shearing (Fig. 2). Evidence for this comes from...concentrations of PGE, Au and Cu are indicated there. Sperrylite (PtAs2) is largely free of elements other than...morphology between sperrylite (PtAs2) and the various Pd-bearing PGM. Sperrylite crystals tend to be...sometimes clearly moulded onto earlier sperrylite. Where sperrylite is in contact with sulphides, notably |  | | Journal (article/letter/editorial) | | process disproportionated to produce cooperite and sperrylite. Under the experimental ĂȘ-Ă-”i conditions, the...f O2 âT coordinates [11]. Light gray films of sperrylite (Sper-PtAs2) were observed on the substrate and...products of 300, 400, and 500°ë experiments. Sperrylite was identified using an X-ray Gandolfi camera...increased with increasing temperature. In particular, sperrylite analyses from the products of the 300 and 400°ë...contribution of the Pt substrate. Stoichiometric sperrylite (Pt0.90Fe0.10As1.60S0.40) with high sulfur content |  | 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) 1774-1782 doi:10.2138/am.2014.4848 | Journal (article/letter/editorial) | | gold minerals in the Bon Accord Ni-oxide body, South Africa Federica Zaccarini1,*, Marian Tredoux2, Duncan...University of the Free State, Bloemfontein 9300, South Africa 3 Department of Crystallography, Mineralogy...body of Bon Accord (Barberton greenstone belt, South Africa) have been investigated with the hydroseparation...free grains of Ni-Fe-As. The second consists of sperrylite (PtAs2), members of the sobolevskite-kotulskite...heavy mineral concentrate, Barberton greenstone, South Africa Introduction Platinum-group minerals (PGM) |  | Kwitko, R., Cabral, A. R., Lehmann, B., Laflamme, J.H. G., Cabri, L. J., Criddle, A. J., Galbiatti, H. F. (2002) HONGSHIITE, PtCu, FROM ITABIRITE-HOSTED Au Pd Pt MINERALIZATION (JACUTINGA), ITABIRA DISTRICT, MINAS GERAIS, BRAZIL. The Canadian Mineralogist, 40 (2) 711-723 doi:10.2113/gscanmin.40.2.711 | Journal (article/letter/editorial) | | ITABIRITE-HOSTED AuâPdâPt MINERALIZATION (JACUTINGA), ITABIRA DISTRICT, MINAS GERAIS, BRAZIL ROGERIO KWITKO§ Centro de...magnetite. The magnetite could have acted as a local redox barrier to the passage of oxidizing hydrothermal...hydrothermal fluids leading to hongshiite precipitation. Sperrylite, isomertieite, atheneite, sudovikovite, a âguangliniteâ-like... menant Ă la prĂ©cipitation de la hongshiite. Sperrylite, isomertieĂŻte, athĂ©nĂ©ite, sudovikovite, une phase...GEOLOGICAL SETTING The world-class Itabira iron-ore district is part of the QuadrilĂĄtero FerrĂfero of Minas |  | | Journal (article/letter/editorial) | | MINERALS FROM THE EASTERN BUSHVELD COMPLEX, SOUTH AFRICA FRANK MELCHER§, THOMAS OBERTHĂR AND JERZY LODZIAK...rivers draining the Eastern Bushveld Complex, in South Africa. About 32% of a total of 790 PGM nuggets (50â1600...MgO. Cooperite and braggite, and less commonly sperrylite, are coated by porous native platinum, which... platinum-group minerals, Bushveld Complex, South Africa. SOMMAIRE Les particules de minĂ©raux du groupe...Cooperite et braggite, et Ă un degrĂ© moindre, sperrylite, sont recouverts dâune couche de platine natif |  | | Journal (article/letter/editorial) | | MetalBearing Reefs in the Bushveld Complex, South Africa: Based on Research Data on Fluid Inclusions...the Witwatersrand, Wits 2050, Johannesburg, South Africa d Tomsk Polytechnic University, pr. Lenina 30...been established for quartz veins at the Waterberg deposit, in the rocks of the Bushveld Complex roof...(Fig. 2), a multiphase intrusion extending from south to north, composed mainly of pyroxenite and contaminated...orthopyroxene crystals occur as actinolite (f = 21â 25%). Sperrylite PtAs2 and geversite PtSb2 were iden tified in |  | SuĂĄrez, Saioa, Prichard, Hazel M., Velasco, Francisco, Fisher, Peter C., McDonald, Iain (2010) Alteration of platinum-group minerals and dispersion of platinum-group elements during progressive weathering of the Aguablanca NiâCu deposit, SW Spain. Mineralium Deposita, 45 (4) 331-350 doi:10.1007/s00126-009-0275-x | Journal (article/letter/editorial) | | progressive weathering of the Aguablanca NiâCu deposit, SW Spain Saioa SuĂĄrez & Hazel M. Prichard & Francisco...overlying the Aguablanca NiâCu-(PGE) magmatic deposit (Spain), has shown that the platinum-group minerals...PGE-bearing minerals during weathering in these types of deposit have been investigated rarely. Properties of PGE...and gossan formation at the Aguablanca Niâ Cu deposit in Spain and the concurrent disintegration of PGM...alteration. The Aguablanca deposit The Aguablanca NiâCu-PGE magmatic sulphide deposit is located in the northern |  | Zhmodik, S.M., Nesterenko, G.V., Airiyants, E.V., Belyanin, D.K., Kolpakov, V.V., Podlipsky, M.Yu., Karmanov, N.S. (2016) Alluvial platinum-group minerals as indicators of primary PGE mineralization (placers of southern Siberia) Russian Geology and Geophysics, 57 (10) 1437-1464 doi:10.1016/j.rgg.2016.09.002 | Journal (article/letter/editorial) | | platinum-bearing placer deposits have been worked in South Siberia since they were first discovered in the...Zhmodik) primary sources of the placer PGM, based on local analysis of individual PGM grains. The study provides...present in one sample from the Taenza River placer. Sperrylite occurs as isolated angular and rarer rounded...OsâIrâRu(±Pt) solid solutions, and subordinately by sperrylite (up to 3â4%, rarely to 17%) and other PGE-bearing...% PtâFe alloys I II III OsâIrâRu alloys Sperrylite PtAs2 As-, S-rich PGE Kaurchak R., dredge |  | | Journal (article/letter/editorial) | | Eastern Chrome Mine, Eastern Bushveld Complex, South Africa: A descriptive study with comparison of EPMA...Free State, P.O. Box 339, Bloemfontein 9300, South Africa Institut fĂŒr Mineralogie, Leibniz UniversitĂ€t...Free State, P.O. Box 339, Bloemfontein 9300, South Africa Dezernat fĂŒr Angewandte Geologie und Georisiken...sachsen-anhalt.de © 2020 Geological Society of South Africa. All rights reserved. Abstract A descriptive...compared to the sulphides of the chromitite layers. SOUTH AFRICAN JOURNAL OF GEOLOGY 2020 doi:10.25131/ sajg |  | | Report (issue) | | Platinum Symposium in Rustenburg, Republic of South Africa. The abstract volume for this meeting contained...mineralization, in countries like the Republic of South Africa, Canada, and Finland. Over the last five or...platinum-group minerals (PGM) beginning with a South African publication (Cabri, 1972) and culminating...of PGE deposits, ranging from the very important South African deposits to less well-developed PGE mineralization...of South Africa Lyndon, Washington College Park, Maryland Johannesburg, Republic of South Africa Kansas |  | | Report (issue) | | gov/images/periodictable.pdf. Cover. Stillwater Mine in south-central Montana, looking southeast. The pond is..............................................N5 Deposit Types............................................Rustenburg Layered Suite of the Bushveld Complex, South Africa, the surface trace of significant orebodies...in the western part of the Bushveld Complex, South Africa.....................................................N19 Photograph of the Stillwater Mine in south-central Montana, looking southeast............. |  | | Book | | Hanley DESCRIPTIVE PLATINUM-GROUP ELEMENT ORE DEPOSIT MODELS â PRECIOUS-METALDOMINANT 3. Stratiform PGE...Sidorov, A.P. Krivenko 113-143 7. Descriptive Ore Deposit Models: Hydrothermal and Supergene Pt & Pd Deposits...145-161 DESCRIPTIVE PLATINUM-GROUP ELEMENT ORE DEPOSIT MODELS â BASE-METALDOMINANT 8. Sudbury Cu-(Ni)-PGE...Discovery and Characterization of the Nickel Rim South Deposit; Sudbury Ontario S.A. McLean, K.H. Straub, K...Polymetallic PGE-Au Mineralization of the Sukhoi Log Deposit, Russia V.V. Distler, M.A. Yudovskaya 457-485 |  | Beinlich, Andreas, von Heydebrand, Adrian, Klemd, Reiner, Martin, Laure, Hicks, John (2020) Desulphurisation, chromite alteration, and bulk rock PGE redistribution in massive chromitite due to hydrothermal overprint of the Panton Intrusion, east Kimberley, Western Australia. Ore Geology Reviews, 118. 103288 doi:10.1016/j.oregeorev.2019.103288 | Journal (article/letter/editorial) | | Layered ultramafic intrusion; chromitite reef; PGE deposit, base-metal sulphides; hydrothermal alteration;...chromitite layers of the Bushveld Complex of South Africa (Gruenewaldt, 1977; Vermaak, 1995; Cawthorn...smaller outcrops at its northern end (Fig. 1B). The south-eastern limb comprises tight upright north-easterly...1863±3 Ma Rose Bore Granite, which forms part of the local country rock, supports this observation (Page and...serpentine-chlorite matrix of the chromitite are Pt-arsenides (sperrylite, PtAs2) and Ni- and Pt-free Pd-antimonites (stibiopalladinite |
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