 | | Journal (article/letter/editorial) | | mineralogy of platinum-group elements at Hartley Platinum Mine, Zimbabwe Part 1. Primary distribution patterns...platinum-group element (PGE) mineralization. At the Hartley Platinum Mine, the MSZ is up to some meters thick and...Æ Main Sulfide Zone Æ Great Dyke Æ Hartley Platinum Mine Æ Zimbabwe Introduction Deposits of platinum-group...Bushveld Complex, South Africa). The Great Dyke of Zimbabwe (Fig. 1) constitutes the world’s second largest...economic-grade primary MSZ ores collected at the Hartley Platinum Mine. The present paper reports on the distribution |  | | Journal (article/letter/editorial) | | Platinum-Group Element Mineralisation in the Great Dyke, Zimbabwe, and its Relationship to Magma Evolution and Magma...Prendergast 1 Carson Close, Greendale, Harare, Zimbabwe. e-mail: marprend@hotmail.com ABSTRACT The platinum-group...magma chamber. Introduction The Great Dyke of Zimbabwe contains the world’s second largest single resource...Mimosa mine is commencing major expansion, open-cast operations recently began at the Ngezi mine and further...the Archaean granites, and greenstones of the Zimbabwe Craton (Figure 1). Aligned approximately NNE, |  | Stribrny, B., Wellmer, F. -W., Burgath, K. -P., Oberthür, T., Tarkian, M., Pfeiffer, T. (2000) Unconventional PGE occurrences and PGE mineralization in the Great Dyke: metallogenic and economic aspects. Mineralium Deposita, 35 (2) 260-280 doi:10.1007/s001260050019 | Journal (article/letter/editorial) | | redistributions should be kept in mind during planning and mine operation. Investigations of unconventional PGE...initial production from mines in the Great Dyke of Zimbabwe has yielded 2.1 t Pt. The remaining 9.54 t are...Russia Stillwater, USA Sudbury, Canada Great Dyke, Zimbabwe Kupferschiefer, Poland Bregu i Bibes, Albania...production, for example those of the Great Dyke, Zimbabwe, ± potential alternatives in the form of unconventional...mineralizations PGE in layered intrusions: the Great Dyke, Zimbabwe Geological setting The ca. 2.58-Ga-old Great Dyke |  | Helmy, Hassan M., Ballhaus, Chris, Berndt, Jasper, Bockrath, Cornelia, Wohlgemuth-Ueberwasser, Cora (2007) Formation of Pt, Pd and Ni tellurides: experiments in sulfide–telluride systems. Contributions to Mineralogy and Petrology, 153 (5) 577-591 doi:10.1007/s00410-006-0163-7 | Journal (article/letter/editorial) | | Solid solution between moncheite PtTe2 and merenskyite PdTe2 is more limited than implied by natural...natural Pt and Pd tellurides are moncheite PtTe2, merenskyite PdTe2, melonite (Ni,Pd)Te2 and kotulskite (Pd...1991; Helmy and Mogessie 2001), moncheite and merenskyite occur as inclusions in, or in close association...Barkov et al. (1999) postulated that bismuthian merenskyite from the Mount General Skaya intrusion crystallized...derived from the compositions of coexisting merenskyite and michenerite at the Abu Swayel Cu–Ni–PGE prospect |  | El Ghorfi, Mustapha, Oberthür, Thomas, Melcher, Frank, Lüders, Volker, El Boukhari, Abdelmajid, Maacha, Lhou, Ziadi, Rachid, Baoutoul, Hssain (2006) Gold–palladium mineralization at Bleïda Far West, Bou Azzer–El Graara Inlier, Anti-Atlas, Morocco. Mineralium Deposita, 41 (6) 549-564 doi:10.1007/s00126-006-0077-3 | Journal (article/letter/editorial) | | Baoutoul Gold–palladium mineralization at Bleïda Far West, Bou Azzer–El Graara Inlier, Anti-Atlas, Morocco...structurally controlled Au–Pd mineralization at Bleïda Far West occurs in a volcano-sedimentary rock sequence in...group minerals, namely mertieite-I/isomertieite, merenskyite, keithconnite, kotulskite, palladseite, and sperrylite...worldwide (Brazil, Australia, UK), including Bleïda Far West, is their formation in the epithermal (<300°C) range;...Palladian gold . Platinum group minerals . Bleïda Far West . Anti-Atlas . Morocco Introduction Editorial |  | Mota-E-Silva, Jonas, Prichard, Hazel M., Suárez, Saioa, Ferreira Filho, Cesar F., Fisher, Peter C. (2016) Supergene Alteration of Platinum-Group Minerals and the Formation of Pd-Cu-O and Pd-I-O Compounds In the Limoeiro Ni-Cu-(PGE) Deposit, Brazil. The Canadian Mineralogist, 54 (3) 755-778 doi:10.3749/canmin.1500049 | Journal (article/letter/editorial) | | progressive alteration of the abundant primary merenskyite, including neoformation of PdCu6Bi rosettes and...very durable, or in bismuthotellurides (i.e., merenskyite– moncheite–melonite solid solution series), which...PGM start to alter at a depth of ~25 m where merenskyite becomes Pd-rich because much of the Te has been...progressively more weathering towards the surface the merenskyite appears partially dissolved and pseudomorphed...bismuthotellurides (mainly Bi-Pt-Ni-bearing merenskyite), followed in abundance by Pt(-Rh-Ir)-bearing |  | | Journal (article/letter/editorial) | | Sulphide Zone (MSZ) mineralization of the Great Dyke, Zimbabwe. The PGE in the sulphide zone occur dominantly... The mothballing of the Hartley mining operation on the Great Dyke, Zimbabwe, at a time of historically...(sperrylite), bismuthotellurides (moncheite, merenskyite, michenerite and kotulskite), antimonides (sudburyite...of partly oxidized Pt mineralization at Hartley mine, Zimbabwe.20 Duyvesteyn, Liu and Duyvesteyn 20 reported...discrete Pd minerals—mostly kotulskite (PdTe) and merenskyite (PdTe2)—cannot account for the assay grades of |  | | Book | | Redistribution in the Main Sulfide Zone of The Great Dyke, Zimbabwe T. Oberthür, F. Melcher 75-96 97-111 6. Placers...Systems: Refining the Classification Using McCreedy West Mine and Podolsky Project Case Studies 163-180 C.E...geochemical surveys M.L. Zientek, S.R. Corson, R.D. West 391-407 19. Exploration and Mining Perspective...Sulfide Zone of the Great Dyke, Zimbabwe - Case Study of the Hartley Platinum Mine A.H. Wilson, R.T. Brown ...REDISTRIBUTION IN THE MAIN SULFIDE ZONE OF THE GREAT DYKE, ZIMBABWE T. Oberthür, F. Melcher INTRODUCTION GEOLOGICAL |  | Viljoen, Fanus, Ramakoloi, Ntshebo, Rose, Derek, Reinke, Christian (2015) Mineral Chemistry of (Pt,Pd)-Bismuthotelluride Minerals In the Platreef At Zwartfontein, Akanani Project, Northern Bushveld Complex, South Africa. The Canadian Mineralogist, 53 (6) 1109-1127 doi:10.3749/canmin.1500047 | Journal (article/letter/editorial) | | kotulskite (PdTe)–sobolevskite (PdBi), without merenskyite (PdTe2). There is very limited solid solution...moncheite, insizwaite, maslovite, kotulskite, merenskyite, sobolevskite, froodite, and michenerite. Extensive...Lodziak 2007) in South Africa; and the Great Dyke in Zimbabwe (Coghill & Wilson 1993, Oberthür et al. 2003,...Pdbismuthotelluride minerals plotting in the field of merenskyite (Fig. 4). The Pd contents of this kotulskite–...intermediate in composition between moncheite and merenskyite. Co-existing kotulskite and moncheite that are |  | Oberthur, T., Weiser, T. W., Melcher, F., Gast, L., Wohrl, C. (2013) DETRITAL PLATINUM-GROUP MINERALS IN RIVERS DRAINING THE GREAT DYKE, ZIMBABWE. The Canadian Mineralogist, 51 (2) 197-222 doi:10.3749/canmin.51.2.197 | Journal (article/letter/editorial) | | PLATINUM-GROUP MINERALS IN RIVERS DRAINING THE GREAT DYKE, ZIMBABWE Thomas OBERTHÜR§, Thorolf W. WEISER, Frank MELCHER...and PGE-oxides (unstable). Keywords: Great Dyke, Zimbabwe, alluvial sediments, Pt-Fe alloy, Os-Ir-Ru alloy...Bushveld Complex of South Africa, the Sudbury district in Canada, and later Norilsk in Russia came into...intrusions (Bushveld, South Africa; Great Dyke, Zimbabwe; Stillwater, USA) that host the overwhelming proportion...of knowledge on the Great Dyke of Zimbabwe. The Great Dyke of Zimbabwe constitutes the world’s second largest |  | | Journal (issue) | | Geological Society of Zimbabwe Newsletter February, 2007 Geological Society of Zimbabwe Newsletter February...SOCIETY OF ZIMBABWE, P.O. BOX CY 1719, CAUSEWAY, HARARE • Geological Society of Zimbabwe Newsletter...Department, University of Zimbabwe ……………………………………… The Geological Survey of Zimbabwe ………………………………………………… Mining...…………………………………………………… …. 22 2 Geological Society of Zimbabwe Newsletter February 2007 Editorial All the very...endeavours is critical. 3 Geological Society of Zimbabwe Newsletter February 2007 We continued to pursue |  | Kristavchuk, Alexander V., Zabolotskaya, Anna V., Voronin, Mikhail V., Chareev, Dmitriy A., Osadchii, Evgeniy G. (2021) Temperature dependence of tellurium fugacity for the kotulskite (PdTe)–merenskyite (PdTe2) equilibrium determined by the method of a solid-state galvanic cell. Physics and Chemistry of Minerals, 48 (4) doi:10.1007/s00269-021-01141-x | Journal (article/letter/editorial) | | tellurium fugacity for the kotulskite (PdTe)–merenskyite (PdTe2) equilibrium determined by the method...thermodynamic properties of the kotulskite (PdTe)/merenskyite (PdTe2) equilibrium in the Ag-Pd-Te system were...03)·(1000/T), (371.7 < T/K < 493.6). Keywords Merenskyite · Kotulskite · Electromotive force method · Solid-state...(Vymazalova et al. 2005): kotulskite (PdTe), merenskyite (PdTe2), keithconnite (Pd20Te7), and telluropalladinite...telluropalladinite (Pd9Te4). Palladium ditelluride, known as merenskyite, has a trigonal crystal lattice with a space |  | Dare, Sarah A. S., Barnes, Sarah-Jane, Prichard, Hazel M., Fisher, Peter C. (2011) Chalcophile and platinum-group element (PGE) concentrations in the sulfide minerals from the McCreedy East deposit, Sudbury, Canada, and the origin of PGE in pyrite. Mineralium Deposita, 46 (4) 381-407 doi:10.1007/s00126-011-0336-9 | Journal (article/letter/editorial) | | zone of Fraser mine (Farrow and Watkinson 1992, 1996; Naldrett et al. 1999) and the West orebody at McCreedy...Schematic vertical cross section N–S showing Fraser mine (owned by Xstrata) and the Main orebody of McCreedy...stars) from the Main and West orebodies were taken from levels (L) 1–3 of the mine. The study of Gregory...locations (e.g., the precious metal zone of McCreedy West and Broken Hammer at Wisner), some of these processes...1.6 Pyrite-rich; altered Massive, anhedral <10 West L2 MCRE1 0.73 1.40 0.45 0.71 0.35 64.2 0.11 0 |  | | Journal (article/letter/editorial) | | 801. Age determinations: monazite, sphene, South-west Africa, 519; charnockites, Andhra Pradesh, India...Andalusite, pseudomorphs of kyanite after, Spain, xlix, West Pakistan, 669. Andradite, stannian, Czechoslovakia...Bearpaw Mtns., Montana, pseudoleucite, 596. Benallt mine, Rhiw, Caernarvonshire, celsian, 508. Berek compensator...(S.), see SARBADHIKARI (T. n.), 770. Bhilwara district, ]~ajasthan, India, scorodite, 776. BmaAR (G....Norway, beryllian cordierite, 920. Black Mtn. district, Kern Co., California, powellite, 995. Book reviews: |  | | Journal (article/letter/editorial) | | Bushveld Complex, South Africa, and Great Dyke, Zimbabwe Thomas Oberthür Bundesanstalt für Geowissenschaften...Complex of South Africa and the Great Dyke of Zimbabwe. Samples were obtained underground, from core...Bushveld Complex, South Africa; the Great Dyke, Zimbabwe; the Stillwater grains, and they are ofthe subordinate...Bushveld Complex in South Africa, of the Sudbury district in Canada, and later Norilsk in Russia grand style...Bushveld Complex; South Africa; Great is Dyke; Zimbabwe; platinum-group minerals; Bushveld Complex in |  | | Journal (article/letter/editorial) | | include michenerite (PdBiTe), froodite (PdBi2), merenskyite (PdTe2), mertieite II (Pd8[Sb,As]3), and sperrylite...setting The Ferguson Lake deposit is about 250 km west of Rankin Inlet (Nunavut), within the Hearne domain...the Ferguson Lake mineral district and the main tectonic units of the west Canadian Shield (modified...focused on selected drill cores from the east zone, west zone “pit area,” and 119 extension zone, along the...mineralized zones to depths of ~450 m below surface. The west zone hosts the majority of the indicated resources |  | Li, Chusi, Ripley, Edward M., Oberthür, Thomas, Miller, James D., Joslin, Gregory D. (2008) Textural, mineralogical and stable isotope studies of hydrothermal alteration in the main sulfide zone of the Great Dyke, Zimbabwe and the precious metals zone of the Sonju Lake Intrusion, Minnesota, USA. Mineralium Deposita, 43 (1) 97-110 doi:10.1007/s00126-007-0159-x | Journal (article/letter/editorial) | | alteration in the main sulfide zone of the Great Dyke, Zimbabwe and the precious metals zone of the Sonju Lake...isotopes . Great Dyke . Sonju Lake Intrusion . Zimbabwe . USA Introduction The debate on the origin of...intruded Archean granites and greenstone belts of the Zimbabwe craton (Worst 1960; Wilson 1996; Fig. 1a). Two...al. (2003). They were collected from the Hartley Platinum Mine in the Darwendale subchamber (Fig. 1c)....Darwendale Subchamber Harare Zimbabwe 0 Meter 19° S 1500 Mimosa Mine Local Road iver ro R Orthopyroxenite |  | Piña, R., Gervilla, F., Barnes, S.-J., Oberthür, T., Lunar, R. (2016) Platinum-group element concentrations in pyrite from the Main Sulfide Zone of the Great Dyke of Zimbabwe. Mineralium Deposita, 51 (7) 853-872 doi:10.1007/s00126-016-0642-3 | Journal (article/letter/editorial) | | from the Main Sulfide Zone of the Great Dyke of Zimbabwe R. Piña 1 & F. Gervilla 2 & S.-J. Barnes 3 & T...The Main Sulfide Zone (MSZ) of the Great Dyke of Zimbabwe hosts the world’s second largest resource of platinum-group...other trace element contents in pyrite from the Hartley, Ngezi, Unki, and Mimosa mines of the Great Dyke... LA-ICP-MS . Main sulfide zone . Great Dyke . Zimbabwe Introduction Pyrite [FeS2] is a common minor...distribution of PGE in the deposits. In the Great Dyke of Zimbabwe, the world’s second largest resource of PGE after |  | Suárez, 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 Ni–Cu deposit, SW Spain. Mineralium Deposita, 45 (4) 331-350 doi:10.1007/s00126-009-0275-x | Journal (article/letter/editorial) | | Ni, 0.46% Cu, 0.47 g/t PGE and 0.13 g/t Au. The mine has an estimated production life of 10.5 years based...development. At present, the annual production of the mine is approximately 8,136 t of Ni and 7,071 t of Cu...bismuthotellurides including michenerite (PdBiTe), merenskyite (PdTe2), moncheite (PtTe2) and palladian bismuthian...the Santa Olalla Pluton Complex and the Aguablanca mine (Agb). Modified from Casquet (1980) and ITGE (1990)...mostly sperrylite (PtAs2), moncheite (PtTe2), merenskyite (PdTe2) and bismuthotellurides including michenerite |  | Maier, W.D., Määttää, S., Yang, S., Oberthür, T., Lahaye, Y., Huhma, H., Barnes, S.-J. (2015) Composition of the ultramafic–mafic contact interval of the Great Dyke of Zimbabwe at Ngezi mine: Comparisons to the Bushveld Complex and implications for the origin of the PGE reefs. Lithos, 238. 207-222 doi:10.1016/j.lithos.2015.09.007 | Journal (article/letter/editorial) | | ultramafic-mafic contact interval of the Great Dyke of Zimbabwe at Ngezi mine: Comparisons to the Bushveld Complex and...ultramafic-mafic contact interval of the Great Dyke of Zimbabwe at Ngezi mine: Comparisons to the Bushveld Complex and...contact interval of the Great Dyke of Zimbabwe at Ngezi T mine: Comparisons to the Bushveld Complex...NU 1. SC R Sulfide Zone. The Great Dyke of Zimbabwe is one of the world’s largest layered mafic-ultramafic...Archaean granitoids and greenstone belts of the Zimbabwe craton at T about 2575 Ma (Mukasa et al., 1989; |  | | Report (issue) | | PETROLEUM Suite 1210, 3400 de Maisonneuve Boulevard West Montréal, Québec, Canada H3Z 3B8 ISBN 1-894475-27-5...Platinum-group element mineralization of the Great Dyke, Zimbabwe. In The Geology, Geochemistry, Mineralogy and...relationships at the currently operating Lac de Iles mine (Ontario), the Marathon deposit in the Coldwell...(Ontario), and the formerly producing Salt Chuck mine (Alaska). They, thus, cover a range of deposit types...Company. The PGE mineralization in the Great Dyke (Zimbabwe), which is the world’s second largest reserve |  | Oberthur, T., Melcher, F., Gast, L., Wohrl, C., Lodziak, J. (2004) DETRITAL PLATINUM-GROUP MINERALS IN RIVERS DRAINING THE EASTERN BUSHVELD COMPLEX, SOUTH AFRICA. The Canadian Mineralogist, 42 (2) 563-582 doi:10.2113/gscanmin.42.2.563 | Journal (article/letter/editorial) | | the Mafic Phase of the Bushveld Complex. To the west are the Leolo Mountains, composed of Main Zone gabbros...the Atok mine and Steelpoort (Fig. 2), the layered sequence dips 10–15° southwest and west. To the east...UG–2 horizon can be traced from close to the Atok mine for over 30 km to the Steelpoort River (Fig. 2)...Mooihoek Merensky Reef UG - 2 Onverwacht Pipes Mine Rivers / streams er Riv Watershed Steelpoort...from the Main Sulfide Zone of the Great Dyke in Zimbabwe (Oberthür et al. 1998, 2003, Oberthür 2002). In |  | | Journal (article/letter/editorial) | | Noril’sk–Talnakh field in Russia, in the Great Dyke in Zimbabwe, in the Stillwater Complex in the United States...Southern Africa is used to denote South Africa and Zimbabwe. The PGE industry in both countries is strongly...cover today’s global PGE demand. In 2014, the world mine production of Pt (146,000 kg) was mainly from the...the United States (3660 kg), Canada (8500 kg), Zimbabwe (13,000 kg), Russia (23,000 kg) and South Africa...acquired from PGE producers in South Africa and Zimbabwe. The most important aspects, such as the production |  | | Journal (article/letter/editorial) | | bismuthotellurides of Pd, i.e., michenerite and the melonite–merenskyite series; no Pt minerals were identified. The PGM...par exemple michenerite et la série melonite–merenskyite; aucun minéral à dominance de Pt n’a été trouvé...and textures. Three platinum-group minerals (merenskyite, michenerite, palladoan bismuthian melonite)...the following phases: michenerite (PdBiTe), merenskyite (PdTe2), palladoan bismuthian melonite (NiTe...with hessite, and so contamination is unlikely. Merenskyite is usually present at the contact between pyrrhotite |  | | Journal (article/letter/editorial) | | noble-metal distribution in the Great Dyke of Zimbabwe: A model for the origin of the PGE mineralization...noble-metal distribution in the Great Dyke of Zimbabwe: A model for the origin of the PGE mineralization...the Darwendale Subchamber of the Great Dyke of Zimbabwe there are three principal sulfide zones that are...lithological units (Prender- The Great Dyke of Zimbabwe is the world's second largest reserve of platinum-group...3Oo25'E 30°:~O'E 32°E I Fig. 1. The Great Dyke of Zimbabwe, showing the location of Cyclic Unit No. 1 in |
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