 | | Report (issue) | | (680) 64.9, (700) 65.2 Cell Data: Space Group: n.d. a = 3.850(5) c = 3.693(6) Z = [2] X-ray Powder Pattern:...Pt0.50 Rh< 0.01 Fe0.50 . (3) PtFe. Occurrence: In a hortonolite dunite (Mooihoek, South Africa); in Uralian...placers derived therefrom. Association: Geversite, irarsite, majakite, sperrylite, stannopalladinite, plumbopalladinite...region, western Siberia; from the Ioko-Dovyren massif, Baikal region, southern Siberia; at the Kytlym...Konder massif, Aldan Shield, Sakha Russia. From Yubdo, Ethiopia. At the Herbeira ultramafic massif, Cabo |  | González-Jiménez, JoséM., Gervilla, Fernando, Proenza, Joaquín A., Kerestedjian, Thomas, Augé, Thierry, Bailly, Laurent (2009) Zoning of laurite (RuS2)erlichmanite (OsS2): implications for the origin of PGM in ophiolite chromitites. European Journal of Mineralogy, 21 (2) 419-432 doi:10.1127/0935-1221/2009/0021-1921 | Journal (article/letter/editorial) | | GONZÁLEZ-JIMÉNEZ1,*, FERNANDO GERVILLA1, JOAQUÍN A. PROENZA2, THOMAS KERESTEDJIAN3, THIERRY AUGÉ4 and...Ciencias, Avda. Fuentenueva s/n, 18002 Granada, Spain *Corresponding author, e-mail: jmgonzj@ugr.es 2...Barcelona, Martı́ i Franquès s/n, 08028 Barcelona, Spain 3 Geological Institute, Bulgarian Academy of Sciences...and in the Dobromirtsi metamorphosed ultramafic (ophiolitic) massif (SE Bulgaria) with regard to zoning...rim (reverse zoning) and (iii) grains made up of a complex intergrowth of Os-rich, Os-poor laurite and |  | Zaccarini, Federica, Economou-Eliopoulos, Maria, Kiseleva, Olga, Garuti, Giorgio, Tsikouras, Basilios, Pushkarev, Evgenii, Idrus, Arifudin (2022) Platinum Group Elements (PGE) Geochemistry and Mineralogy of Low Economic Potential (Rh-Pt-Pd)-Rich Chromitites from Ophiolite Complexes. Minerals, 12 (12) 1565 doi:10.3390/min12121565 | Journal (article/letter/editorial) | | Garuti, G.; Tsikouras, B.; Pushkarev, E.; Idrus, A. Platinum Group Elements (PGE) Geochemistry and Mineralogy...PPGE-rich chromitites examined in this paper have a PPGE/IPGE ratio equal to or higher than 1 and represent...ophiolitic chromitites are not presently considered as a potential resource because of the following circumstances:...(1) enrichment of PPGE in podiform chromitites is a local event that occurs randomly in ophiolite sequences...Among the PGE, platinum and palladium have gained a great economic importance due to their use in oil |  | | Journal (article/letter/editorial) | | sulfarsenides, sperrylite and members of hollingworthite – irarsite – platarsite solid-solution series. The base-metal-enriched...base-metal-enriched minerals at Korydallos include a Cu-rich Pd–Pt alloy and a Ni–Fe alloy with 1–2% Pd. The association...sulfur and gain of arsenic during serpentinization. A further stage of alteration produced oxides and hydroxides...ophiolitique de Pindos en Grèce, Milia et Korydallos. A Milia, les MGP contiennent surtout Os, Ir, et Ru,...des sulfarséniures des IPGE plutôt que la laurite. A Korydallos, l’assemblage contient surtout des MGP |  | Prichard, Hazel M., Suárez, Saioa, Fisher, Peter C., Knight, Robert D., Watson, John S. (2018) Placer platinum-group minerals in the Shetland ophiolite complex derived from anomalously enriched podiform chromitites. Mineralogical Magazine, 82 (3) 491-514 doi:10.1180/minmag.2017.081.099 | Journal (article/letter/editorial) | | UPV/EHU, 48940 Leioa & Ikerbasque, 48011 Bilbao, Spain. Open University, Department of Environment, Earth...Pt-arsenides (64%) and Pd-antimonides (17 %), with less irarsite–hollingworthite (11%) and minor Pd-sulfides, Pt-Pd-Cu...rocks. The more resistant sperrylite and irarsite– This is a 'preproof' accepted article for Mineralogical...by Os-Ir-Ru alloys (Cabri et al., 1996). There is a long standing debate about whether placer PGM erode...(IPGM), mainly laurite–erlichmanite (RuS2–OsS2), irarsite (IrAsS), and Os–Ir–Ru alloys. Relevant examples |  | Kapsiotis, Argirios, Grammatikopoulos, Tassos A., Tsikouras, Basilios, Hatzipanagiotou, Konstantin, Zaccarini, Federica, Garuti, Giorgio (2011) Mineralogy, composition and PGM of chromitites from Pefki, Pindos ophiolite complex (NW Greece): evidence for progressively elevated fAs conditions in the upper mantle sequence. Mineralogy and Petrology, 101 (1) 129-150 doi:10.1007/s00710-010-0140-8 | Journal (article/letter/editorial) | | upper mantle sequence Argirios Kapsiotis & Tassos A. Grammatikopoulos & Basilios Tsikouras & Konstantin...chromitites comprises anduoite, ruarsite, laurite, irarsite, sperrylite, hollingworthite, Os-Ru-Ir alloys...primary, and possibly crystallized directly from a progressively enriched in As boninitic melt before...Pindos massif is suggestive of non-homogeneous group of ores. Editorial handling: R. Abart A. Kapsiotis... University of Patras, 265 04, Patras, Greece T. A. Grammatikopoulos (*) SGS Canada Inc., Advanced Mineralogy |  | | Journal (article/letter/editorial) | | that cross-cut serpentine and chromite probably only a few tens of micrometers from the source of the platinum-group...can be attributed to the presence of laurite and irarsite, whereas sulfide-bearing serpentinite contains...1.69%, compositions most typical of chromite from a stratiform complex of continental origin. Keywords:...MINERALOGIST INTRODUCTION The Bacuri layered mafic and ultramafic complex is situated in Amapa State in the Amazon...In the 1980s, the Companhia Ferro Ligas do Amapa, a subsidiary of the Groupo CAEMI Mineraçao e Metalurgia |  | Ortega, L., Lunar, R., Garcia-Palomero, F., Moreno, T., Martin-Estevez, J. R., Prichard, H. M., Fisher, P. C. (2004) THE AGUABLANCA Ni Cu PGE DEPOSIT, SOUTHWESTERN IBERIA: MAGMATIC ORE-FORMING PROCESSES AND RETROGRADE EVOLUTION. The Canadian Mineralogist, 42 (2) 325-350 doi:10.2113/gscanmin.42.2.325 | Journal (article/letter/editorial) | | Geológicas, Universidad Complutense, E–28040 Madrid, Spain FÉLIX GARCÍA-PALOMERO Atlantic Copper S.A., Av...Av. Francisco Montegro s/n, E–21001 Huelva, Spain TERESA MORENO Department of Earth, Ocean and Planetary...Geológicas, Universidad Complutense, E–28040 Madrid, Spain HAZEL M. PRICHARD and PETER C. FISHER Department...Ni–Cu–PGE ore deposit, in southwestern Iberia, has a magmatic origin, and has been reworked by later skarn-related...fragments of pyroxenite and peridotite. These rocks show a pervasive retrograde alteration with an early overprint |  | Spiridonov, E. M., Orsoev, D. A., Ariskin, A. A., Nikolaev, G. S., Kislov, E. V., Korotaeva, N. N., Yapaskurt, V. O. (2019) Hg- and Cd-Bearing Pd, Pt, Au, and Ag Minerals in Sulfide-Bearing Mafic and Ultramafic Rocks of the Yoko-Dovyren Intrusion in the Baikalides of the Northern Baikal Area. Geochemistry International, 57 (1) 42-55 doi:10.1134/s0016702919010105 | Journal (article/letter/editorial) | | and Ag Minerals in Sulfide-Bearing Mafic and Ultramafic Rocks of the Yoko-Dovyren Intrusion in the Baikalides...Northern Baikal Area E. M. Spiridonova, *, D. A. Orsoevb, A. A. Ariskina, c, G. S. Nikolaevc, E. V. Kislovb...pegmatoid anorthosite (A) in the top part of the troctolite unit. From PL to T and further to A, the content and...Cd-bearing minerals identified only in A. The leading Hg concentrators in T and A are pneumatolytic (fluid–metasomatic)...potarite. Potarite in T is Pb-rich, and this mineral in A is Pb-free. Appreciable Hg concentrations in precious-metal |  | Gonzalez-Jimenez, J. M., Auge, T., Gervilla, F., Bailly, L., Proenza, J. A., Griffin, W. L. (2011) MINERALOGY AND GEOCHEMISTRY OF PLATINUM-RICH CHROMITITES FROM THE MANTLE-CRUST TRANSITION ZONE AT OUEN ISLAND, NEW CALEDONIA OPHIOLITE. The Canadian Mineralogist, 49 (6) 1549-1569 doi:10.3749/canmin.49.6.1549 | Journal (article/letter/editorial) | | CSIC), Avda. Fuentenueva s/n, E–18002 Granada, Spain Laurent BAILLY BRGM (Bureau de Recherches Géologiques...Claude-Guillemin, B.P. 36009, F–45060 Orléans, France Joaquin A. PROENZA Departament de Cristal·lografia, Mineralogia...Barcelona, Martí i Franquès s/n, E–08028 Barcelona, Spain William L. GRIFFIN ARC Centre of Excellence for...irregular bodies and schlieren of chromitite occur within a unit of layered plagioclase-bearing wehrlite on Ouen...chalcopyrite and bornite), awaruite (Ni3Fe), and a phase with a composition close to NiAsS (probably gersdorffite) |  | | Journal (article/letter/editorial) | | Peninsula, Russia T. L. Grokhovskaya, M. I. Lapina, and A. V. Mokhov Institute of Geology of Ore Deposits, Petrography...to 2435 ± 11 Ma) are described. This intrusion is a part of the Paleoproterozoic pluton of the Monche–Chuna–...primary PGM and later assemblages that formed as a result of replacement of the former have been identified...intercalating gabbronorite, pyroxenite, and peridodite of a rhythmically layered zone in the Monchetundra intrusion...time in ore zones of this pluton and examined under a microscope (Grokhovskaya and Laputina, 1988). The |  | 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) | | weathering of the Aguablanca Ni–Cu deposit, SW Spain Saioa Suárez & Hazel M. Prichard & Francisco Velasco...overlying the Aguablanca Ni–Cu-(PGE) magmatic deposit (Spain), has shown that the platinum-group minerals (PGM)...form the gossan. A combination of the characterization of PGE in host PGM, using a scanning electron...distribution of the PGE within a gossan to be documented. This study has revealed a complete in situ alteration...formation of partially oxidised PGM, (3) development of a wide range of oxidised Pt- and Pd-bearing phases, |  | | Journal (article/letter/editorial) | | Eastern Bushveld Complex, in South Africa. About 32% of a total of 790 PGM nuggets (50–1600 m in size) studied...susceptible, and reveal a wide spectrum of textural types, among which a Ni- and a Curich assemblage is...tetraferroplatinum [PtFe] – tulameenite [Pt2CuFe]. A variety of Pd–Pt–Te–Sb–Sn phases, Au–Ag alloys, and...moderate temperature in a reducing environment, and (3) oxidation of PGE sulfides in a low-temperature oxidizing...rocks in the source area by weathering and erosion. A long-lasting discussion, however, has centered on |  | | Report (volume) | | Geochemistry 81 FROM THE SERIES EDITOR It has been a pleasure working with the two volume editors and authors...electronegativity and oxidation states. For these reasons, a clear definition between the discussion of the PGE...Elements ‒ Preface Figure 1. Elements plotted as a function of atomic number versus their abundance in...HSE and strongly chalcophile elements, producing a range of absolute and relative inter-element fractionations...Discovery date Unknown Known to native Americans - A de Ulloa (South America) S Tennant (England) S Tennant |
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