 | Zaccarini, F., Bindi, L., Garuti, G., Proenza, J. A. (2014) RUTHENIUM AND MAGNETITE INTERGROWTHS FROM THE LOMA PEGUERA CHROMITITE, DOMINICAN REPUBLIC, AND RELEVANCE TO THE DEBATE OVER THE EXISTENCE OF PLATINUM-GROUP ELEMENT OXIDES AND HYDROXIDES. The Canadian Mineralogist, 52 (4) 617-624 doi:10.3749/canmin.1400030 | Journal (article/letter/editorial) | | believe that the investigated grains were originally laurite, ideally (Ru,Os)S2, crystallized during the magmatic...mineral lost its original S, which transformed the laurite to ruthenium. The newly formed ruthenium was probably...crystallization of magnetite. Keywords: PGE, ruthenium, laurite, magnetite, chromitite, Loma Peguera, Dominican...temperature by in situ alteration of a pre-existing laurite-erlichmanite mineral. This assumption is supported...finding of several grains composed of a core of laurite rimmed by the O-bearing material in the Nurali |  | Uysal, Ibrahim, Zaccarini, Federica, Sadiklar, M. Burhan, Bernhardt, Heinz-Jürgen, Bigi, Simona, Garuti, Giorgio (2009) Occurrence of rare Ru-Fe-Os-Ir-oxide and associated Platinum-group minerals (PGM) in the chromitite of Muğla ophiolite, SW-Turkey. Neues Jahrbuch für Mineralogie - Abhandlungen, 185 (3) 323-333 doi:10.1127/0077-7757/2009/0131 | Journal (article/letter/editorial) | | terms of Ru-Os-Ir overlap the field of coexisting laurite. This observation confirms the conclusion that the...PGE compounds derived from desulfurization of laurite at low temperature, with substitution of the removed...Tauride chains (Fig. 1a). Ultramafic rocks in the Muğla area (Fig. 1b) are interpreted as part of the Tauride...ophiolite from a small chromitite occurrence in an area 326 I. Uysal et al. Table 1. Platinum-group...chromitite differs from other occurrences from the same area, because of its coarse grained texture. The chromite |
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