Fig. 6


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(continued) (I) Base metal sulfide association (pyrite, chalcopyrite and tennantite) overprinting wolframite (stage III; reflected light, sample PLV-02-29). (J) Arsenopyrite crosscut by a chalcopyrite-tennantite veinlet (stage III; reflected light, sample PLV-7574a). (K) Pyrite-chalcopyrite veinlet crosscutting wolframite and scheelite (stage III; reflected light, sample PV-2a). (L) Sphalerite crosscut by chalcopyrite and pyrite association (stage III; reflected light, sample PV-3). (M) Scheelite containing relicts of wolframite and fragmented by a tourmaline-adularia crackle breccia (stage IV; plane-polarized transmitted light, sample PLV-02-13a). (N) Detail of the microbreccia composed of clasts of tourmaline, vermicular chlorite, and Nb–Ti–Y–HREE–W–U oxides (NTox) within an adularia matrix (stage IV; plane-polarized transmitted light, sample PLV-02-13a). (O) Adularia veinlet crosscutting quartz, siderite and chalcopyrite association (stage IV; reflected light, sample PV-2b). (P) Wolframite overprinted by scorodite and goethite resulting from complete dissolution of arsenopyrite (stage VI; plane-polarized transmitted light, sample PLV-02-17). Mineral abbreviations according to the IMA.

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