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Photomicrographs of mineral assemblages for paragenetic stages I to VI of the Puy-les-Vignes deposit. (A) Greisenized gneiss composed of secondary quartz, muscovite and tourmaline with partially preserved foliation (stage Ia; crosspolarized transmitted light, sample PLV-02-01a). (B) Tourmalinite rim on a gneissic clast composed of prismatic tourmaline aggregates cemented by macrocrystalline quartz (stage Ib; plane-polarized transmitted light, sample PLV-02-01a). (C) Subeuhedral wolframite grain overgrown by muscovite showing kink-band deformation (stage II; crosspolarized transmitted light, sample PLV-02-03). (D) Wolframite partially replaced by ferberite-1 along crystal borders and crosscut by scheelite veinlets (stage II; reflected light, sample PLV-7597a). (E) Wolframite partially replaced by arsenopyrite showing dissolution features (stage II; reflected light, sample PLV-02-28b). (F) Scheelite replacing wolframite and showing dissolution textures (stage II; plane-polarized transmitted light, sample PLV-7597b). (G) Polycrystalline aggregates of randomly-oriented fibrous ferberite-2 crystals (“reinite”) within ferberite-1 (stage II; reflected light, sample PLV-02-11). (H) Ferberite-2 pseudomorph after scheelite (“reinite”) (stage II; plane-polarized transmitted light, sample PLV-02-26).
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