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Caracterização Geoquímica de Jazigos Filonianos de Pb-Zn-(Ag) através do Estudo...
C. Marques de Sá; F. NoronhaSulfides from Portuguese Vein-type Pb-Zn-(Ag) deposits were analysed with electronic microprobe. The results obtained for several minor elements present in galena and sphalerite were then statistically studied using principal components analysis (PCA). We intend to contribute to the geochemical characterization of these deposits through their contents in the minor elements. We hope to distinguish different subt...
Estudo de Inclusões Fluidas de Jazigos de Pb-Zn-(Ag) do Centro e Nordeste de Po...
C. Marques de Sá; F. NoronhaFluid Inclusion studies are being carried out in Pb-Zn-(Ag) deposits from NE and Central Portugal. In this brief abstract the preliminary results obtained for one of these deposits are presented: Ferronho deposit (Bragança district). Samples of quartz from the mineralized veins were petrographically studied and fluid inclusion assemblages defined in relation to different depositional events. Results from the mi...
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