Barite–silica mineralization at the inter-Ordovician unconformity in southwestern Sardinia (Italy): a fluid inclusion study | Semantic Scholar
@article{Fedele2003BaritesilicaMA, title={Barite–silica mineralization at the inter-Ordovician unconformity in southwestern Sardinia (Italy): a fluid inclusion study}, author={Lorenzo Fedele and R. Todesca and Maria Boni}, journal={Mineralogy and Petrology}, year={2003}, volume={77}, pages={197-213}, url={https://api.semanticscholar.org/CorpusID:129874363} }
Summary¶Data from secondary fluid inclusions in barite and quartz occurring in strongly silicified lithologies (“Quarzite”) along the inter-Ordovician unconformity in SW Sardinia suggest that two distinct fluids are recorded in the mineral phases. (A), a high temperature (250–360 °C) – low salinity (0–6% NaCl equiv.) fluid, measured in quartz, (B), a high salinity (6–20% NaCl equiv.) – low temperature (<80–200 °C) fluid, measured in barite. Fluid (B), though less abundant than A, has also been…