Abstract
Geochemical and isotopic data define the role that mantle metasomatic fluids activity has on the magmatic evolution of the Quaternary potassic peri-Tyrrhenian volcanic belt, i.e., from southern Tuscany to Latium and Campania on the Apennine coastal range, Aeolian Islands, Ustica, Etna, and Sardinia. Discrepancies exist as to the origin of these fluids. Most authors suggest that the metasomatizing fluids originate from dehydration of a subducted lithospheric slab that developed, during the Tertiary, from the Apennines to the North African orogenic belt. Analysis of the volcano-tectonic evolution also helps establish the relationship between convergent plate tectonics and mantle degassing; plate dehydration would have enhanced only calc-alkaline volcanism.
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Locardi, E. (1985). Neogene and Quaternary Mediterranean Volcanism: The Tyrrhenian Example. In: Stanley, D.J., Wezel, FC. (eds) Geological Evolution of the Mediterranean Basin. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-8572-1_13
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DOI: https://doi.org/10.1007/978-1-4613-8572-1_13
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