Abstract
Abstract Melt inclusion data indicate that Vesuvius feeding system active after 1631 eruption consists of a shallow reservoir ( P 200 MPa. This work demonstrates that input of volatile-rich magma blobs causes the recent violent strombolian and subplinian eruptions at Vesuvius. Volatile-rich mafic magmas and associated exsolved gas bubbles rising from this deep storage system could trigger composite effusive-explosive eruptions and govern the transition from lava effusion to lava fountain phases. The results of this work highlight the role of magmatic volatiles and of the deep system in the explosive dynamics of the eruptions during this period of activity.
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