Authors
Gianfilippo De Astis, Federico Lucchi, Pierfrancesco Dellino, Luigi La Volpe, CLAUDIO ANTONIO Tranne, Maria Luce Frezzotti, Angelo Peccerillo
Publication date
2013
Journal
Geological Society, London, Memoirs
Volume
37
Issue
1
Pages
281-349
Publisher
The Geological Society of London
Description
Vulcano is an active NW–SE-elongated composite volcano located in the central Aeolian archipelago. Based on available radiometric ages and tephrochronology, the exposed volcanism started at c. 127 ka and spread through eight Eruptive Epochs separated by volcano-tectonic events and major quiescent stages. Various eruptive centres and two intersecting multi-stage calderas resulted from such evolution. Vulcano geological history displays several changes of eruption magnitude, eruption styles and composition of magmas through time. Vulcano rocks range from basalt to rhyolite and show variable alkali contents, roughly increasing during time. Magmas with low to intermediate SiO2 contents and high-K to shoshonite affinity prevail in the early Epochs 1–5 (c. 127–28 ka), whereas intermediate to high-SiO2 shoshonite and potassic alkaline products dominate the last three Epochs (<30 ka). This sharp …
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