Timescales of pre-eruptive magmatic processes at Vulcano (Aeolian Islands, Italy) during the last 1000 years

作者: Eugenio Nicotra , Marisa Giuffrida , Marco Viccaro , Paola Donato , Claudia D'Oriano

DOI: 10.1016/J.LITHOS.2018.07.028

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摘要: Abstract An integrated petrological and geochemical study on plagioclase crystals erupted at Vulcano Island (Aeolian Islands, Southern Italy) over the past 1000 years allowed us to draw a detailed model of internal structure volcanic system, in which modes magma interaction timescales storage crustal depth are shown. The integration compositional, textural temporal record preserved provides evidence for an articulated plumbing system constituted by several reservoirs connected crust-mantle boundary. Here, basaltic-shoshonitic resides is thought feed shallow reservoir both La Fossa Vulcanello centers, finally triggering eruptions throughout injections from depth. Textural micro-compositional data suggest presence three main levels located between ca. 17 2 km beneath Cone, were intermittently reactivated whole period activity considered. Plagioclase textures compositional zoning indicate that (

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