Fumarolic minerals: an overview of active European volcanoes

Tonci Balic Zunic, Anna Garavelli, Sveinn Peter Jakobsson, Kristjan Jonasson, Athanasios Katerinopoulos, Konstantinos Kyriakopoulos, Pasquale Acquafredda

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Abstract

The fumarolic mineralogy of the Icelandic active volcanoes, the Tyrrhenian volcanic belt (Italy) and the Aegean active arc (Greece) is investigated, and literature data surveyed in order to define the characteristics of the European fumarolic systems. They show broad diversity of mineral associations, with Vesuvius and Vulcano being also among the world localities richest in mineral species. Volcanic systems, which show recession over a longer period, show fumarolic development from the hightemperature alkaline halide/sulphate, calcic sulphate or sulphidic parageneses, synchronous with or immediately following the eruptions, through mediumtemperature ammonium minerals, metal chlorides, or fluoride associations to the late low-temperature paragenesis dominated by sulphur, gypsum, alunogen, and other hydrous sulphates. The situation can be different in the systems that are not recessing but show fluctuations in activity, illustrated by the example of Vulcano where the high-temperature association appears intermittently. A full survey of the mineral
groups and species is given in respect to their importance and appearance in fumarolic associations.
Original languageEnglish
Title of host publicationUpdates in Volcanology - From Volcano Modelling to Volcano Geology
EditorsKaroly Nemeth
Number of pages56
PublisherInTechOpen
Publication date2016
Pages267-322
Chapter11
Publication statusPublished - 2016

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