Trace elements mobility in soils from the active hydrothermal area of Nisyros (Greece)

Kyriaki Daskalopoulou, Sergio Calabrese, Silvia Milazzo, Francesco Parello, Kyriaki Daskalopoulou, Walter D’Alessandro, Franco Tassi, Sergio Bellomo, Konstantinos Kyriakopoulos, Lorenzo Brusca

Risultato della ricerca: Articlepeer review

5 Citazioni (Scopus)


Nisyros Island, Greece, is a stratovolcano known for its intense hydrothermal activity. On June 2013, during amultidisciplinary field campaign, soil samples were collected in the caldera area to determinate the mainmineralogical assemblages and to investigate the distribution of trace element concentrations and the possiblerelationship to the contribution of fluids of deep origin. Soil samples were analysed with XRD and for the chemicalcomposition of their leachable (deionized water) and pseudo total (microwave digestion) fraction both for major and trace elements. The results allow to divide the samples in 2 groups: Lakki Plain and Stefanos Crater. The latter, where a fumarolic area is located, shows a mineralogical assemblage dominated by phases typical of hydrothermal alteration. Their very low pH values (1.9 – 3.4) show the strong impact of fumarolic gases which are probably also the cause of strong enrichments in these soils of highly volatile elements like S, As, Se, Bi, Sb, Tl and Te.
Lingua originaleEnglish
pagine (da-a)1-6
Numero di pagine6
Stato di pubblicazionePublished - 2014

All Science Journal Classification (ASJC) codes

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