Articles | Volume 10, issue 6
Research article
30 Oct 2019
Research article |  | 30 Oct 2019

The acid sulfate zone and the mineral alteration styles of the Roman Puteoli (Neapolitan area, Italy): clues on fluid fracturing progression at the Campi Flegrei volcano

Monica Piochi, Angela Mormone, Harald Strauss, and Giuseppina Balassone

Related subject area

Subject area: Crustal structure and composition | Editorial team: Geochemistry, mineralogy, petrology, and volcanology | Discipline: Mineralogy
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Cited articles

Aiuppa, A., Avino, R., Brusca, L., Caliro, S., Chiodini, G., D'Alessandro, W., Favara, R., Federico, C., Ginevra, W., Inguaggiato, S., Longo, M., Pecoraino, G., and Valenza, M.: Mineral control of arsenic content in thermal waters from volcano-hosted hydrothermal systems: Insights from island of Ischia and Phlegrean Fields (Campanian Volcanic Province, Italy), Chem. Geol., 229, 313–330,, 2006. 
Aiuppa, A., Tamburello, G., Di Napoli, R., Cardellini, C., Chiodini, G., Giudice, G., Grassa, F., and Pedone, M.: First observations of the fumarolic gas output from a restless caldera: Implications for the current period of unrest (2005–2013) at Campi Flegrei, Geochem. Geophy. Geosy., 14, 4153–4169,, 2013. 
Allard, P., Maiorani, A., Tedesco, D., Cortecci, G., and Turi, B.: Isotopic study of the origin of sulfur and carbon in Solfatara fumaroles, Campi Flegrei caldera, J. Volcanol. Geoth. Res., 48, 139–159,, 1991. 
Alloway, B. J.: Heavy metals in soils: Trace Metals and Metalloids in Soils and their Bioavailability, Springer Dordrecht Heidelberg New York London, 613 pp.,, 2013. 
Arribas, A.: Characteristics of high-sulfidation epithermal deposits, and their relation to magmatic fluid, in: Magmas, fuids and ore deposits, edited by: Thompson, J. F. H., Min. Ass. Canada, Short Course Notes, 23, 419–454, 1995. 
Short summary
The Campi Flegrei volcano in Italy displays hot fumarolic solfataras famous since Roman times. We use the solfataric mineralizations to investigate the local setting, evolution and geohazards. These provide information on hydrothermal activities that have been stable over the past 20 years. They reflect extreme conditions associated with the fluid overflow from subsurface and surface waters through a fracturing conduit. The solfataras are toxic and represent an extreme environment for life.