Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/8262
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dc.contributor.authorallItaliano, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.authorallCaruso, C.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.date.accessioned2012-10-18T07:22:25Zen
dc.date.available2012-10-18T07:22:25Zen
dc.date.issued2011en
dc.identifier.urihttp://hdl.handle.net/2122/8262en
dc.description.abstractA geochemical prospection of the fluids circulating over a volcanic island highlighted the existence of reservoirs of both fresh and thermal water although only a few natural manifestation, mainly occurring in submarine environment, provide clues of their existence. Coupling the information provided by the diffuse gas bubbling and the low-salinity waters discharged from the sea floor off the Island with those from the low-salinity and thermal waters collected from in-land wells drilled in recent times we found that a large amount of fresh and thermal waters are continuously discharged at the sea level. The thermal waters, collected at a temperature of 32-36°C, show a typical marine recharge with equilibrium temperatures estimated to be in the range of 120-160°C. As matter of fact, the small island holds relatively large reservoirs of both fresh and thermal waters. The geochemical features of the circulating fluids are driven by water-rock and gas-water interaction processes, while the heat supplied to the geothermal reservoir comes from volcanic rocks that are still cooling down after the end of the last volcanic activity supposed to be not older than 13ky.en
dc.language.isoEnglishen
dc.publisher.nameElsevieren
dc.relation.ispartofProcedia Earth and Planetary Scienceen
dc.relation.ispartofseries/4 (2011)en
dc.subjectgeochemistryen
dc.subjectthermal fluidsen
dc.subjectvolcanismen
dc.titleDetection of fresh and thermal waters over an island with extinct volcanism: the island of Salina (Aeolian arc, Italy)en
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber39-49en
dc.subject.INGV03. Hydrosphere::03.04. Chemical and biological::03.04.06. Hydrothermal systemsen
dc.identifier.doi10.1016/j.proeps.2011.11.005en
dc.relation.referencesKeller J. The island of Salina. Rend Soc It Miner Petrol 1980; 36: 489-524 [2] De Rosa R, Mazzuoli R, Rossi PL, Santacroce R, Ventura G. Nuovi dati per la ricostruzione della storia eruttiva dell' isola di Salina (Isole Eolie). Boll GNV, Pisa 1989, 2; 809-825 [3] Calanchi N, De Rosa R, Mazzuoli R, Rossi P, Santacroce R, Ventura G. Silicic magma entering a basaltic magma chamber: eruptive dynamics and magma mixing: an example from Salina (Aeolian islands, southern Tyrrhenian sea). Bull. Volcanol., 55, 1993; 504–522. [4] Aureli A, Gottini V, Rizzo S, Torre G. Bilancio idrico e caratteristiche delle acque dell’isola di Salina – Eolie. Boll. Acc. Gioenia Sci. Nat. Vol. 19, n. 327, 1986; pp 413 – 449. [5] Epstein, S., And Mayeda, T. (1953). Variation of O content of water from natural sources, Geochim. Cosmochim. Acta 4, 213–224. [6] Kendall C. and Coplen TB., (1985). Multisample conversion of water to hydrogen by zinc for stable isotope determination. Anal. Chem., 57, 1437-1440. [7] Sugisaki R, and Taki K. Simplified analysis of He, Ne and Ar dissolved in natural waters. Chemical J. 1987; 21, 21-23. [8] Capasso G, Inguaggiato S. A simple method for the determination of dissolved gases in natural waters. An application to thermal waters from Vulcano island. Appl. Geochem 13 (5), 1998; 631-642. [9] Sano Y, Wakita H. Precise measurement of helium isotopes in terrestrial gases. Bull. Chem. Soc. Jpn. 1988; 61, 1153–1157. [10] Hilton DR. The helium and carbon isotope systematics of a continental geothermal system: Results from monitoring studies at Long Valley caldera (California, USA). Chemical Geology 1996; 127, 269-295. [11] Italiano F. Hydrothermal fluids vented at shallow depths at the Aeolian islands: relationships with volcanic and geothermal systems. Proceedings International Workshop on Research In Shallow Marine And Fresh Water Systems, 39, 55-60. FOG 2009; 22, 55-60 [12] Italiano F, Bonfanti P, Ditta M, Petrini R, Slejko F. Helium and carbon isotopes in the dissolved gases of Friuli region (NE Italy): geochemical evidence of CO2 production and degassing over a seismically active area. Chem. Geol. 266 2009; 76–85, doi: 10.1016/j.chemgeo.2009.05.022en
dc.description.obiettivoSpecifico1.2. TTC - Sorveglianza geochimica delle aree vulcaniche attiveen
dc.description.journalTypeN/A or not JCRen
dc.description.fulltextrestricteden
dc.relation.eissn1878-5220en
dc.contributor.authorItaliano, F.en
dc.contributor.authorCaruso, C.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia-
crisitem.author.orcid0000-0002-9465-6398-
crisitem.author.orcid0000-0001-5604-0819-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent03. Hydrosphere-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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