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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/376
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dc.contributor.authorallCaracausi, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.authorallFavara, R.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.authorallItaliano, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.authorallNuccio, P. M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.authorallPaonita, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.authorallRizzo, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.date.accessioned2005-08-31T14:30:45Zen
dc.date.available2005-08-31T14:30:45Zen
dc.date.issued2005en
dc.identifier.urihttp://hdl.handle.net/2122/376en
dc.description.abstractWe report results on the measured high 3He/4He isotope ratio in western Sicily, interpreted together with the heat data. The study of this sector of the Europe-Africa interaction is crucial to a better understanding of the tectonics and the geodynamical evolution of the central Mediterranean area. The estimated mantle-derived helium fluxes in the investigated areas are up to 2–3 orders of magnitude greater than those of a stable continental area. The highest flux, found in the southernmost area near the Sicily Channel, where recent eruptions of the Ferdinandea Island occurred 20 miles out to sea off Sciacca, has been associated with a clear excess of heat flow. Our results indicate that there is an accumulation of magma below the continental crust of western Sicily that is possibly intruding and out-gassing through roughly N-S trending deep fault systems linked to the mantle, that have an extensional component. Although the identification of these faults is not sufficiently constrained by our data, they could possibly be linked to the pre-existing faults that originated during the Mesozoic extensional-transtensional tectonic phases.en
dc.format.extent503 bytesen
dc.format.extent134391 bytesen
dc.format.mimetypetext/htmlen
dc.format.mimetypeapplication/pdfen
dc.language.isoEnglishen
dc.publisher.nameAmerican Geophysical Unionen
dc.relation.ispartofGeophysical Research Lettersen
dc.relation.ispartofseries32(2005)en
dc.subjecthelium isotopesen
dc.subjectheat productionen
dc.subjecttectonicsen
dc.titleActive geodynamics of the central Mediterranean Sea: Tensional tectonic evidences in western Sicily from mantle-derived heliumen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumberL04312en
dc.identifier.URLhttp://www.agu.org/en
dc.subject.INGV03. Hydrosphere::03.04. Chemical and biological::03.04.05. Gasesen
dc.subject.INGV03. Hydrosphere::03.04. Chemical and biological::03.04.06. Hydrothermal systemsen
dc.subject.INGV03. Hydrosphere::03.04. Chemical and biological::03.04.07. Radioactivity and isotopesen
dc.subject.INGV04. Solid Earth::04.02. Exploration geophysics::04.02.03. Heat flowen
dc.subject.INGV04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistryen
dc.subject.INGV04. Solid Earth::04.07. Tectonophysics::04.07.03. Heat generation and transporten
dc.subject.INGV04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonicsen
dc.identifier.doi10.1029/2004GL021608en
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Valenza (2001), Hydrogeochemistry and stable isotopes of thermal springs: Earthquake-related chemical changes along Belice Fault (western Sicily), Appl. Geochem., 16, 1–17. Gautheron, C., and M. Moreira (2002), Helium signature of the subcontinental lithospheric mantle, Earth Planet. Sci. Lett., 199, 39–47. Giunta, G., F. Nigro, P. Renda, and A. Giorgianni (2000), The Sicilian-Maghrebides Tyrrhenian Margin: A neotectonic evolutionary model, Boll. Soc. Geol. Ital., 119, 553–565. Gueguen, E., C. Doglioni, and M. Fernandez (1998), On the post-25 Ma geodynamic evolution of the western Mediterranean, Tectonophysics, 298, 259–269. Hilton, D. R., T. P. Fisher, and B. Marty (2002), Noble gases and volatile recycling at subduction zones, Rev. Mineral. Geochem., 47, 319–370. Hollenstein, C., H. G. Kahle, A. Geiger, S. Jenny, S. Goes, and D. Giardini (2003), New GPS constrains on the Africa-Eurasia plate boundary zone in southern Italy, Geophys. Res. Lett., 30(18), 1935, doi:10.1029/2003GL017554. Inguaggiato, S., and A. Rizzo (2004), Dissolved helium isotope ratios in ground-waters: A new technique based on gas-water re-equilibration and its application to a volcanic area, Appl Geochem., 19, 665–673. Italiano, F., M. Martelli, G. Martinelli, and P. M. Nuccio (2000), Geochemical evidence of melt intrusions along lithospheric faults of the Southern Apennines (Italy): Geodynamic and seismogenic implications, J. Geophys. Res., 106, 13,569–13,578. Lachenbruch, A. H. (1968), Preliminary geothermal model of the Sierra Nevada, J. Geophys. Res., 73, 6977–6989. Marty, B., R. K. O’Nions, E. R. Oxburgh, D. Martel, and S. Lombardi (1992), Helium isotopes in Alpine regions, Tectonophysics, 206, 71–78. Nigro, F., and P. Renda (1999), Evoluzione geologica ed assetto strutturale della Sicilia centro-settentrionale, Boll. Soc. Geol. Ital., 118, 375–388. Nigro, F., and P. Renda (2000), Un modello di evoluzione tettono-sedimentaria dell’avanfossa neogenica siciliana, Boll. Soc. Geol. Ital., 119, 667–686. O’Nions, R. K., and E. R. Oxburgh (1983), Heat and helium in the Earth, Nature, 306, 429–431. O’Nions, R. K., and E. R. Oxburgh (1988), Helium, volatile fluxes and the development of continental crust, Earth Planet. Sci. Lett., 90, 331–347. Polyak, B., and I. N. Tolstikhin (1985), Isotopic composition of the Earth’s helium and the problem of the motive forces of tectonogenesis, Chem. Geol., 52, 9–33. Sano, Y., T. Tominaga, and S. N. Williams (1997), Secular variatios of helium and carbon isotopes at Galeras volcano, Colombia, J. Volcanol. Geotherm. Res., 77, 255–265. Speranza, F., R. Maniscalco, M. Mattei, A. Di Stefano, R. W. H. Butler, and R. Funicello (1999), Timing and magnitude of rotations in the frontal thrust systems of the southwestern Sicily, Tectonics, 18, 1178–1197. Torgersen, T. (1993), Defining the role of magmatism in extensional tectonics: Helium 3 fluxes in extensional basins, J. Geophys. Res., 98,16,257–16,269. van Keken, P. E., C. J. Ballentine, and Don Porcelli (2001), A dynamical investigation of the heat and helium imbalance, Earth Planat. Sci. Lett.,188, 421–434. Waples, D. W. (2001), A new model for heat flow in extensional basins: Radiogenic heat, asthenospheric heat, and the McKenzie model, Nat. Resour. Res., 10, 227–238. Zito, G., F. Mongelli, S. De Lorenzo, and C. Doglioni (2003), Heat flow and geodynamics in the Tyrrhenian Sea, Terra Nova, 15, 425–432en
dc.description.fulltextpartially_openen
dc.contributor.authorCaracausi, A.en
dc.contributor.authorFavara, R.en
dc.contributor.authorItaliano, F.en
dc.contributor.authorNuccio, P. M.en
dc.contributor.authorPaonita, A.en
dc.contributor.authorRizzo, A.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
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
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.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia-
crisitem.author.deptUniversità di Palermo-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italia-
crisitem.author.orcid0000-0003-2510-2890-
crisitem.author.orcid0000-0003-4588-2935-
crisitem.author.orcid0000-0002-9465-6398-
crisitem.author.orcid0000-0001-9124-5027-
crisitem.author.orcid0000-0003-2225-3781-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent03. Hydrosphere-
crisitem.classification.parent03. Hydrosphere-
crisitem.classification.parent03. Hydrosphere-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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