Geochemical features and geodynamic significance of the southern Tyrrhenian backarc basin (Articolo in rivista)

Type
Label
  • Geochemical features and geodynamic significance of the southern Tyrrhenian backarc basin (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Trua T. (1), Serri G. (1), Marani M.P. (2) (2007)
    Geochemical features and geodynamic significance of the southern Tyrrhenian backarc basin
    in Geological Society of America bulletin
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Trua T. (1), Serri G. (1), Marani M.P. (2) (literal)
Pagina inizio
  • 221 (literal)
Pagina fine
  • 233 (literal)
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  • DOI: 10.1130/2007.2418(11) http://www.gsajournals.org/perlserv (literal)
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  • 418 (literal)
Rivista
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  • Special Paper 418: Cenozoic Volcanism in the Mediterranean Area (literal)
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  • (1) Dipartimento di Scienze della Terra, Università degli Studi di Parma, Parco Area delle Scienze, 157A, I-43100 Parma, Italy (2) Istituto di Scienze Marine–Consiglio Nazionale delle Ricerche, Sezione di Geologia Marina, Via Gobetti 101, I-40129 Bologna, Italy (literal)
Titolo
  • Geochemical features and geodynamic significance of the southern Tyrrhenian backarc basin (literal)
Abstract
  • The southern Tyrrhenian region represents a rare case of an active backarc basin where island-arc basalt (IAB)–type and ocean-island basalt (OIB)–type magmas coexist. IAB-type magmatism is the most common, whereas OIB-type magmas are restricted to a few areas. Geochemical and isotopic characteristics of southern Tyrrhenian submarine volcanic samples are summarized herein, with special attention to samples recovered during recent seafloor sampling. Samples derived from Marsili volcano, the biggest seamount in the Tyrrhenian Sea, together with those of the Prometeo submarine lava field and Palinuro seamount, give a comprehensive picture of the mantle sources of southern Tyrrhenian magmatism. Most of these samples are relatively high-magnesian basalts that approximate primary magma compositions, thus providing insight into petrogenesis of IAB- and OIB-type magmas of this area. Petrological data, integrated with new bathymetric data, allow the geodynamic evolution of the southern Tyrrhenian backarc basin to be reconstructed. (literal)
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