Crustal models of the geothermal areas of Larderello and Mt. Amiata. (Contributo in atti di convegno)

Type
Label
  • Crustal models of the geothermal areas of Larderello and Mt. Amiata. (Contributo in atti di convegno) (literal)
Anno
  • 1996-01-01T00:00:00+01:00 (literal)
Alternative label
  • Gianelli G.[1], Manzella A.[1], Puxeddu M.[1] (1996)
    Crustal models of the geothermal areas of Larderello and Mt. Amiata.
    in Annual Meeting of the Geothermal Resources Council: Accomplishments of the past challenges of the future., USA
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Gianelli G.[1], Manzella A.[1], Puxeddu M.[1] (literal)
Pagina inizio
  • 287 (literal)
Pagina fine
  • 293 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.geothermal.org/ (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [1] CNR- International Institute for Geothermal Research, Pisa- Italy (literal)
Titolo
  • Crustal models of the geothermal areas of Larderello and Mt. Amiata. (literal)
Abstract
  • The study of core samples and geophysical data from the Larderello and Mt. Amiata geothermal areas indicate the presence of granite intrusions and granitic dykes as old as 3.8-2.9 My and widespread contact aureoles. Reflection seismic surveys reveal the presence of a highly reflective horizon (named K) in a depth range of 3-12 km in the two geothermal areas; seismic tomography and teleseismic studies show at Larderello a low velocity body, 30-40 km wide below the K horizon. Magnetotelluric surveys indicate the presence of a conductive body in good correlation with the anomalous tomographic and teleseismic body. The occurrence of shallow intrusive bodies, still partilally molten and associated with saline brines is here considered a reliable model (literal)
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