Coastal deformation between the Versilia and the Garigliano plains (Italy) since the last interglacial stage

Marco F. Nisi, Fabrizio Antonioli, Giuseppe Dai Pra, Gabriele Leoni, Sergio Silenzi

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Abstract

The opening of the north-central Tyrrhenian Sea is the result of the Cretaceous-Paleogene alpine collision, which triggered a series of regional uplift, subsidence and transcurrent tectonic mechanisms along the coastal Tyrrhenian sectors of peninsular Italy. These tectonic processes, in conjunction with the effects of glacio- and hydro-isostasy during the Quaternary, produced substantial crustal responses that, in some cases, reached metres in extent. In the study of coastal neotectonics, geomorphological markers of the last interglacial maximum, corresponding to marine isotope stage 5.5, are generally used to quantify the magnitude of the vertical crustal displacements that have occurred since 125 kyr. Through altimetrical, palaeoenvironmental and chronological reinterpretation of the most significant works published since 1913, combined with an additional set of data reported here, a detailed reconstruction of the shoreline displacements evident along 500 km of coast between northern Tuscany and southern Latium is presented. The reconstruction was carried out by quantifying the vertical movement since the last interglacial period and by identifying the tectonic behaviour of different coastal sectors. This has been done by carefully choosing the eustatic marker, among those available at each study site, in order to minimize the margin of error associated with the measurements. © 2003 John Wiley and Sons, Ltd.
Original languageEnglish
Pages (from-to)709 - 721
Number of pages13
JournalJournal of Quaternary Science
Volume18
Issue number8
DOIs
Publication statusPublished - Dec 2003
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Arts and Humanities (miscellaneous)
  • Earth and Planetary Sciences (miscellaneous)
  • Palaeontology

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