Plio-Pleistocene geological evolution of the northern Sicily continentalmargin (southern Tyrrhenian Sea): new insights from high-resolution,multi-electrode sparker profiles

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High-resolution seismic profiles were acquired in the north Sicily offshore region with an innovative, multi-tip sparker array which lacks ringing and has a base frequency around 600 Hz. The new data, combinedwith published data, suggest that intra-slope and extensional basins formed as a consequence of the lateMiocene (?)–early Pliocene shortening and thrusting,and the middle (?)–late Pliocene continental rifting affecting the internal side of the Sicilian-Maghrebian chain. Early (?) Pleistocene to Holocene high-amplitudeand high-frequency sea-level changes resulted in repeatedsub-aerial exposure and flooding of the shelf, and the deposition of cyclically arranged hemipelagic and shelf sediments. An uplift of the shelf could explain the non-preservation of the transgressive and of the lowstand wedge systems tracts in the oldest sequences.
Lingua originaleEnglish
pagine (da-a)53-63
Numero di pagine11
RivistaGeo-Marine Letters
Stato di pubblicazionePublished - 2003


All Science Journal Classification (ASJC) codes

  • Oceanography
  • Environmental Science (miscellaneous)
  • Geotechnical Engineering and Engineering Geology
  • Earth and Planetary Sciences (miscellaneous)

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