http://www.cnr.it/ontology/cnr/individuo/prodotto/ID49737
Tectonostratigraphy of Lake Trasimeno (Italy) and the geological evolution of the Northern Apennines (Articolo in rivista)
- Type
- Label
- Tectonostratigraphy of Lake Trasimeno (Italy) and the geological evolution of the Northern Apennines (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.tecto.2010.06.010 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Gasperini L.(1); Barchi M.(2); Bellucci L. G.(1); Bortoluzzi G.(1), Ligi M.(1); Pauselli C.(2) (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://www.sciencedirect.com/science/article/pii/S0040195110002635 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- (1) ISMAR-CNR Bologna
(2) Univ. Perugia (literal)
- Titolo
- Tectonostratigraphy of Lake Trasimeno (Italy) and the geological evolution of the Northern Apennines (literal)
- Abstract
- Trasimeno, a ~10 km diameter, shallow (b6 m deep) lake located in the Central Apennines (Italy) was
investigated using an integrated geological/geophysical approach. Single- and multi-channel seismic
reflection profiles were collected to reconstruct the geological history of the lake in connection with
regional geo-tectonic evolution. Data from the lake, complemented by geological studies of the lake's
surroundings, allowed us to recognize that its history is characterized by a rather continuous subsidence
driven by normal faults that developed over pre-existing compressional structures. We found that the
extensional tectonic regime affecting the entire sedimentary sequence up to the most recent deposits does
not show important changes since the lake's formation (Middle-Late Pleistocene) and is probably
responsible for its long-term preservation against sediment infill. Our data suggest that during Neogene-
Quaternary times the Trasimeno depression developed as: i) a marine gulf in the continental shelf of the
Tyrrhenian Sea (Early Pliocene); ii) a wide fluvial plain (Early Pleistocene); iii) a fresh-water lake filling a
subsiding tectonic depression (Middle Pleistocene to present-day). Results of this study indicate that the
Lake Trasimeno basin can be regarded as a rather efficient recorder of geological events; this might also be
the case of other continental shallow-water basins, because these environments favor the acquisition of
high-quality geophysical images of the subsurface, and could reveal high-resolution stratigraphic records not
common in other continental environments. (literal)
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