Geomorphological instability in the left slope of the river Basento involved in the huge Brindisi di Montagna ScaloLandslide (Potenza, Basilicata) ABSTRACT: The left slope of the river Basento valley near Brindisi di Montagna (PZ) railway station is characterized by the presence of diffuse geomorphological instability. There is a large complex landslide that from Tempa Pizzuta hill develops down to the base of the slope where river Basento flows and the Potenza-Metaponto railway and an important motorway occur. In the upper part the landslide has the form of a deep slide, that in the lower part of the hill becomes a large earthflow with retrogressive evolution. A detailed study of the stability condition of the whole left hand slope of river Basento valley has been carried out after the last reactivation of the earth-flow. On the base of a detailed geological and geomorphological survey it has been possible to define the relationships between the different geological formations outcropping in the area and to define the geomorphological evolution. In the area a complex superposition of tectonic units have, characterized by an eastward vergence, can be observed. The study, starting from the analysis of the geomorphological characters of the studied area, tried to explain the complex interaction between the slide in the upper part of the slope and the earth-flow at the bottom.

Caratteri geomorfologici della instabilità del versante sinistro del Fiume Basento interessato dalla grande frana di Brindisi di Montagna Scalo (Potenza, Basilicata).

BENTIVENGA, Mario;GRIMALDI, Salvatore;PALLADINO, GIUSEPPE
2006

Abstract

Geomorphological instability in the left slope of the river Basento involved in the huge Brindisi di Montagna ScaloLandslide (Potenza, Basilicata) ABSTRACT: The left slope of the river Basento valley near Brindisi di Montagna (PZ) railway station is characterized by the presence of diffuse geomorphological instability. There is a large complex landslide that from Tempa Pizzuta hill develops down to the base of the slope where river Basento flows and the Potenza-Metaponto railway and an important motorway occur. In the upper part the landslide has the form of a deep slide, that in the lower part of the hill becomes a large earthflow with retrogressive evolution. A detailed study of the stability condition of the whole left hand slope of river Basento valley has been carried out after the last reactivation of the earth-flow. On the base of a detailed geological and geomorphological survey it has been possible to define the relationships between the different geological formations outcropping in the area and to define the geomorphological evolution. In the area a complex superposition of tectonic units have, characterized by an eastward vergence, can be observed. The study, starting from the analysis of the geomorphological characters of the studied area, tried to explain the complex interaction between the slide in the upper part of the slope and the earth-flow at the bottom.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11563/16816
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