A Pleistocenic terraced fluvial succession is found in the northern slope of the Torino Hill. This succession consists of many relics of flat surfaces, separated by scarps, with often associated sandy and silty deposits, suspended from 30 to 400 m on the Po Plain. Surfaces at high levels are more deformed, dissected and mostly deprived of their original sediments; lower ones are less deformed, more continuous and conservative. In the W sector of the area, surfaces form a degrading terraced succession towards the plain; in the E sector they form a succession embedded within the relief. These evidences indicate that the terraced fluvial succession isn’t link neither to the present hilly watercourses neither to the Po River, because at the same time it flowed south of the Torino Hill: the succession is connected with the modelling by ancient alpine watercourses. It may be supposed that the succession is the result of deformation of original plain sectors previous to the Po River rising north of the relief. The comparison of chronological reference of fluvial sediments with its altimetric distribution, suggests an uplift of the Torino Hill of about 1 mm/year: the present relief connected with this evolution favours landslides phenomena.

Pleistocene terraced fluvial succession, northern slope of the Torino Hill. / BARBERO D.; BOANO P.; COLLA M. T.; FORNO M. G.. - In: QUATERNARY INTERNATIONAL. - ISSN 1040-6182. - STAMPA. - 171-172(2007), pp. 64-71.

Pleistocene terraced fluvial succession, northern slope of the Torino Hill.

BARBERO, DIEGO;FORNO, Maria Gabriella
2007

Abstract

A Pleistocenic terraced fluvial succession is found in the northern slope of the Torino Hill. This succession consists of many relics of flat surfaces, separated by scarps, with often associated sandy and silty deposits, suspended from 30 to 400 m on the Po Plain. Surfaces at high levels are more deformed, dissected and mostly deprived of their original sediments; lower ones are less deformed, more continuous and conservative. In the W sector of the area, surfaces form a degrading terraced succession towards the plain; in the E sector they form a succession embedded within the relief. These evidences indicate that the terraced fluvial succession isn’t link neither to the present hilly watercourses neither to the Po River, because at the same time it flowed south of the Torino Hill: the succession is connected with the modelling by ancient alpine watercourses. It may be supposed that the succession is the result of deformation of original plain sectors previous to the Po River rising north of the relief. The comparison of chronological reference of fluvial sediments with its altimetric distribution, suggests an uplift of the Torino Hill of about 1 mm/year: the present relief connected with this evolution favours landslides phenomena.
171-172
64
71
http://www.elsevier.com
Pleistocene; Turin Hill; fluvial deposits
BARBERO D.; BOANO P.; COLLA M. T.; FORNO M. G.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/27972
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