Sambugaro, Alberto (2014) Analisi geomorfologica del sottosuolo del tratto terminale delle Valli Chiampo-Agno, Alpone e Tramigna (Monti Lessini Orientali) Geomorphological analysis and characterization of stratigraphic sequence of the terminal section of the Valleys Chiampo-Agno, Alpone and Tramigna (Eastern Lessinian Massif, Northern Italy). [Magistrali biennali]
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This thesis deals with the evolution of the terminal section of the valleys Chiampo-Agno, Alpone and Tramigna belonging to the eastern Lessinian Massif, northern Italy. Particularly, geomorphological analysis and characterization of stratigraphic sequence were performed respectively using remote data, DTM and many cores made in the area in question. Indeed, the construction of detention basin, following the event of flooding fluvial in this area, necessitated the implementation of many cores to ensure the feasibility of the projects, which are description and the sampling in this work. Especially were made nine cores for the realization of the detention basin “San Lorenzo” in Soave (Tramigna valley), seven cores for the detention basin “Colombaretta” in Montecchia di Crosara (Alpone valley) and nine cores for the realization of detention basin in Montebello Vicentino (Chimpo-Agno valleys). Only a few of these, verily, make it useful to the target charge. In effect, the Tramigna valley’s cores are not use for the study of area’s evolution. During the study of the cores samples were taken to obtain absolute dates with the radiocarbon method. These samples were taken only in the MTC cores (Alpone valley), in particularly two in the MTC-S6 cores (23,50-23,52 m - 29,37-29,39 m) and one in the MTC-S3 cores (17,70-17,72 m) which were radiocarbon dated and gave respectively calibration age of 15.516-15.092 BC, 20.401-19.544 BC and 13.522-13.136 BC. The results were useful for tracking marker horizons which allowed correlations of paleosurfaces within the valleys and the plains investigated. The data collected allowed to recognize the deposits belonging to the last glacial maximum (LGM) from to the more recent last glacial and Holocene deposit. Furthermore, this study is equipped with a simplified geomorphological map of the plain between Montebello and Soave town that also considers the information of the micro-topography and soil characteristics. This product is thought to provide an effective integration of the first to study the subsurface. The work was carried out by collecting and analysing data that were thought to be a useful tool for the characterization of surface and subsurface geological units to the use of disciplines such as geotechnical and hydrology and serve in various aspects of civil protection.
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