1,721,129 research outputs found
High-resolution imaging of the High Agri Valley basin (southern Italy) with Electrical Resistivity Tomography.
No full textThe first high-resolution images of the fault-controlled High Agri Valley Basin obtained with the electrical resistivity
tomography are presented. The Agri Valley is one of the more complex components of the Quaternary fault network of the
Apennine chain. The geometry of the pre-Quaternary bedrock, the location and dip of the master fault and the tectonic
evolution of the basin are still a subject of debate. Therefore, deep electrical resistivity tomography integrated with stratigraphic
analyses has been carried out to improve knowledge of the geological setting of the basin. The high-resolution electrical images
allow us to reconstruct the complex geometry of the basin. The electrical imaging highlights the irregular shape of the basin,
which is bordered by shallow faults and filled with Pleistocene alluvial deposits. In longitudinal cross-section, the basin
appears as a mosaic of fault-bounded blocks forming three different depocenters separated by intrabasinal highs. In transverse
cross-section, the basin is an irregular graben, locally asymmetric to the northeast, and with secondary grabens due to antithetic faults
On the methods of evaluation of the apparent resistivity under conditions of low message-to-noise ratio
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On the methods of evaluation of the apparent resistivity under conditions of low message-to-noise ratio
No full textIndividuazione di cavità sotterranee in aree urbane con metodologie geofisiche. Considerazioni generali e descrizione di un case-history
No full textOn the methods of evaluation of the apparent resistivity under conditions of low message-to-noise ratio
No full textStructure and sediment fill of the Alta Val d’Agri basin, resulting from field mapping, boreholes and deep electrical resistivity tomographies (Pleistocene, southern Italy).
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Individuazione di cavità sotterranee in aree urbane con metodologie geofisiche. Considerazioni generali e descrizione di un case-history
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