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Authors: Argentieri, Alessio* 
Carlucci, Roberto* 
Cecchini, Flavio* 
Chiappini, Massimo* 
Ciotoli, Giancarlo* 
De Ritis, Riccardo* 
Di Filippo, Michele* 
Di Nezza, Maria* 
Marchetti, Marco* 
Margottini, Siro* 
Materni, Valerio* 
Meloni, Fabio* 
Nardi, Adriano* 
Rotella, Giovanni* 
Sapia, Vincenzo* 
Venuti, Alessandra* 
Title: Geophysical and geochemical investigations of a developing sinkhole in Guidonia area (Lazio)
Other Titles: Indagini geofisiche e geochimiche di un sinkhole in formazione nell’area di Guidonia (Lazio)
Journal: Memorie descrittive dellla carta geologica d'Italia 
Series/Report no.: /XCIX (2015)
Issue Date: Dec-2015
Keywords: Acque Albule Basin
geophysical prospecting
geochemical prospecting
Abstract: The Plio-Quaternary Acque Albule Basin is already known for the occurrence of sinkholes; since the spring 2014, it has been ongoing the study of an active subsidence process, which formed a depressed area near the Guidonia village. During the last year, the phenomenon has become more intense giving rise to two collapses along the eastern rim of the depression. Thus, geophysical and geogeochemical investigation campaigns started in order to understand the genesis and evolution of the phenomenon. Survey results allowed a geological and structural characterization, showing the presence of “travertino” at the depression margins and its absence therein. It has been recognized, by the geophysics, features with NW-SE and NNE-SSW direction ascribable to a possible depression fracturing and consistent with regional structural trends. Thus, it has been possible to plan and perform geognostic investigation consisting in two drillings aimed to define the stratigraphy of the marginal and inner part of the depression.
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