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Authors: Armadillo, E.*
Bozzo, E.*
Cerv, V.*
De Santis, A.*
Di Mauro, D.*
Gambetta, M.*
Meloni, A.*
Pek, J.*
Speranza, F.*
Title: Geomagnetic depth sounding in the Northern Apennines (Italy)
Title of journal: Earth, Planets and Space
Series/Report no.: 5 / 53 (2001)
Publisher: TERRAPUB
Issue Date: 2001
Keywords: Geomagnetic Depth Sounding
Geoelectric Structure
Northern Apennines
Abstract: A Geomagnetic Depth Sounding (GDS) survey covering the Northern Apennines of Italy has been carried out in the period 1992–94. Induction arrows maps and hypothetical event Fourier maps were constructed to obtain an electromagnetic imaging of this area. Since the two dimensional (2-D) character comes out from those maps for periods greater than 32 minutes, a 2-D inverse modeling was carried out. The model responses show that a deep conductive layer (>5000 S) underlies the Apennine chain at about 20 km depth. The transition between the Adriatic and the Tyrrhenian domains is marked by a rather sharp vertical offset in this conducting layer. In the northwest sector of the studied area an anomalous high conductivity behavior is superimposed on the regional trend, which corresponds to the geothermal field of Larderello-Travale.
Appears in Collections:04.05.08. Instruments and techniques
04.05.99. General or miscellaneous
Papers Published / Papers in press

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