Summary
The magnetotelluric method gives some doubtful results when lateral variations occur. In that case the use of d.c deep geoelectric soundings may be useful, owing to the larger number of data which may be gathered by means of artificial currents in areas with complicated structures, at least within 15 km depth. The possibility has been show of using the polar dipole-dipole arrays formerly experimented by the author for the execution of deep sounding in the regional explorations.
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References
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© 1984 Plenum Press, New York
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Alfano, L. (1984). Geoelectrical Deep Explorations by Means of Direct Currents. In: Cassinis, R. (eds) Problems and Methods for Lithospheric Exploration. Ettore Majorana International Science Series. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-2373-0_8
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DOI: https://doi.org/10.1007/978-1-4613-2373-0_8
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