A deep geoelectrical survey in the Southern Central Alps | Zendy

L. Alfano | Zendy; G. Lorenzoni | Zendy; Cesare Melandri | Zendy; M. Mocchi | Zendy; G. Nuttini | Zendy; F. Pirera | Zendy; M. F. Soffientini | Zendy

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A deep geoelectrical survey in the Southern Central Alps

Author(s) -

L. Alfano,

G. Lorenzoni,

Cesare Melandri,

M. Mocchi,

G. Nuttini,

F. Pirera,

M. F. Soffientini

Publication year - 1994

Publication title -

annals of geophysics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.394

H-Index - 60

eISSN - 2037-416X

pISSN - 1593-5213

DOI - 10.4401/ag-4166

Subject(s) - geology , sedimentary rock , electrical resistivity and conductivity , dipole , polar , ohm , geophysics , boundary (topology) , geomorphology , mineralogy , paleontology , physics , mathematical analysis , mathematics , quantum mechanics , astronomy

A deep geoelectrical survey was carried out on the Southern Central AIps, to the north of Bergamo, by means of the continuous polar dipole-dipole electrode array. Among the 6 profiles executed, 4 revealed the existence of a substratum with very high resistivity values (15 000-40 000 ohm.m) and a flat not very deep upper boundary; its thickness exceeds the maximum expIoration depths of the soundings (1 to 6 km). On the grounds of general considerations and resistivity field data set, it is possible to infer that the high values should be ascribed to endogenous rather than to sedimentary rocks. A problem arises since these geophysical results are not in agreement with some geological models

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