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http://hdl.handle.net/2122/1910| Authors: | Alfano, L.* Lorenzoni, G.* Melandri, C.* Mocchi, M.* Nuttini, G.* Pirera, F.* Soffientini, M. F.* |
Title: | A deep geoelectrical survey in the Southern Central Alps | Issue Date: | Nov-1994 | Series/Report no.: | 5 supl/37 (1994) | URI: | http://hdl.handle.net/2122/1910 | Keywords: | geophysics geoelectric Central Alps |
Subject Classification: | 04. Solid Earth::04.02. Exploration geophysics::04.02.04. Magnetic and electrical methods | Abstract: | 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. |
| Appears in Collections: | Annals of Geophysics |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| 07 alfano.pdf | 3.51 MB | Adobe PDF | View/Open |
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