AEROMAGNETIC CONSTRAINTS ON THE GEOSTRUCTURAL INTERPRETATION OF THE SOUTHERN PART OF THE SARDINIAN RIFT, ITALY

Aeromagnetic data are interpreted to better understand the relationship between the southern part of the Oligo-Miocene rift and the Plio-Quaternary Campidano Graben on Sardinia. Particular reference is made to the geostructural location of the Campidano Graben. The aeromagnetic data have been interpreted by applying three different methods to the original survey data: spectral analysis, analytical signal and Werner deconvolution. The results of this study give first-order estimates of the depth of the magnetic basement and position of major dykes in the study area and on the efficiency of the inversion methods used.