A review of the gravity and magnetic studies in the Tyrrhenian Basin and its volcanic districts

F. Cella, M. Fedi, G. Florio, V. Paoletti, A. Rapolla


Since the Sixties, the turning point marked by the Plate Tectonics global theory has provided new ideas for the interpretation
of the complex geodynamic evolution of the Mediterranean area. The renewed interest that followed
gave a strong impulse to the geological and geophysical investigations of the Mediterranean area and, more specifically,
of the Tyrrhenian Basin. Therefore, large scale geophysical surveys and oceanographic cruises were carried
out until the end of the Eighties to fill the gap of geophysical information existing in the area until then. Afterwards,
short scale surveys were prevalent to improve the detail of the information in areas of geodynamic interest. The
gathered data sets allowed new models to be formulated, improving the knowledge of the crustal and lithospheric
structure of the Tyrrhenian Basin (and surrounding areas) and the reconstruction of its complex geodynamic evolution.
In this frame, the contribution of gravity and magnetic investigations has been unquestionable and deserves
a wide-ranging review both on large and small scale. The main features of the potential fields resulting from these
surveys will be described and the interpretative models suggested by several authors will be summarized.


Tyrrhenian Basin;gravity anomaly field;Magnetic anomaly field;enhancing techniques

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DOI: https://doi.org/10.4401/ag-3035
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Published by INGV, Istituto Nazionale di Geofisica e Vulcanologia - ISSN: 2037-416X