Acknowledgments
We thank all the people who, in past years, have contributed with data production and constructive ideas to the compilation of the dataset and to its tectonic interpretation with special regard to M.L. Balestrieri, F. Botti, V. Cantarelli, P. Casero, W. Cavazza, G. Fellin, C. Invernizzi, M. D’Errico, P. Di Leo, L. Di Paolo, C. Giampaolo, R., Maniscalco R., M. Schiattarella, R. Somma. Particularly acknowledged are R. Butler, S. Mazzoli, A. Praturlon and G.G. Zuffa, who inspired the initial project of integrating data, for their irreplaceable discussions on regional geology and geodynamic issues. A special thank to ENI for supporting the initial phases of our research. A. Cecili and C. Santini are kindly acknowledged for their help in database realization. This paper is dedicated to G. Cello and M. Grasso, two great friends and supporters of these studies, who recently passed away.
Research financial support: ex 60% Funds S. Corrado Dept. Earth Sciences.