Structure of lamprophyres: a discriminant marker for Variscan and Alpine tectonics in the Argentera-Mercantour Massif, Maritime AlpsMarco Filippi, Davide Zanoni, Guido Gosso, Jean-Marc Lardeaux, Chrystèle Verati and Maria Iole SpallaBSGF - Earth Sci. Bull., 190 (2019) 12DOI: https://doi.org/10.1051/bsgf/2019014