Discussion of "Petrography and geochemistry of granitoid pebbles from the Oligocene-Miocene deposits of the Internal Rifian Chain (Morocco): a possible new hypothesis of provenance and paleogeographical implications" by L.G. Gigliuto, A. Ouazani-Touhami, D. Puglisi, G. Puglisi & M.N. Zaghloul - Careri, Giuseppe; Guerrera, Francesco; Martin-Algarra, Agustin; Martin-Martin, Manuel; Messina, Antonia; Perrone, Vincenzo