characterization of oxykinoshitalite in an olivine nephelinite from the Hyblean Plateau (Sicily, Italy) FABIO C...Ambientali, Università di Catania, Corso Italia 57, 95129 Catania, Italy *Corresponding author, e-mail:...1, 27100 Pavia, Italy 3 Dipartimento di Fisica e Astronomia, Università di Catania, Viale A. Doria 6...6, 95125 Catania, Italy Abstract: A Ba-Ti rich oxymica occurs in an olivine nephelinite from S. Demetrio...Demetrio High in the northern margin of the Hyblean Plateau (Sicily, Italy). The rock sample exhibits a porphyritic |