Browse Items (3 total) Tags: magmatica effusiva Browse All Browse by Tag Search Items Sort by: Title Creator Date Added TUFO GIALLO NAPOLETANO Tags: campi flegrei, ignimbrite, magmatica effusiva, tufo di posillipo, tufo giallo napoletano TRACHITE ALCALINA Tags: alkaline, alkaline trachyte, magmatica effusiva, trachite TRACHIANDESITE Tags: chimismo intermedio, magmatica effusiva, procida, trachiandesite Featured Item MAGNESITE