Marina Porta (1,2), Giovanni Grieco (1), Adalberto Codetta Raiteri (3), Giacomo Diego Gatta (1) & Marco Merlini (1)
(1) University of Study of Milan , Departement of Earth Sciences "A. Desio", Via Mangiagalli, 34, 20133, Milano, Italy.
(2) UNICAMearth - School of Science and Technology, Geologyv Division, University of Camerino, via Gentile III da Varano - 62032 Camerino, Italy.
(3) OPPI, Organization for professional teacher training, Via Console Marcello 20, 20156, Milano, Italy.
Corresponding author e-mail: giovanni.grieco@unimi.it