Abstracts from the 2017–2018 Mineral Deposits Studies Group meeting. Issue 2 (3rd April 2018) - Santoro, L.; Yav, St. Tshipeng; Pirard, E.; Kaniki, A.; Arfè, G.; Mondillo, N.; Boni, M.; Joachimski, M.; Balassone, G.; Mormone, A.; Cauceglia, A.; Mondillo, N.; et al.