On the Los Pintares mine stockpile during the Punta del Cobre field workshop with Carlos Arevalo.   From left:  Ernesto Oporto (SCM Atacama Kozan, Chile), Daniel Muller (Ivanhoe Mines, China), Josh Bryant (BHP Billiton, Olympic Dam, Australia), Ximena Prieto (Barrick Sudamérica, Chile), Carlos Arevalo (Sernageomin, Chile, Workshop leader - seated in centre), Ken Nakayama (JOGMEC, Chile), Tony Goddard (Barrick Gold of Australia), Graeme Corlett (Ivanhoe Mines, China).   Photograph by Mike Porter