The Module 2 Group on the Broken Hill gossan (NSW, Australia).  -  From the left, rear - Prof. Onildo Marini (ADIMB), Carlos Bertoni (Golden Star Resources, Brazil), Lucio Molinari (Minorco, Brazil). Claus Schlegel (Anglovaal Minerals, Zambia), Carlos Augusto Medeiros (CVRD, Brazil), Tim Kennedy (Minorco, Australia), Ken Pride (Cominco, Canada), Pedro Ruiz (Rio Tinto, Argentina), Colin Joudrie (Cominco, Namibia), Barney Stevens (NSW Dept Mineral Resources - Expert Guide).
Middle - Elpidio Reis (Rio Tinto, Brazil), Prof. Marcel Dardenne (Univ. of Brasilia, Brazil), Marcio Santos Sales (Minorco, Brazil), Rocky Osborne (WMC Mineracao, Brazil), Petronilia Ronze (CVRD, Brazil), Alasdaire Pope (Rio Tinto, Chile).
Front - Prof. Aroldo Misi (Federal Univ. of Bahia, Brazil), Raul Bitencourt (Rio Tinto, Brazil).
Photograph by Mike Porter