Discussion on "Gold deposits of the Tapajós and Alta Floresta domains, Tapajós-Parima orogenic belt, Amazon Craton, Brazil" by Santos JOS, Groves DI, Hartmann LA, Moura MA, McNaughton NJ (Mineralium Deposita 36:278-299, 2001) - Dreher, Ana Maria; Vlach, Silvio Roberto Farias; Martini, Sérgio Luiz (Mineralium Deposita, 2002)