@inbook{inbook744ff5f7,
title   = {Cachoeira gold deposit , Gurupi belt, Para, Brazil: geological setting, structure and mineralization - a preliminary report},
author = {Bettencourt, Jorge Silva and Borges, W R and Koritiake, M},
year = {1991},
publisher = {Balkema},
journal   = {Brazil Gold'91}
}