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在巴西Departamento Nacional deProdusao Mineral(DNPM)矿业谘询范围内,作者有机会在Serra Pelada同黄金开采的领导监督管理机关商榷水力的和采矿技术的问题,在Serra Pelada“Garimpel-ros”以前按老方法的黄金开采和选矿.
Within the consultation of the Departamento Nacional de Produsao Mineral (DNPM) mining in Brazil, the authors had the opportunity to discuss the issue of hydraulics and mining technology with the leading mining authorities in Serra Pelada under the old method of Serra Pelada “Garimpel-ros” Gold mining and dressing.