【摘 要】
：
During the last century, several lead mines and a metal smelter were in production in the Upper Ribeira Valley, southeastern Brazil. After fifty years of activi
【机 构】
：
Institute of Geosciences University of Campinas Campinas SP Brazil,Institute of Geosciences Univers
【出 处】
：
Chinese Journal of Geochemistry
论文部分内容阅读
During the last century, several lead mines and a metal smelter were in production in the Upper Ribeira Valley, southeastern Brazil. After fifty years of activity, the refinery was shut down in November 1995 and, thereafter the last mines in production we
During the last century, several lead mines and a metal smelter were in production in the Upper Ribeira Valley, southeastern Brazil. After fifty years of activity, the refinery was shut down in November 1995 and, after the last mines in production we
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