【摘要】 探讨了矿床地质环境模型的概念、研究方法和研究内容,以德兴铜矿为例开展了矿床地质环境模型的示范研究。详细介绍了德兴铜矿开矿前的地质、微量元素地球化学特征和开矿前对环境释放的重金属元素总量等;通过野外采样和室内的数据分析研究了德兴铜矿开矿过程中的环境特征,以大坞河流域和4#尾砂库为研究对象,分析元素含量,结合元素形态分析、环境矿物学分析、室内污染物迁移模拟,详细论述了开矿过程中重金属元素对环境的影响;以关闭后复垦的1#尾砂库为部分功能区关闭之后环境特征的研究对象,建立了德兴铜矿床地质环境模型。更多还原

【Abstract】 This thesis is mainly focused on the concept,research methods and content of deposit geo-environment model.Dexing copper mine is set as an example here.In this thesis,there is detailed description about the geologic and trace element geochemical features,as long as the total amount of heavy metal component that has been released to the environment of Dexing copper mine be-fore it has been put into operation.In order to study the environmental characteristics before operation of Dexing copper mine,sam-ples from Dawu River and No.4 tailings dam were collected in field and analyzed in laboratory to ascertain the metal content.With the help of elemental speciation analysis,environmental mineral analysis and stimulation of in-door pollutant migration,the environ-mental impact of heavy metals during mining operation was discussed in details.Meanwhile,the No.1 tailing dam which has been re-habilitated after pit-closing is used as an objective to probe into the environmental features of some functional area.更多还原