图1华南西部-越南北部区域地质与矿床分布图(据Yan et al.,2017修改)Ⅰ-越北成矿区;二级成矿单元:Ⅰ1-越北隆起成矿带;Ⅰ2-谦河成矿带;Ⅰ3-沿海多金属成矿带.三级成矿单元:Ⅰ2-1-谦河铁矿区;Ⅰ2-2-高平-凉山锰铝矿带;Ⅰ2-3-北锡多金属矿带Fig.1Geological and ore deposits distribution map of western South China-North Vietnam(modified after Yan et al.,2017)I-North Vietnam metallogenic district.Second rank metallogenic unit:I1-North Vietnam uplift metallogenic belt;I2-Qianhe metallogenic belt;I3-Coastal polymetallic metallogenic belt.Third rank metallogenic unit:I2-1-Qianghe iron ore fie......(论文页数是:14页) ,越南语毕业论文,越语专业论文 |