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《Geoscience》 2018-05
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Regional Geochemical Characteristics of Metallogenic Elements in Northwest China

ZHANG Jing;YANG Bo;LI Baoqiang;LI Huiying;Xi'an Center of Geological Survey,China Geological Survey;  
Based on 322,000 regional geochemical data of Shaanxi,Gansu,Ningxia,Qinghai and Xinjiang in Northwest China,a series of geochemical maps have been compiled and geochemical anomaly genealogy in Northwest China has also been established by statistical analysis,spatial analysis and expert analysis. The enrichment degree of W,Sn,Mo,Cu,Pb,Zn,Au,Ag and Ni in each geochemical region have been calculated,by which the geochemical region have been sorted,then the anomalous significance of W,Sn,Mo,Cu,Pb,Zn,Au,Ag and Ni in each geochemical region and sub-region have been calculated. Based on the result of calculation,the geochemical region and sub-regions has been sorted. The results show that Qinling geochemical region and Xiaoqinling geochemical sub-region are the geochemical regions and sub-regions with the highest anomaly significance,respectively. In Xiaoqinling geochemical sub-region,the anomaly significance index of Mo is the highest and the anomaly scale is the biggest; the anomaly significance index of Au is the second.
【Fund】: 中国地质调查局基础性公益性地质矿产调查二级项目“西北地区矿产资源潜力评价与综合”(1212010881632);中国地质调查局基础性公益性地质矿产调查二级项目“乌兹别克斯坦、塔吉克斯坦及邻区矿产资源潜力评价”(DD20160105)
【CateGory Index】: P632
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