青海迪恰地区水系沉积物测量地球化学特征及找矿方向  

Stream Sediment Geochemical Characteristics and Prospecting in Diqia Area of Qinghai Province

作　　者：张健[1] 李孝红[1] 马志刚[1] 陈林栋 

机构地区：[1]天津华北地质勘查总院,天津300170

出　　处：《地质调查与研究》2015年第4期311-316,共6页Geological Survey and Research

基　　金：青海省地勘基金新开1/5万矿调项目(KD2012-04)

摘　　要：对青海迪恰地区1/5万水系沉积物测量结果进行初步分析,发现迪恰区以Au、Ag、Sb元素异常为主,伴有As、Hg、Bi、Cd、Cu、Sn等多元素组合异常,其形态主要受NW和近东西向断裂构造控制。对元素分布特征,相关性分析,因子分析,异常展布特征进行了探讨,认为Au、Ag、Sb为区内具有一定找矿潜力的元素,进而优选出滑日以金找矿远景区,龙特金锑多金属找矿远景区,鲁干隆哇银砷多金属找矿远景区。Based on 1/50 000 stream sediment survey in the Diqia area of Qinghai Province, we find an anomaly combination of multiple elements dominated by Au、Ag、Sb and accompanied by As、Hg、Bi、Cd、Cu、Sn. It is suggested that the anomaly is controlled by a number of NW- EW trending fracture zones. The study included the characteristics of element distribution, cluster analysis, factor analysis and anomaly distribution. The result reveals that the Diqia area might be a prospective area for Au、Ag、Sb. Three ore prospecting areas are chose： the Huariyi area with Au anomaly, the Longte area with Au- Sb multiple metal anomaly, and the Luganlongwa area with Ag-As multiple metal anomaly.

关 键 词：元素异常 聚类分析 因子分析 地球化学特征 找矿远景区 

分 类 号：P595[天文地球—地球化学]