云南省新街-董干地区地球化学特征及找矿方向  

Geochemical Characteristics and Prospecting Direction of the Xinjie-Dongan Area,Yunnan Province

作　　者：蒿金星 闫海忠[1] 孙璐伟[1] 王宁[1] 朱剑 孙载涛 段锦彪 杨正平 HAO Jinxing;YAN Haizhong;SUN Luwei;WANG Ning;ZHU Jian;SUN Zaitao;DUAN Jinbiao;YANG Zhengping(Geological Exploration Institute of Shandong Zhengyuan,China Metallurgical Geology Bureau,Jinan,Shandong 250014)

机构地区：[1]中国冶金地质总局山东正元地质勘查院,山东济南250014

出　　处：《地质与勘探》2019年第S01期419-428,共10页Geology and Exploration

基　　金：中国地质调查局地质矿产调查专项项目(项目编号:DD20160032)资助。

摘　　要：以云南省新街-董干地区1∶50000水系沉积物测量成果为基础,统计分析了水系沉积物地球化学参数。运用变异系数、成矿有利度、聚类分析及因子分析等方法分析区内19种元素的地球化学特征,划分出五类成矿元素组合,确定了主成矿元素。根据组合异常的空间分布及特征,圈定34处综合异常,结合成矿地质条件划分了四处成矿远景区。Based on the measurement results of 1∶50000 stream sediments in the Xinjie-Dongan area of Yunnan Province,the geochemical parameters of water sediments were statistically analyzed.Using the coefficient of variation,metallogenic favorable degree,cluster analysis and factor analysis,the geochemical characteristics of 19 elements in the area were analyzed,and the five types of ore-forming elements were divided to determine the main metallogenic elements.According to the spatial distribution and characteristics of the combined anomalies,34 comprehensive anomalies were delineated,and four ore prospecting areas were divided according to the ore-forming geological conditions.

关 键 词：水系沉积物测量 地球化学特征 元素相关性 成矿有利度 成矿远景区 新街-董干地区 云南省 

分 类 号：P618[天文地球—矿床学]