摘要
为准确划分胶东地区万第—留格庄一带1∶5万水系沉积物测量元素共生组合类型和圈定元素异常,利用R型因子分析和聚类分析,将研究区13种元素划分为5种组合类型:Au、Ag-Sn、Hg、Cu-Ni-As-Sb、Bi-W-Mo-Pb-Zn。结果表明,因子分析和聚类分析结果对应较好,有效的确定了研究区元素共生组合类型,为组合异常圈定提供了精准依据。通过对组合异常的查证,组合异常与地质矿产特征对应较好,在区内新发现铜矿(化)点3处、铅锌矿点1处,为下一步矿产勘查工作指明了方向。
In order to accurately classify the element association types and delineate the element anomalies in stream sediment measurements with the scale of 1∶50000 in Wanti—Liugezhuang area in Jiaodong area,by using R type factor analysis and cluster analysis,13 elements in the study area can be divided into 5 combination types,they are Au,Ag-Sn,Hg,Cu-Ni-As-Sb and Bi-W-Mo-Pb-Zn.It is showed that the results of factor analysis and cluster analysis can correspond well.The type of element symbiosis association in the study area can be determined effectively.It will provide an accurate basis for the delineation of combinational anomalies.Through verification,the combination of anomalies corresponds well with geological and mineralogical characteristics.3 new copper mineralization points and 1 lead zinc deposit points have been found.It will point out the direction for next exploration work.
作者
魏印涛
何其芬
WEI Yintao;HE Qifen(Shandong Geophysical and Geochemical Exploration Institute,Shandong Engineering Research Center of Underground Resources and Environment High Precision Detection,Shandong Provincial Engineering Research Center for Geological Prospecting,Shandong Ji'nan 250013,China)
出处
《山东国土资源》
2025年第2期7-13,共7页
Shandong Land and Resources
基金
山东省省级地质勘查项目,山东省胶东半岛西南部万第等六幅1∶5万水系沉积物测量,编号:鲁勘字〔2012〕43号。
关键词
水系沉积物
因子分析
聚类分析
元素组合
胶东地区
Stream sediments
factor analysis
cluster analysis
element combination
Jiaodong area
