青海祁漫塔格山南坡1∶5万水系沉积物地球化学特征及成矿潜力分析  被引量:3

GEOCHEMICAL CHARACTERISTICS AND METALLOGENETIC POTENTIAL ANALYSIS OF 1∶ 50 000 SEDIMENTS IN THE SOUTHERN SLOPE OF QIMANTAGESHAN,QINGHAI

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作  者:袁桂林 李文忠 徐云甫[3] 彭中发[4] YUAN Gui-lin;LI Wen-zhong;XU Yun-fu;PENG Zhong-fa(Fourth Institute of Geological and Mineral Survey of Qinghai Province,Xining 810029,Qinghai,China;China University of Geosciences,Beijing 100083,China;Qinghai Geological Survey Institute,Xining 810012,Qinghai,China;Tianyi Mining Co.,Ltd.,Weng'an 550401,Guizhou,China)

机构地区:[1]青海省第四地质矿产勘查院,青海西宁810029 [2]中国地质大学,北京海淀100083 [3]青海省地质调查院,青海西宁810012 [4]贵州瓮安县天一矿业有限公司,贵州瓮安550401

出  处:《中国钼业》2018年第5期9-15,共7页China Molybdenum Industry

基  金:国土资源大调查计划项目(项目编码:1212010710321)

摘  要:根据1∶50 000土壤地球化学测量工作成果,对获得的9 880件土壤样品中Au、Ag、Sn、As、Sb、Bi、Co、Cu、Pb、Zn、Cr、W、Mo、Ba、Ni、V等16种元素进行了分析。测试表明,Pb、Zn、Ag、Mo等金属元素在该区相对丰度尤为突出更易富集而成矿。R型因子分析中,得到Co-Cr-Ni、Cu-Bi-Zn-W、Pb-Zn-Ag、Fe-Co、Mo-V、Sn、Au 7种地球化学分区类型。R型聚类分析中,在α=0. 01、γ=0. 36的相关水平上可分为二族,Ⅰ簇反映了基性岩、超基性岩及岩浆作用,Ⅱ簇是显示成矿作用的主要元素。通过区域地质背景、成矿地质条件和成矿规律研究分析,研究区内圈定成矿远景区4处,优选出7处重点找矿靶区,显示出较好的找矿潜力。According to results of 1∶ 50 000 soil geochemistry measurement,16 elements of 9880 soil samples,such As,Au,Ag,Sn,As,Sb,Bi,Co,Cu,Pb,Zn,Cr,W,Mo,Ba,Ni and V were analyzed. The test shows that the relative abundance of Pb,Zn,Ag,Mo and other metallic elements in this area is particularly prominent and easy to be enriched and mineralized. In the R-mode factor analysis,seven types of geochemical zoning were obtained: Co-Cr-Ni、Cu-Bi-Zn-W、Pb-Zn-Ag、Fe-Co、Mo-V,Sn and Au. In the R-mode cluster analysis,it can be divided into two groups at the correlation level of α = 0. 01 and γ = 0. 36. The cluster I reflects basic rock,ultramafic rock and magmatism,and cluster II is the main element of matallogenesis. Based on the analysis of regional geological background,metallogenic geological conditions and regularity of mineralization,4 metallogenic prospects were delineated and 7 key prospecting target areas were selected,which showing good prospecting potential.

关 键 词:水系沉积物 地球化学 成矿潜力 祁漫塔格山南坡 

分 类 号:TD146.2[矿业工程—矿山地质测量]

 

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