因子分析在地球化学分区中的应用及指示意义——以山东省莒县—五莲地区1:5万水系沉积物测量数据为例

卢文东, 孙斌, 李光杰, 魏伟, 夏小兴, 潘丙磊, 沙晴, 吕小红, 李元春, 乔娜

Application of factor analysis in geochemical zoning and its implications: A case study of 1:50,000 stream sediment survey in the Juxian-Wulian area, Shandong Province

LU Wen-Dong, SUN Bin, LI Guang-Jie, WEI Wei, XIA Xiao-Xing, PAN Bing-Lei, SHA Qing, LYU Xiao-Hong, LI Yuan-Chun, QIAO Na

图3 研究区下不落崮地区地质简图(a)及因子分析对比(b) 1—第四系;2—下白垩统大盛群;3—下白垩统青山群;4—下白垩统莱阳群;5—早白垩世大店序列;6—晚三叠世柳林庄序列;7—新元古代月季山序列;8—花岗斑岩脉;9—正长斑岩脉;10—二长斑岩脉;11—压扭性断裂/张扭性断裂/性质不明断裂;12—火山机构;13—F1(Co-Mn-Ti-V)分区;14—F2(Au-Ag-Mo-Cu-Bi)分区;15—F3(Cr-Ni)分区;16—F4(Pb-Zn)分区;17—F7(Hg)分区;18—混合因子分区;19—铜矿点;20—铁矿点;21—钾矿点

Fig.3 Geological sketch map (a) and factor analysis contrast map (b) of Xiabuluogu area in the study area 1—Quaternary system; 2—lower Cretaceous Dasheng Group; 3—lower Cretaceous Qingshan Group; 4—lower Cretaceous Laiyang Group; 5—early Cretaceous Dadian sequence; 6—late Triassic Liulinzhuang sequence; 7—Neoproterozoic Yuejishan sequence; 8—granite porphyry vein; 9—syenite porphyry vein; 10—monzonitic porphyry vein; 11—compression torsion fracture/tension torsion fracture/fracture of unknown nature; 12—volcanic institutions; 13—F1(Co-Mn-Ti-V) partition; 14—F2 (Au-Ag-Mo-Cu-Bi) partition; 15—F3(Cr-Ni) partition; 16—F4(Pb-Zn) zoning; 17—F7(Hg) zone; 18—mixed factor zoning; 19—copper mine; 20—iron ore point; 21—potash occurrences