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

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5 研究区陵阳镇东部地区地质简图(a)及因子分析对比(b)
1—第四系;2—下白垩统青山群;3—下白垩统莱阳群;4—早白垩世大店序列;5—早白垩世埠柳序列;6—正长斑岩脉;7—二长斑岩脉;8—闪长玢岩脉;9—压扭性断裂/张扭性断裂/性质不明断裂;10—F₁(Co-Mn-Ti-V)分区;11—F₃(Cr-Ni)分区;12—F₄(Pb-Zn)分区;13—F₇(Hg)分区;14—F₈(W)分区;15—混合因子分区;16—铅矿点;17—铁矿点

Fig.5 Geological sketch map (a) and factor analysis contrast map (b) of the eastern part of Lingyang town in the study area
1—Quaternary system; 2—lower Cretaceous Qingshan Group; 3—lower Cretaceous Laiyang Group; 4—early Cretaceous Dadian sequence; 5—early Cretaceous Buliu sequence; 6—syenite porphyry vein; 7—monzonitic porphyry vein; 8—diorite porphyrite vein; 9—compression torsion fracture/tension torsion fracture/fracture of unknown nature; 10—F₁ (Co-Mn-Ti-V) zoning; 11—F₃ (Cr-Ni) partition; 12—F₄(Pb-Zn) zoning; 13—F₇ (Hg) zone; 14—F₈ (W) zone; 15—mixed factor zoning; 16—lead ore occurrence; 17—iron ore point