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浅钻地球化学测量在甘肃北山南金山金矿外围浅覆盖区的应用
魏振宏1(), 赵吉昌2(), 曲正钢3, 樊新祥2, 李省晔2, 陈海云2, 刘永彪2, 杨镇熙2
Application of shallow drilling geochemical survey to shallow overburden area at the peripheral of Nanjinshan gold mine in Beishan, Gansu Province
WEI Zhen-Hong1(), ZHAO Ji-Chang2(), QU Zheng-Gang3, FAN Xin-Xiang2, LI Sheng-Ye2, CHEN Hai-Yun2, LIU Yong-Biao2, YANG Zhen-Xi2

图5. 研究区地质简图(a)、Au地球化学异常分布(b)及Ag地球化学异常分布(c)
1—全新统;2—更新统;3—新近系;4—石炭系白山组;5—中石炭世二长花岗岩;6—中石炭世石英闪长岩;7—中石炭世闪长岩;8—次生石英岩;9—性质不明断层;10—平移断层;11—正断层;12—逆断层;13—机动浅钻孔位;14—土壤测量点位;15—施工见矿钻孔;16—元素高值点;17—浅钻剖面位置;18—综合异常及编号;19—地球化学测量范围;20—选矿厂位置;21—金矿化带;22—金银矿化带

Fig.5. Geological sketch map (a), Au geochemical anomaly distribution (b) and Ag geochemical anomaly distribution (c) of the study area
1—Holocene; 2—Pleistocene; 3—Neogene; 4—Carboniferous Baishan formation; 5—middle Carboniferous monzogranite; 6—middle Carboniferous quartz diorite; 7—middle Carboniferous diorite; 8—secondary quartzite; 9—fault of unknown nature; 10—strike-slip fault;11—normal fault; 12—reverse fault; 13—motor-driven shallow drilling position; 14—soil survey points; 15—drilling of ore in construction; 16—high value point of element; 17—position of shallow drilling section; 18—comprehensive abnormality and number; 19—geochemical survey range; 20—concentrator location; 21—gold mineralization zone; 22—gold-silver mineralized zone