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
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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
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Application of shallow drilling geochemical survey to shallow overburden area at the peripheral of Nanjinshan gold mine in Beishan, Gansu Province
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WEI Zhen-Hong 1(  ), ZHAO Ji-Chang 2(  ), QU Zheng-Gang 3, FAN Xin-Xiang 2, LI Sheng-Ye 2, CHEN Hai-Yun 2, LIU Yong-Biao 2, YANG Zhen-Xi 2
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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
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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
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