基于构造地球化学弱信息提取技术的金属矿产探测研究

朵德英, 刘秀峰, 李波

Metal mineral exploration based on tectono-geochemistry weak information extraction

DUO De-Ying, LIU Xiu-Feng, LI Bo

图6 勘查区结构 1—第四系冲洪积物;2—晚三叠世蚀变余长花岗岩;3—晚三叠世黑云母二长花岗岩;4—中三叠世黑云母花岗闪长岩;5—中三叠世石英闪长岩;6—中三叠世闪长斑岩;7—中三叠世花岗闪长岩;8—中三叠世含暗色角闪包体花岗岩;9—晚二叠世二长花岗岩;10—早泥盆世角闪辉长岩;11—奥陶系祁漫塔格群火山岩组灰岩、硅质板岩、火山角砾岩等;12—青白口系丘吉东沟组千枚岩及结晶灰岩;13—长城系小庙组;14—古元古界金水口岩群黑云片麻岩;15—古元古界金水口岩群角闪片麻岩;16—黑云母花岗岩脉;17—地质界线;18—实测逆断层;19—性质不明断层;20—韧性剪切带;21—含金蚀变带及编号;22—勘查区;23—断裂带位置

Fig.6 Exploration area structure 1—Quaternary alluvial deposits; 2—late Triassic altered plagioclase granite; 3—late Triassic biotite diorite granite; 4—middle Triassic biotite granodiorite; 5—middle Triassic quartz diorite; 6—middle Triassic diorite porphyry; 7—middle Triassic granodiorite; 8—middle Triassic granite containing dark amphibolite inclusions; 9—late Permian diorite granite; 10—early Devonian amphibolite gabbro; 11—Ordovician system Qimantage Group volcanic rock formation limestone, siliceous slate, volcanic breccia, et al.; 12—Qingbaikou system Qiujidonggou Formation phyllite and crystalline limestone; 13—Changcheng system Xiaomiao Formation; 14—Paleoproterozoic Jinshuikou rock group black cloud gneiss; 15—Paleoproterozoic Jinshuikou rock group amphibolite gneiss; 16—black mica granite vein; 17—geological boundary; 18—measured reverse fault; 19—fault of unknown nature; 20—ductile shear band; 21—gold bearing alteration zone and its identification number; 22—exploration area; 23—location of the fault zone