东昆仑地区打柴沟金矿地球物理特征及深部找矿预测

喻忠鸿, 严玲琴, 张占雄, 李鹏, 李凤廷, 付佳

Geophysical characteristics and deep prospecting prediction of the Dachaigou gold deposit in the eastern Kunlun area

YU Zhong-Hong, YAN Ling-Qin, ZHANG Zhan-Xiong, LI Peng, LI Feng-Ting, FU Jia

图1 五龙沟金矿田地质(据文献[16]修改) 1—第四纪冲洪积物;2—新元古代丘吉东沟组;3—中元古代长城纪小庙组;4—古元古代金水口岩群;5—晚三叠世钾长花岗岩;6—早华力西期黑云母二长花岗岩;7—早华力西期蚀变斜长花岗岩;8—早加里东期黑云花岗闪长岩;9—新元古代黑云花岗闪长岩;10—新元古代含暗色包体花岗岩;11—新元古代石英闪长岩;12—基性岩脉;13—黑云母花岗岩脉;14—地质界线;15—走滑断层;16—实测正断层;17—推测逆断层;18—韧性剪切带;19—金矿床(点);20—多金属矿点;21—含金蚀变带及编号;22—矿区位置

Fig.1 Geological sketch of Wulonggou gold field(modified by reference [16]) 1—Quaternary alluvial proluvial; 2—Neoproterozoic Qiujidonggou formation; 3—Mesoproterozoic Changcheng Xiaomiao formation; 4—Paleoproterozoic Jinshuikou group; 5—late Triassic K-feldspar granite; 6—early Variscan biotite monzogranite; 7—early Variscan altered plagioclase granite; 8—early Caledonian biotite granodiorite; 9—Neoproterozoic biotite granodiorite; 10—Neoproterozoic dark enclave bearing granite; 11—Neoproterozoic quartz diorite; 12—basic dyke; 13—biotite granite veins; 14—geological boundary; 15—strike slip fault; 16— measured normal fault; 17—inferred reverse fault; 18—ductile shear zone; 19—gold deposit (occurrence); 20—polymetallic occurrences; 21—gold bearing alteration zone and its number; 22—mine location