西藏帮浦东段—笛给铅锌矿区CSAMT异常特征与深部找矿预测

陈小龙, 高坡, 程顺达, 王晓青, 罗可

A study of anomaly characteristics of CSAMT and deep prospecting prediction of the lead-zinc deposits in eastern Bangpu-Digei mining area of Tibet

CHEN Xiao-Long, GAO Po, CHENG Shun-Da, WANG Xiao-Qing, LUO Ke

图1 帮浦东段—笛给铅锌矿区地质简图 1—第四系残破积与冲洪积;2—第四系残坡积;3—第四系冲洪积;4—古新统典中组第一岩性段:凝灰岩、角砾岩、安山岩;5—古新统典中组第二岩性段: 安山岩、角砾岩;6—二叠系中统旁那组:片岩夹少量石英岩;7—二叠系下统洛巴堆组:大理岩、凝灰质板岩、炭质板岩;8—英安岩;9—黑云母二长花岗岩;10—喜山早期中细粒闪长岩;11—石英斑岩;12—矿体位置及编号;13—地质界线;14—推断断层位置及编号;15—采样位置及编号;16—笛给矿区范围;17—帮浦东段矿区范围;18—CSAMT测线及编号;19—验证钻孔

Fig.1 Geological diagram of the lead-zinc deposits in eastern Bangpu—Digei 1—Quaternary broken plot and alluvial product; 2—Quaternary residual slope product; 3—Quaternary alluvial products; 4—the first lithologic section of the Dianzhong group: tuffite,volcanic breccia,andesite; 5—the second lithologic section of the Dianzhong group: andesite,volcanic breccia; 6—Upper Permian Pangna group: a small amount of quartzite schist; 7—Lower Permian Luobadui group: marble、tuffaceous slate、carbonaceous slate ; 8—dacite; 9—biotite monzonitic granite; 10—Early Himalayan medium-fine-grained diorite; 11—quartz porphyry; 12—ore body location and number; 13—geological boundaries; 14—infer fault location and number; 15—pick up the sample taken by location and number; 16—Digei mining area; 17—mining area in the east section of Bangpu; 18—the scope and measuring line of the work of CSAMT; 19—verification drilling