构造原生晕在攻深找盲中的应用——以赣南银坑牛形坝铅锌金银矿床为例

陈伟, 谭友, 曹正端, 廖志权, 张宁发, 傅海晖

Application of tectonic primary halos in the exploration of deep concealed ore bodies: A case study of the Niuxingba plumbum-zinc-gold-silver deposit in Yinkeng, southern Jiangxi

CHEN Wei, TAN You, CAO Zheng-Duan, LIAO Zhi-Quan, ZHANG Ning-Fa, FU Hai-Hui

图1 江西银坑矿田地质矿产简图(b)及大地构造位置(a) 1—白垩系上统周田组;2—白垩系上统茅店组;3—侏罗系中统罗坳组;4—二叠系上统乐平组;5—二叠系中下统并层;6—石炭系上统大埔组;7—石炭系下统梓山组;8—泥盆系中-上统峡山群;9—寒武系下统牛角河组;10—震旦系上统老虎塘组;11—震旦系下统坝里组;12—南华系上统沙坝黄组;13—南华系下统上施组;14—青白口系上统库里组;15—白垩纪安山岩;16—侏罗纪第三阶段花岗岩;17—侏罗纪第二阶段花岗岩;18—侏罗纪第一阶段花岗岩;19—三叠纪花岗岩;20—志留纪第二阶段花岗岩;21—志留纪第一阶段花岗岩;22—志留纪第一阶段石英闪长岩;23—岩层产状;24—性质不明断层;25—推测断层;26—不整合界线;27—实测地质界线;28—铅锌矿;29—钨矿;30—金矿;31—银矿;32—锰矿;33—硫铁矿;34—银坑矿田范围

Fig.1 Diagram of geological mineral resources (b) and tectonic location (a) of Yinkeng ore field in Jiangxi Province 1—upper Cretaceous Zhoutian formation;2—upper Cretaceous Maodian formation;3—middle Jurassic Luo'ao formation;4—upper Permian Leping formation;5—middle and lower Permian strata;6—upper Carboniferous Dapu formation;7—lower Carboniferous Zishan formation;8—middle-upper Devonian Xiashan group;9—lower Cambrian Niujiaohe formation;10—upper Sinian Laohutang formation;11—lower Sinian Bali formation;12—upper Nanhua system Shaba huang formation;13—lower Nanhua system Shangshi formation;14—upper Qingbaikou system Kuli formation;15—Cretaceous andesite;16—third stage of Jurassic granite;17—second stage of Jurassic granite;18—first stage of Jurassic granite;19—Triassic granite;20—second stage of Silurian granites;21—first stage of Silurian granites;22—first stage of Silurian quartz diorite;23—rock strata attitude;24—fault of unknown nature;25—inferred fault;26—boundary of unconformity;27—observed geologic boundary;28—lead zinc ore;29—tungsten ore;30—gold ore;31—silver ore;32—manganese ore;33—pyrites;34—range of Yinkeng ore field