广西南竹河锡多金属矿床地质特征与构造控矿规律

XIE Hui,TIAN Jing-chun,ZHANG Gui-lin,ZHU Ying-tang,LU Xiao-ping,YANG Chen-yu,ZHANG Feng

Journal of Chengdu University of Technology(Science & Technology Edition)（2010）

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Abstract

广西都庞岭地区南竹河锡多金属矿床矿脉在平面上的分布规律具有"线性递变不等距"规律。矿脉矿石品位在平面上具有"中富侧贫",在垂向上具有"上富下贫"的特征。矿脉的矿化在平面上的分带性为"北部富锡,南部富钨"。矿床垂直构造分带性为"三层楼"分带模式。NNE向断裂和NW-NNW向断裂联合控矿是区内最重要的控矿规律。成矿分为两期:燕山早期形成NNE向矿脉,是矿区的主要成矿期;燕山中期形成NW-NNW向矿脉,是次要成矿期。

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Key words

Guangxi,Dupangling district,geological characteristics,tin-polymetallic ore,structural ore-control

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