| 吉林珲春小西南岔金-铜矿床控矿因素研究 |
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| 引用本文： | 崔圣哲,王晓志,李殿东.吉林珲春小西南岔金-铜矿床控矿因素研究[J].吉林地质,2011,30(4):1-5. |
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| 作者姓名： | 崔圣哲 王晓志 李殿东 |
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| 作者单位： | 1. 吉林省地质科学研究所,吉林长春,130012
2. 吉林省地质调查院,吉林长春,130061 |
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| 基金项目： | 中国地质调查局:吉黑东部矿产资源潜力综合调查与评价(1212011085481) |
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| 摘 要： | 小西南岔金-铜矿位于兴蒙造山带东端,其矿化类型可分为大脉型及细脉带型。矿脉空间产出主要受北北西向压扭性断裂构造控制,矿体则由充填于断裂裂隙中的含金-铜石英-多金属硫化物脉及其两侧围岩中的细脉浸染状矿化体构成。断裂构造是控制小西南岔金铜矿床主要的控矿因素,尤其区内北西向断裂构造控制矿体展布,与矿体规模呈正相关关系。区内闪长岩和闪长玢岩脉与成矿关系密切,是矿体直接围岩。矿体赋存在闪长玢岩脉上下盘中和其内部,所以岩浆活动为金、铜成矿提供了物质来源。
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| 关 键 词： | 小西南岔金-铜矿 控矿因素 构造 岩浆岩 |
Study on the ore-controlling factors of Xiaoxinancha gold-copper deposit,Jilin Province |
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| CUI Sheng-zhe,WANG Xiao-zhi,LI Dian-dong.Study on the ore-controlling factors of Xiaoxinancha gold-copper deposit,Jilin Province[J].Jilin Geology,2011,30(4):1-5. |
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| Authors: | CUI Sheng-zhe WANG Xiao-zhi LI Dian-dong |
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| Institution: | 1.1.Jilin Institute of Geological Sciences,Changchun 130012,Jilin,China;2.Institute of Geologic Survey of Jilin Province,Changchun 130061,Jilin,China |
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| Abstract: | Xiaoxinancha gold-copper deposit is located in the Eastern of Xingan-Mongolian orogenic belt.The mineralization types can be divided into large quartz vein type and fine quartz veinlet type.The gold-copper ore veins were controlled by NNW direction compression-shearing faults.The ore veins are composed of the quartz-polymetallic sulfide vein of contain gold-copper and the veins veinlet-disseminated ore bodies in wall rocks.The main factors of controlling ore are faults in Xiaoxinancha gold-copper deposit,especially NW direction controlling distribution of ore bodies,the scale of ore bodies positively correlativity with fault size.There are a close relationship between diorite,diorite-porphyrite dike and metallogeny,being the immediacy wall rock of ore bodies.The ore bodies occurred in footwall and hangjngwall of diorite-porphyrite dike or in diorite-porphyrite dike,the magma activities provided a ore-forming materials of gold-copper ores |
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| Keywords: | Xiaoxinancha gold-copper deposit ore-controlling factors structure magmatic rock |
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