| 内蒙古太仆寺旗地区断裂构造特征 |
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| 引用本文： | 杨秀俊,王蕊,田麒,贾超. 内蒙古太仆寺旗地区断裂构造特征[J]. 地质找矿论丛, 2017, 32(1): 75-81. DOI: 10.6053/j.issn.1001-1412.2017.01.009 |
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| 作者姓名： | 杨秀俊 王蕊 田麒 贾超 |
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| 作者单位： | 1. 中国地质大学(北京)地球科学与资源学院,北京100083;天津华北地质勘查局地质研究所,天津300170;2. 中国地质大学(北京)地球科学与资源学院,北京100083;河北省区域地质矿产调查研究所,河北廊坊065000;3. 天津华北地质勘查局地质研究所,天津,300170 |
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| 摘 要： | 通过对内蒙古太仆寺旗地区1∶5万区域地质矿产调查,发现其断裂构造主要有NNE向、NEE向、NE向、NW向4组,以及少量近EW向和SN向断裂。NNE向断裂以正断层为主;NEE向断裂受后期再活化的影响,兼有正断层和逆断层的特征;NE向、NW向断裂与矿化关系最密切,二者交汇处是良好的矿化部位和矿点分布位置。根据断裂间的相互切割关系,结合区域构造演化史,可将断裂的形成期次分为3期,近EW向的深大断裂和NEE向、NWW向断裂形成时间相对较早,次为NE向、NW向断裂,最后演化出NE向、NW向断裂的次级断裂。
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| 关 键 词： | 太仆寺旗地区 断裂构造 控矿特征 内蒙古 |
| 收稿时间： | 2016-01-27 |
| 修稿时间： | 2016-12-12 |
Characteristics of faults in Taipushi area, Inner Mogolia |
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| YANG Xiujun,WANG Rui,TIAN Qi and JIA Chao. Characteristics of faults in Taipushi area, Inner Mogolia[J]. Contributions to Geology and Mineral Resources Research, 2017, 32(1): 75-81. DOI: 10.6053/j.issn.1001-1412.2017.01.009 |
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| Authors: | YANG Xiujun WANG Rui TIAN Qi JIA Chao |
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| Affiliation: | China University of Geo-science, Beijing 100083, China;Geological Institute of Tianjin North China Geological Exploration Bureau, Tianjin 300170, China,China University of Geo-science, Beijing 100083, China;Hebei Institute of geology and mineral resources survey, Hebei, Langfang 065000, China,Geological Institute of Tianjin North China Geological Exploration Bureau, Tianjin 300170, China and Geological Institute of Tianjin North China Geological Exploration Bureau, Tianjin 300170, China |
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| Abstract: | Regional geological survey at scale 1 ∶ 50000 and mineral resources investigation at Taibus of Inner Mongolia reveal four main groups of faults with strike in NNE,NEE,NE,NW directions and some small fractures nearly in EW and NS direction.The NNE fault is generally normal fault.The NEE is characterized by both normal and reverse fault due to the late stage activation The NE fault and NW fault are closely related to mineralization and intense mineralization and ore occurrence occur at intersections of the two groups of fault.Based on cutting relation of the faults and regional tectonic evolution history formation of the faults can be divided into three periods.regional EW deep fault,the earliest,then regional tensional NE fault and NNE fault,the NW,NE fault the latest ones. |
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| Keywords: | Taipushi area Fault and fracture Ore-controlling characteristics Inner Mongolia |
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