| 赣东北前震旦纪陆内叠加褶皱 |
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| 引用本文： | 章泽军,张志,秦松贤,蔡雄飞,顾延生,赵温霞. 赣东北前震旦纪陆内叠加褶皱[J]. 地质学报, 2003, 77(2): 187-193 |
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| 作者姓名： | 章泽军 张志 秦松贤 蔡雄飞 顾延生 赵温霞 |
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| 作者单位： | 中国地质大学地球科学学院,武汉,430074 |
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| 基金项目： | 中国地质调查局H50E016012(田坂街)、H50E017012(游城)1∶5万区域地质调查(2000.1-2002.12，编号200013000104)部分成果 |
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| 摘 要： | 江南古陆与华夏古陆拼接带北西侧前震旦纪地层中存在着近东西向褶皱叠加在早期近南北向褶皱上的现象,这是怀玉地块向西拼贴、华夏古陆向北西碰撞拼接过程中构造应力向陆内传递时形成的构造变形系统。叠加褶皱与拼接带具有成生联系,且各自代表了不同构造部位的变形特点。这一构造系统形成于前震旦纪,可能与格林威尔(Grenville)造山运动相当。
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| 关 键 词： | 赣东北 叠加褶皱 前震旦纪 格林威尔 |
| 修稿时间： | 2001-04-26 |
Pre-Sinian Superimposed Intracontinental Fold in Northeastern Jiangxi |
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| ZHANG Zejun,ZHANG Zhi,QIN Songxian,CAI Xiongfei,GU Yansheng,Zhao WenxiaFaculty of Earth Sciences,China University of Geosciences,Wuhan,Hubei. Pre-Sinian Superimposed Intracontinental Fold in Northeastern Jiangxi[J]. Acta Geologica Sinica, 2003, 77(2): 187-193 |
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| Authors: | ZHANG Zejun ZHANG Zhi QIN Songxian CAI Xiongfei GU Yansheng Zhao WenxiaFaculty of Earth Sciences China University of Geosciences Wuhan Hubei |
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| Abstract: | A structural system of longitudinal folds superimposed by latitudinal folds occurs in the pre-Sinian rocks northwest of the suture zone between the Jiangnan and Cathaysia blocks. It is an intracontinental deformation system resulting from the structural stress caused by the collisions of the Huaiyu terrane moving westwards and the Cathaysia block moving northwestwards. Therefore, the superimposed fold system and the suture zone are interrelated in origin and they have the distinct deformation features in different structural positions. This structural system was formed in the pre -Sinian, probably related to the Grenville orogenic event. |
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| Keywords: | northeastern Jiangxi superimposed fold pre-Sinian period Grenville |
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