| 库车再生前陆盆地的构造演化 |
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| 引用本文： | 刘志宏,卢华复,李西建,贾承造,雷刚林,陈楚铭,王国强,范湘涛.库车再生前陆盆地的构造演化[J].地质科学,2000,35(4):482-492. |
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| 作者姓名： | 刘志宏 卢华复 李西建 贾承造 雷刚林 陈楚铭 王国强 范湘涛 |
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| 作者单位： | 1. 吉林大学地球科学学院, 长春, 130061;2. 南京大学地球科学系, 南京, 210093;3. 西安工程学院, 西安, 710054;4. 塔里木石油勘探开发指挥部, 库尔勒, 841000 |
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| 基金项目： | 国家“九五”攻关项目!(编号95-1 11-01-01-04和95补2-1)资助 |
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| 摘 要： | 库车再生前陆盆地位于塔里木盆地的北缘,其沉积和构造特征具有典型的前陆盆地性质.库车再生前陆盆地开始形成于吉迪克组沉积早期(距今25Ma),叠置于晚二叠世-三叠纪前陆盆地之上,是始新世末印度-西藏碰撞的远距离构造效应所致.其中的前陆逆冲带是由浅部和深部两个层次的构造组成的,其构造特征具有不一致性和不协调性.库车再生前陆逆冲带内的台阶状逆断层及其相关褶皱都是伴随着中新世以来的造山运动形成的,由山前向盆地以背驮式渐次连续扩展,自渐新世晚期一直持续到现在.印度-西藏碰撞作用引起的陆内俯冲及壳内拆离-缩短作用是库车再生前陆盆地的形成机制.
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| 关 键 词： | 再生前陆盆地 前陆逆冲带 造山运动 构造演化 库车 |
| 收稿时间： | 1999-12-30 |
| 修稿时间： | 1999年12月30日 |
TECTONIC EVOLUTION OF KUQA REJUVENATED FORELAND BASIN |
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| Liu Zhihong,Lu Huafu,Li Xijian,Jia Chengzao,Lei Ganglin,Chen Chuming,Wang Guoqiang,Fan Xiangtao.TECTONIC EVOLUTION OF KUQA REJUVENATED FORELAND BASIN[J].Chinese Journal of Geology,2000,35(4):482-492. |
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| Authors: | Liu Zhihong Lu Huafu Li Xijian Jia Chengzao Lei Ganglin Chen Chuming Wang Guoqiang Fan Xiangtao |
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| Institution: | 1. Collage of Earth Sciences, Jilin University, Changchun 130061;2. Department of Earth Sciences, Nanjing University, Nanjing 210093;3. Xi'an Engineering University, Xi'an 710054;4. Tarim Petroleum Exploration and Development Bureau, Koler 841000 |
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| Abstract: | The Kuqa rejuvenated foreland basin (KRFB) is located along the northern flank of the Tarim basin. The characteristics of sedimentation and structure reveal a typical foreland basin. The KRFB, superimposed on the Late Permian Triassic foreland basin, was created from the early sedimentary period of Jidike formation (25Ma B.P.), and resulted from the remote tectonic effect of India Tibet collision. The thrusts in KRFB consisted of shallow and deep level structures which were inconsistency and disharmonic in varied levels. The flat ramp faulting and fault related folding in KRFB migrated from foothill of Tianshan Mountains to the basin in sequence of piggyback, and they were formed during orogeny from the Late Oligocene to now. The intercontinental subjection and intracrustal decollement shortening which resulted from India Tibet collision were effective forming mechanism of the KRFB. |
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| Keywords: | Rejuvenated foreland basin Foreland thrust belt Orogeny Tectonic evolution Kuqa |
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