| Dual influence of the rejuvenation of Southern Tianshan and Western Kunlun orogen on the Cenozoic structure deformation of Tarim Basin, northwestern China： A superposition deformation model from Bachu Uplift |
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| 作者姓名： | HE Guang-yu HE Zhi-liang ZHANG Hong-an ZHU Zhi-xin CHEN Qiang-lu QIAN Yi-xiong GU Yi |
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| 作者单位： | HE Guang-yu1，HE Zhi-liang2，ZHANG Hong-an3，ZHU Zhi-xin3，CHEN Qiang-lu3，QIAN Yi-xiong3，4，GU Yi4 (1Department of Earth Sciences，Structure Research Center of Petroleum Basin of China Education Ministry，Zhejiang University，Hangzhou 310027，China) (2Exploration and Production Research Institute，SINOPEC，Beijing 100083，China) (3Westeastern Branch of Exploration and Production Research Institute，SINOPEC，Urumqi 830011，China) (4Wuxi Research Institute of Petroleum and Experiment Geology，SINOPEC，Wuxi 214214，China) |
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| 基金项目： | Project supported by the National Science and Technology Project of Tenth Five Years （No. 2001BA605A06A） and Science and Technology Cooperation Program of SIN0PEC （No. FYWX04-06）, China The author thank WU Heng-zhi, DENG Ping,LU Shen-qiang, HU Zhong-ping, WANG Li-chi, CAI Xi-yao, MA Yu-chun, SU Juan, YAN Ying-hua, L0NG Da-quan, CHEN Rui, ZHU Guo-qiang, HU An-ping, JIN Wei-feng, WU Lei and FENG Xi for their advice and assistance. |
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| 摘 要： | Based on new high-resolution seismic profiles and existing structural and sedimentary results,a superposition de-formation model for Cenozoic Bachu Uplift of northwestern Tarim Basin,northwestern China is proposed. The model presents the idea that the Bachu Uplift suffered structure superposition deformation under the dual influences of the Cenozoic uplifting of Southern Tianshan and Western Kunlun orogen,northwestern China. In the end of the Eocene (early Himalayan movement),Bachu Uplift started to be formed with the uplifting of Western Kunlun,and extended NNW into the interior of Kalpin Uplift. In the end of the Miocene (middle Himalayan movement),Bachu Uplift suffered not only the NNW structure deformation caused by the Western Kunlun uplifting,but also the NE structure deformation caused by the Southern Tianshan uplifting,and the thrust front fault of Kalpin thrust system related to the Southern Tianshan orogen intrudes southeastward into the hinterland of Bachu Uplift and extends NNE from well Pi1 to Xiaohaizi reservoir and Gudongshan mountain,which resulted in the strata folded and denuded strongly. In the end of the Pliocene (late Himalayan movement),the impact of Southern Tianshan orogen decreased because of the stress released with the breakthrough upward of Kalpin fault extending NE,and Bachu Uplift suffered mainly the structure deformation extending NW-NNW caused by the uplifting of Western Kunlun orogen.
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| 关 键 词： | 塔里木盆地 重叠变形 地质构造 天山 昆仑山 新生代 |
| 收稿时间： | 16 February 2007 |
| 修稿时间： | 2007-02-162007-06-19 |
Dual influence of the rejuvenation of Southern Tianshan and Western Kunlun orogen on the Cenozoic structure deformation of Tarim Basin,northwestern China: A superposition deformation model from Bachu Uplift |
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| HE Guang-yu HE Zhi-liang ZHANG Hong-an ZHU Zhi-xin CHEN Qiang-lu QIAN Yi-xiong GU Yi.Dual influence of the rejuvenation of Southern Tianshan and Western Kunlun orogen on the Cenozoic structure deformation of Tarim Basin,northwestern China: A superposition deformation model from Bachu Uplift[J].Journal of Zhejiang University Science,2007,8(9):1388-1394. |
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| Authors: | He Guang-yu He Zhi-liang Zhang Hong-an Zhu Zhi-xin Chen Qiang-lu Qian Yi-xiong Gu Yi |
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| Institution: | (1) Department of Earth Sciences, Structure Research Center of Petroleum Basin of China Education Ministry, Zhejiang University, Hangzhou, 310027, China;(2) Exploration and Production Research Institute, SINOPEC, Beijing, 100083, China;(3) Westeastern Branch of Exploration and Production Research Institute, SINOPEC, Urumqi, 830011, China;(4) Wuxi Research Institute of Petroleum and Experiment Geology, SINOPEC, Wuxi, 214214, China |
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| Abstract: | Based on new high-resolution seismic profiles and existing structural and sedimentary results,a superposition de-formation model for Cenozoic Bachu Uplift of northwestern Tarim Basin,northwestern China is proposed. The model presents the idea that the Bachu Uplift suffered structure superposition deformation under the dual influences of the Cenozoic uplifting of Southern Tianshan and Western Kunlun orogen,northwestern China. In the end of the Eocene (early Himalayan movement),Bachu Uplift started to be formed with the uplifting of Western Kunlun,and extended NNW into the interior of Kalpin Uplift. In the end of the Miocene (middle Himalayan movement),Bachu Uplift suffered not only the NNW structure deformation caused by the Western Kunlun uplifting,but also the NE structure deformation caused by the Southern Tianshan uplifting,and the thrust front fault of Kalpin thrust system related to the Southern Tianshan orogen intrudes southeastward into the hinterland of Bachu Uplift and extends NNE from well Pi1 to Xiaohaizi reservoir and Gudongshan mountain,which resulted in the strata folded and denuded strongly. In the end of the Pliocene (late Himalayan movement),the impact of Southern Tianshan orogen decreased because of the stress released with the breakthrough upward of Kalpin fault extending NE,and Bachu Uplift suffered mainly the structure deformation extending NW-NNW caused by the uplifting of Western Kunlun orogen. |
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| Keywords: | Superposition deformation model Bachu Uplift Southern Tianshan Western Kunlun Cenozoic |
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