| 柴北缘构造活动及其磷灰石裂变径迹记录 |
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| 引用本文： | 曾春林,姜波,张敏,尹成明,王超勇.柴北缘构造活动及其磷灰石裂变径迹记录[J].石油天然气学报,2009,31(2):20-24. |
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| 作者姓名： | 曾春林 姜波 张敏 尹成明 王超勇 |
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| 作者单位： | 1. 中国矿业大学资源与地球科学学院,江苏,徐州,221116
2. 青海油田分公司勘探开发研究院,甘肃,敦煌,736202 |
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| 基金项目： | 国家油气重大专项项目 |
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| 摘 要： | 根据野外典型构造变形观测和主干地震测线解释与分析，将柴北缘构造演化划分为早-中侏罗世的断坳盆地、晚侏罗世-自垩纪的坳陷盆地、自垩纪末期的反转挤压抬升剥蚀、古近纪坳陷盆地和新近纪挤压坳陷盆地5个阶段。柴北缘侏罗系主要是在造山期后的伸展作用及自身的沉积载荷下沉积的，其构造的复杂性主要是后期构造旋回叠加和改造的结果。受构造活动的控制，柴北缘侏罗系沉积中心具有由南西向北东迁移且沉积范围不断萎缩的特点。磷灰石裂变径迹测试显示，表观年龄（85±12）～（78±9）Ma、（34±9）Ma和2．9～1．1Ma，分别与燕山末期、喜马拉雅中、晚期挤压抬升构造活动相对应，为盆地构造演化分析提供了有力佐证。
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| 关 键 词： | 柴达木盆地 构造演化 沉积 磷灰石 裂变径迹 油气 |
Tectonic Activities and Apatite Fission-track Records in the Northern Margin of Qaidam Basin |
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| ZENG Chun-lin,JIANG Bo,ZHANG Ming,YING Cheng-ming,WANG Chao-yong.Tectonic Activities and Apatite Fission-track Records in the Northern Margin of Qaidam Basin[J].Journal of Oil and Gas Technology,2009,31(2):20-24. |
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| Authors: | ZENG Chun-lin JIANG Bo ZHANG Ming YING Cheng-ming WANG Chao-yong |
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| Affiliation: | School of Resources and Earth Science;China University of Mining and Technology;Xuzhou 221116;Jiangsu;China;Research Institute of Petroleum Exploration and Development;Qinghai Oilfield Company;PetroChina;Dunhuang 736202;Gansu;China;School of Resources and Earth Science;China |
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| Abstract: | Based on the analysis of structural deformation and seismic sections, tectonic evolution of Mesozoic and Cenozoic was divided into 5 stages: such as fault-depression stage in early-middle Jurassic; depression stage in late Jurassic-Cretaceous; uplift-erosion stage in late Cretaceous; depression stage in Paleogene; squeezed sag in Neogene. Controlled by the extension and postorogenic phase and self sedimentary loading, the Jurassic was formed, but the complexity of structure was the result of later activitie... |
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| Keywords: | Qaidam Basin tectonic evolution sedimentary apatite fission-track oil and gas |
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