准噶尔盆地西北缘乌夏走滑构造及油气勘探意义

新疆石油地质 ›› 2011, Vol. 32 ›› Issue (5): 447-450.

准噶尔盆地西北缘乌夏走滑构造及油气勘探意义

张越迁¹, 汪新², 刘继山¹, 梁瀚², 李震华¹, 汪仁富²

1.中国石油新疆油田分公司勘探开发研究院,新疆克拉玛依 834000;
2.浙江大学地球科学系,浙江杭州 310027

收稿日期:2010-10-26 出版日期:2011-10-01 发布日期:2020-08-19
作者简介:张越迁(1963-),男,新疆奎屯人,高级工程师,博士,石油地质, （Tel）0990-6867717（E-mail）zhangyueqian@petrochina.com.cn.

Wuerhe-Xiazijie Strike-Slip Structure and Petroleum Exploration Significance in Northwestern Margin of Junggar Basin

ZHANG Yue-qian¹, WANG Xin², LIU Ji-shan¹, LIANG Han², LI Zhen-hua¹, WANG Ren-fu²

1. Research Institute of Exploration and Development, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China;
2. Department of Geosciences, Zhejiang University, Hangzhou, Zhejiang 310058, China

Received:2010-10-26 Online:2011-10-01 Published:2020-08-19

摘要/Abstract

摘要： 野外地质调查资料和二维-三维地震反射剖面显示,西准噶尔晚古生代-中生代发育达尔布特走滑断层和克拉玛依—夏子街断裂带,达尔布特走滑断层为正花状构造,克拉玛依—夏子街断裂带发育右行走滑构造,形成雁行排列的乌尔禾背斜、夏子街背斜和高角度倾斜剪切断层等。古生代晚期-中生代准噶尔盆地西北缘发生右行剪切为主兼有逆冲的走滑运动,形成走滑断层和剪切断层转折褶皱,并非过去较普遍认为的准噶尔盆地西北缘发育逆冲推覆构造。新生代印度板块—欧亚大陆碰撞引发达尔布特断层重新活动发生左行走滑,克拉玛依—夏子街断裂带新生代未活动。搞清走滑构造的特征及其相关的圈闭类型,对该区油气勘探很有帮助。

关键词: 准噶尔盆地, 西北缘, 乌尔禾-夏子街断裂带, 雁行排列背斜, 达尔布特走滑断层

Abstract: New structural studies and 2-D and 3-D seismic profiles reveal that in the Upper Paleozoic-Mesozoic in western Junggar basin develop Dalabute strike-slip fault and Karamay-Xiazijie fault belt. The former assumes normal flower-shaped structures, the latter develops right strike-slip structures which form en echelon arrangement of Wuerhe antiline, Xiazijie anticline, high angle-dipping shear faults. In Late Paleozoic-Mesozoic the northwestern margin of Junggar basin occurred strike-slip movement dominated by right shear and overthrust structures, shaping the strike-slip faults and shear fault dogleg folds. This could deny the previous long-time idea of that in the northwestern margin of Junggar basin developed overthrust nappe structure. It is the collision between Cenozoic India plate and Eurasia that caused the reactivation of Dalabute fault along left strike-slip, while Karamay-Xiazijie fault belt was not activated in Cenozoic.

Key words: Junggar basin, Wuerhe-Xiazijie, en echelon anticline, Dalabute strike-slip fault

中图分类号:

TE111.1

张越迁, 汪新, 刘继山, 梁瀚, 李震华, 汪仁富. 准噶尔盆地西北缘乌夏走滑构造及油气勘探意义[J]. 新疆石油地质, 2011, 32(5): 447-450.

ZHANG Yue-qian, WANG Xin, LIU Ji-shan, LIANG Han, LI Zhen-hua, WANG Ren-fu. Wuerhe-Xiazijie Strike-Slip Structure and Petroleum Exploration Significance in Northwestern Margin of Junggar Basin[J]. Xinjiang Petroleum Geology, 2011, 32(5): 447-450.

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