|本期目录/Table of Contents|

[1]陈刚,汤良杰,余腾孝,等.塔里木盆地玉北地区断裂构造差异变形及其控制因素[J].地球科学与环境学报,2015,37(03):42-54.
　CHEN Gang,TANG Liang-jie,YU Teng-xiao,et al.Differential Deformation and Control Mechanism of Fault Structures in Yubei Area of Tarim Basin[J].Journal of Earth Sciences and Environment,2015,37(03):42-54.
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第37卷
期数:
2015年第03期
页码:
42-54
栏目:
基础地质与矿产地质
出版日期:
2015-05-15

文章信息/Info

Title:
Differential Deformation and Control Mechanism of Fault Structures in Yubei Area of Tarim Basin
文章编号:
1672-6561(2015)03-0042-13
作者:
陈刚; 汤良杰; 余腾孝; 龙禹; 岳勇; 郭颖; 张旭光; 谢欣彤
1. 中国石油大学（北京） 油气资源与探测国家重点实验室，北京 102249； 2. 中国石油大学（北京）盆地与油藏研究中心，北京 102249； 3. 中国石化西北油田分公司，新疆 乌鲁木齐 830011
Author(s):
CHEN Gang;  TANG Liang-jie;  YU Teng-xiao;  LONG Yu;  YUE Yong;  GUO Ying;  ZHANG Xu-guang;  XIE Xin-tong
1. State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China; 2. Basin and Reservoir Research Center, China University of Petroleum, Beijing 102249, China; 3. Northwest Oilfield Company, SINOPEC, Urumqi 830011, Xinjiang, China
关键词:
断裂构造; 构造变形; 分层差异; 分期差异; 控制因素; 分布模式; 玉北地区; 塔里木盆地
Keywords:
fault structure;  structure deformation;  stratification difference;  stage difference;  control mechanism;  distribution pattern;  Yubei area;  Tarim Basin
分类号:
P542
DOI:
-
文献标志码:
A
摘要:
为揭示断裂构造差异变形特征及其成因机制，在二维和三维地震资料精细断裂解释的基础上，对塔里木盆地玉北地区断裂构造分层、分期和分区发育强度差异性进行了研究。结果表明：纵向上，断裂可以分为以逆冲构造为主的盐下基底构造、以盖层滑脱为主的盐上下古生界、以断层相关褶皱为主的上古生界和新生界4个构造层，自盐上下古生界至新生界构造变形总体逐渐减弱；平面上，玉北地区东部断裂活动更为强烈，以叠瓦冲断构造为主，次级断裂更为发育，密集分布，而玉北地区中西部冲断作用较弱，以逆冲滑脱、高角度逆冲构造为主，次级断裂不太发育，相对分散分布；断裂演化时间上，加里东中期玉北地区东部断裂活动强，中西部断裂活动较弱，加里东晚期—海西早期、海西晚期东部断裂相对稳定，中西部断裂活动相对较强，反映断裂活动自东向西的迁移特征；断裂构造发育位置、走向和分布受先存基底构造、构造应力场背景和膏盐岩滑脱层等共同控制；加里东中期断裂主要密集发育于先存基底构造薄弱带，受SE向挤压应力控制，断裂沿中、下寒武统由NW向朝SE向被动逆冲，形成多排NE向差异分布的逆冲断裂带。
Abstract:
In order to reveal the differential deformation and control mechanism of fault, the 2D and 3D seismic profiles were detailed analyzed, and the variances of layering, staging and developing intensity of fault structure were carefully studied in Yubei area of Tarim Basin. The results show that in the vertical, the fault structure can be divided into 4 structure layers, including pre-salt basal structure mainly with thrust structure, post-salt Lower Paleozoic mainly with cover detachment, Upper Paleozoic and Cenozoic mainly with fault-related fold, and the structural deformation gradually becomes weaker from post-salt Lower Paleozoic to Cenozoic; in the plane, fault activity in the eastern of Yubei area is strong mainly with nappe thrust structure, and secondary faults develop much better and intensively, while thrusting in the central-western of Yubei area is weak mainly with thrust-decollement and high-angle thrust structures, and secondary faults develop poorly and dispersively; for the evolution time of fault, Middle Caledonian is the strongest period of fault activity in the eastern of Yubei area while weakest in the central-western, and Late Caledonian-Early Hercynian and Late Hercynian are the stable periods of fault activity in the eastern while relatively strong in the central-western, and Himalayan is the weakest period of fault activity as a whole, so that the fault activities migrate from the eastern to the western; development position, direction and distribution of fault structures are controlled by pre-existing basement structure, tectonic stress field setting and gypsum-salt detachment layer; faults develop intensively in the weak zone of pre-existing basement structure and are controlled by SE-trending extrusion stress, and faults passively thrust from NW to SE along the Lower-Middle Cambrian and form thrusting fault zone with the differential distribution of multiple NE-trending.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-01-01
基金项目:国家自然科学基金项目(41172125,40972090);国家重点基础研究发展计划(“九七三”计划)项目(2012CB214804);国家科技重大专项项目(2011ZX05002-003-001);中国石化项目(P11086);中国石化西北油田分公司项目(KY2012-S-051)
作者简介:陈刚(1982-),男,安徽无为人,理学博士研究生,E-mail:cg_310@163.com。
通讯作者:汤良杰(1957-),男,安徽泾县人,教授,博士研究生导师,理学博士,E-mail:tanglj@cup.edu.cn。
更新日期/Last Update: 2015-05-27