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喀拉玉尔滚构造带是南天山库车褶皱-冲断带的变形前缘,其地下深层变形特征仍然不清楚.结合野外地质调查结果、数字高程模型数据、钻井数据和高品质二维地震反射剖面,厘定喀拉玉尔滚构造带背斜的平面展布、几何学和运动学特征及变形时间,并结合前人研究成果探讨喀拉玉尔滚构造带新生代变形控制因素.喀拉玉尔滚构造带为典型的挤压构造带,近EW向延伸约165km,由一系列带状背斜组成,且背斜核部发育多条隐伏逆冲断层.喀拉玉尔滚构造带新生代变形特征主要表现为5个方面:(1)北喀背斜为盐枕构造;(2)中喀背斜和南喀背斜的几何形态不对称、背斜倾伏方向相反,分别为向北和向南,二者交汇处发生了位移转换;(3)羊塔克背斜和英买力背斜为基本对称的低幅度滑脱褶皱;(4)背斜幅度整体上从西往东逐渐降低;(5)背斜变形时间从西往东逐渐变新.研究结果表明,喀拉玉尔滚构造带新生代变形主要受区域挤压作用、盐层和基底构造共同控制.
The structural features of the Karajur roll tectonic belt are the deformation front of the Kuqa fold-thrust belt in the southern Tianshan Mountains, and the deformation characteristics of deep underground formations remain unclear.Based on the field geological survey results, digital elevation model data, drilling data and high-quality two-dimensional seismic Reflection profile and determine the plane distribution, geometric and kinematic characteristics and deformation time of Kelaer Er rolling tectonic belt anticline, and explore the Cenozoic deformation control factors of Kelaer Er rolling belt based on the previous research results. The Yurong structural belt is a typical crustal structural belt extending about 165km in the near EW direction and composed of a series of banded anticlines with multiple hidden thrust faults in the core of the anticline. The deformation features are mainly manifested in five aspects: (1) The northern anticline is a salt pillow structure; (2) the geometry of the middle anticline and the southern anticline is asymmetric and the reverse anticline is opposite in direction to (3) the sheep Tack anticline and the English-forcing anticline are basically symmetrical low-amplitude slippage folds; (4) the anticline amplitude gradually decreases from west to east as a whole ; (5) Anticline deformation time gradually changes from west to east Yule roller configured mainly by the deformation region with the new generation of squeezing action, the salt layer and the base common control configurations.