Interpretation of confidential and public data was carried out in this study focusing on the structural setting and seismic stratigraphy of both foreland basin deposits and underlying shallow water carbonates of the foreland plate. Our structural interpretation, supported by accurate depth conversion of the seismic data and 2D restoration, reveals how the style of deformation of the foreland carbonate platform is dominated by positive inversion involving the oblique-slip reactivation of high-angle, inherited extensional faults rooted below the base of the carbonate succession. Rather than thrust accretion involving the foreland carbonate platform postulated by thin-skinned thrusting models, the observed structures record post-collisional foreland plate deformation associated with the far-field transmission of compressive stresses. Plio-Pleistocene foreland shortening resulted in the formation of segmented positive flower structures arranged in a right-stepping en-échelon pattern and in the coeval development of bending-moment faults accommodating arc-parallel extension in the growing anticlines. Our results emphasize the importance of Permo-Triassic extensional faults during later shortening, reducing on the other hand the role locally played by forebulge-and foreland plate flexuring-related normal faults in inversion structures involving the foreland carbonate platform. Oblique-slip faulting with substantial strike-slip components of motion and associated positive structures exerted a significant control in the development of structural traps and related hydrocarbon accumulation in the deformed foreland plate.

在这项研究中，对机密和公共数据进行了解释，重点是前陆盆地沉积物和前陆板块下面的浅层碳酸盐的构造背景和地震地层学。我们的结构解释得到地震数据的精确深度转换和2D还原的支持，揭示了前陆碳酸盐岩台地的变形方式如何由正反演主导，包括正向反演，该反演涉及高角度的倾斜滑移重新激活，而继承的伸展断层根植于海底之下。碳酸盐演替的基础。观察到的结构记录的是碰撞后前陆板块变形与压缩应力的远场传递有关，而不是由薄皮推进模型所假定的涉及前陆碳酸盐台地的逆冲增生。上新世更新世前陆缩短导致形成分段的正花结构，呈正阶梯状梯形排列，并且弯矩断层同时出现，在生长的背斜上适应弧平行延伸。我们的研究结果强调了在随后的缩短过程中，Permo-Triassic伸展断裂的重要性，另一方面减少了前陆和前陆板弯曲相关的正断层在涉及前陆碳酸盐台地的反演结构中的局部作用。斜滑断层具有大量的走滑运动分量和相关的正向构造，对变形前陆板块中构造圈闭的发展和相关油气的聚集起了重要的控制作用。