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EVOLUTION OF THE MESOZOIC STRATA IN THE MIDDLE RANGE OF THE HUANGHUA DEPRESSION
Author(s): LOU Da, LI San-zhong, JIN Chong, ZHOU Yong-gang, LIU Bo, XU Shu-mei, DAI Li-ming, ZHOU Li-hong, GAO Zhen-ping
Pages: 43-
53
Year: 2008
Issue:
3
Journal: MARINE GEOLOGY & QUATERNARY GEOLOGY
Keyword: 平衡剖面; 构造演化; 中生代; 黄骅坳陷中区;
Abstract: 渤海湾盆地地区中生代构造演化与样式始终不明朗,特别是对燕山期变形始终存在争议,故选择黄骅坳陷中区中生界作为重点剖析对象,通过大量地震剖面的解释和平衡剖面技术复原古构造演化的研究,并结合前人研究成果和区域构造背景,提出黄骅坳陷中区中生代演化过程可大致分为4个阶段:印支晚期东西向宽缓褶皱及后期逆冲构造变形期、燕山早期挤压走滑构造变形期、燕山中期继承性挤压与右旋张扭构造变形期、燕山晚期-喜山期区域性伸展构造变形期.
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