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新近纪以来构造运动对油气成藏的作用越来越受到重视,为了增加对北黄海新近纪以来地质和构造特征的了解,利用新近获得的覆盖大部分北黄海海域的地震资料以及船测重力资料,识别出北黄海海域新近纪以来的主要断层,发现它们主要为正断层.绝大部分主要断层在剖面上显示出“半地堑”边界断层的特点,在隆起带上也发育新近纪-第四纪断层,对应了重力异常条带的边界;此外,也有一些断层显示出明显的走滑特点,如北黄海西缘断裂.对比古近纪断裂图,发现在盆地内,这些新近纪断层是古近纪断层的继承,但因隆起带上缺少古近纪断层资料目前还未能判断继承性.
Since the Neo-Cenozoic, the tectonic movement has gained more and more attention in the field of hydrocarbon accumulation. In order to increase the understanding of the geological and tectonic features of the North Yellow Sea since the Neo-Cenozoic, the recently acquired seismic data covering most of the northern Yellow Sea and the gravity data , The main faults in the North Yellow Sea area since the Neogene have been identified and found to be mainly normal faults.The vast majority of the major faults show the features of the “half-graben” boundary fault in the profile and the Neogene Quaternary faults correspond to the boundaries of anomalous gravity belts, and some faults show obvious strike-slip features such as the western margin of the North Yellow Sea.Comparing the Paleogene fault maps, it is found that within the basin, these Neogene Faults are inherited from the Paleogene faults, but the lack of evidence from the Paleogene faults in the uplift has not yet been able to judge the succession.