黄骅坳陷孔南地区孔店期陆相断陷盆地古构造单元恢复及其演化特征
摘要
基于黄骅坳陷孔南地区大量的钻孔资料和地震资料,通过对孔店组地层厚度的初步复原,识别出了孔店期4个阶段盆地内的凸起与凹陷等构造单元的空间展布特征,恢复了各个阶段陆相断陷盆地的古构造单元,并初步获得了孔店期盆地的演化过程:盆地南北部的古构造单元具有明显的差异性,整体上盆地北部构造单元更为多样、演化过程更为复杂,由单断式盆地向双断式、两凹夹一凸型盆地演化;盆地南部则较为简单,盆地由坳陷型向单断式、再向双断式发展。
Based on the borehole data,seismic data and the preliminary restoration of the strata thickness of Kongdian Formation,the authors identified the space distribution characteristics of the raised and depressed tectonic units in Kongdian period during its four basin stages,restored the ancient tectonic units in the various stages of the continental faulted basin,obtained the evolutionary process of the basins in Kongdian period:the ancient tectonic units,in the south and north of basin,were of obvious differences,on the whole,the geotectonic elements were more various and the evolutionary process was more complex in the north basin,and the mono-faulted basin evolved into "double-faulted" basin and "double layer structure" basin;it was less complicated in south basin,and compression depression basin developed into the mono-faulted first,and then into "double-faulted" basin.
Based on the borehole data,seismic data and the preliminary restoration of the strata thickness of Kongdian Formation,the authors identified the space distribution characteristics of the raised and depressed tectonic units in Kongdian period during its four basin stages,restored the ancient tectonic units in the various stages of the continental faulted basin,obtained the evolutionary process of the basins in Kongdian period:the ancient tectonic units,in the south and north of basin,were of obvious differences,on the whole,the geotectonic elements were more various and the evolutionary process was more complex in the north basin,and the mono-faulted basin evolved into "double-faulted" basin and "double layer structure" basin;it was less complicated in south basin,and compression depression basin developed into the mono-faulted first,and then into "double-faulted" basin.
引文
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大港油田石油地质编辑委员会.1991.中国石油地质志:卷四[M].北京:石油工业出版社.
高战武,徐杰.2000,华北沧东断裂的构造特征[J].地震地质,22(4):395-404.
陆克政,漆家福,戴俊生,等.1997.渤海湾新生代含油气盆地构造模式[M].北京:地质出版社.
李大伟.2006.新构造运动与黄骅坳陷油气成藏[M].武汉:中国地质大学出版社.
漆家福,陈发景.1995.渤海湾新生代裂陷盆地的伸展模式及其动力学过程[J].石油实验地质,17(4):316-323.
颜照坤,段润梅,李勇,等.2011.黄骅坳陷孔南地区孔店期徐西断层构造活动规律研究——来自沉积响应的证据[J].地质学刊,35(1):1-10.
CHRISTIE-BLICK N,BIDDLE K T.1985.Deformation andbasin formation along strike-slip faults[C]//Strike-slip Deformation and Basin Formation.Tulsa,Oklahoma:SEPM,Special Publication37:1-34.
VAIL P R,BOWMAN S A,EISNER P N,et al.1991.Thestratigraphic signatures of tectonics,eustasy and sedimentology—An overview[M]//EINSEL E.Cycles and Eventsin Stratigraphy.Berlin:Springer-Verlag,617-659.
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