黄骅拗陷孔店凸起形成演化的动力学机制
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摘要
通过对黄骅拗陷孔店凸起及其周边区域地震剖面的分析,获得对孔店凸起构造格架特征和上覆地层特征的认识,从而探讨孔店凸起的构造演化史,将孔店凸起沉降曲线和基底沉降曲线、拉张量和拉张率曲线进行对比分析,然后结合孔店凸起的形态特征及其周边的构造格架,探讨孔店凸起发展演化的动力学机制。孔店凸起经历了隆升—沉降—再次隆升—再次沉降4个阶段:孔一下亚段沉积期开始孕育,形成低凸起,到孔一上亚段沉积期发生较大规模的隆升,经历了沙河街期短暂的沉降之后,在东营期孔店凸起再次发生隆升,新近纪以来,孔店凸起随着基底沉降再次进入沉降阶段。初步确认孔店凸起的形成与演化是沧东断层和徐西断层伸展运动和走滑运动共同作用的结果,并与主干断层(沧东断层)产状有一定关系。
By analyzing the seismic section of the Kongdian salient and its surrounding areas,this paper cognizes the tectonic framework characteristics of the Kongdian salient and overlying strata and approaches the tectonic evolution history of the Kongdian salient.The low salient began to gestate in the deposition period of the lower Kongd 1 formation,the salient had a large scale uplifting in the deposition period of the higher Kongd 1 formation,after the short deposition in the deposition period of Shahejie Formation,the Kongdian salient began to uplift again in the deposition period of Dongying Formation.Since the Neogene,the Kongdian salient occurred settlement again.So,in Cenozoic,the Kongdian salient experienced four stages: uplifting-subsiding-uplifting-subsiding.To the dynamic mechanism of the tectonic evolution of the Kongdian salient,firstly,this paper makes the comparative analysis of the settlement curve of the Kongdian salient,the settlement curve of the basement,the settlement of the extensional amount and the extensional rate.Combined with the morphological characteristics of the Kongdian salient and its tectonic framework characteristics,the authors preliminarily have an idea that the formation and evolution of the Kongdian salient are due to the extensional movement and the strike-slip movement of the Cangdong fault and the Xuxi fault,and also,have a certain relationship with the occurrence of the main fault(Cangdong fault).
By analyzing the seismic section of the Kongdian salient and its surrounding areas,this paper cognizes the tectonic framework characteristics of the Kongdian salient and overlying strata and approaches the tectonic evolution history of the Kongdian salient.The low salient began to gestate in the deposition period of the lower Kongd 1 formation,the salient had a large scale uplifting in the deposition period of the higher Kongd 1 formation,after the short deposition in the deposition period of Shahejie Formation,the Kongdian salient began to uplift again in the deposition period of Dongying Formation.Since the Neogene,the Kongdian salient occurred settlement again.So,in Cenozoic,the Kongdian salient experienced four stages: uplifting-subsiding-uplifting-subsiding.To the dynamic mechanism of the tectonic evolution of the Kongdian salient,firstly,this paper makes the comparative analysis of the settlement curve of the Kongdian salient,the settlement curve of the basement,the settlement of the extensional amount and the extensional rate.Combined with the morphological characteristics of the Kongdian salient and its tectonic framework characteristics,the authors preliminarily have an idea that the formation and evolution of the Kongdian salient are due to the extensional movement and the strike-slip movement of the Cangdong fault and the Xuxi fault,and also,have a certain relationship with the occurrence of the main fault(Cangdong fault).
引文
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[2]薛林福,孙晶,陈长伟,等.黄骅坳陷孔南地区孔一、孔二段构造沉积演化[J].沉积与特提斯地质,2008,28(2):62-68.
[3]刘学锋,卢顺容.黄骅拗陷构造运动程式探讨[J].西南石油学院学报,1995,17(2):8-14.
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[5]池英柳,赵文智.渤海湾盆地新生代走滑构造与油气聚集[J].石油学报,2000,21(2):14-21.
[6]大港油田石油地质编辑委员会.中国石油地质志(卷四):大港油田[M].北京:石油工业出版社,1987:32-109.
[7]高战武,徐杰,宋长青,等.华北沧东断裂的构造特征[J].地震地质,2000,22(4):395-404.
[8]胡才志,曾佐勋,任建业,等.黄骅坳陷新生代沉降中心迁移:数值模拟证据[J].大地构造与成矿学,2010,34(4):573-584.
[9]李大伟.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,2006:63-77.
[10]陆克政,漆家福,戴俊生.渤海湾新生代含油气盆地构造模式[M].北京:地质出版社,1997:144-196.
[11]任建业,廖前进,卢刚臣,等.黄骅坳陷构造变形格局与演化过程分析[J].大地构造与成矿学,2010,34(4):461-472.
[12]漆家福,张一伟,陆克政,等.渤海湾盆地新生代构造演化[J].石油大学学报:自然科学版,1995,19(增刊):1-6.
[13]李明刚,杨桥,张健.黄骅拗陷新生代构造样式及其演化[J].西南石油大学学报:自然科学版,2011,33(1):71-77.
[14]颜照坤,段润梅,李勇,等.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,2011,35(1):1-10.
[15]颜照坤,李勇,李奋生,等.沧东断层孔店期伸展、走滑作用的沉积响应[J].断块油气田,2012,19(2):158-162.
[2]薛林福,孙晶,陈长伟,等.黄骅坳陷孔南地区孔一、孔二段构造沉积演化[J].沉积与特提斯地质,2008,28(2):62-68.
[3]刘学锋,卢顺容.黄骅拗陷构造运动程式探讨[J].西南石油学院学报,1995,17(2):8-14.
[4]彭海艳.黄骅坳陷孔南地区孔店组盆地结构与盆地演化研究[D].成都:成都理工大学档案馆,2010.
[5]池英柳,赵文智.渤海湾盆地新生代走滑构造与油气聚集[J].石油学报,2000,21(2):14-21.
[6]大港油田石油地质编辑委员会.中国石油地质志(卷四):大港油田[M].北京:石油工业出版社,1987:32-109.
[7]高战武,徐杰,宋长青,等.华北沧东断裂的构造特征[J].地震地质,2000,22(4):395-404.
[8]胡才志,曾佐勋,任建业,等.黄骅坳陷新生代沉降中心迁移:数值模拟证据[J].大地构造与成矿学,2010,34(4):573-584.
[9]李大伟.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,2006:63-77.
[10]陆克政,漆家福,戴俊生.渤海湾新生代含油气盆地构造模式[M].北京:地质出版社,1997:144-196.
[11]任建业,廖前进,卢刚臣,等.黄骅坳陷构造变形格局与演化过程分析[J].大地构造与成矿学,2010,34(4):461-472.
[12]漆家福,张一伟,陆克政,等.渤海湾盆地新生代构造演化[J].石油大学学报:自然科学版,1995,19(增刊):1-6.
[13]李明刚,杨桥,张健.黄骅拗陷新生代构造样式及其演化[J].西南石油大学学报:自然科学版,2011,33(1):71-77.
[14]颜照坤,段润梅,李勇,等.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,2011,35(1):1-10.
[15]颜照坤,李勇,李奋生,等.沧东断层孔店期伸展、走滑作用的沉积响应[J].断块油气田,2012,19(2):158-162.
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