东海陆架盆地伸展率和压缩率及构造跃迁
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摘要
东海陆架盆地位于欧亚板块的东南缘和西太平洋活动大陆边缘,本文选取了东海陆架盆地主要凹陷的17条地震剖面,采用平衡剖面技术,计算了主要凹陷新生代不同演化阶段的伸展率和压缩率。分析表明,东海陆架盆地构造演化总体由西向东跃迁。晚白垩世至晚古新世东海陆架盆地裂陷中心在西部坳陷带,始新世东迁至东部坳陷带,上新世东迁至东海陆架盆地东侧的冲绳海槽盆地。古新世中后期东海陆架盆地西部坳陷带北侧昆山凹陷反转;中新世东部坳陷带的西湖凹陷反转。东海陆架盆地西部坳陷带与东部坳陷带构造演化不同,证明了东海陆架盆地的东西分带。西部坳陷带北部的长江坳陷和南部的台北坳陷构造演化不同,东部坳陷带北部的西湖凹陷和南部的钓北凹陷构造演化不同,证明了东海陆架盆地的南北分块。
The East China Sea shelf basin lies in the southeast margin of the Eurasian plate and the edge of the western Pacific plate. This paper selects 17 balanced cross-sections from principal Sags in the East China Sea shelf basin. The amount of extensional and compressive ratios from principal sags in Cenozoic have been obtained by means of the technique of balanced cross-sections. Extensional and compressive ratios analyzing showed that the tectonic evolution jumped from west to east in the East China Sea shelf basin. The center of rifting expansion was in the western zone from Late Cretaceous to Late Paleocene, which jumped to eastern zone in the Eocene and to the Okinawa trough basin in the Pliocene. The north of the western zone reversed in the middle and Late Paleocene, and Xihu sag of eastern zone reversed in Miocene. The difference of the east depression belt and the west depression belt in structural evolution proved that the East China Sea shelf basin is east and west sub-zone. The difference of Changjiang depression in the north of the west depression belt and Diaobei depression in the south in structural evolution and the difference of Xihu sag in the north of the east depression belt and Taibei depression in the south in structural evolution proved that the East China Sea shelf basin is north and south sub-zone.
The East China Sea shelf basin lies in the southeast margin of the Eurasian plate and the edge of the western Pacific plate. This paper selects 17 balanced cross-sections from principal Sags in the East China Sea shelf basin. The amount of extensional and compressive ratios from principal sags in Cenozoic have been obtained by means of the technique of balanced cross-sections. Extensional and compressive ratios analyzing showed that the tectonic evolution jumped from west to east in the East China Sea shelf basin. The center of rifting expansion was in the western zone from Late Cretaceous to Late Paleocene, which jumped to eastern zone in the Eocene and to the Okinawa trough basin in the Pliocene. The north of the western zone reversed in the middle and Late Paleocene, and Xihu sag of eastern zone reversed in Miocene. The difference of the east depression belt and the west depression belt in structural evolution proved that the East China Sea shelf basin is east and west sub-zone. The difference of Changjiang depression in the north of the west depression belt and Diaobei depression in the south in structural evolution and the difference of Xihu sag in the north of the east depression belt and Taibei depression in the south in structural evolution proved that the East China Sea shelf basin is north and south sub-zone.
引文
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李三忠,岳云福,高振平,郝德峰,单业华,许淑梅.2003． 伸展盆地区断裂构造特征与成因.华南地质与矿产,(2) :1-8． Li Sanzhong,Yue Yunfu,Gao Zhenping,Hao Defeng,Shan Yehua and Xu Shumei.2003． Features and genesis of faults in extensional basins.Geology and Mineral Resources of South China,(2) :1-8．
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王毅.1999． 丽水、椒江凹陷伸展运动与油气形成的关系.石油与天然气地质,20(4) :316-320． Wang Yi.1999． Relation between extensional movement and formation of oil-gas pools in Lishui-Jiaojiang sag.Oil & Gas Geology,20(4) :316-320．
王毅,姜亮,杨伟利.2000． 丽水-椒江凹陷断裂构造运动学.地质科学,35(4) :441-448． Wang Yi,Jiang Liang and Yang Liwei.2000． Kinematical analysison on faults in the Lishui-Jiaojiang sag.Chinese Journal of Geology(Scientia Geologica Sinica),35(4) :441-448．
武法东,周平.2000． 东海陆架盆地西湖凹陷第三系层序地层与沉积体系分析.北京:地质出版社.72-83． Wu Fadong and Zhou Ping.2000． Tertiary Stratigarphical Sequence and Sedimentary System Analysis.Beijing:Geological Publishing House.72-83．
肖国林,周才凡.1995． 论东海陆架盆地玉泉运动.青岛海洋大学学报,25(4) :488-494． Xiao Guolin and Zhou Caifan.1995． Discussion on the Yuquan movements in the East China Sea shelf basin.Journal of Ocean University of Qingdao,25(4) :488-494．
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许浚远,张凌云.2000b.西北太平洋边缘新生代盐地成因(中):连锁右行拉分裂谷系统.石油与天然气地质,21(3) :185-190． Xu Junyuan and Zhang Lingyun.2000b.Genesis of Cenozoic basins in northwest Pacific ocean margin(2) :Linked dextral pullapart basin system.Oil & Gas Geology,21(3) :185-190．
许浚远,张凌云.2000c.西北太平洋边缘新生代盆地成因(下):后裂谷期构造演化.石油与天然气地质,21(4) :287-292． Xu Junyuan and Zhang Lingyun.2000c.Genesls of Cenozoic basins in northwest Pacific ocean margin(3) :Tectonic evolution of post rifling period.Oil & Gas Geology,21(4) :287-292．
许薇龄,乐俊英.1988． 东海的构造运动及演化.海洋地质与第四纪地质,8(1) :9-21． Xu Weiling and Le Junying.1988． Tectonic movement and evolution of the East China Sea.Marine Geology & Quaternary Geology,8(1) :9-21．
闫桂京,肖国林,陈建文,李刚,龚建明.2003． 基隆凹陷油气资源潜力.海洋地质动态,19(8) :24-26． Yan Guijing,Xiao Guolin,Chen Jianwen,Li Gang and Gong Jianming.2003． Potentials of petroleum resources in Jilong depression.Marine Geology Letters,19(8) :24-26．
杨丽娜,王丽顺.2007． 西湖凹陷保俶斜坡断裂特征及与油气成藏的关系.海洋石油,27(1) :19-24． Yang Lina and Wang Lishun.2007． The effect of rupture on oil accumulation in Baochu slope of Xihu sag.Offshore Oil,27(1) :19-24．
杨文达.2004． 冲绳海槽现代张裂的地球物理特征.海洋地质与第四纪地质,24(3) :77-82． Yang Wenda.2004． Modern geophysical characteristics of tectonic tension fault in the Okinawa trough.Marine Geology & Quaternary Geology,24(3) :77-82．
臧绍先,宁杰远.2002． 菲律宾海板块与欧亚板块的相互作用及其对东亚构造运动的影响.地球物理学报,45(2) :188-197． Zang Shaoxian and Ning Jieyuan.2002． Interaction between Philippine sea plate(PH)and Eurasia(EU)plate and its influence on the movement eastern Asia.Chinese Journal of Geophysics,45(2) :188-197．
张敏强,钟志宏,夏斌,孙珍.2005． 东海西湖凹陷中南部晚中新世构造反转与油气运聚.中国海上油气(地质),17(2) :73-79． Zhang Minqiang,Zhong Zhihong,Xia Bin and Sun Zhen.2005． Late Miocene tectonic inversion and hydrocarbon migration and accumulation in central and southern Xihu sag,East China Sea.China Offshore Oil and Gas(Geology),17(2) :73-79．
张胜利,夏斌.2005． 丽水-椒江凹陷构造演化特征与油气聚集.天然气地球科学,16(3) :324-328． Zhang Shengli and Xia Bin.2005． Characters of tectonic evolution of the Lishui-Jiaojiang sag and oil accumulation.Natural Gas Geoscience,16(3) :324-328．
赵金海.2004． 东海中、新生代盆地成因机制和演化(上).海洋石油,24(4) :6-14． Zhao Jinhai.2004． The forming factors and evolvement of the Mesozoic and Cenozoic Basin in the East China Sea(1) .Offshore Oil,24(4) :6-14．
郑求根,周祖翼,蔡立国,陆永德,曹清古.2005． 东海陆架盆地中新生代构造背景及演化.石油与天然气地质,26(2) :197-201． Zheng Qiugeng,Zhou Zuyi,Cai Liguo,Lu Yongde and Cao Qinggu.2005． Meso-Cenozoic tectonic setting and evolution of East China Sea shelf basin.Oil &Gas Geology,26(2) :197-201．
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何将启,杨风丽.2003． 东海西湖凹陷新生代盆地原型分析.海洋石油,23(增刊):13-20． He Jiangqi and Yang Fengli.2003． Prototype basin analysis in Cenozoic for Xihu say,East China Sea.Offshore Oil,23(增刊):13-20．
李三忠,岳云福,高振平,郝德峰,单业华,许淑梅.2003． 伸展盆地区断裂构造特征与成因.华南地质与矿产,(2) :1-8． Li Sanzhong,Yue Yunfu,Gao Zhenping,Hao Defeng,Shan Yehua and Xu Shumei.2003． Features and genesis of faults in extensional basins.Geology and Mineral Resources of South China,(2) :1-8．
刘卫红,林畅松,郭泽清,刘景彦.2009． 东海陆架盆地西湖凹陷新生代反转构造样式及其形成机制初探.地质科学,44(1) :74-87． Liu Weihong,Lin Changsong,Guo Zeqing and Liu Jingyan.2009． Styles of inversion structures and their mechanisms of the Cenozoic Xihu sag,East China Sea shelf basin.Chinese Journal of Geology,44(1) :74-87．
陶瑞明.1994． 从西太平洋板块构造探讨东海陆架盆地形成机制和类型划分.中国海上油气,8(1) :14-20． Tao Ruiming.1994． Discussion on basin formation mechanism and basin types in East China Sea continental shelf basin based on west pacific plate tectonics.China Offihore Oil and Gas(Geology),8(1) :14-20．
王锋,朱文斌,胡德昭,徐鸣洁,赵忠岩.2005． 东海盆地长江坳陷新生代反转构造研究.大地构造与成矿学,29(2) :176-181． Wang Feng,Zhu Wenbin,Hu Dezhao,Xu Mingjie and Zhao Zhongyan.2005． Cenozoic inversion tectonics in Changjiang depression of East China Sea Basin.Geotectonica et Metallogenia,29(2) :176-181．
王国纯.1995． 中国近海盆地的正反转构造及其石油地质意义.中国海上油气(地质),9(1) :33-40． Wang Guochun.1995． Positive inversion structures and their significance to petroleum geology in China offshore basins.China Offshore Oil and Gas(Geology),9(1) :33-40．
王毅.1999． 丽水、椒江凹陷伸展运动与油气形成的关系.石油与天然气地质,20(4) :316-320． Wang Yi.1999． Relation between extensional movement and formation of oil-gas pools in Lishui-Jiaojiang sag.Oil & Gas Geology,20(4) :316-320．
王毅,姜亮,杨伟利.2000． 丽水-椒江凹陷断裂构造运动学.地质科学,35(4) :441-448． Wang Yi,Jiang Liang and Yang Liwei.2000． Kinematical analysison on faults in the Lishui-Jiaojiang sag.Chinese Journal of Geology(Scientia Geologica Sinica),35(4) :441-448．
武法东,周平.2000． 东海陆架盆地西湖凹陷第三系层序地层与沉积体系分析.北京:地质出版社.72-83． Wu Fadong and Zhou Ping.2000． Tertiary Stratigarphical Sequence and Sedimentary System Analysis.Beijing:Geological Publishing House.72-83．
肖国林,周才凡.1995． 论东海陆架盆地玉泉运动.青岛海洋大学学报,25(4) :488-494． Xiao Guolin and Zhou Caifan.1995． Discussion on the Yuquan movements in the East China Sea shelf basin.Journal of Ocean University of Qingdao,25(4) :488-494．
许浚远,张凌云.2000a.西北太平洋边缘新生代盒地成因(上):成盆机制述评.石油与天然气地质,21(2) :93-98． Xu Junyuan and Zhang Lingyun.2000a.Genesis of Cenozoic basins in northwest Pacific ocean margin(1) :Comments on basinforming mechanism.Oil &Gas Geology,21(2) :93-98．
许浚远,张凌云.2000b.西北太平洋边缘新生代盐地成因(中):连锁右行拉分裂谷系统.石油与天然气地质,21(3) :185-190． Xu Junyuan and Zhang Lingyun.2000b.Genesis of Cenozoic basins in northwest Pacific ocean margin(2) :Linked dextral pullapart basin system.Oil & Gas Geology,21(3) :185-190．
许浚远,张凌云.2000c.西北太平洋边缘新生代盆地成因(下):后裂谷期构造演化.石油与天然气地质,21(4) :287-292． Xu Junyuan and Zhang Lingyun.2000c.Genesls of Cenozoic basins in northwest Pacific ocean margin(3) :Tectonic evolution of post rifling period.Oil & Gas Geology,21(4) :287-292．
许薇龄,乐俊英.1988． 东海的构造运动及演化.海洋地质与第四纪地质,8(1) :9-21． Xu Weiling and Le Junying.1988． Tectonic movement and evolution of the East China Sea.Marine Geology & Quaternary Geology,8(1) :9-21．
闫桂京,肖国林,陈建文,李刚,龚建明.2003． 基隆凹陷油气资源潜力.海洋地质动态,19(8) :24-26． Yan Guijing,Xiao Guolin,Chen Jianwen,Li Gang and Gong Jianming.2003． Potentials of petroleum resources in Jilong depression.Marine Geology Letters,19(8) :24-26．
杨丽娜,王丽顺.2007． 西湖凹陷保俶斜坡断裂特征及与油气成藏的关系.海洋石油,27(1) :19-24． Yang Lina and Wang Lishun.2007． The effect of rupture on oil accumulation in Baochu slope of Xihu sag.Offshore Oil,27(1) :19-24．
杨文达.2004． 冲绳海槽现代张裂的地球物理特征.海洋地质与第四纪地质,24(3) :77-82． Yang Wenda.2004． Modern geophysical characteristics of tectonic tension fault in the Okinawa trough.Marine Geology & Quaternary Geology,24(3) :77-82．
臧绍先,宁杰远.2002． 菲律宾海板块与欧亚板块的相互作用及其对东亚构造运动的影响.地球物理学报,45(2) :188-197． Zang Shaoxian and Ning Jieyuan.2002． Interaction between Philippine sea plate(PH)and Eurasia(EU)plate and its influence on the movement eastern Asia.Chinese Journal of Geophysics,45(2) :188-197．
张敏强,钟志宏,夏斌,孙珍.2005． 东海西湖凹陷中南部晚中新世构造反转与油气运聚.中国海上油气(地质),17(2) :73-79． Zhang Minqiang,Zhong Zhihong,Xia Bin and Sun Zhen.2005． Late Miocene tectonic inversion and hydrocarbon migration and accumulation in central and southern Xihu sag,East China Sea.China Offshore Oil and Gas(Geology),17(2) :73-79．
张胜利,夏斌.2005． 丽水-椒江凹陷构造演化特征与油气聚集.天然气地球科学,16(3) :324-328． Zhang Shengli and Xia Bin.2005． Characters of tectonic evolution of the Lishui-Jiaojiang sag and oil accumulation.Natural Gas Geoscience,16(3) :324-328．
赵金海.2004． 东海中、新生代盆地成因机制和演化(上).海洋石油,24(4) :6-14． Zhao Jinhai.2004． The forming factors and evolvement of the Mesozoic and Cenozoic Basin in the East China Sea(1) .Offshore Oil,24(4) :6-14．
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