|
南黄海盆地北部凹陷古近纪伸展断层转折褶皱作用
王胜利 卢华复 李刚 陈建文 陈国威
摘 要:南黄海北部坳陷为欧亚大陆东部边缘一系列新生代裂谷盆地中的一个.北部坳陷中的东北凹陷为向下逐段变缓、北倾的威海正断层上盘沿断层向北运动导致上盘断层转折褶皱作用而在上盘之上形成的凹陷.伸展断层转折褶皱作用发生过程中,东北凹陷同时接受沉积,形成生长地层,其详实记录了凹陷的发育过程.通过对生长地层的研究,南黄海北部坳陷东北凹陷总的伸展量为10 012 m,平均伸展速率为0.225 mm/a.这些数值同亚洲大陆东缘的渤海湾盆地、苏北盆地和东海盆地等古近纪伸展盆地内部单个凹陷的伸展速率具有相似性.
关键词:伸展断层;转折褶皱;生长地层;伸展速率;南黄海盆地
分类号:TE111.2 文献标识码:A
文章编号:0253-9985(2006)04-0495-08
Paleogene extensional fault-bend folding in north depression of southern Yellow Sea basin
Wang Shengli Lu Huafu Li Gang Chen Jianwen Chen Guowei
|
基金项目:南京大学科研启动费资助
作者简介:王胜利(1974-),男,讲师,地球科学构造地质学
作者单位:王胜利(南京大学,地球科学系,江苏,南京,210093)
卢华复(南京大学,地球科学系,江苏,南京,210093)
李刚(青岛海洋地质研究所,山东,青岛,266071)
陈建文(青岛海洋地质研究所,山东,青岛,266071)
陈国威(青岛海洋地质研究所,山东,青岛,266071)
参考文献:
[1]Allen M B,Macdonald D I M,Zhou Xun,et al.Early Cenozoic two-phase extension and late Cenozoic thermal subsistence and inversion of the Bohai basin,northern China[J].Marine and Petroleum Geology,1997,14(7/8):951-972
[2]郭令智,施央申,马瑞土.西太平洋中、新生代活动大陆边缘和岛弧构造的形成与演化[J].地质学报,1983,37(1):11~21 Guo Lingzhi,Shi Yangshen,Ma Ruishi.Formation and evolution of Meso-Cenozoic active continent margin and island arc tectonics in the western Pacific[J].Acta Geologica Sinica,1983,37(1):11-21
[3]Ren Jianye,Kensaku Tamakib,Li Sitian,et al.Late Mesozoic and Cenozoic rifting and its dynamic setting in Eastern China and adjacent areas[J].Tectonophysics,2002,344(3-4):175-205
[4]陈安定.苏北箕状断陷形成的动力学机制[J].高校地质学报,2001,7(4):408~418 Chen Anding.Dynamic mechanism of formation of Dustpan subsidence,Northern Jiangsu[J].Geological Journal of China Universities,2001,7(1):408-418
[5]钱基.苏北盆地油气形成与分布--与渤海湾盆地比较研究[J].石油学报,2001,22(3):12~16 Qian Ji.Oil and gas field formation and distribution of Subei basin-research compared[J].Acta Petrolei Sinica,2001,22(3):12-16
[6]郭令智,施央申,马瑞土.论西太平洋弧后盆地区的基本特征和形成机理及其大地构造意义[A].见:李春昱,郭令智.板块构造基本问题[C].北京:地震出版社,1986.455~463 Guo Lingzhi,Shi Yangshen,Ma Ruishi.On basic characteristics and formation mechanism of back arc basins in West Pacific Ocean and their implications on tectonics[A].In:Li Chunyu,Guo Lingzhi,et al,eds.Major contents on plate tectonics[C].Beijing:Earthquake Press,455-463
[7]Zhang K J.North and South China collision along the eastern and southern North China margins[J].Tectonophysics,1997,270(1-2):145-156
[8]Yin A,Nie S Y.Development of the Tan-Lu fault as a transform system during collision of the North and South China blocks,east-central China[J].Tectonics,1993,12:801-813
[9]Gilder S A,Leloup P H,Courtillot V,et al.Tectonic evolution of the Tancheng-Lujiang (Tan-Lu) fault via middle Triassic to Early Cenozoic paleomagnetic data[J].Journal of Geophysical Research,1999,104:15 365-15 390
[10]蔡乾忠.论鲁东地体的形成机制及其归属[J].海洋地质与第四纪地质,1989,9(1):5~16 Cai Ganzhong.Formation mechanism of Ludong (Eastern Shandong province) terrane and its actual subordinativeness[J].Marine Geology & Quaternary Geology,1989,9(1):5-16
[11]Cloos.Experimental analysis of Gulf Coast fracture patterns[J].AAPG Bull,1968,52:420-444
[12]Suppe.Principles of structural geology:Englewood Cliffs[J].New Jersey,Prentice-Hall,1985,537-550
[13]Shaw J,Hook S C,Sitohang E P.Extensional fault-bend folding and synrift deposition:an example from the central Sumatra basin,Indonesia[J].AAPG Bull,1997,81(3):367-379
[14]Xiao H,Suppe J.Origin of rollover[J].AAPG Bull,1992,76:509-525
[15]Suppe J.Geometry and kinematics of fault-bend folding[J].American Journal of science,1983,283:684-721
[16]Suppe J,George T C,Stephen C H.Rate of folding and faulting determined from growth strata[A].In:McClay K M.Thrust tectonics[C].Chapman Hall,New York,1992.105-112
[17]李乃胜.黄海三大盆地的构造演化[J].海洋与湖沼,1995,26(4):355~362 Li Naisheng.Tectonic evolution of three basins in the Yellow Sea[J].Oceanologia Et Limnologia Sinica,1995,26(4):355-362
|
|