琼东南盆地基底特征及其构造演化
详细信息 本馆镜像全文    |  推荐本文 | | 获取馆网全文
摘要
本文通过处理琼东南盆地现有的重磁数据资料,得到琼东南盆地重磁特征,并采用三维Parker法进行重磁基底深度的反演,获得琼东南盆地的重力基底深度变化在1~11km之间,磁力基底深度变化在5~11km之间,结合地震剖面的重磁震联合反演结果和钻井资料推断琼东南盆地的基底岩性主要以酸性花岗岩和中性安山岩为主,少量陆相中生界地层.琼东南盆地的基底演化表现为早期主要与古特提斯洋的演化相关,晚期则与太平洋板块的俯冲密切相关.
On the basis of processing gravity and magnetic data in Qiongdongnan basin,the gravity and magnetic characteristics were obtained.Inverted calculation was conducted on the gravity and magnetic basement depth by using Three-dimensional Parker Process.The result shows that the gravity basement depth varies from 1km to 11km while the magnetic basement depth from 5km to 11km.The difference between gravity and magnetic basement depth may result from Mesozoic sedimentary found in the seismic profiles.Furthermore,by contrast with the seismic profiles and well data,the basement characteristics of Qiongdongnan basin were analyzed.The evolutionary history of the basement concluded as follows: Both the South China Block and Indo-China Block belong to the Gondwana super continent from their crystal basement comparison.The South China Block drift from the Gondwana continent from Carboniferous and ocean between the south china block and Indo-china block called the northern branch of Paleo-Tethys.After late Triassic,the two blocks collided and the Paleo-Tethys disappeared and gave rise to the uplift of the NW South China Sea.So that the Mesozoic marine sediments absent in this area.
引文
[1]于鹏,王家林,钟慧智等.琼东南盆地基底结构综合地球物理研究.中国海上油气(地质).1999,13(6):443-450.Yu Peng,Wang Jia-lin,Zhong Hui-zhi etal.ComprehensiveGeophysical Research on The Basement Structure inQiongdongnan Basin.China Offshore Oil and Gas(Geology),1999,13(6),443-450
    [2]宋海斌.珠江口盆地综合地球物理解释[博士论文]:同济大学,1992.Song Hai-bin.Integrated Geophysical Interpretations ofZhuJiang River Mouth Basin[Doctor’s thesis].TongJiUniversity,1992
    [3]李家彪.南海大陆边缘动力学:科学实验与研究进展.地球物理学报,2011,54(12):2993-3003,doi:10.3969/j.issn.0001-5733.2011.12.002.LI Jia-Biao.Dynamics of the continental margins of SouthChina Sea:scientific experiments and research progresses.Chinese J.Geophys.(in Chinese),2011,54(12):2993-3003,doi:10.3969/j.issn.0001-5733.2011.12.002.
    [4]李家彪,丁巍伟,高金耀,吴自银,张洁.南海新生代海底扩张的构造演化模式:来自高分辨率地球物理数据的新认识.地球物理学报,2011,54(12):3004-3015,doi:10.3969/j.issn.0001-5733.2011.12.003.LI Jia-Biao,DING Wei-Wei,GAO Jin-Yao,WU Zi-Yin,ZHANG Jie.Cenozoic evolution model of the sea-floorspreading in South China Sea:new constraints from highresolution geophysical data.Chinese J.Geophys.(in Chinese),2011,54(12):3004-3015,doi:10.3969/j.issn.0001-5733.2011.12.003.
    [5]孙金龙,徐辉龙,曹敬贺.台湾—吕宋会聚带的地壳运动特征及其动力学机制.地球物理学报,2011,54(12):3016-3025,doi:10.3969/j.issn.0001-5733.2011.12.004SUN Jin-Long,XU Hui-Long,CAO Jing-He.Crustalmovement and its dynamic mechanism of the Taiwan-Luzonconvergent zone.Chinese J.Geophys.(in Chinese),2011,54(12):3016-3025,doi:10.3969/j.issn.0001-5733.2011.12.004.
    [6]张洁,李家彪,李细兵,吴振利.渐进式扩张海盆亚丁湾与南海西南次海盆扩张演化特征的对比.地球物理学报,2011,54(12):3079-3088,doi:10.3969/j.issn.0001-5733.2011.12.009.ZHANG Jie,LI Jia-Biao,LI Xi-Bing,WU Zhen-Li.Acomparison on tectonic evolution characteristics of ridgepropagation between the Gulf of Aden and the SouthwesternSub-basin,South China Sea.Chinese J.Geophys.(inChinese),2011,54(12):3079-3088,doi:10.3969/j.issn.0001-5733.2011.12.009.
    [7]丁巍伟,李家彪.南海南部陆缘构造变形特征及伸展作用:来自两条973多道地震测线的证据.地球物理学报,2011,54(12):3038-3056,doi:10.3969/j.issn.0001-5733.2011.12.006DING Wei-Wei,LI Jia-Biao.Seismic stratigraphy,tectonicstructure and extension factors across the southern margin ofthe South China Sea:evidence from two regional multi-channelseismic profiles.Chinese J.Geophys.(in Chinese),2011,54(12):3038-3056,doi:10.3969/j.issn.0001-5733.2011.12.006.
    [8]丘学林,赵明辉,敖威,吕川川,郝天珧,游庆瑜,阮爱国,李家彪.南海西南次海盆与南沙地块的OBS探测和地壳结构.地球物理学报,2011,54(12):3117-3128,doi:10.3969/j.issn.0001-5733.2011.12.012.QIU Xue-Lin,ZHAO Ming-Hui,AO Wei,LU Chuan-Chuan,HAO Tian-Yao,YOU Qing-Yu,RUAN Ai-Guo,LI Jia-Biao.OBS survey and crustal structure of the Southwest Sub-basinand Nansha Block,South China Sea.Chinese J.Geophys.(inChinese),2011,54(12):3117-3128,doi:10.3969/j.issn.0001-5733.2011.12.012.
    [9]孙福利,王真理,郝天珧,李欣.南海南部深部结构的复杂构造地震成像.地球物理学报,2011,54(12):3210-3216,doi:10.3969/j.issn.0001-5733.2011.12.020.SUN Fu-Li,WANG Zhen-Li,HAO Tian-Yao,LI Xin.Seismic imaging of complicated deep structures in southernSouth China Sea.Chinese J.Geophys.(in Chinese),2011,54(12):3210-3216,doi:10.3969/j.issn.0001-5733.2011.12.020.Gao Qing-yu.The Shortcomings and Correction methods ofBouguer Gravity Anomaly Terrain Correction in MicrogravityExploration.Computing Techniques For Geophysical andGeochemical Exploration.1998,20(4),320-327.
    [10]任建业,雷超.莺歌海—琼东南盆地构造-地层格架及南海动力变形分区.地球物理学报,2011,54(12):3303-3314,doi:10.3969/j.issn.0001-5733.2011.12.028.REN Jian-Ye,LEI Chao.Tectonic stratigraphic framework ofYinggehai-Qiongdongnan Basins and its implication fortectonic province division in South China Sea.Chinese J.Geophys.(in Chinese),2011,54(12):3303-3314,doi:10.3969/j.issn.0001-5733.2011.12.028.
    [11]胡卫剑,江为为,郝天珧,徐亚,赵百民.南海前新生代残留盆地分布综合地球物理研究.地球物理学报,2011,54(12):3315-3324,doi:10.3969/j.issn.0001-5733.2011.12.029.HU Wei-Jian,JIANG Wei-Wei,HAO Tian-Yao,XU Ya,ZHAO Bai-Min.Integrated geophysical research on thedistribution of Pre-Cenozoic residual basins in the SouthChina Sea.Chinese J.Geophys.(in Chinese),2011,54(12):3315-3324,doi:10.3969/j.issn.0001-5733.2011.12.029.
    [12]黄海波,丘学林,徐辉龙,赵明辉,郝天姚,胥颐,李家彪.南海西沙地块岛屿地震观测和海陆联测初步结果.地球物理学报,2011,54(12):3161-3170,doi:10.3969/j.issn.0001-5733.2011.12.016.HUANG Hai-Bo,QIU Xue-Lin,XU Hui-Long,ZHAOMing-Hui,HAO Tian-Yao,XU Yi,LI Jia-Biao.Preliminaryresults of the earthquake observation and the onshore-offshore seismic experiments on Xisha Block.Chinese J.Geophys.(in Chinese),2011,54(12):3161-3170,doi:10.3969/j.issn.0001-5733.2011.12.016.
    [13]袁照令,李大明.关于磁异常化到地磁极问题的几点认识.物探化探计算技术,1998,20(3):284-287.Yuan Zhao-ling,Li Da-ming.Knowledge of ReducingMagnetic Anomaly to The Pole.Computing Techniques forGeophysical and Geochemical Exploration.1998,20(3):284-287.
    [13]王海燕,吴燕冈,焦新华.重磁异常界面反演中的计算方法.世界地质.2001,20(4):379-383.Wang Hai-yan,Wu Yan-gang,Jiao Xin-hua.The SolvingMethods of Inversion on Interface Due to Gravity or MagneticSource.World Geology,2001,20(4):379-383.
    [14]张伙带,谈晓冬.海南岛早白垩世红层磁组构和古地磁新结果.地球物理学报,2011,54(12):3246-3257,doi:10.3969/j.issn.0001-5733.2011.12.023.ZHANG Huo-Dai,TAN Xiao-Dong.New AMS andpaleomagnetic results of Early Cretaceous red beds fromHainan Island.Chinese J.Geophys.(in Chinese),2011,54(12):3246-3257,doi:10.3969/j.issn.0001-5733.2011.12.023.
    [15]吴招才,高金耀,李家彪,张涛,沈中延,杨春国.南海北部磁异常特征及对前新生代构造的指示.地球物理学报,2011,54(12):3292-3302,doi:10.3969/j.issn.0001-5733.2011.12.027WU Zhao-Cai,GAO Jin-Yao,LI Jia-Biao,ZHANG Tao,SHEN Zhong-Yan,YANG Chun-Guo.The characteristics ofmagnetic anomalies:Implications for Pre-Cenozoic tectonicsof the northern South China Sea.Chinese J.Geophys.(inChinese),2011,54(12):3292-3302,doi:10.3969/j.issn.0001-5733.2011.12.027
    [16]许德树,曾华霖.优化延拓技术及其在中国布格重力异常图处理上的应用.现代地质.2000,14(2),215-222.Xu De-shu,Zeng Hua-lin.Preferential Continuation andItsapplication to Bouguer Gravity Anomaly in China.Journalof Graduate School,China Unversity of Geosciences.2000,14(2),215-222.
    [17]邱燕,彭学超,李文成等.琼东南盆地陆坡区地质—地球物理特征分析.南海地质研究.2004,55-65.Qiu Yan,Peng Xue-chao,Li Wen-cheng et.al.Characteristicsof Geology and Geophysics of the Slop in QiongdongnanBasin,the South China Sea.Geological research of Southchina sea.2004,55-65.
    [18]于鹏,陈华根,王家林等.南海北部被动陆缘典型剖面的地质—物理模型及其综合解释.长春科技大学学报.2000,30(1),76-79.Yu Peng,Chen Hua-gen,Wang Jia-lin etal.Geological-Physical Model and Interpretation of The Typical ProfilesAcross The Passive Continental Margin of Northern SouthChina Sea.Journal of Changchun University of Science andTechnology.2000,30(1),76-79.
    [19]钟广见,吴世敏,冯常茂.南海北部中生代沉积模式.热带海洋学报.2011,30(1),43-48.Zhong Guangjian,Wu Shimin,Feng Changmao.Sedimentarymodel of Mesozoic in the Northern South China Sea.Journalof Tropical Oceanography.2011,30(1),43-48.
    [20]夏戡原,黄慈流.南海中生代特提斯期沉积盆地的发现与找寻中生代含油气盆地的前景.地学前缘,2000,7(3):227-238.Xia Zhan-yuan,Huang Ci-liu.The Discovery of Meso-TethysSedimentary Basins in The South China Sea and Their Oil andGas Perspective.Earth Science Frontiers.2000,7(3):227-238.
    [21]苏乃容,曾麟,李平鲁.珠江口盆地东部中生代凹陷地质特征.中国海上油气(地质),1995,9(4),228-336.Su Nai-rong,Zeng Lin,Li Ping-lu.Geological Features ofMesozoics Sags in The Eastern Part of Pearl River MouthBasin.China Offshore Oil and Gas.1995,9(4),228-336.
    [22]杨少坤,林鹤鸣,郝沪军.珠江口盆地东部中生界海相油气勘探前景.石油学报,2002,23(5),28-34.Yang Shao-kun,Lin He-Ming,Hao Hu-jun.Oil and GasExploration Prospect of Mesozoic in The Eastern Part ofPearl River Mouth Basin.Acta Petrolei Sinica.2002,23(5),28-34.
    [23]Kudrass H.R.,Wiedicke M.,Cepek P.,Kreuzer H.,MullerP..Mesozoic and Cainozoic rocks dredged from the SouthChina Sea(Reed Bank area)and Sulu Sea and theirsignificance for plate tectonic reconstructions.Marine andPetroleum Geology,1986(3):19-30.
    [24]陈汉宗,孙珍,周蒂.华南中生代岩相变化及海相地层时空分布.热带海洋学报.2003,22(2),74-82.Chen Han-zong,Sun Zhen,Zhou Di.Distributions ofMesozoic Lithofacies and Marine Strata in South China.Journal of Tropical Oceanography.2003,22(2),74-82.
    [25]钟大赉等.滇川西部古特提斯造山带[M].北京:科学出版社,1998,p231.Zhong Da-Lai.Paleo-Tethyan Orogenic Belt in WesternYunnan and Sichuan.Beijing:,Science Press,1998,page231.
    [26]郭令智,施央申,马瑞士.西太平洋中、新生代活动大陆边缘和岛弧构造的形成及演化.地质学报,1983,57(1),11-21.Guo Ling-zhi,Shi Yang-shen,Ma Rui-shi.On The Formationand Evolution of The Mesozoic-Cenozoic Active ContinentalMargin and Island Arc Tectonics of The Western PacificOcean.Acta Geologica Sinica.1983,57(1),11-21.
    [27]Hilde T W C,Uyeda S and Kroewke L.Evolution of theWestern Pacific and its margin.Tectonophysics,1977,38(1-2):145-165.

版权所有:© 2023 中国地质图书馆 中国地质调查局地学文献中心