南澳岛近海特殊地形的发现及其新构造学意义
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摘要
地形形态变异分析是新构造和古地震研究的一个重要方法和途径。粤东南澳岛附近内陆架平原上,发育一条无法用外力侵蚀解释的线型浅谷,而恰与南海滨海断裂带方向和位置基本吻合或接近,推测可能是地震断裂的地表形变造成的。这一发现,对进一步认识南海滨海断裂带东段活动性,以及粤东和台湾海峡的地震研究等都具有重要意义。
Topographical variation analysis is an important method and approach in studying neotectonics and paleoearthquakes.Recently,we discover a line-type shallow canyon developing on inner continental shelf plain beside the Nan'ao Island of east Guangdong Province.This shallow canyon,adjacent to the Binhai Fault Belt of South China Sea,could not have been formed by exogenic force erosion,but by surficial deformation of the earthquake fault.This discovery will give some suggestions and speculations about further researches on activity of the east segment of the Binhai Fault of South China Sea and on seismic activity in east Guangdong Province and Taiwan Strait.
Topographical variation analysis is an important method and approach in studying neotectonics and paleoearthquakes.Recently,we discover a line-type shallow canyon developing on inner continental shelf plain beside the Nan'ao Island of east Guangdong Province.This shallow canyon,adjacent to the Binhai Fault Belt of South China Sea,could not have been formed by exogenic force erosion,but by surficial deformation of the earthquake fault.This discovery will give some suggestions and speculations about further researches on activity of the east segment of the Binhai Fault of South China Sea and on seismic activity in east Guangdong Province and Taiwan Strait.
引文
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[30]黄宗理,张良弼.地球科学大辞典[M].北京:地质出版社,2006.[HUANG Zong.li,ZHANG Liang.bi.Dictionary of Earth Science[M].Beijing:Geological Publishing House,2006.]
[2]黄玉昆,邹和平,张珂.新构造学[M].广州:广东省地图出版社,1996.[HUANG Yu.kun,ZOU He.ping,ZHANG Ke.Neotectonics[M].Guangzhou:Map Publishing House of Guangdong Province,1996.]
[3]赵明辉,丘学林,夏戡原,等.南海东北部滨海断裂带的研究现状与展望[J].华南地震,2003,23(1):20.27.[ZHAO Ming.hui,QI U Xue.lin,XI A Kan.yuan,et al.The situation and prospect of the research onthe Binhai Fault of NE South China Sea[J].South China Journal of Seismology,2003,23(1):20.27.]
[4]刘以宣.华南沿海区域断裂构造分析[M].北京:地震出版社,1981.[LI U Yi.xuan.Structural Analysis on Regional Faults of South China Offshore[M].Beijing:Seismic Press,1981.]
[5]詹文欢,孙宗勋,唐诚,等.华南滨海断裂带及其对台湾海峡地震活动的控制作用[J].热带海洋学报,2004,23(4):19.24.[ZHAN Wen.huan,SUN Zong.xun,TANG Cheng,et al.Lit.toral active fault belt of South China andits control on seismic activity in Tai wan Strait[J].Journal of Tropical Oceanogra.phy,2004,23(4):19.24.]
[6]姚伯初,曾维军,陈艺中,等.南海北部陆缘东部的地壳结构[J].地球物理学报,1994,37(1):27.35.[YAO Bo.chu,ZENG Wei.jun,CHEN Yi.zhong,et al.The crustal structure in the eastern part of the Northern Margin of the South China Sea[J].Acta Geophysia Sinica,1994,37(1):27.35.]
[7]Yan P,Zhou D,Liu Z S.Acrustal structure profile across the northern continental margin of the South China Sea[J].Tec.tonophysics,2001,338:1.21.
[8]赵岩,张毅祥,姜绍仁,等.南海北部地球物理特征及地壳结构[J].热带海洋学报,1996,15(2):37.44.[ZHAO Yan,ZHANG Yi.xiang,JI ANG Shao.ren,et al.Geophysical charac.ter and crustal structure of the northern South China Sea[J].Journal of Tropical Oceanography,1996,15(2):37.44.]
[9]阎贫,刘海龄.南海北部陆缘地壳结构探测结果分析[J].热带海洋学报,2002,21(2):1.12.[YANPin,LI U Hai.ling.Analy.sis on deep crust sounding results in northern margin of South China Sea[J].Journal of Tropical Oceanography,2002,21(2):1.12.]
[10]刘光鼎.中国海域及邻域地球物理特征[M].北京:科学出版社,1992.[LI U Guang.ding.Geophysical Character of China Seas and Adjacent Region[M].Beijing:Science Press,1992.]
[11]许东禹,刘锡清,张训华,等.中国近海地质[M].北京:地质出版社,1997.[XU Dong.yu,LI U Xi.qing,ZHANG Xun.hua,et al.China Offshore Geology[M].Beijing:Geological Pub.lishing House,1997.]
[12]黄汲清,任纪舜,姜春发,等.中国大地构造基本轮廓[J].地质学报,1977,51(2):117.135.[HUANG Ji.qing,REN Ji.shun,JI ANG Chun.fa,et al.Basic geotectonic outline of Chi.na[J].Acta Geologica Sinica,1977,51(2):117.135.]
[13]王鸿祯.华南地区古大陆边缘构造史[C].武汉:武汉地质学院出版社,1986.[WANG Hong.zhen.Tectonic History of the Ancient Continental Margins of South China[C].Wuhan:Wuhan Geological College Press,1986.]
[14]马杏垣.中国岩石圈动力学纲要——1:400万中国及邻近海域岩石圈动力学图说明书[M].北京:地质出版社,1987.[MA Xing.yuan.Outline of Lithospheric Dynamics of China.The Explanation of Lithospheric Dynamics Map in China and Offshore Area(1:4000000)[M].Beijing:Geological Pub.lishing House,1987.]
[15]许靖华.中国南方大地构造的几个问题[J].地质科技与情报,1987,6(2):13.27.[XUJing.hua.Some problems on geotec.tonics in Southern China[J].Geological Science and Technol.ogy Information,1987,6(2):13.27.]
[16]陈颙.寸丹集——庆贺刘光鼎院士工作50周年学术论文集[C].北京:科学出版社,1998.[CHEN Yong.The Cundan Symposium.In Honor of Professor Liu Guangding[C].Bei.jing:Science Press,1998.]
[17]黄慈流.台湾海峡西部石油地质地球物理调查研究[M].北京:海洋出版社,1989.[HUANG Ci.liu.Research on Oil Ge.ological.Geophysical Exploration in Western Tai wan Strait[M].Beijing:China Ocean Press,1989.]
[18]赵明辉,丘学林,叶春明,等.南海东北部海陆深地震联测与滨海断裂带两侧地壳结构分析[J].地球物理学报,2004,47(5):845.852.[ZHAO Ming.hui,QI U Xue.lin,YE Chun.ming,et al.Analysis on deep crustal structure along the onshore.off.shore seismic profile across the Binhai Fault Zone in the northeastern part of South China[J].Chinese Journal of Geo.physics,2004,47(5):845.852.]
[19]梁宜希.广东省自然灾害图集[M].广州:广东省地图出版社,1996.[LI ANG Yi.xi.Atlas of natural hazards of Guangdong Province[M].Guangzhou:Map Publishing House of Guang.dong Province,1996.]
[20]詹文欢,钟建强,刘以宣.华南沿海地质灾害[M].北京:科学出版社,1996.[ZHAN Wen.huan,ZHONG Jian.qiang,LI U Yi.xuan.Geological Hazards of South China offshore[M].Beijing:Science Press,1996.]
[21]徐杰,张进,周本刚,等.关于南海北部滨海断裂带的研究[J].华南地震,2006,26(4):8.13.[XU Jie,ZHANG Jin,ZHOU Ben.gang,et al.A study on the Binhai fault zone in the northern South China Sea[J].South China Journal of Seismology,2006,26(4):8.13.]
[22]广州海洋地质调查局.南海地质研究[C].北京:地质出版社,1994(6):30.50.[Guangzhou Marine Geological Survey.Geo.logical Research of South China Sea[C].Beijing:Geological Publishing House,1994(6):30.50.]
[23]陈恩民,黄咏茵.华南十九次强震暨南海北部陆缘地震带概述[J].华南地震,1984,4(1):11.32.[CHEN En.min,HUANG Yong.yin.Nineteen strong earthquakes in South China and earthquake zone in northern margin of South China Sea[J].South China Journal of Seismology,1984,4(1):11.32.]
[24]薛佳谋.南澎大断裂的发育特征及其发震意义[J].华南地震,1986,6(3):20.28.[XUE Jia.mou.Development characteris.tics and earthquake mechanism of the Nanpeng Fault[J].South China Journal of Seismology,1986,6(3):20.28.]
[25]徐起浩,彭承光,李运贵.南澎列岛及其附近海域、岛屿的地震地质特征[J].华南地震,1986,6(3):29.36.[XU Qi.hao,PENG Cheng.guang,LI Yun.gui.Seismogeological character of Nanpeng Archipelago and adjacent waters and islands[J].South China Journal of Seismology,1986,6(3):29.36.]
[26]唐献民.台湾海峡发生7.3级地震[J].华南地震,1994,14(4):93.[TANG Xian.min.Ms7.3earthquake happened in the Tai wan Strait[J].South China Journal of Seismology,1994,14(4):93.]
[27]广州海洋地质调查局.南海地质研究[C].北京:地质出版社,2000(12):87.101.[Guangzhou Marine Geological Survey.Geological Research of South China Sea[C].Beijing:Geolog.ical Publishing House,2000(12):87.101.]
[28]冯志强,冯文科,薛万俊,等.南海北部地质灾害及海底工程地质条件评价[M].南京:河海大学出版社,1996.[FENG Zhi.qiang,FENG Wen.ke,XUE Wan.jun,et al.Evaluation of Marine Geologic Hazards and Engineering Geological Condi.tions in the Northern South China Sea[M].Nanjing:Hehai University Press,1996.]
[29]卢振恒.活断层和地震的地质研究[M].北京:地震出版社,1983.[LUZhen.heng.Geology Studying on Active Fault and Earthquake[M].Beijing:Seismic Press,1983.]
[30]黄宗理,张良弼.地球科学大辞典[M].北京:地质出版社,2006.[HUANG Zong.li,ZHANG Liang.bi.Dictionary of Earth Science[M].Beijing:Geological Publishing House,2006.]
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