中国科学深钻选址地球物理调查与大别苏鲁岩石圈
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摘要
本文简要地讨论了大别 苏鲁超高压变质带大陆科学钻探选址新采集的地球物理调查剖面及相关地球物理成果。这些剖面以深反射地震及大地电磁测量为研究岩石圈构造的主要方法 ,结合地质资料和区域重磁平面图 ,分析大别 苏鲁地体的深部地质构造与岩石圈主要特征 ,以及大陆科学钻探靶区选择的地质地球物理依据。同时讨论了大陆科学钻探的靶区 (江苏东海县 )的地壳构造与地热研究结果 ,并将深度偏移地震剖面与先导孔岩心钻探结果进行了对比
Geophysical investigations have been carried out since 1996 for site-selection of Chinese Continental Scientific Drilling Project (CCSDP). The surveys mainly include deep seismic reflection and MT together with gravity and magnetic data, and the results are presented in this paper. An integrated interpretation of the geophysical data reveals crustal structures and main characteristics of the Dabie Sulu lithosphere. Good evidence for selecting the drilling site in Donghai County of southern Sulu is explained. Crustal structures and geothermal measurements around the drilling site are also discussed, with a comparison between the depth migrated seismic profile and core petrology at the CCSD pilot hole.
Geophysical investigations have been carried out since 1996 for site-selection of Chinese Continental Scientific Drilling Project (CCSDP). The surveys mainly include deep seismic reflection and MT together with gravity and magnetic data, and the results are presented in this paper. An integrated interpretation of the geophysical data reveals crustal structures and main characteristics of the Dabie Sulu lithosphere. Good evidence for selecting the drilling site in Donghai County of southern Sulu is explained. Crustal structures and geothermal measurements around the drilling site are also discussed, with a comparison between the depth migrated seismic profile and core petrology at the CCSD pilot hole.
引文
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YangWencai,JiaoFuguang.1987.Jointinversionforseismicreflectionvelocityimaging.ChineseJ.Geophys.,30(6):617～627(inChi nese).
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YangWencai.1991.Deepseismicreflectionforlithosphericinvestiga tions.ProgressinGeophysics,6(3):19～28(inChinese).
YangWencai.1997.CrustalstructureanddevelopmentofSuluUHPMTerraneinEastCentralChina.Episodes,20(2):100～104.
YangWencai.1997.Theoryandmethodsofgeophysicalinversions.Bei jing:GeologicalPublishingHouse.
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YangWencai.1998.CrustalstructureanddevelopmentofDabieUHPMTerraneinEastCentralChina.ContinentalDynamics,3(1～2):86～95.
YangWenai,ChenZhenyan,ChengGuojiuetal.1999.Geophysicalin vestigationsofnorthernSuluUHPMbelt(I):Deepseismicreflec tion.ChineseJ.Geophys.,42(1):57～70.
YangWencai,HuZhenyuan,ChengZhenyanetal.1999.LongprofileofgeophysicalinvestigationsfromTanchengtoLianshui,east cen tralChina,ChineseJ .Geophys.,42(2):311～222.
YangWencai,ChenZhenyan,ChengGuojiuetal.1999.G
索树田,桑隆康,韩郁著,游振东.1993.大别山前寒武纪变质地体岩石学与构造学.武汉:中国地质大学出版社.
许树桐,刘贻灿,江来利等.1994.大别山的构造格局和演化.北京:科学出版社,1～175.
汪集 ,胡圣标,杨文采等.2001.中国大陆科学钻探先导孔地热测量.科学通报,46(10):847～850.
王椿镛,张先康,陈步云等.1997.大别造山带地壳结构研究.中国科学(D),27(3):221～229.
杨巍然,王国灿,简平.2000.大别造山带构造年代学.武汉:中国地质大学出版社,1～140.
杨文采,焦富光.1987.用于反射地震波速成像的联合反演技术.地球物理学报,30(6):617～627
杨文采,程振炎,陈国九等.1999a.苏鲁超高压变质带北部地球物理调查(I):深反射地震.地球物理学报,42(1):41～52.
杨文采,胡振远,程振炎等.1999b.郯城涟水综合地球物理剖面.地球物理学报,42(2):206～217.
杨文采,方慧,程振炎等.1999c.苏鲁超高压变质带北部地球物理调查(II):非地震方法.地球物理学报,42(4):508～519.
杨文采,余长青.2001.从地球物理资料看大别苏鲁超高压变质带演化的运动学与动力学.地球物理学报,44(3):61～75.
CongB ,WangQ ,ZhaiMetal.1994.UHPmetamorphicrocksintheDabieSuluregion,China:theirformationandexhumation.IslandArc,3:135～150.
DongShuwen,WuXuenzhi,GaoRuietal.1998.OnthecrustalvelocitylevelsanddynamicsoftheDabieshanorogenicbelt.ChineseJGeo phys.,41(3):349～360(inChinesewithEnglishabstract).
ErnstWG ,MaruyamaS ,WallisS .1997.Buoyancy driven,rapidex humationofultrahigh pressuremetamorphosedcontinentalcrust.Proc.NationalAcademyofSciences,94:9532～9537.
KernH ,PoppT ,GaoShan,JinZhenmin.1998.PandSwavevelocityanddensityofRocksfromDabieUHPMbelt.ContinentalDyna mics,3(1～2):96～102.
LiouJG ,ZhangRY ,WangX ,EideEA ,ErnstWG ,MaruyamaS .1996.Metamorphismandtectonicsofhigh pressureandultrahighpressurebeltsintheDabieSuluregion.in:YinA ,&HarrisonTMeds.TheTectonicEvolutionofAsia,RubyVolumeVIII.Cam bridgeUniv.Press,300～344.
LiouJG ,MaruyamaS ,ErnstWG .1997.Seeingamountaininagrainofgarnet.Science,27(4):48～49.
MooneyWD ,MeissnerR .1992.Multi geneticregimeofcrustalreflec tivity:areviewofseismicreflectionprofiling,in:FountainDMetal,ed.ContinentalLowerCrust.ELSEVIER ,45～72.
PakiserLC ,MooneyWDetal.1989.GeophysicalFrameworkoftheContinentalUnitedStates.Geol.Soc.Am.Memoir,172.
Suo,Shutong,SangLongkang,HanYuzhu,YouZhendong.1993.ThepetrologyandtectonicsinDabiePrecambrianmetamorphicteranes,CentralChina.Wuhan:PressChinaUniv.Geosciences(inChi nese).
WangJiyang,HuShengbiao,YangWencai.2001.Geothermalmeasure mentsinthepre pilotholesoftheChinesecontinentalscientificdrilling.ChineseSci.Bull.,46(10):847～850(inChinesewithEnglishabstract).
WangChunyong,ZhangXiankang,ChenPuyuenetal.1997.CrustalstructureinDabieshanorogen.ScienceinChina(SeriesD),27(3):221～229(inChinise)
XuShutong,LiuYican,JiangLailietal.1994.TectonicframeworkandevolutronoftheDabieMountains.Beijing:SciencePress,1～175(inChinese).
XuZhiqin,YangWencai,ZhangZemingetal.1998.Scientificsignifi canceandsite selectionofthefirstChinesecontinentalscientificdeepdrillhole.ContinentalDynamics,3:1～13.
YangWencai,JiaoFuguang.1987.Jointinversionforseismicreflectionvelocityimaging.ChineseJ.Geophys.,30(6):617～627(inChi nese).
YangWencai,JiaoFuguang.1987.Jointinversiontechniquesforseismicvelocityimaging,ChineseJ .Geophys.,30(6):617～627.
YangWencai.1991.Deepseismicreflectionforlithosphericinvestiga tions.ProgressinGeophysics,6(3):19～28(inChinese).
YangWencai.1997.CrustalstructureanddevelopmentofSuluUHPMTerraneinEastCentralChina.Episodes,20(2):100～104.
YangWencai.1997.Theoryandmethodsofgeophysicalinversions.Bei jing:GeologicalPublishingHouse.
YangWencai.1998.IntroductiontoearthinteriorphysicsofPostPlateTectonics(inchinese),Beijing:GeologicalPublishingHouse.
YangWencai.1998.CrustalstructureanddevelopmentofDabieUHPMTerraneinEastCentralChina.ContinentalDynamics,3(1～2):86～95.
YangWenai,ChenZhenyan,ChengGuojiuetal.1999.Geophysicalin vestigationsofnorthernSuluUHPMbelt(I):Deepseismicreflec tion.ChineseJ.Geophys.,42(1):57～70.
YangWencai,HuZhenyuan,ChengZhenyanetal.1999.LongprofileofgeophysicalinvestigationsfromTanchengtoLianshui,east cen tralChina,ChineseJ .Geophys.,42(2):311～222.
YangWencai,ChenZhenyan,ChengGuojiuetal.1999.G
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