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1、萬方數(shù)據(jù)古南海與南海海盆的構(gòu)造演化關(guān)系TherelationshipoftectonicevolutionbetweentheProto—SouthChinaSeaandtheSouthChinaSeaBasinAbstractneSouthChinaSeaislocatedatajunctureamongtheEurasia，theIndian-Australia，andthePacificplates，andthereforeinfluencedbytheTethysTectonicDomainonthewestandthePacificT
2、ectonicDomainontheeastat吐leSalTletime，whichleadstoitsdevelopmentunderacomplextectonicsetting．Inaddition，theeffectofitsresourcesandenvironmenthasalsobeenwidelyconcemedathomeandabroad．Intheseyears，researchesonlithosphericdeepstructure，superficialstructuraldeformation，magmatism
3、，sedimentarybasinevolution，seafloorspreadingera，andpaleomagnetismoftheSouthChinaSearegionhavemadesomeprogress，whichprovidesimportantconstraintsforunderstandingthetectonicevolutionoftheSouthChinaSearegionduringtheMeso—Cenozoic．TheProto—SouthChinaSeawasanimportanttectonicunitd
4、uringtheformationprocessoftheSouthChinaSea．However,previoustectonicevolutionmodelsoftheSouthChinaSeararelyconsidertheimpactoftheProto—SouthChinaSea,especiallyitssubductionandclosure．ThelocationandcharacteristicsoftheProto—SouthChinaSea，andtherecords，time，way,andmechanismofit
5、ssubductionprocess，whichareessentialforplatesreconstructionofthesoutheastAsia，arealsorarelystudied．InordertOaddresstheaboveissues，thispaperdiscussedthesubductionprocessoftheProto—SouthChinaSea，combinedwithsedimentaryformation，magmatism，relicsofoceaniccrustintheactivecontinen
6、talmarginoftheProto-SouthChinaSeaandstructuralanalysisofnorthwesternKalimantan．Furthermore，throughcomparingthesubductionprocessoftheProto—SouthChinaSeawiththeonset，spreadingandsubdutionoftheSouthChinaSea，weexploretherelationshipbetweentectonicevolutionoftheProto．SouthChinaSe
7、aandtheSouthChinaSea，therebyrevealingthedynamicsofCenozoicevolutionoftheSoutheastAsia．Wegainsomeinsightthroughthestudy：III萬方數(shù)據(jù)古南海與南海海盆的構(gòu)造演化關(guān)系1．TheProto-SouthChinaSeawasalateMesozoiccontinentalmarginalseawhichdevelopedinthetransitionpartoftheTethysOceanandPaleo-PacificOcean．T
8、hrouthanalysisofophiolitemelange，magmatiteandsedimentaryformationofthenorth
