简介：Inthispaper,thecharacteristicsofeasternAsianduststormareexaminedwithemphasisonthesatellitemeasurementsofaerosolopticalthickness.Thereflectivityofsolarradiationfromtheearth’satmospheredependsontheopticalthickness.Thesatellitemeasurementofradianceofsunlight,scatteredbytheearthanditsatmosphere,isusedtoderivethepropertiesofaerosolonoceanicsurfaces.Thispaperinvolvesthefollowing:(1)investigationofthemeasurementofduststormovertheoceanicsurfacebyGMSsatellite;(2)investigationofthemeasurementofduststormoverthelandsurfacebyground-basedinstrumentssuchasactinometer,lidar,etc.;(3)forcomparison,derivinganatmosphericaerosolsizedistributionovertheoceanicsurfaceofcalmweatherthroughmeasurementsofNOAAsatellite;and(4)theweatherprocessanditsmassloadofeasternAsianduststorm.

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简介：ThebasaltterrainoftheNeogeneHuangguoshanand.GuiwuFormationsofeasternAnhuiontheeastsideoftheTancheng-LujiangfaultbeltisoneofafewCenozoicbasaltterrainsineasternChinaforwhichdetailedgeochemicalstudyhasnotbeenconducted.Thispaperreportstheabundancesofmajorelementsandmorethan20traceelements(includingREE)of22samplesandtheNd,SrandPbisotopiccompositionsof11samplesfromtheeasternAnhuibasaltterrain,thusmoreorlesssystematicallyrevealingthegeochemicalcharacteristicsofthiscontinentalbasaltsuite.Thepaperdiscussestheoriginofthebasaltsuiteandthecharacterandprocessofitsmantlesource.ThebasaltsuitewasderivedfromaheterogeneouscontinentallithosphericmantlewithendmemberscharacteristicoftheEMI-typeoceanicbasaltmantle,whichwasaffectedbymantlemetasomatism(orenrichmentoftraceelements)andwascharacterizedbyamulti-stageevolutionunderopenconditions.

简介：Principalthesesoffocustectoniesandmetallogenyofactiveregion(unlinearmetallogeny)arecloseinspace-genetieaspectes,ageandparticularyinorecontent(tablel).MetallogcnicanalysisofdataondcpositdistributioninthcfoCus8tructurcs(structurcsofCcntraltypc-SCT)andinthcirconccntriczonc8,conductcdonthebaseofSCTidcaa

简介：ＩＭＰＬＩＣＡＴＩＯＮＯＦＣＬＩＭＡＴＥＣＨＡＮＧＥＦＯＲＡＧＲＩＣＵＬＴＵＲＡＬＰＲＯＤＵＣＴＩＯＮＩＮＥＡＳＴＥＲＮＡＲＥＡＳＯＦＣＨＩＮＡＷａｎｇＦｕｔａｎｇ（王馥棠）ＩＭＰＬＩＣＡＴＩＯＮＯＦＣＬＩＭＡＴＥＣＨＡＮＧＥＦＯＲＡＧＲＩＣＵＬＴＵ...

简介：Inthispaper,weuseatwo-dimensionalprimaryequationmodelwhichcontains(1)heatingofradiation,(2)heatingofcondensation,and(3)transfersofsensibleandlatentheatbetweenairandtheunderlyingsurface.ToinvestigatethecausesfortheformationoftheeasternNorthPacificsum-mermonsoon,thedataat110°Wareobtainedandwindsatunderlyingsurfaceandat200hPaaremodifiedundertheconditions(1)removingtopographyand(2)changingmeridionalseasurfacetem-perature(SST)gradient.Inthenumericalmodification,wefindthatbyremovingthetopography,thecenter’slocationoftheeasternNorthPacificsummermonsoondoesnotchange,buttheintensityofthesummermonsoonisweakened.AlsotheonsetofthesummermonsoonisdelayedtotheendofMay.Thetropicaleast-erlyjetisweakenedobviously,evenchangestowesterlywind.Ontheotherhand,wefindthattheSSTgradientalong110°WinfluencestheeasternNorthPacificsummermonsoondistinctly.IftheSSTgradientisdecreased,thecenterofthesouthwestwindnear12°Ndoesnotexistanymore.theintensityofthewholesummermonsoonbecomesveryweakandthecirculationpatternofthesummermonsoonalsochangesalot.Finally,weindicatethatbothtopographyandmeridionalSSTgradientplayimportantrolesintheoccurrenceoftheeasternNorthPacificsummermonsoon.ThemeridionalSSTgradientisthemostimportantfactorthattriggersthesummermonsoonandthetopographyalong110°Winfluencestheintensityandtheonsettimeofthesummermonsoontheremostly.

简介：<正>EASTERNASIA-WESTERNPACIFICCRUSTOBODYANDTECTONICSWeiZhoulin,ChenGuanghao-FanWeiming,LinGe,SunShaohua,PenWenlan,LiZhi’anandQinQingxiang(ChangshaInstituteofGeotectonics,AcademiaSinica,Changsha,410013,China)Crustobody,evolution-movement,EasternAsia-WesternPacificThere’re4typesofcrustobodiesandtotal6.Eachhasitsownwayofevolu-tionandmovement.Theircombinationandseparationdepictacomplexhistoryofgeotectonics.

简介：荧光刺激和可溶的有机物(WSOC)样品从20提取了的46水的平均分子的重量在东方中国玷污类型被决定。它被发现所有样品分享类似的光谱学。一种好线性关系不过在350～450nm的范围在全部的器官的碳和刺激之间存在器官的碳的内容和样品的pH在一个宽范围变化。在相对刺激紧张和WSOC和FA的平均分子的重量之间的重要关联都没被发现，但是部分关联为WSOC样品作为控制因素与pH变得重要。相对刺激紧张显示出在学习区域从南方增加到北方的一个一般趋势。pH价值可能在调整起一个重要作用荧光灯WSOC的空间变化。

简介：Onthebasisofaone-by-onelatitude-longitudegridthree-dimensionalseismicvelocitymodel,thecrustalPwavevelocitystructureineasternChina(105-125°Eand18-41°N)isobtained,andasetofgeothermsforeachgridisestablishedforP-TcorrectiononP-wavevelocities.Theaveragedepthsofsub-crustallayersandtheiraverageP-wavevelocitiesof18tectonicunitsineasternChinaareexhibited.Ourresultpresentsa32-34kmthickcrustbeneatheasternChina,whichisthinnerthanpreviousstudies,withanaveragevelocityof6.54km/s,correspondingtoa5kg/m3variationincrustalmeandensity.ThethickerupperbutthinnermiddleandlowercrustresultsinaloweraverageseismicvelocityofeasternChina.AnintermediatecrustalcompositionwithaSiO2contentof59.7wt%hasbeenestimated.However,thereexistsasignificantlateralvariationinthecrustalstructuresamongthetectonicunitsofeasternChina.ThestructureandcompositionfeaturesofsomeregionsineasternChinaindicatethatextensionhasplayedanimportantroleinthecontinentalcrustevolutionofeasternChina.

简介：ＴｈｅＣｅｎｔｒａｌＭｏｕｎｔａｉｎＲａｎｇｅｓｏｆＣｈｉｎａ，ｗｈｉｃｈｏｃｕｐｙｔｈｅｃｅｎｔｒａｌｐａｒｔｏｆＣｈｉｎａ，ｃｏｍｐｒｉｓｅｍａｉｎｌｙｔｈｅＤａｂｉｅＭｏｕｎ－ｔａｉｎｓｉｎｔｈｅｅａｓｔ，ｔｈｅＱｉｎｌｉｎｇＭｏｕｎｔａｉｎｓ...

简介：Ithasbeenshownfrompetrologic,geochemical,traceelementandREEevidencethatthegran-iteintrusionsatSikongshan,AnhuiProvince,canbeassignedtotwodistincttypeswhichareradicallydifferentinageandorigin.ThePrecambriangneissicgranitedresultedfromremeltingofoldcontinentalcrustwhiletheMesozoicgraniteswerederived,alsothroughremelting,fromlow-Rb/Srrocksatgreaterdepths.GranitemassesatTiantangzhaiandZhoujiawanintheDabieshanMountainsarealsodicussed.

简介：Accordingtotectono-stratigraphicaldivisionprinciple,differentunitsinKangguertageHuangshancollisionzone,EasternTianshan,aredividedintoorderanddisordertwotypesofstratum-rockassociations,whichbelongtotwokindsofdifferenttectono-volcanicactivitybelts.Thecollisionororenyandductileshearzonehaveastrongspace-timecoupling.Basedontheislandarcbearingvolcanicrockonbothsidesofthecollisionzone,timeofore-formingandrock-forming,characteristicsofcollisiongranit,geochemicalprovince,specialmultistagecollisionorogenyandintracontinentalorogenybasin-formingdevelopedfeatureshavebeenfound.Goldandcopperdeposits,withtherelationtothecollisionorogeny,aredividedintosevengenetictypes.Thetenmetallogeniczonesareclassifiedintotwokindsofore-formingsystemofpaleo-continentalmargin.Metallogenesisofgolddepositscanbeclassifiedintofivestages.Goldandcopperdepositsaredistributedinbeltswiththerelationtothedevelopmentofthecollisionorogeny.Thedistributionofmainlargescalecopperdepositsinthenorthpartofthecollisionzoneandmostlarge-middlescalegolddepositsinthesouthpartofthecollisionzonecandirecttheprospectingforgoldandcopperdeposits.Theactualtargetsareputforward.

简介：Basedonthedataaboutsedimentaryfaciesandpalaeogeography,thispaperprovestheexistenceoftheCathaysia(thepartineasternZhejiangandnorthernFujian,thesamehereinafter)andmakesasurveyaboutitspalaeogeographysinceSinianPeriod.ItalsodiscussestheevolutionofthetectonicenvironmentofthisregionduringPhanerozoicEon,accordingtothefeaturessuchasthecompositionofsandstonesderivedfromtheoldlandandalkalinityofvolcanicrocksandsoon.ContinuousupliftingwasmaintainedinCathaysiaduringSinianPeriodandPaleozoicEra,typicallywithnosignificanttectono-magmaticactivitybeingobserved.ItsnorthwesternmarginbelongstothetypeofpassivecontinentalmarginduringthemiddleandlatephaseofCaledonianCycle.ItshowedthecharacteristicsofasteadycontinentinlatePaleozoicera,butwasturnedquicklyintoanactivecontinentalmarginafterthemiddleJurassicperiod.

简介：ThecontinentalmarginalextensionconceptdevelopedbyChinesegeologistsrecentlymaybeappliedtotheexplanationabouttheCenozoicextensionanddivergentmovementoftheEasternAsiancontinentalmargin.Fromtheviewpointofcontinentalmarginalextension,thispaperdiscussesthedeeptectonothermalmechanismofthetectonicextensionoftheEasternAsiancontinentalmargin.TheEasternAsiancontinentalmarginisanextensionalbeltwithintensivemagmatismandstructuraldeformation,geophysicallycharacterizedbycontinualearthquakesandobviousgeothermalanomaly.SeismictomographicalresultsabouttheEasternAsiancontinentalmarginimplythatthePacificPlateissubductedtowardtheEurasianPlateatalowangleandthedivingPacificPlateliesonthesurfaceofthe670-kmphasetransitionalzone.Weinterpretthisfeaturetoberesultedfromretrogressivesubductionfollowedbycontinentalmarginalextension.Ourthermalmodelingandgeodynamicalcomputationresultssuggestthattheretrogressivesubductionoccurredatabout76Maandthewithdrawalofthetrenchservedtosupplythevolumeforthecontinentalgrowth,whichledtotheformationofthegrowingfrontoftheEasternAsiancontinentalmargin.ThegrowthwidthoftheEasternAsiancontinentalmarginisabout700km.

简介：Thebasin-and-rangeareaineasternNorthChinaisknownforfrequentoccurrenceofearthquakes,theirgreatmagnitudesandheavylossestherebyincurred.Seismicstudiesinthepastusuallyemphasizedtheintersections,inflexionsandbranchesofthefaults.However,theintensitiesofmanygreatearthquakesinthisareadonotshowlineardistribution,andtheepicentersarehorizontallydispersedatcertaindepthsinsteadofalongthestrikeoffaults.Basedonthesub-mantleplumestudiesmadebyauthorsinthepastdecade,itisthoughtthatthereexistsanupliftedsub-mantleplumeunderthefaultdepressionareainNorthChina.Theupliftingandintrusionofmantlematerialscausedtheuppercrusttobefaulted,whilelow-velocityandhigh-velocitylayersarealternativelydistributedinthemiddlecrustundertheinfluenceofthemantleandthelowercrust.Themiddleandlowercrustmaterialsweredetachedfromthetopofthesubmantleplumetothesurroundingswhilethesub-mantleplumematerialsweredetachedoutward.Whenthedetachedmiddleandlowercrustcometotheboundaryoffaultbasinsintheuppercrust,theywillbeobstructedbytheorogeniczoneandthedetachmentwillgoslower.Theshearingbetweenthemwillcausethestresstoaccumulateandreleasealternatively,sothatearthquakesoccurredfrequentlyintheareasofsub-mantleplumeanditssurroundings.

简介：Basedonthedataofearthquakecentroidmomenttensor(CMT)solution,P-wavefirstmotionfocalmechanismsolutionanddeepholebreakouts,apresent-daytectonicstressmapforeasternAsiaregioniscompiled.Theorigi-nalstressdataaresmoothedforevery200km′200kmareabytakingtheaverageofallstressindicatorswithineachsub-region.Thestressmapshowsthespatialdistributionoftheorientationofprincipalstressaxesandthestressregimes.AnearthquakefocalmechanismmapfortheeasternAsiaisalsogiven.Themapsoforientationofprincipalstressaxesshowthat,apartfromthestronginfluenceofthecollisionbetweentheIndianOceanplateandEurasianplate,thepresent-daytectonicstressineasternAsiaissignificantlyaffectedbytheback-arcextensionofthesubductionzones.ThejointeffectofthecontinentalcollisionattheHimalayaarcandback-arcextensionintheBurmaarcregionmayberesponsiblefortheremarkablerotationoftheprincipalstressorientationsinsoutheasternpartoftheTibetplateau.ThejointactionofthecollisionbetweenthePhilippineSeaplateandEurasianplateatTaiwanIslandandtheback-arcextensionoftheRyukyuarcaffectthestressfieldineasternpartofChina.Therearenostrongearthquakesinthepresentdayinthevastback-arcregionoftheJavatrenchsubductionzone.Theback-arcextensiontheremaycreateaconditionfavorabletothesouthwardflowofthelithospherematerialinsoutheasternAsia.IntheinnerpartoftheTibetplateauregion,roughlydemarcatedbytheKunlunmountain,thenorthernandnortheasternpartisabroadintracontinentalcompressivezone,whilethesouthernandsouthwesternpartisgenerallyinanormal-faultingstressstate.

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简介：由使用SHRIMPU-Pb和单个锆石逐步的蒸发方法，作者从东方Hebei为granitoids获得了一些结果省。Yuhuzhaihyperthenetonalitic花岗石被形成2550妈以前，Qingyangshugabbroic片麻岩2536妈，Luecao附近的theYinmahegranodioritic片麻岩，Lulong县，2533妈，gabbro-dioritic片麻岩nearLongwan，Qianxi县，2518-2515妈，在Zunhua2515的Qiuhuayutrondjemitic片麻岩妈，在Zunhua2495妈的theXiaoguanzhuangtonalitic片麻岩，和在Qianxi县2492Ma的Cuizhangzi片麻岩。这些geochronilogical数据尽管多样，在作文，类型和起源表明那，在东方Hebei省的花岗石的片麻岩是emplaced并且在magmatic的一个相当短的时期结晶活动。在这小调子差距的片麻岩的如此的大数量的形成建议它是在Neoarchean的结束的一个批评外壳生长阶段。各种各样的类型的事实thatgranitoids同时发生了暗示一在plating(披风羽毛)下面大规模活动，它当时为外壳生长负责。