简介:ZhejiangPingyangEconomicDevelopmentZoneisanexemplaryeconomiczoneapprovedtosetupbyZhejiangprovincialgovernment.LocatedattheKunaoPlainalongtheAojiangRiver,itisthehubofthesouthwingofWenzhou’scoastaleconomicarea,aswellasthecoreofKunaocompositecity,whichi...
简介:LocatedinthesoutheastofAnhuiProvince,besidetheYangtzeRiver,andatthewestvergeoftheYangtzeDelta,Wuhuisanopenriversidecityapprovedbythestate,andaportopeningtoforeignships,performingalinkfunctioninthegeneralstrategyoftheYangtzeRiver,withShanghaiastheheadandthreegorgesasthepillar.TheWuhuEconomicandTechnicalDevelopmentZone,approvedbytheStateCouncilisthekeypointtodevelopingWanjiangandrespondingPudong.Withaplannedareaof10sqkm,thezoneiscloseto
简介:TheIrtyshshearzone(ISZ)ofAltairegionisthelineamentstructureofthecollision-suturetype,wheregranitesofKalbacomplexandgranodioritesofZmeinogorskcomplexareexposedtoregionalgneiss-formationandstress-metamorphicalterations.Thisstudyisbasedondetailedstructuralobservationsatspecialgroundsusingopticalandelectronmicroscopy,andonthebehavioranalysisofisotopicsystemsfromalteredgranitoids.WithintheISZareawehaveestablishedthecontinuousrowsofgranitoidstress-metamorphismfrominitialrecrystallizationofprotolite,itscataclasisandmechanicalflaringuptocompleterecrystallizationwithalterationofmineralcompositionandformationofthestreakycomplexesofgranitetectonitesofblastomyloniteandblastocataclasitetypes.Thedirectedalterationofrockshasseveralimpulseandisexpressedbyachangeinmorphologyofmineralgrainsandtheirrelations,magnificationofdeformationcomponentintherockstructure,andformationofnewmineralphasesonthebasisofinitialoneswithoutsurfacefluidization.Attransformationofisotopicsystemsfromgranitoid,theirfeldspars,biotiteandhornblende,wecanobserve'rejuvenation'oftherocksubstratefrom270-290MaforKalbagranitoidsto220-235Mafortheirtectonites,andforRudnyAltaigranodiorites,theirageschangesfrom285-317Mato232-257Mafortheirtectonites.
简介:<正>Irtyshshearzoneisastretched,butrelativelynarrownearfaulttectoniczone,whichischaracterizedbythefollowingfeatures:a)generalsturctureanisotropy(310-320o)withpre-dominanceofsymmetricalrelationshipsofplanarandlineartypes;b)predominantdevelop-mentofbendedblastomyolnite,blastocataclasiteandmetamelangefomations;c)regional,butnon-uniformfoliationofricksandgeneralmanifestationofstructuresoftheshearingflow;d)separationofnumerouslensesofmingmatite-likeandpegmatoidformations,smallintrusionsofleucocraticgranites,granite-porphyresandgranite-aplitesanddike-likebodiesofgabbro-dyabaesandultrabasicrlcks,rarely.
简介:AninvestigationofmacrobenthosinthelittoralzonewascarriedoutinTangguDistrict,TianjinCityinJune2003.Thisinvestigationwastheonlyintegratedonesince1983there.Somethingaboutmacrobenthosinvestigationwasreportedinthispaper.Theresultsshowedthatthebiomassofmacrobenthosofthatareawasalmostatthesamelevelasthatof1983,andthedensityofmacrobenthosincreasedalittle.ThebiomassofMactraveneriformishasgreateffectontheaveragebiomassofthatarea.Thediversityofmacrobenthoshaschangedobviously,and5or6kindsofmacrobenthoshavebecomeextinctordecreasedgreatly.Sotheecologicalstructureofmacrobenthoshasbecomesimplerandunstable.Inaddition,someecologicalmethodstoremedytheareaarediscussedinthispaper.
简介:Deepstructureandmaterialpropertiesoffaultscanbeunderstoodbyobservingandsimulatingtheparticularphaseinafaultfracturezone.Thispaperreviewsthedevelopmentoffault-zoneseismicwavesintheseismologicaldomain.Thepresentresearchstatusoffault-zoneheadwaveandtrappedwavearesummarizedsystematically.Basedonrecentprogressinthisfield,thepaperdiscussestheprospectontheutilizationofseismicwaveinfaultstructureresearch.
简介:KazkeaertefaultzoneisrecognizedasanimportantboundarybetweenPamirandTianshanCenozoicMountainbeltsinthewestofTarimBasin.Itisanactivethrustfaultandcanbedividedintothreesegmentsfromthewesttoeast:Jilekeroutefaultzone,Wuqiaearthquakefaultzone,MushifaultzoneaftergeologicalinvestigatingandmappingalongPamirpiedmont.Basedonthefaultedlandformaswellasdeformationanddisplacementofyoungdepositlayers,theslipratesofKazkeaertefaultzonesincethelateQuaternaryarebrieflystudied.Theresultshowsthattheaveragesliprateoffaultisdifferentiatealongdifferentsegments.