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500 个结果
  • 简介:Deterministic,probabilisticandcomposite-gradingmethodsareusedtogetthepossiblelocationsofstrongearth-quakesinthefutureinNorwestBeijinganditsvicinitybasedonthequantitativedataandtheiraccuracyaboutactivetectonicsintheresearchareaandbyordering,somequestionsintheresultsarealsodiscussed.Itshowsthatthemostdangerousfaultsegmentsforstrongearthquakesinthefutureinclude:segmentsBandAofthesouthernboundaryfaultoftheYangyuanbasin,thesouthernboundaryfaultoftheXuanhuabasin,theeastsegmentofthesouthernHuai¢anfaultandtheeastsegmentofthenorthernYanggao-Tianzhenfault.ThemostdangerousareaisYangyuan-Shenjingbasin,thesecondoneisTianzhen-Huai¢an-XuanhuabasinandthethirddangerousareasareWanquan-ZhangjiakouandnortheastofYuxiantosouthwestofFanshan.

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  • 简介:0IntroductionTheJapaneseIslandsconsistoffivevolcanicarcs(Fig.1).TheNorth-EastandSouthWestJapanarcstogetherformtheHonshuarc,towhichtheKurilearcjoinsatHokkaido,whereastheIzu-MarianaarcjoinsatIzu-FossaMagna,andtheRyukyuarcjoinsatKyushu.Theseregionswherevolcanicarcsconverge,aretermed'islandarcjunctions'.

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  • 简介:Themegamorphostructuresofcentraltype(mega-MCT)andtransrcgionalfaultzoncs-lincaments(TL)arethemainstructuresoftheeontincntalmargin.Thesestructuresareecryaneient(Precambrian)andrepeatedtcetonic-magmaticactivitywascharactcristicfortheminPhancrozoic.Thefirstofthemis2’54’0thousandkmindiameterandformtwo"r

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  • 简介:Inthispaper,wedeterminedanearthquakesequencelocationintheXingfengjiangareafromJune,2007toJuly,2014andthe3DP-wavevelocitystructurebyasimultaneousinversionmethod.Onthatbasis,westudiedtheoccurrencefeaturesofactivetectonicsandtheearthquakesourcemechanism.Theresultsshowthatthereservoirfracturesystemhasatendencytoincreasewithgradualdepthfromsoutheasttonorthwest,consistentwithgravitationalfieldresearchresults.Thereare4highvelocityzones(HVZ)underthedepthofthe7km-12kmcrustbetweentheXinfengjiangReservoirdamandXichangDistrict,Dongyuan.ThemaxvelocityofthebiggestHVZwhichisunderXichangis6.3km/s.Underthereservoirdamthereisastrongtectonicdeformationzone,asthecenterexitRenzishifault(F2),Nanshan-Aotoufaults(F4),Heyuanfault(F1)andShijiao-Xingang-Baitianfault(F5),7earthquakeswithML≥5.0(includingM6.1inMarch,1962)occurredatthehighgradientzoneoftheHVZⅢandHVZⅣedgewhichhasbeenunderthereservoirdamsince1960,withrelativityenergyreleasingmorethoroughly.ModerateseismicactivityoccurredattheHVZⅠedgewhichhasbeenunderXichangsince2012,andisadangerzoneforM5.0earthquakesinthefuture.

  • 标签: P-WAVE velocity STRUCTURE Active TECTONICS SIMULTANEOUS
  • 简介:ConsideringitscentralpositioninEastGondwanareconstructions,theIndiansubcontinentfiguresprominentlyinthestudies,whichwereenvisagedundertherecentlyconceptualizedinternationalproject—""LEGENDS""(LithosphericEvolutionofGondwanaEastfrominterdisciplinaryDeepSurveys),amajorinitiativebyinternationalscientificcommunitytostudycontinentsofthesouthernhemisphere.TheCC-8subcommitteeoftheInternationalLithosphericProgramme(ILP)hasalsoacceptedtheLEGENDSinitiative.

  • 标签: 地质构造 前寒武纪 麻粒岩 印度 场偏差
  • 简介:Thenotableauthorityontectonicsandthehistoryofgeosciences,ProfessorCelalSengorfromIstanbul,hasproducedanotherremarkablebook-which,ashetellsthereader,grewrapidlyfromaninitialpaperintoamassivetome.JustasGeorgesCuvierlikedtheideaof‘burstingthelimitsoftime',soProfessorSengorhasagain‘burstthelimitsofapaper'!

  • 标签: 波长反旋 岩石圈 板块构造论 地球科学
  • 简介:tudyoncrustmantletectonicsanditsvelocitystructurealongtheBeijingHuailaiFengzhenprofileZHIPINGZHU(祝治平)XIANKANGZHANG(张先康)...

  • 标签: crust mantle VELOCITY STRUCTURE deep CRUSTAL
  • 简介:尽管尼内蒂埃斯特·理兹附近的Indo澳大利亚的为理解新板边界的形成是重要的,它的构造问题是复杂的,他们中的大多数糟糕被知道。这份报纸基于深测术,严肃和magnetics的数据做了详细构造分析。深测术和严肃地图显示出许多褶层的词法特征,它由于在印第安人和亚洲盘子之间的碰撞与Indo澳大利亚的的intraplate变丑有关。严肃异例显示出破裂地区的结构,它被传播的seafloor和指责的变换引起。褶层和破裂地区的特征与弥漫的板边界和重新定义的部件将发生在Indo澳大利亚的以内的假设一致。另外,编了磁性的数据表明磁性的线条,放弃的传播中心,向南方的山脉跳,打手势。这些特征为重建学习区域的构造进化历史提供有用信息。磁性的异例建议变换差错的一条另外的板边界打字发展中。

  • 标签: 印度洋 尼内蒂埃斯特·理兹 Indo 澳大利亚的板 板 tectonics 海洋的地球物理
  • 简介:Theprocess-faciestypesoftheDevonianvolcanicsedimentarysuccessionsinnorthernXinjiangincludeexplosivefacies,effusivefacies,pyroclastic-calcareous-terrigenoustempestitefacies,andcoarse~-,medium~-andfine-grainedpyroclasticturbiditefacies,volcaniceruptiontsunamitefacies,syndepositionalandsoft-deformedseismitefacies,sandyandsilt-muddycontouritefacies.Thispaperpresentstheircharacteristicsanddiagnosticindicators,anddiscussesthetemporalandspatialstructuresofboththeprocess-faciesandtheenvironment-faciesoftheZhifangsection,eastJunggar,andtheMountSarburtisection,westJunggar,andtheirrelationtoplatetectonism.Theauthorholdsthatthefaciesanalysisdominatedbyprocess-faciesisthefaciesanalysis’nucleusinanorogenicbeltandactivecontinentalmargin.

  • 标签: process FACIES environment FACIES volcanic-sedimentary SUCCESSION
  • 简介:德国:迪芬巴赫(Dieffenbacher)和SundsMDFTechnologies公司签订了一个合同,决定将向中国福建福人木业有限公司提供EVOjet干法施胶系统。在福建莆田,EVOjet将被安装到新的中密度纤维生产线中,这项计划预计在2013年秋季开始实施。交付的EVOjet系统,包括自动化程序、工程服务、安装和监督。

  • 标签: 福建福人木业有限公司 人造板 装饰板 中密度纤维板生产线 施胶系统 工程服务
  • 简介:欧洲EUROPE英国的刨花消费量止跌回升英国:在经济普遍恢复的背景下,2014年英国的人造市场蓬勃发展。根据来自木质人造工业联合会的初步信息,2014年英国刨花的表观消费量为260.9万m2,增幅达到11.0%。

  • 标签: 人造板工业 装饰板 消费量 刨花板 英国 经济
  • 简介:劳特公司扩展在拉脱维亚和立陶宛的业务芬兰:劳特公司不久前与拉脱维亚桦木胶合板生产商Finieris公司达成850万欧元的销售合同。其内容为:劳特公司为Finieris公司位于拉脱维亚和立陶宛的工厂提供新机器设备和生产线,并对现有生产线进行现代化改造。此前,劳特公司还帮助Finieris公司改造了位于爱沙尼亚柯姬拉市工厂的生产设备,

  • 标签: 人造板 装饰板 现代化改造 拉脱维亚 销售合同 木胶合板
  • 简介:美洲AMERICA惠妤公司开始向日本定向刨花美国:惠好公司将根据日本农林标准(JAS)生产定向刨花(OSB)用以出口日本。OSB在日本主要用于住宅和商业建筑的墙体、屋顶护套和结构地板。惠好公司的生产厂将采用专用配方来满足JAS中强度、刚度及甲醛释放量的要求。

  • 标签: 人造板 装饰板 定向刨花板 甲醛释放量 商业建筑 生产厂