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.

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简介：Thecentral-axiszoncformedinMesozoic-CeozoiceraandoccurrcdalongLanping-Simaodepres-sion,Yunnan,isaspccialtcctonicunit’ItisnamedfortheLanping-Pucrtectono-thcrmo-metamorphicupwarpingzone.Itsmaincharacteristicsarc:1.Therockhasbcenmetamorphosedandtherccenthotspringsoccura1ongthezone,whichisahigh-tempcrat

简介：TheRockyMountainFoothillsliealongtheeasternmarginoftheRockyMountainfold-thrustbelt.TheareahasbeenthefocusofextensiveresearchaimedatlocatingoilandgasfieldswiththepotentialtobeusedasCO_2storagetraps.Inthisstudy,weuseaseismiclinefromtheCanadianRockiestointerpretthegeologicstructuresalongacross-sectionparalleltothetectonictransportdirection.Wethencompareourresultswiththoseofpreviousstudies.ThesectionwasrestoredusingtheMOVEsoftware(manufacturedbyMidlandValleyExplorationLtd.).Theprimaryobjectivesofthisworkare:(1)toconductastratigraphicandstructuralinterpretationofa2Dseismicprofile;and(2)toconductacross-sectionalrestorationofthestructuresinordertovalidatetheseismicinterpretationintermsofCO_2storagecandidates.Additionaldatasourcesincludemapsofthesurfacegeology,whichshowthattheageofhorizonsdecreasefromwesttoeast,andstratigraphicandstructuralprofilesderivedfromwelllogs.Theresultsofourstructuralrestorationindicateadetachmentfaultbetweentheforelandandhinterland.ThisfaultisresponsibleforthecuttingandsubsequentupwardsandeastwardsmovementofastratumlocatedbetweenthebasementandtheLateDevonianformation.Largethrustfaultsareresponsibleforthedeformationofstrata(throughbothfoldingandfaulting)

简介：1.ObjectivesTheMoheBasininHeilongjiang,ChinahasaNEEthrustnappebelt,whichwasassembledbytherootzone,middlethrustzoneandthrustfront,north-southandnorth-eastnormalfaultswiththreetectonicactivitiesoftheMiddleJurassicto.Eocene,theMiocene,andtheEarlytoMiddlePleistocene.Themiddlethrustzoneandthrustfronthasalargenumberoffolds,thrustfaults,fracturesandglutenites,whicharethemajorstructuresofgashydrateaccumulationintheMoheBasin.

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简介：Microscopictomesoscopicstructuralinvestigationsandfoliationintersectionaxes（FIAs）preservedinporphyroblastsrevealaverycomplexhistoryofdeformationandtectonismwithinthesouthwesternpartofthewesternhinterlandzonealongthenorthernmarginoftheIndianplate,NWPakistan.D1,D2,andD3relatedstructuresinthesouthwesternpartresembletheF1/F2,F3,andF4relatedstructuresinthenortheasternpartofthewesternhinterlandzone.Thesestructuresdevelopedatthesametimethroughthesamechangesinthedirectionofbulkshorteninginsouthwesternandnortheasternpartsofthewesternhinterlandzone.FIAset1indicatesNW-SEshortening.TheD2fabrics,minerallineationsandfoldaxesindicateE-Wshortening.FIAset2,D3foldaxesandminerallineationsindicateNNE-SSWshortening.D3deformationeventisequivalenttotheF4deformationeventinthenortheasternpartofthewesternhinterlandzone.D4foldaxes,mineralstretchinglineationsandaxialplanefoliationsuggestENE-WSWshortening.TheD4NNW-SSEfabrics,whichformedintheregionaftertheformationoftheMMT（mainmantlethrust）,Khairabad-Panjalthrustfault,HissartangthrustfaultandMBT（mainboundarythrust）,likelyresultedfromENE-WSWbulkshorteningrelatedtodevelopmentoftheHazara-Kashmirsyntaxis.

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简介：ThestudyareaislocatedatthenorthwesternAlvandplutoninnorthwestoftheSanandaj-Sirjanzone.TheSanandaj-SirjanzoneismetamorphicbeltwhichisrelatedtotheZagrosorogenicbelt.Graniticrocksinthisareais

简介：TheLancangjiangtectoniczoneinWesternYunnanisanimportantmagmatic,metamorphicandtectonicmobilezoneofSouthwesternChina,whosegeotectoniclocationisveryunique.Itischaracterizedbycomplexgeologicalstructures,perfectlydevelopedstrata,frequentmagmaticactivities,,variousdegreesofmetamorphism,richoreresourcesandlotsofmetaldeposits,thusformedacentralizedzoneofmineralizationandalsoconstitutedoneoftheimportantmetallogenicbeltsofnobleandnonferrousmetaldeposits.

简介：ApplyingthecrustobodygeotectonictheorytogeologicalprospectingattheLancangjiangrivermetallogenicbeltinwesternYunnanprovince,andonthebasisofthebasicgeologicalbackgroundofwesternYunnanandthespace-timeevolution-movementhistorical-dynamicfeaturesoftheLancangjiangrivertectonicbelt,theauthorhasdiscussedfirstlythemetallogenesisoftheLancangjiangrivertransitionalfieldtectoniczone,whichcanprovideanewtheoreticalfoundationforexploringthespace-timelawsofmineralizationinthisregion.

简介：Thecrust-mantletransitionzone(CMTZ)isanimportantsiteformassandenergyexchangebetweenthelowercrustanduppermantle.SeveralkindsofCMTZexistbeneaththecontinentofChina,whichshowdifferentseismicreflectioncharacteristicsandarecomposedofdifferentrockassociations.Inthispaper,weidentifythreetypesofCMTZinthecontinentofChina.(a)TheCMTZbeneaththeTibetPlateauexhibitsagrid-shapedseismicreflectioncharacterizedbyrandomandreticularhighandlowseismicvelocitylamellae.Itisabout30kmthick,comprisingbothmaficgranulitesoflowercrustandultramaficrocksofuppermantle.SuchlithologicalassociationandseismicvelocitystructurewereinheritedfromthecrustaloverthrustandoverlappingduringtheCenozoiccollisionbetweentheIndianandEuro-Asiancontinents;Thecorrespondingcrustmovementisstillveryintenseinthisregion.(b)TheCMTZunderneathNorthChinaBlockisusuallycomposedofathinnerstrongpositivevelocitygradientlayerwithdualpropertiesintherockassociations.ThissuggeststhatthecrustisstillactiveintheNorthChinaBlockaftersignificantlithosphericthinningandthermalaccretion.(c)TheCMTZintheremainingplatformbasinsofChinaischaracterizedbyarelativelysharpseismicdiscontinuityandaclearlithologicalboundarybetweenthelowcrustanduppermantle.SuchfeaturesoftheCMTZbeneathOrdosbasincorrespondtoweakcrustalmovementafteralongperiodofisolationfromthermo-tectonicoverprinting.

简介：一个指责的地区的形态学和结构不仅表示现在的地位而且保存早seismo构造的出现的证据。现在的纸试图在地震估计早seismo构造的出现的词法以及表面下的证据巴罗穆拉·希尔，的容易的地区Tripura。构造地这在二度的地区V以内是Tripura-Mizoram褶层带和秋天的部分地震地图。在现在的研究，巴罗穆拉·希尔的构造的貌被使用卫星数据识别。为那个目的，LandsatTM短波红外线，红外线、近红外线的midwave为准备合适的乐队联合被选择。分类的A热红外线被用于最后的操作。从遥感操作，五清楚的构造的貌被发现。在领域工作岩石期间，样品为实验室测试被收集。岩石的薄节证明那个复杂压力模式在引起了强壮的seismo构造的出现的地质的过去期间被开发。从学习，这能被估计尽管paleo地震的出现的性质是几乎一样的，但是影响的水平通过空间、时间的规模变化了到期的不同物理性质和安排。当它似乎是，它从这个地方的地质的进化是更复杂的学习也是清楚的。构造、似地球形状的过程通过第三级、第四级的时期一起工作了并且为地形进化起了同等地重要的作用。

简介：Xianshuihe差错地区是一个seismo基因的差错地区左侧面在西南中国滑倒。自从1725，59Ms≥5.0地震沿着这个差错地区发生了，包括18Ms6.0-6.9和八Ms≥7.0地震。Xianshuihe差错地区的地震风险是对西方的四川经济走廊的大、现实主义的威胁。基于以前的研究，我们执行了地在差错地区的地质的调查和遥感解释。另外，地球物理的调查，trenching并且标明日期年龄在关键部分被进行更好理解差错地区的几何学，空间分发和活动。我们推断把差错地区划分成二部分：西北部分和东南分开，与总数八片断。他们的晚第四级滑动率在11.5mm/a的一个范围变化-(3±1)mm/a。Xianshuihe差错地区的地震活动经常、强壮，期刊，并且重新发生。联合历史的地震的空间、时间的分发，Xianshuihe差错地区的地震危险被使用在不同差错片断引起的地震的大小和频率之间的关系预言了。预言结果证明在Daofu和Qianning之间的片断有Ms≥7.0地震，当在Shimian和Luding之间的片断是可能的有地震时关于Ms7.0。建立GPS或表面排水量的基于InSAR的即时监视网络盖住Xianshuihe差错地区，和地震的一个早警告系统并且张贴地震geohazards盖住主要居住区域被建议。

简介：FocusingontheYangtzeRivereconomiczone,thepreviousgeologicalresearchesaresystematicallysummarized,resourcesandenvironmentconditionsandmajorgeologicalproblemswhichareneedingtobeconcernedinlandplanningandconstructionarestudied.Theresultsshowthattheresourceconditionsofcultivatedland,shalegas,geotherm,lithiumandsoonaresuperiorintheYangtzeRivereconomiczone,andtheresourcesandenvironmentconditionsareconducivetodevelopthemodernagriculture,cleanenergyindustryandstrategicemergingindustries.3×1013m^2farmlandswithoutheavymetalpollutionareconcentrated;therearethreenationallevelshalegasexplorationanddevelopmentbaseswithexploredreservesof5.441×1011m^3;geothermalavailabilityis2.4×109tofstandardcoaleachyear,equivalentto19%oftheamountofcoalin2014;Asia'slargestenergylithiummetaloredepositisfound.InsomepartsofYangtzeRivereconomiczone,therearesomemajorgeologicalproblemssuchasactivefaults,karstcollapse,groundsubsidence,landslide-collapse-debrisflow,affectingtheriver-crossingchannels,high-speedrailway,urbanagglomerationandgreenecologicalcorridorplanningandconstruction.Thoseproblemsshouldbeconcerned,andtherelevantsuggestionsandcountermeasuresareputforward.Meanwhile,theideastofurthersupportthedevelopmentoftheYangtzeRivereconomiczoneareputforward.

简介：Shahre-BabakophioliteisapartoftheinnerZagrosophiolitebeltinIran.MajorpartsofintrusivemassesofShare-Babakophiolitearegabbroandplagiogranite.TheSiO2versusNa2O+K2Odiagramshowsthatthepalgiogranitesarerelatedtocalk-alkalineseries.Rareearthelementsexhibitrelativelysimilarpatternthatindicatestheserocksaresyngenetic.Also,REEpatternsdisplayanenrichmentofLREEcomparedtoHREE,andarecharacterizedbyflattoslightlyconcaveuppatternsfromGdtoYb.Suchpatternscontrastsharplywiththoseofplagiogranitesinmorecompleteophiolitesequences,suchastheSemailophiolite,Oman,ortheTroodosophiolite,Cyprus,andNeyriz,wherepatternsaremuchflatterandslightlyLREE-depleted.TheslightlyLREE-enrichedpatternsoftheShahre-Babakplagiogranitessupportapartialmeltingoriginforthem.ThelowTiO2,Nb,TacontentandhighLREEconcentrationsoftheShahre-Babakplagiogranitesindicatethattherockswerelikelyderivedfromtheanatexisofamphibolites,whichwererelatedtohydrothermalalterationofgabbrosinintra-oceanicback-arcbasin.