简介:风景特征影响气象学的因素,因此影响灰尘暴风雨事件的出现和自然。现在的学习调查六个气象学的因素的空间与时间的特征(风速度,风方向,空气温度,相对湿度(RH),相片综合地活跃的放射(同等),和太阳的放射)在不同风景类型上(移动沙边疆,修理半的沙的土地,固定沙的土地,并且绿洲的内部区域)在灰尘在四典型灰尘期间下暴雨前后,在Cele在绿洲沙漠交错群落袭击事件,Xinjiang,中国。结果证明平均的风速度从移动沙边疆显著地减少了到内部绿洲,它对植被范围主要可归因。在灰尘暴风雨事件前,在在不同风景类型上的水平或垂直的方向在空气温度和RH任何一个有明显的差别。然而,这些因素是很类似的在期间并且跟随灰尘暴风雨事件。同等和太阳的放射显著地在灰尘暴风雨事件期间被减少并且随后吹沙并且漂流灰尘条件。这效果比在类似的天气期间没有灰尘的条件袭击象吹沙、阴暗或多雨的天那样的事件的强壮得多。另外,在在不同风景之中的气象学的因素的变化被占优势的风方向也在灰尘暴风雨事件期间影响。然而,风景类型稍微改变了占优势的风方向,与在内部绿洲的风方向的最大的分散分发。这研究的调查结果对在灰尘暴风雨的出现理解风景类型的功能,以及为为灰尘暴风雨的预防提供一个理论基础有用。
简介:TheJunggarorogen,Xinjiang,China,isanimportantpartoftheUral-Mongolianorogen.ThecollisionalorogenesisinthisregionoccurredprimarilyintheCarboniferousandPermianwithanevolutionalprocessofearlycompressionandlateextension.MineralizationofgoldandothermetalsintheJunggarorogenoccurredmainlyinthePermianandinafewcasesintheLateCarboniferous.Thedepositsarelargelydistributedinareaswherecollisionalorogenesiswasintensiveandformedinatransitionalstagefromcompressiontoextension.Therefore,goldmineralizationintheJunggarorogenisfullyconsistentwiththecollisionalorogenesisintime,spaceandgeodynamicsetting.ThisindicatesthatthemineraldepositmodelofcollisionalorogenesisisapplicabletoprospectingandstudyoforedepositsintheJunggarorogen.Furthermore,thefactualdistributionofgoldandotherdepositsinthisregionisjustthesameasthecollisionalorogenicmodelpresents.
简介:ThispaperpresentstheIrtishtectoniczoneasanexampletostudyfluid-rockintcractionsduringovertbrustingdeformationprocessatthedepthofmiddle-lowercartbcrust.Theresultsshowthattherewereconspicuousfiuidactionsinthemcantimeofdeformation,andmanydeformationalanddifferentialmicrostructuresrelatedtonuid-rockintcr
简介:Inthispaper.itisdemonstratedthatthereexistmarinehorizonsintheupperpartofthelowersubcycleandtheuppersubeycleoftheKizilsuGroupinXinjiang.basedonnewevidenceofauthigenicglauconite.boroncontent.carbonandoxygenstablcisotopicanalyses.andlithologicalandsedimentaryfeatures.Theup-perpartofthelowersubeycleisthelowermostmarinehorizonoftheCretaceousinthewesternTarimBasin,whichisinferredtobeofBarremianage.
简介:Thispaperintroducesthegeologicalstructurebackgroundaroundthe2014YutianM_S7.3earthquakearea,investigatesandanalyzestheregimeofsmallearthquakeactivityandthecharacteristicsofregionalseismicitypatterninXinjiangbeforetheearthquake,andcomparesthecharacteristicsoftheregionalseismicactivitywiththe2008YutianM_S7.3earthquake.Theresultsshow:12~3yearsbeforethe2014YutianM_S7.3earthquake,Xinjiangwasinaseismicactivestatewithstrongearthquakeoccurringsuccessively,andbeforethe2008M_S7.3earthquake,Xinjiangwasinthequietstateofmoderate-smallearthquakeswithM3.0~4.0.2BeforethisYutianM_S7.3earthquake,theregionalseismicactivityshowedashort-termanomalyfeature,thatis,seismicityofM≥5.0earthquakessignificantlyincreasedontheAltunseismiczoneandinthesourceareathreeyearsbeforetheM_S7.3earthquake,whileafiveyearlongquiescenceofseismicityofM≥4.0earthquakesappearedontheeastofthesourceareainarangeofabout440km.SixmonthsbeforethisM7.3earthquake,thereexistedseismicgapofM3.0~4.0earthquakesandnear-conjugateseismicbeltmagnitude3.0and4.0inthesourcearea.3ThestateofstrongearthquakeactivityandtheseismicitypatternofsmallearthquakesbeforethisYutianM_S7.3earthquakeweresignificantlydifferenttothatbeforethe2008YutianM_S7.3earthquake,andthismayberelatedtothedifferentseismogenicenvironmentsofthetwoM_S7.3earthquakes.
简介:Organic-inorganicinteractionsoccurringinpetroleum-relatedmudvolcanoescanhelppredictthechemicalprocessesthatareresponsibleformethaneemissionstotheatmosphere.SevensamplesofmudbrecciadirectlyejectedfromonecraterwerecollectedintheDushanzimudvolcano,alongwithoneargillitesampleoftheoriginalreddishhostrocksdistalfromthecrater,forcomparisonpurposes.ThemineralandchemicalcompositionsaswellasironspeciesofallsamplesweredeterminedusingXRD,XRFandM?ssbauerspectroscopy,respectively.Theresultsindicatethataseriesofmarkedreactionsoccurredinthemudvolcanosystems,morespecificallyinthemudbrecciawhencomparedtotheoriginalrocks.Changesmainlyincluded:(1)someconversionofclaymineralsfromsmectiteintochloriteandillite,andtheprecipitationofsecondarycarbonatemineralssuchascalciteandsiderite;(2)silicondepletionandsignificantelementalenrichmentofiron,manganese,magnesium,calciumandphosphorus;and(3)transformationofironfromferricspeciesinhematiteandsmectiteintoferrousspeciesinsiderite,chloriteandillite.ThesegeochemicalreactionslikelyinducedthecolorchangesoftheoriginalreddishNeogeneargillitetothegrayorblackmudbreccia,asaresultofreductionofelementsand/oralterationofmineralsassociatedwiththeoxidationofhydrocarbons.Ourresultsalsosuggestthatgreenhousegasesemittedfromthemudvolcanoesareloweredthroughaseriesofmethaneoxidationreactionsandcarbonfixation(i.e.,throughcarbonateprecipitation).
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.
简介:Weappliedthedouble-differenceearthquakerelocationalgorithmto1348earthquakeswithM_S≥2.0thatoccurredinthenorthernTianshanregion,Xinjiang,fromApril1988toJune2003,usingatotalof28701P-andS-wavearrivaltimesrecordedby32seismicstationsinXinjiang.AimingtoobtainmostoftheseM_S≥2.0earthquakesrelocations,andconsideringtherequirementsoftheDDmethodandtheconditionofdata,weaddedthetraveltimedataofanother437earthquakeswith1.5≤M_S<2.0.Finally,weobtainedtherelocationresultsfor1253earthquakeswithM_S≥2.0,whichaccountfor93%ofallthe1348earthquakeswithM_S≥2.0andincludesalltheM_S≥3.0earthquakes.Thereasonfornotrelocatingthe95earthquakeswith2.0≤M_S<3.0isanalyzedinthepaper.Afterrelocation,theRMSresidualdecreasedfrom0.83sto0.14s,theaverageerroris0.993kminE-Wdirection,1.10kminN-Sdirection,and1.33kminverticaldirection.Thehypocenterdepthsaremoreconvergentthanbeforeanddistributedfrom5kmto35km,with94%beingfrom5kmto35km,68.2%from10kmto25km.Theaveragehypocenterdepthis19km.
简介:Toinvestigatethemutationsintheupstreamregulatoryregion(URR)ofhumanpapillomavirustype16(HPV-16)fromthecervicalcancerbiopsiesinXinjiangUygurwomenanditsrelationshiptothehighincidenceofcervicalcancerinthesouthernXinjiang,thetissueDNAwasextractedfromthecervicalcancerbiopsies,andtheURRsegmentofHPV-16DNAwasamplified,sequencedandanalyzed.Thereafter,thepolymorphismofURRinHPV-16wasthenanalyzed.ItwasdemonstratedthatthepositiveratedetectedforthepresenceofURRinHPV-16was89.47%(17/19).ComparedwiththepreviouslypublishedsequenceinURRofprototypeHPV-16,somemutationsweredetectedinthesequenceofURR.Themutationsin17URRfragmentsofHPV-16couldbedividedinto11patterns(XJU-1toXJU-11)atnucleicacidlevel,inwhicheachofXJU-1andXJU-4accountedfor23.53%(4/17),andotherpatternsofmutationaccountedfor5.88%(1/17).IncomparisonwiththeURRofprototypeHPV-16,theDNAidentityofthesepatternswas98.50%-99.68%.Inthese17URRfragments,twopointmutationsoccurredatposition7192(GtoT)andposition7520(GtoA)andtheyappearedtobeconstantinXinjiangarea.ThesetwomutationswereubiquitousintheAsia-Americantypeandconferredstronginfectionactivityandcarcinogenicityofthisvirus.Inaddition,themutationsatposition7729(AtoC),position7843(AtoG)andposition7792(CtoT)couldenhanceitstranscriptionactivityconsiderably.ItisconcludedthatsomemutationsoccurinURRgeneofHPV-16inthecervicalcancerbiopsiestakenfromUygurwomeninXinjiangarea,suggestingthatcertainrelationshipexistsamongthemutationsinURRofHPV-16,thephylogenyofHPV-16andthehighincidenceofcervicalcancerinsouthernpartofXinjiangarea.
简介:Shadong沉积物是在东方Tianshanorogenic带,和存款的地质的特征发现的第一大规模钨存款显示深深地隐藏的花岗石身体与矿化作用是遗传上相关的。从Shadong的锆石的LA-ICPMSU-Pb年龄隐藏了在这获得的花岗石研究是239湡瑩楯獤吗??
简介:Byusingthe40Ar-39ArchronologicalmethodtodateK-feldsparfromK-feldspargraniteintheQiaohuotecopperdistrict,theauthorsobtainedaplateauageof274.78±0.44Maandanisochronageof272.7±3.0Ma.BecausethereisnotectonicdeformationoverprintedorhydrothermalalterationintheK-feldspargraniteintrusionafteritsemplacement,the40Ar-39AragerepresentsthecrystallizationageofK-feldsparinK-feldspargranite,i.e.thelatecrystallizationageoftheK-feldspargraniteintrusion,whichindicatesthattheK-feldspargraniteformedintheintraplateextensionalstageduringtheEarlyPermian.Moreover,basedonthespatialrelationshipbetweentheK-feldspargraniteintrusionandcopperorebodies,variationsofcopperoregrade,REEcharacteristicsofK-feldspargraniteandcopperores,andHandOisotopiccompositionsoffluidinclusionsincopperores,themetallogenesisoftheQiaohuotecopperdepositisdirectlyrelatedtointrusiveactivitiesoftheK-feldspargranite,andthusthecrystallizationageofK-feldsparinthegraniteapproximatelyapproachesthemetallogenicepochoftheQiaohuotecopperdeposit.