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简介：<正>Uraniumisatypicallithophileelement,havingoutstandinggeo-chemicalcharacteristicsofassociationwhithhighSiO2,peraluminousandmarginallyperalkalicrocks.Inevolutionprocessofallgeologicalhistory,uraniumgatherswithoutinterruptioninuppercrust.Urani-ummineralizationiscloselyrealtedwithevolutioncharacteristicsofthecontinentcrust.1.Itwasnotuntilthecontinentcrustevolvedtocertainmaturedegreethaturaniumbeganmetallization.TheoldesturaniumdepositontheearthoccurredintheDelanshiwa（Kapuwaer）district,which

简介：这份报纸简短涉及中国的铀metallogenic类型，省，区域和带的分布。八个目标区域被指出了值得为铀资源勘探。地区性的铀metallogeny被讨论，大铀潜力从许多方面指出了。一般来说，有有利条件让铀矿化作用和好观点为铀资源探索。

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简介：<正>SoutheastChina,whichislocatedinthesoutheastsectionofEasternAsiaCrustobody,turnedintoDiwadevelopmentstage,i.e.,SoutheastChinaDiwaRegion,inMesozoicandCenozoiceraexperiencingthegeotectonicevolutionofpregeosyncline,geosynclineandplat-form.ThisisanimportantconcentrationregionofuraniumoredepositsinChina.Basedontheanalysesofregionalrockformationtypes,tectonicevents,magmatism,metamorphism,metallogenesis,featuresofgeophysicalandgeochemicalfieldsanddifferencesofcrustalevo-lutionandmovement,thisregioncanbeclassifiedintoseveralsecondarytectonicelements,

简介：Usingtheexperimentalresultsgiveninliteraturesaboutthecontactangle,θandtheworkofadhesion,W,fornonreactiveliquidmetal/solidUO2systems,thevalidityandfeasibilityofthedifferentexistingmodelsforcalculatingWinthemetal/ox-idesystemsarediscussed.Itcanbeshownthatthemodelsassumingthatonlymetalatom-oxygenioninteractionsexistingattheinterfacesareunabletoexplaintheexperimentalresultsforW.Morereasonablemodelshouldtakeintoaccountbothmetalatom-oxygenionandmetalatom-oxidemetalcationinteractions,theproportionofthelatterisbalancedbythestoichiometryoftheoxide.Byapplyingthemodelrecentlysetupbytheauthorsforbinaryalloy/oxidesystems,onecanusetheexperimentalandcalculatedvaluesofθandWforvariousmetal/UO2systemstopredicttheinfluenceofmetallicadditionsonthecontactangleandtheworkofadhesionofagivenmetal/UO2system.

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简介：<正>Interlayerfaultisafracturezonecausedbyinterlayer-slidingalongthebeddingsurfaceofstrataoruncomformity.Mainly,itisformedbyrelativeslipbetweentherockbedswhichhavelithologicdifferenceintheprocessofcompressivefolding.Itisutilizedandreformedbythesucceedingtectonicactions.Duetoitsmultiperiodicactivityandlargecontactsurfacewithuranium-bearingstrata,itplaysanactiveroleinore-controlandmetallogenesisinthecourseofaseriesoffaulttectono-geochemicalactions.

简介：<正>MostofU-depositsofChina,speciallythelargeU-deposits,aresimilartotheU-depositsofmanycountries.Therearecloserelationsbetweentheirformation,distributionsoftimeandspaceandthetectono-magmaticactivationofcrust.Thetectono-magmaticactivationdiscussinginthispaper(thefollowingcalledactivationforshort)isonlyconfinedtotheactivationaftergeosynclinestageortheconsolida-tionofplatform.Asaresult,thepalingeneticgeosynclineandmedianmassifalsobelongtothediscussingscope.Thetectono-magmatismofgeosynclinestageitselfanditsrelevantU-depositsdonotbelongtothe

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简介：Aftercxperiencingaseriesofgeoteetonicdevelopmentstagesofpregeosyncline,geosynclineandplatformctc’,thisarcaturncdintoadiwarcgioninMcsozoicandCenozoicera-ItmaybedividedintotwogcodomesyStemsofJiangnan,GanyUeandthrcegeodepressionsyStcmsofXianggui,QianguiMinchcandfourcorrespondinguraniummcta1logenicbelts

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简介：ThediscussingscopeofthispapcrisconfinedtotheEuropeBohemianMassifandtheSoutheastChinadiwarcaion.Theformationoflargeandsuperlargepolygencticcompounduraniumdepositsintheabove-mentioncdtwoareasisapparentlycontrolledbyevolutionofcrustaistructureandrclatCdcloselytothesperificrcaionalstructure8ettIngwhcrot

简介：Thesuperlargecontinentalvolcanicrock-typeuraniumdeposits,whichwerediscoveredabroadlongago,havenotyebeenreporteduptonowinChina.Thisisanimportantproblemthatneedstobeurgentlysolvedbyuraniumgeologistsatpresent.Inthispaper,onthebasisofanalyzingthemetallogenicsettingsandgeologicalconditionsofthesuperlargecontinentalvolcanicrock-typeuraniumdepositsdiscoveredintheworldalongwiththemetallogeniccharacteristicsofthoseofthesametypeinChina,thespace-timedistributionpatternsofcontinentalvolcanicsandthemetallogenicpotentialofmaintectono-volcanicbeltsinChinaarediscussed,andasyntheticconclusionhasbeendrawnthatthereisapossibilitytodiscoverthesuperlargecontinentalvolcanicrock-typeuraniumdepositsinChina.Moreover,itisevidencedthattheGanhang,Nanling,Yanliao,DaHingganLingandothertectono-volcanicbeltspossessfavorablegeologicalconditionsfortheformationofssuperlargeoredepositsofthecontinentalvolcanicrocktype.Theintersectingandoverlappinglocationsoftheaforementionedmainbeltswithothertectono-volcanic(-intrusive)beltsarethemostpotentialareaswherethesuperlargecontinentalvolcanicrock-typeuraniumdepositswouldbefound.

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简介：ＴａｒｇｅｔＲｅｓｉｄｕｅｓｆｒｏｍＩｎｔｅｒａｃｔｉｏｎｏｆＵｒａｎｉｕｍｗｉｔｈ２０ＭｅＶ／ｕ４０ＡｒＩｏｎｓ￥ＱｉｎＺｈｉ；ＬｉＷｅｎｘｉｎ；ＳｕｎＴｏｎｇｙｕ；ＺｈａｏＬｉｎ；ＺｈａｎｇＸｉａｎｇ；ＹｉｎＸｉｎｍｉｎｇ；?..

简介：Thcrearecloseinnerlinksbetweenthetimeandspatialdistributionsofpolygeneticcompoundlarge/superlargeU-depositsanddiwatectonicinterfaces.ixwatectonicinterfacesaredividedintotwotypes,namely,oneinspaceandtheotherintimc.Thcfollowin8tcctonicintcrfacesallbclongtodiwaspatialtyPc:l)Gcotcctonicunconformityintcr