简介：Withanexploitationliistoryofmorctban500years,LaocliangorcdepositinLancliang,Yunnanisaparticularlylarge(possiblysuperlarge)oneofAg,Pb,Th,Cu,S,Au,etc.TectoniCally,itis1ocatedalmostinthesouthcmendofBaolangeodomespetemofWcsternYunnandiwaregion(ChenGuoda,1977)’StrataexposedintheminjngrraionareDevonisnSgn

简介：Inthefirsthalfyearof2018,therewerechangesinChina'seconomic,industrialstructureandthechangesingovernment'spolicyonlandandmineralresources.China'sgeologicalexplorationiscontinuedtomaintainatrendofthegrowth.Thefundinvestmentingeologicalexplorationdeclinedandtheimpetusforinvestmentininitialexplorationwasinsufficient.Theminingmarketshowedagooddevelopmenttrendandthesocialinvestmentdepictedaslightrise.Inthefirsthalfoftheyear,theinvestmentsinhydrogeologicexploration,environmentalgeologyexplorationandgeologicaldisasterinvestigationincreasedontheyear-onyearbasis.

简介：Naturalgashydrates(NGH)isoneofkeyfuturecleanenergyresources.Itsindustrializeddevelopmentwillhelpremitthehugedemandofglobalnaturalgas,relievetheincreasingpressureoftheenvironment,andplayavitalroleinthegreensustainablegrowthofhumansocieties.Basedonnearlytwodecades'studyingonthereservoircharacteristicsintheSouthChinaSea(SCS)andtheknowledgeofreservoirsystem,theChinaGeologicalSurvey(CGS)conductedthefirstproductiontestonanoptimaltargetselectedinShenhuareaSCSin2017.Guidedbythe"three-phasecontrol"exploitationtheorywhichfocusedonformationstabilization,technologiessuchasformationfluidextraction,welldrillingandcompleting,reservoirstimulating,sandcontrolling,environmentalmonitoring,monitoringandpreventingofsecondaryformationofhydrateswereapplied.Thetestlastedfor60daysfromMay10^thwhenstartingtopump,droppressureandignitetowellkillingonJuly9^th,withgasproductionof3.09×10^5m^3intotal,whichisaworldrecordwiththelongestcontinuousdurationofgasproductionandmaximalgasyield.ThissuccessfultestbringsasignificantbreakthroughonsafetycontrolofNGHproduction.

简介：1.ObjectiveAgraphitedeposithasbeendiscoveredinSujiquan,Xinjiangin1980s,whichprovidesdetailedgeologicalsettingsforthesuper-largegraphitedepositdiscoveredinHuangyangshanplutonwithtotalreservesupto7.264×10^9tin2017.OutcropsofigneousrocksinthestudyareaincludeMiddleDevonianplagioclasegraniteandLateCarboniferousalkalifeldspargranitethatisreferredtotheHuangyangshanpluton,whichincludestheLowerCarboniferousHeishantouFormationandJiangbasiFormation,bothofwhichconsistofvolcanic-sedimentaryrocks(Fig.1).Sujiquanfaultprovidedpassageforthemigrationofvolcanicintrusions.Graphitedepositsareusuallyhostedbymetamorphicrocks,butHuangyanshandepositsarehostedbygraniterocks,whicharerarelyknown.TheHuangyangshangraphitedeposithostedbygraniteplutonatHuangyangshanareawasdiscoveredbyXinjiangBranchofChinaNationalGeologicalExplorationCenterofBuildingMaterialsIndustrysince2015.

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简介：Naturalgashydrate(NGH)isconsideredasoneofthenewcleanenergysourcesofthe21stcenturywiththehighestpotential.TheenvironmentalissuesofNGHproductionhaveattractedthecloseattentionofscientistsinvariouscountries.FromMay10toJuly9,2017,thefirstoffshoreNGHproductiontestintheSouthChinaSea(SCS)wasconductedbytheChinaGeologicalSurvey.Inaddition,environmentalsecurityhasalsobeeneffectivelyguaranteedviaacomprehensiveenvironmentalmonitoringsystembuiltduringtheNGHproductiontest.Themonitoringsystemconsideredsea-surfaceatmospheremethaneandcarbondioxideconcentrations,dissolvedmethaneintheseawatercolumn,andtheseafloorphysicaloceanographyandmarinechemistryenvironment.Thewholeprocesswasmonitoredviamultiplemeans,inmultiplelayers,inalldomains,andinrealtime.Aftertheproductiontest,anenvironmentalinvestigationwaspromptlyconductedtoevaluatetheenvironmentalimpactoftheNGHproductiontest.Themonitoringresultsshowedthatthedissolvedmethaneconcentrationinseawaterandthenear-seabedenvironmentcharacteristicsafterthetestwereconsistentwiththebackgroundvalues,indicatingthattheNGHproductiontestdidnotcauseenvironmentalproblemssuchasmethaneleakage.

简介：InMayandJulyof2017,ChinaGeologicalSurvey(CGS),andGuangzhouMarineGeologicalSurvey(GMGS)carriedoutaproductiontestofgashydrateintheShenhuareaoftheSouthChinaSeaandacquiredabreakthroughoftwomonthscontinuousgasproductionandnearly3.1×10^5m^3ofproduction.ThegashydratereservoirintheShenhuareaofChina,ismainlycomposedoffine-grainedclaysiltwithlowpermeability,andverydifficultforexploitation,whichisverydifferentfromthosediscoveredintheUSA,andCanada(bothareconglomerate),Japan(generally,coarsesand)andIndia(fracture-filledgashydrate).Basedon3Dseismicdatapreserved-amplitudeprocessingandfineimaging,combinedwithlogging-while-drilling(LWD)andcoreanalysisdata,thispaperdiscussestheidentificationandreservoircharacterizationofgashydrateorebodiesintheShenhuproductiontestarea.Wealsodescribethedistributioncharacteristicsofthegashydratedepositsandprovidedreliabledatasupportfortheoptimizationoftheproductionwelllocation.ThroughBSRfeaturerecognition,seismicattributeanalysis,modelbasedseismicinversionandgashydratereservoircharacterization,thispaperdescribestworelativelyindependentgashydrateorebodiesintheShenhuarea,whicharedistributedinthenorth-southstripandtendtobethickerinthemiddleandthinnerattheedge.Theeffectivethicknessofoneorebodyisbiggerbutthedistributionareaisrelativelysmall.ThemodelcalculationresultsshowthatthedistributionareaofthegashydrateorebodycontrolledbyW18/W19isabout11.24km^2,withanaveragethicknessof19mandamaximumthicknessof39m,andthedistributionareaofthegashydrateorebodycontrolledbyW11/W17isabout6.42km^2,withanaveragethicknessof26mandamaximumthicknessof90m.

简介：二根不完全的骨头指了ankylosaurscapulocoracoid，肱骨被描述，它从Dachengzi镇的早白垩纪Jiufotang形成被发现，Kazuo县，辽宁省。Ankylosaur恐龙曾经在更低的白垩纪Yixian，Fuxin和西方的辽宁的Sunjiawan形成被发现了。在Jiufotang形成以内的ankylosaurs的出现在ankylosaurstratigraphic分发上改进我们的知识。基于scapulocoracoid的长度，新恐龙被估计超过6.0米长，在西方的辽宁代表最大的ankylosaur。

简介：<正>ONSOUTHERNSTRETCHOPTHES-NTECTONICBELT,CHINAChenGuanghaoandWeiZhoulin(ChangshaInstituteofGeotectonic,AcademiaSinica,Changsha,410013,Hunan,China)S-Ntectonicbelt,southstretching,boundingbeltItcanbeinferredfromthegeophysicaldata,linearstructures,tectonicevolu-tionhistoryandmetallogenythattheS-NtectonicBeltstretchesfurthersouthinadifferentdi-rectionandmannerafterinterceptedbytheRedRiverFault,Thestretchingsegmentistheim-portanttectonicboundaryinIndo-AsiaandassiminlatestheS-Ntectonicbeltwithsomediffer-ences.

简介：OnJune2011,theBeijingResearchInstituteofUraniumGeology,anInstitutewithintheChinaNationalNuclearCorporation(CNNC),andtheDepartmentofGeology&MiningCNNCcarriedoutaprojectScientificDrillingforDeepMetallogenicResearchintheXiangshanLargeUraniumOreField.AyearlateronJune21,theproject,representingthefirstscientificdrillingofChina’suranium,wasofficiallylaunched,andsuccessfullycompletedonJune17,2013.A2818.88mofdrillingdepthhasbrokenthepreviousrecord1200mofexplorationdepth.TheXD-35DBdrillingmachinedevelopedbyChinaGeo-EquipmentCorporationistheChina’sfirstAC-VFDDirectDriveTopDriveCoreDrill.Ithasgreatlyimproved

简介：1.ObjectivesKeeryinraremetaloredistrictislocatedattheintersectionofMarkam,JinchuanandRangtangcounties.Morethan1000pegmatitedykesareassociatedwiththeKeeryingranitepluton.Thesepegmafitedykesarethemajorsourceofindustrialspodumeneorebodies.Basedonthepreviousstudies,wechoseKeeryinraremetaloredistrictasthekeytargetareaforgeologysurvey.Inthisstudy,wediscoveredsixpegmatitelithiumveinsintheSizemuzudistrictoftheKeeryin.Moreover,westudythedistributionofregionaloredepositsandmetallogeny,delineateprospectingtargetandevaluatethemineralizationpotentialofLithium.

简介：Separationtechnologyofrareearthelements(REEs),asthecriticalstepintheseparationprocess,hadlongbeenfraughtwithtechnicaldifficulty.AresearchprojectconductedbyBaotouShiboRareEarthExtraction&EquipmentCo.Ltd.,BaotouREEResearchInstitute,andBaotouSteel&REEGroupHi-TechCo.Ltd(InnerMongolia),hassuccessfullysolvedtheproblemusingacentrifugalextractorandadvancedtechniquestoachieveakeybreakthrough.ThekeydeviceofthewholeproductionlinecontainsCTL-500FBcentrifugalextractorsanddigitalflowsystemequipment.Employmentofanautomaticcontrollingsystemanditsfullyfunctionaloperationsystem,alongwithvarioussupportivefacilities,fulfilstheseparationprocessesforvariousrareearthmaterials.Comparedwithconventionalbox-typeseparationtechnology,thisnewapproachsignificantlyimprovesthestirringintensity,thusimprovingproduction

简介：铁存款(BIF)的变形沉积类型是在世界，和这的簇打的超级大的铁矿石上的铁存款的最重要的类型在巴西包括QuadrilateroFerrifero区域和Carajas，在澳大利亚的Hamersley，在俄国的Kursk，在中国的印度和Anshan-Benxi的中央省。铁存款的Subordinated类型是magmatic，暴烈主人、沉积的。这份报纸简短在世界上介绍主要的超级大的铁矿石簇的地质的特征。在中国的铁矿石的证明储备是相对丰富的，但是他们主要是低档矿石。而且，铁矿石的体谅的部分是困难的为他们的困难的矿石调味品，深埋葬或另外的原因利用。铁矿石存款相对在11个metallogenic省(带)被集中，例如Anshan-Benxi，东方Hebei，Xichang中央的云南省和长江的中间降低的活动范围。主要minerogenetic时代广泛地变化从对太古代第四级，并且主要是对中间晚太古代原生地，Variscan，和Yanshanian时期。主要在中国的铁存款的7种基因类型被变形沉积类型(BIF)，magmatic类型，暴烈主人的类型，skarn类型，热水的类型，沉积类型和捱过的沥滤的类型。充满铁的矿石在skarn和海洋的暴烈主人的铁存款主要发生，局部地在变形沉积类型(BIF)同样热水的改革产品。矿藏和minerogenic模型的minerogenetic系列的理论在调查适用并且铁矿石沉积物勘探。空中地磁学的异例和地磁气的异例的深分析的联合，与严肃，异例是到寻求大、深埋葬的铁沉积物的一个有效方法。中国有铁矿石的一个相对大的寻找矿石的潜力，为特别变形沉积，skarn，和海洋的暴烈主人的铁沉积物。为铁和钢工业的更低的保证度，中国应该给一项做贸易并且打开外国采矿市场。

简介：Theuniversaily-acceptedrescrvestandardforextra-largescalcgolddepositsis3-5timesmorcthanthatforlargescalegolddeposits(2Ot),namelymoretban6o-lOOt’Assereralextra-largescalegoldde-positshavcbccndiscovercdandmincdinJiaobeiareainl97o’s,tbisarcahasbecomcthemostconcen-tratcdarcafortheoccurrcnccofthjStypcofe

简介：Naturalgascontaininghydrogensulphide(H2S)hasbeenfoundinseveralpetroliferousbasinsinChina,suchastheSichuanBasin,BohaiBayBasin,OrdosBasin,TarimBasin,etc.NaturalgaswithhigherH2Scontents(H2S＞5%mol.)ismostlydistributedinboththegasreservoirsofDukouhe,Luojiazhai,PuguangandTieshanpo,whichbelongtotheTriassicFeixianguanFormationinthenortheasternSichuanBasinandthoseoftheKongdian-ShahejieformationsinthenortheasternJinxianSagoftheJizhongDepression,BohaiBayBasin.IntheSichuanBasin,theH2Scontentsofnaturalgasaverageover9%andsomecanbe17%,whilethoseoftheBohaiBayBasinrangefrom40%to92%,beingthenoneofthegasreservoirswiththehighestH2Scontentsintheworld.Basedondetailedobservationandsampleanalysisresultsofatotal5000mofcorefromover70wellsintheabove-mentionedtwobasins,especiallysulfurisotopicanalysisofgypsum,brimstone,pyriteandnaturalgas,alsowithintegratedstudyofthegeochemicalcharacteristicsofhydrocarbons,itisthoughtthatthenaturalgaswithhighH2Scontentsresultedfromthermochemicalsulfatereduction(TSR)reactions.Amongthem,thenaturalgasintheFeixianguanFormationresultedfromTSRreactionsparticipatedbyhydrocarbongas,whilethatintheZhaolanzhuangoftheJinxianSagbeingtheproductofTSRparticipatedbycrudeoil.DuringtheconsumptionprocessofhydrocarbonsduetoTSR,theheavyhydrocarbonswereapttoreactwithsulfate,whichaccordinglyresultedinthedrycoefficientofnaturalgasincreasingandthecarbonisotopesbecomingheavier.

简介：摘要：在中国支持干净的煤资源的合理发展和使用，数据在上地区性并且在中国煤的硫，砷和另外的有害元素的年龄分发广泛地被收集，为内容测试了，并且分析。在西北的中国的煤被描绘由对低极其硫的底层；在北中国的太原形成的煤主要有高硫的内容；山西形成的被低硫煤主要描绘；并且在南部的中国的晚二叠的煤有全面的更高的硫内容；另外的区域有低硫煤。在中国的煤的体积的有害踪迹元素的平均内容类似于在北美洲的煤和世界的其余部分的相应内容，而各种各样的元素的内容(Hg，Sb和Se)在到在外壳中的相应百分比的大小是不同的。元素Cr的平均内容，Se，公司，，U，而在对在N中国的早二叠的年龄近来含碳的煤的Hg和CI的平均内容最高，在在S中国的晚二叠的煤的Br在这个国家评价第一。在早、中间的侏罗记煤的Mn的平均内容在NW中国是更高的。在一些煤的有害元素的高内容应该在煤的发展和利用引起特别担心两个。

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简介：Theplatinum-groupelementgeochemistryofrocksandoresfromJinchuansuper-largecopper-nickelsulfidedepositissystemicallystudiedinthispaper.TheCu/PdmeanratioofJinchuanintrusionisloweronislowerthanthatoforiginalmantlemagma,whichindicatesthattheseultrabasicrockswerecrystallizedfromtPdintheformofmeltingsegregationofsulfides.ThePGEoftherocksshowtrendofpartialmelting,similartothatofmantleperidotite,whichshowsthatmagmaformationoccursduringcksandoresarewellrelatedtoeachother,whichsignifiesthesignaturesofmulti-episodemagmaticintrusion,meltingandiationintheformationprocessesofrocksandores.Inaddition,analysesabouttherelationbetweenPGEandS,andstudyonRe-OsisotopesindicatethatfewcontaminationofthecrustalsubstancescrustalsubstanceshelpstosupplypartoftheSfortheenrichmentofPGE.Meanwhile,thehydrothermalprocessadvantageousfortheenrichmentofPGE,especiallyforPtandPd,duetodeepmeltingsegregation.Thecharacteristicparameters(suchasPt/(Pt+Pd),(Pt+Pd)/(Ru+Ir+Os),Pd/lr,Cu/(Ni+Cu),andsoon.)forplatinum-groupelementsforJinchuansulfidecopper-nickeldepositshowthesamefeaturesasthoseforsulfidecopper-nickeldepositrelatedtobasicmagma,whichalsoillustratesitsoriginalmagmapropertyrepresentativeofMg-hightholeiite.Therefore,itisthemafic(notultramafic)magmathatresultedintheformationofthesuperlargesulfidecopper-nickeldepositenrichedinCuandPGE.Tosumup,thegeochemicalcharacteristicsofplatinum-groupelementsinrocksandoresfromJinchuancopper-nickelsulfidedepositareconstrainedbythecontinentalrifftectonicenvironment,theparentmagmafeatures,theenrichedmantelmagmasource,thecomplexmetallogenesisandPGEgeochemicalsignatures,andthiswouldberathersignificantforthestudyaboutthegeneticmechanismofcopper-nickelsulfidedeposits.

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