简介：Abundantfluid-meltinclusionsarefoundintheaegirine-augite-baritepegmatiteandcarbonatiteveinsintheMianningREEdeposit,Sichuan,Theyweretrappedinearlystagefluoriteandquartzfromasalt-meltsystemattemperatureshigherthan5000℃,Meanwhile,fluidinclusionsarealsopresentinalrgeamountsinbastnaesite.Homogenizedbetween150and270℃,theseinclusionsarethoughttoberepresentativeofthephysico-chemicalconditionsofREEmineralization.TheseresultsshowthattheMianningREEdepositisoftypicalhydrothermalorigindevelopedfromasalt-meltsystem.

简介：Fluidinclusionsinmineralsfilledinporesofreservoirrockscanbeusedasagoodindicatorofporegenesisanddevelopmentsoastoshedlightonoilgeneration,migrationandaccumulation.TherelationshipbetweenporeevolutionandoilgenerationhasbeenestablishedbasedonfluidinclusionstudiesontheLowerOrdoviciancarbonatereservoirstrataintheOrdosBaisn,NorthwestChina.Sevenstagesofporositydevelopmentcanberecogmized.i.e.,thepenecontemporaneous,theearlyandmiddle-latediagenetic,thesupergene,theearly,middleandlatere-buryingstages.Thedissolutionporesanfissuresformedinthesupergeneandmiddle-latereburyingstageandthestructuralfracturesformedinthelatere-buryingstageconstitutethemajortrapsofoilandgas.ThemajorphaseofoilmigrationandaccumulationtookplacebetweenLateJurassicandCretaceous,Correspondingtothemiddleandlatere-buryingstages.ThegenerationandaccumulationofoilcanbecloselyrelatedtoYenshaniantectonics.

简介：Basedonthermalsimulationexperiment,interactionsbetweenvolcanicfluidsandsourcerockswerestudied.Gasgenerationsinthedrysystemandfluidsystemunderdifferenttemperatureswereanalyzed.Theresultsshowedthatthevarioustypesofsourcerocksaresimilarincomposition,containinggaseousC1-C5hydrocarbons,H2andCO2whosegasyieldsincreasewithincreasingtemperature.ThegasyieldofsourcerocksoftypeisⅠthehighest,followedbytypeⅡ,andthatofsourcerocksoftypeisⅢthelowest,indicatingthattheyieldofhydrocarbongasesisrelatedtotheirhydrocarbongeneratingpotential.AlthoughthegeneratingpotentialoftypeisⅢthelowest,itcanstillberegardedasausefulgassourcewhenitisburieddeeplyenough.Thebasicvolcanicfluidrestrainsthegenerationofgaseoushydrocarbonsindifferenttypesofsourcerocks,butpromotesthegenerationofinorganicgases.

简介：Goldenrichmentmechanismofore-formingfluidistheessenceofgoldmetallization.Thispapersummarizesthedistinguishingsymbolsofmantlefluidandeffectofcrust-mantlestructureonfluidmovement.Fluidmovingprocessesincludeosmosis,surge,gas-liquidalterna-tionandmutationoffluidspeed.Duringfluidmovement,goldwillbeenrichedgradually.Final-ly,alayeredcirculatorysystemisillustratedinthispaper.

简介：Fluidinclusionstudiesof5golddepositsconnectedwithalkalinerocksshowthatquartzseparatedfromauriferousquartzveinscontainsabundantthree-phaseCO2-NaCl-H2Oinclusionsandtwo-phaseCO2-dominatedones,measuring5-20umindiameter,Homogenizationtemperaturesofthefluidinclusionsaremostlywithintherangeof150-300℃,andthesalinities,mainly0.2wt%-12wt%(NaCl),Goldmineralizationsoccurredatdepthsof1.4-2.8km,Themoststrikingcharacteroffluidcompositionisthatamongthecations,Na^+indominant,followedbyK^+,Ca^2+,amongtheanions,Cl^-isslightlyhigherthanSO4^2-,Intheevaporate,H2Oisdominant,followedbyCO2,ThepHvaluesaremainlywithintherangeof6.5-8.5,indicatingthattheore-formingsolutionsarealkalineinnature.Thehydrogenandoxygenisotopicratiosindicatethattheorefluidiscomposedmainlyofmagmaticwater.Withthedroppingoftemperatureintheorefluid,thecontentsofCO2decreasedwhilethesalinityincreased.TherelationsbetweenAuandothercomponentsoftheorefluidarediscussedinthepaper,anditisconcludedthatinthesedeposits,Chlorides,H2S,SiO2,CO2,etc.inthefluidallareinvolvedinthemigrationandconcentrationofAu.

简介：TheDuolanasayigolddeposit,60kmNWofHabaheCountyinXinjiang,isamedi-um-largescalegolddepositcontrolledbythecoupledore-formingprocessesinvolvingbrittle-duc-tileshearing,albititeveins,andpost-stagemagmasolution.Fluidinclusionstudiesindicatethatthehomogenizationtemperaturesrangefrom160℃to315℃withthepeakvaluesof220-300℃.Mineralizationpressuresarefrom21.0MPato64.5MPa.OrefluidinclusionscontainCa2+,K+,Na+,Mg2+;HCO3-,SO242-,HS-,F-,Cl-andAu+(maximum:5.3×10-6),andthemineralizingfluidisaH2O-CO2system.Sulfur,hydrogen,oxygenandstrontiumisotop-iccompositions(δS=-2.46‰--7.02‰,δ18OH2O=1.65‰-12.4‰,δD=-132.2‰--51.8‰,(Sr/Sr)i=0.7043-0.7073)suggestthattheore-formingfluidisthemixtureofmagmaticwater,meteoricwater,metamorphicwaterandformationwatersealedinrocksandstrata.Itismainlymagmaticwaterintheearlystage,andmixingfluidofwater,meteoricwater,metamorphicwaterandformationwaterthatoccurredinrocksandstratainthemajormineraliza-tionstage.Theore-formingmaterialswerederivedfromtheuppermantleorlowercrust.

简介：在为低温度、浅、高的冰点油水库折断处理期间，首要的问题是由注射冷液体克服uncompleted故障，折断液体的uncompletedcleanup和形成的冷损坏。避免那些问题，采用被建议一新包含了在这篇论文描述了的产生热的水力的断裂液体系统。第一，二种化学产生热的系统我们再学习，NH_4Cl-NaNO_2系统被选择。根据系统的反应特征，草酸酸被选择为反应的催化剂并且包含由阶段分离方法把乙醇纤维素和石蜡用作涂层材料。有折断液体的hydroxypropyl-guar的NH_4Cl-NaNO_2-encapsulated草酸酸的相容性也在论文被讨论。结果证明包含的水力的断裂液体包含了heat-generatingagents兔好稳定性和相容性。当断裂的液体包含2.0摩尔·L~时(-1)NH_4Cl-NaNO_2,0.93%每硫酸盐包含了草酸酸和0.08%铵，山峰温度罐头到达78.0℃和剩余液体的粘性是在4个小时以后的3.12mPa·s。

简介：Themechanismandsignificanceofsecondhydrocarbon-generationfromorganicmattertrappedinfluidinclusionsincarbonaterocksarediscussed.Thetypesoforganicmatterandtherelationshipbetweenthemarealsoreviewed.Theorganicmattertrappedininclusionsandcrystals,whichaccountformorethan20%ofthetotalorganicmatterincarbonaterocks,maybeofgreatsignificanceinthegenerationofhydrocarbons.High-temperatureoilresultingfromsecondhydrocarbon-generationshouldbeanimportanttarget,inadditiontonaturalgas,inoilgasprospectinginregionsofhigh-maturitycarbonaterocks.

简介：Discriminationsinalocalchemical,fluidal,mechanicalandthermalprocessesinashearzonewillleadtometallogenicdifferentiationinalocalsection.Thispaper,basedonthegeneralgeologicalsettingoftheShibangougolddepositinXixia,Henan,dealswithpetrologicalandpetrochemicalsamplesofalteredrocksinthemetallogenicsectionandofmylonitesinthenon-metallogenicsectionofaselectedshearzone.Thediscriminationsinfluid-rockinteractionandpetrologicalmassbalancebetweenalteredrocksneartheorebodyandmylonitesintheshearzonearediscussedaswell.Theresultsshowthatthepetrologicalvolumeofalteredrocksinthemetallogenicsectionoftheshearzoneisalmostalwaysdilatantandthemylonitevolumeinthenon-metallogenicsectionisalmostalwayslost.Majorelementsinalteredrocksfromthemetallogenicsectionandinmylonitesfromthenon-metallogenicsectionalwaysshowatendencyofbeingenrichedanddepleted,respectively.Fluid-rockratiosinthemylonites(Nu=93.68-468.40)arelargerthanthoseofthealteredrocks(NC(Ⅳ）^s=36.11-216.67).Thegainandlossofmajorandtraceelementsfromthealteredrocksandmylonitesintheshearzoneareacompositeprocesstobeimportedandexportedbypercolatingfluidsaswellasofthelossanddilatancyofrockvolume.