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  • 简介:Geothermalenergyisapreciousresource,whichiswidelydistributed,varied,andabundant.Chinahasenteredaperiodofrapiddevelopmentofgeothermalenergysince2010.Asshallowgeothermalenergypromoting,thedepthofhydrothermalgeothermalexplorationisincreasing.ThequalityofHotDryRock(HDR)andrelatedexploratorytechnologiesarebetterdevelopedandutilized.Onthebasisofgeothermaldevelopment,thispaperreviewsthegeothermalprogressduringthe"12thFive-YearPlan",andsummarizestheachievementsofhydrothermalgeothermalandhotdryrocksfromgeothermalsurveyandevaluationaspects.Finally,theauthorspredictthedevelopmenttrendofthefuturegeothermalresearchtobenefitgeothermalandhotdryrockresearch.

  • 标签: GEOTHERMAL Hot DRY ROCK (HDR) Thermal
  • 简介:Overthepastfiveyears,wehavebeenmakingeffortstodevelopapracticalandpredictivetooltoexploreforgiantoredepositsinhydrothermalsystems.Towardsthisgoal,asignificantprogresshasbeenmadetowardsabetterunderstandingofthebasicphysicalandchemicalprocessesbehindorebodyformationandmineralizationinhydrothermalsystems.

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  • 简介:MajorFactorsControllingCalciteDissolutioninHydrothermalKarstSystemsWangYanxin;TangZhonghua(FacultyofEnvironmentalScienceandGe...

  • 标签: KARST HYDROTHERMAL FLUID THERMODYNAMICS MODELING
  • 简介:<正>TheDevonianhydrotyermalsedimentationandmineralizationarewidespreadandtypicalinMaizi、KelangandChonghuerbasinsofsouthernAltaymargin,andhavetheirrespectivesignsinoccurrence,fabricandgeochemistry.Hydr)thermalsedimentaryrocksmainlyoccurintheintermittentperiodbetweenvolcanicsub(?)ycles.Theyarethin-midium-bedded,lenticularandbasicallyuniformtotheoccurrencesoftheoverlyingandunderlyingstrata.Theclassificationofthehydrothermalsedimentaryrocksisproposedbasedonthemineralcompositions.Thedetaileddescriptionsaregiventothefivetypesofhydrothermalsedimentaryrocks:silicates,feldspar-richrocks,

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  • 简介:Rehai,位于云南省的Tengchong暴烈的地热的区域的南部的部分的一个高温度的热水的系统,被集中的热水的活动描绘。在到目前为止被取样了的Rehai的温泉是Na-HCO<潜水艇class=“a-plus-plus”>3-Cl或Na-HCO<潜水艇class=“a-plus-plus”>3在Diretiyanqu除了那跳(经历地热的区域)它是一个酸硫酸盐弹簧。在有岩浆的高温度的热水的系统的同样典型的典型解决方案成分作为热采购原料,Cl,B并且作为在Rehai,地热的水主要从magmatic液体的增加发源。然而,两magmatic液体和水库hostrocks的溶解混合在Rehai地热的水里贡献氟化物的丰富,尽管他们的氟化物集中被由在答案氟化物和钙集中之间的一种清楚的否定关系显示了的荧石的溶解度首先控制。高得多的集中那么<潜水艇class=“a-plus-plus”>4<啜class=“a-plus-plus”>在Diretiyanqu春天的2作为与在Rehai的另外的弹簧outcropping相比暗示相当不同的geochemical开始这个弹簧。H<潜水艇class=“a-plus-plus”>2S富有的蒸汽,在煮过程期间与深地热的液体分开了(即,断热的冷却),能上升到它与冷地下水被混合并且氧化的浅含水土层。尽管仅仅这种类型的一个弹簧在这研究的领域调查期间被取样了,充满硫酸盐的温泉通常是的酸在这形成了举止。

  • 标签: 热液系统 热海水 中国西南地区 地热水资源 酸性硫酸盐 溶质
  • 简介:Thegeochemicalbehaviorsofhydrogenandoxygenisotopesinthehydrothermalsystemandtheirinher-entrelationshipwiththewater/rockexchangearediscussedinthispaperInadditiontothetemperaturecon-ditions,theeffectiveW/RratioisanotherfactorcontrollingthechangesinHandOisotopecompositionsofthealteredrockandhydrothermalwater.Besides,theapplicationandgeologicalsignificanceofthewater-rockexchangetheoryarealsodiscussedinthelightoftheHandOisotopecompositionsandtheirvariationcharac-teristicsofthemineralizinghydrothermalwaterandalteredrocksfromseveralmineraldeposits.Finally,abriefevolutionalmodelofHandOistotopecompositionsofmeteoricandmagmatichydrothermalwatersinahydrothermalsystemisgiven.

  • 标签: HYDROTHERMAL system ISOTOPE FRACTIONATION mechanism water/rock
  • 简介:1IntroductionDengfuxianorefieldliesattheintersectionoftheQin-HangCombinedZone(QCZ)andtheNanlingMetallogenic,andcomprisesXiangdongW-Sndeposit(AlsoknownasDengfuxianW-Sndeposit),Jiguanshi

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  • 简介:液体岩石相互作用改变geochemical,同位素,petrographic和主人岩石的物理特性,生产热水的活动的一个永久记录。改变的岩石性质的地图证明揭示的常规变化掌握地质的控制并且多半描出地点为地热并且矿物质资源。在许多情况中,geochemical和稳定的同位素数据揭示热液体的起源,并且他们能也提供水库温度的估计并且鉴别液体的地区再装。

  • 标签: 地球化学 地热资源 地球物理技术 热液矿床 展望 物理性质
  • 简介:TheorematerialoftwometallogencticseriesofhydrothermaldepositsrelatedtomagmaticrocksinsouthHunanwaspolymictic,whichdcrivcdmainlyfrommagmasandpartlyfromsourccbeds’Thed6positsinXianghualingtin-polymetallicorcficldwcreregardedtobelongtomagmaticmetal-lOgeneticscricsofremeltingcontincntalcrust.TheXianghua

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  • 简介:Forthefirsttime,wepresenttherareearthelement(REE)andsulfurisotopiccompositionofhydrothermalprecipitatesrecoveredfromtheTangyinhydrothermalfield(THF),OkinawaTroughatawaterdepthof1206m.Thenaturalsulfursamplesexhibitthelowest∑REEconcentrations(∑REE=0.65×10^-6-4.580×10^-6)followedbymetalsulfides(∑REE=1.71×10^-6-11.63×10^-6).Bycontrast,thenaturalsulfur-sedimentsampleshavemaximum∑REEconcentrations(∑REE=11.54×10^-6-33.06×10^-6),significantlylowerthanthoseofthevolcanicandsedimentsamples.Nevertheless,theδEu,δCe,(La/Yb)N,La/Sm,(Gd/Yb)Nandnormalizedpatternsofthenaturalsulfurandmetalsulfideshowthemostsimilaritytothesediment.MosthydrothermalprecipitatesamplesarecharacterizedbyenrichmentsofLREE(LREE/HREE=10.09-24.53)aridslightlynegativeEuanomaliesornoanomaly(δEu=0.48-0.99),whicharedifferentfromthehydrothermalfluidfromsediment-freemid-oceanicridgesandback-arebasins,butidenticaltothesulfidesfromtheJadehydrothermalfield.Thelowertemperatureandmoreoxidizingconditionsproducedbythemixingbetweenseawaterandhydrothermalfluidsfurtherattenuatetheleachingabilityofhydrothermalfluid,inducinglowerREEconcentrationsfornaturalsulfurcomparedwithmetalsulfide;meanwhile,thenegativeEuanomalyisalsoweakenedoralmostabsent.Thesulfurisotopiccompositionsofthenaturalsulfur(δ^34S=3.20‰-5.01‰,mean4.23‰)andmetalsulfidesamples(δ34S=0.82‰-0.89‰,mean0.85‰)revealthatthesulfurofthechimneyissourcedfrommagmaticdegassing.

  • 标签: Hydrothormal processes NATURAL SULFUR Isotopic COMPOSITIONS
  • 简介:TheoccurrencesofassociatedelementsandtheirgeneticfactorsintheNo.30coalseamintheZhijinCoalfieldwerestudiedusinginstrumentalneutronactivationanalysis,inductivelycoupledplasma-atomicemissionspectroscopy,andascanningelectronmicroscopeequippedwithanenergy-dispersiveX-rayanalyzer.And,amicroscopephotometersystem(LeitzMPV-Ⅲ)wasusedtoobservethecharacteristicsofcoalpetrology.Accordingtotheinfluencedegreebythesiliceouslow-temperaturehydrothermalfluids,theorganicmatterisdividedintofourtypes:A,B,C,andDofthehydrothermally-alteredorganicmatter(HAOM).ThestudyshowsthatthehighcontentofFe(2.31%)isnotfrompyrite,butmostlyfromthesiliceouslow-temperaturehydrothermalfluids.Theoccurrencesoftheassociatedelementsinthefourorganicmattertypesaredifferent.ThecontentsofFe,Si,andAlaredecreasing,butSandCuareincreasingintheorderoftheHAOM-A,HAOM-B,HAOM-C,andHAOM-D.Thelosingrateofsulfurinorganicmatteris0.35%andthecontentofFetakenfromthelow-temperaturehydrothermalfluidsintotheorganicmatteris0.794%duringthesiliceouslow-temperaturehydrothermalfluidsinvadingthecoalseam.Theabovefactsindicatethatthelow-temperaturehydrothermalfluidsplayacrucialroleinthere-distributionsandoccurrencesofassociatedelementsincoal.

  • 标签: LOW-TEMPERATURE hydrothermal fluid hydrothermally-altered organic matter