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简介：Yangtze平台上的NeoproterozoicDoushantuo形成，华南，从碳酸盐站台与不同沉积相记录沉积继任倾斜，到深海盆，和主机，世界级的磷钙土之一扔。在这些阶层，精致地保存了石块被发现了：Weng“一个生物区系。这研究介绍被联系的碳同位素地球化学从Weng配对碳酸盐和有机物“一个碳酸盐平台的节(Yangtze站台的架，贵州省)从一条转变带的Songtaosection和Nanming节(Yangtze站台的斜坡，贵州省)并且从Yanwutan节(Yangtze站台的盆区域，湖南省)。Yangtze站台上的Environmentalvariations和简历事件在迟了的Neoproterozoic和他们的原因的关系期间被讨论。为碳酸盐和器官的碳的否定的碳同位素价值(meandelta~(13)C_(org)=-35.0每千)从最高Nantuo形成被delta~(13)的全面增加跟随C起来节。碳同位素价值每千为碳酸盐并且在-35.6之间每千每千and3.6在-9.9之间变化并且-21.5每千为器官的碳分别地。更重的delta~(13)C_(carb)价值在器官的碳埋葬建议增加，可能与增加生产率有关(例如Weng“一个生物区系)。从Doushantuo形成的沉积的delta~(13)Cvalues经由斜坡从站台减少了到盆，可能反映有次要的溶解的无机的碳的减少的环境由于更在下初级生产率。这被推出在welling过程，层化结构和热水的爆发上面古典主要是重要机制从Doushantuo形成解释沉积的碳同位素组成。

简介：<正>Complicatedsystem(collage)ofblockstructuresandorogenicbeltshadbeenformedintheS-EofAsiabycollisionprosessesinMesozoicandCenozoicperiods.ThiscollagebegantoforminearlyMesozoicasaresultofdestructionofthecontinentalProterozoic-Paleozoiccrustandmovementsoflargeterreines.IndosinianandYangtzeblocks(smallplates)arethemostcharacteristicblock-terranesoftheregion;MyanmarandSongpanblocksystemsarelessrepresentative.Variousetypesofcollisionbeltsaresituatedbetweentheseblocksandontheperipheryoftheplates.Theyconsistofconcordantfoldedsystemsandshearzones.Someofthesesystemsandshearzones

简介：<正>ThenorthChinablockisborderedonthenorthbytheYinShan,onthewestbytheHelanShan,onthesouthbytheQinLing-DabieShan,andtotheeastbythesea.ThesouthChinablockisborderedonthenorthbytheDabaShan(QinLing)-DabieShah,onthewestbytheLongmenShan-DaliangShan,onthesouthwestbythegreatfaultalongtheRedRiver,andtotheeastandsoutheastbythesea.Thetopographyofthenorthissimpleandeven,likeatwo-stagedterracehigherinthewest.Thoughthatofthesouthisalsohigherinthewest,itisveryunevenwithaboundantlowerandmiddlemountainsandhills.TheQinLing-DabieShanisanarrowbeltwiththe

简介：TheDevoniansuccessioninSouthChinaiswell-knownforitscompletedevelopment,vari-fiedsedimentarytypes,remarkablelithofaciesvariationandabundantmineralresources.TheSouthChinaplatewasformedbythecollisionandcollageoftheYangtzeplateandtheCathaysianplate.ThecollisionbeganapproximatelyattheJinningianstageandthecollagewasnotfinalizeduntiltheGuangxianmovement.ItwasontheSouthChinaplatewithasomewhatdifferentnatureofthebasementthattheDevoniandepositionformed.

简介：AmarinestratigraphicsequenceacrossthePliocene/Pleistoceneboundaryhasbeenfoundinthenorth-erncontinentalshelfoftheSouthChinaSea.ThemarineQuaternarydepositsintheYinggehaiBasinmayex-ceed2,000minthickness,probablyprovidingthebestsectionforstudyingthelowerboundaryofthemarinePleistoceneinSouthChina.TheverticalsuccessionwithplanktonicforaminifersandnannofossilsrevealedinboreholesinthebasinhasbeenwellcorrelatedwiththatintheinternationalstratotypesectionofthePliocene/PleistoceneboundaryatVrica,Italy,resultingintheacquirementofabiostratigraphicboundaryat1.64Ma.Thisboundary,however,doesnotcoincidewithanyprominentlithologicalpalaeoenvironmentalchangesinthestudyareaandcanhardlybeusedingeologicalpractice.Thereare,incontrast,significantchangesatthelevelofLADofGloborotaliamulticameratasensulatolocatedbelowtheabove-mentionedboundary.Thepercentageofplanktonicforaminifersinthetotalpopulationandpreservationofforaminiferaltestsdisplaygreatchangesatthislevelcorrespondingtoaclearonlapontheseismicprofilesandindicatingadepositionalhiatusatca.2.0-2.5Ma.SincethelevelcanbewidelytracedinthePearlRiverMouthBasinandtheBeibuGulfBasinandwellcorrespondswiththemarkeddepositionalenvironmentalchangesrecordedinthewestPacificandotherregions,itisrecommendedthatthePlio/PleistoceneboundarybedrawnatthelevelofGr.multicameratasensulatoLAD,roughlyconcurrentwiththeGauss/Matuyamaturn.

简介：在这篇文章，backstripping技术在学习Qiongdongnan的沉淀人物被使用()盆(QDNB)以便理解它形成和进化的动态机制。同时，这个区域的地热的特征被总结，并且拉长的因素()上面的外壳，整个外壳，和全部，岩石圈被计算。QDNB被这个区域拉长并且变瘦的高沉淀率，高地热的坡度，高地热的热流动，和岩石圈描绘深度依赖者。因为欧亚的板，和平的板，印度澳大利亚人的板，和菲律宾的海板的相互的subductions，一个岩流圈地区肯定在东南亚洲大陆的岩石圈下面被限制了。这些人物显示那强壮的披风传送对流发生了，更低的外壳材料在领域离开流动了，它导致上面的外壳的快速的曲折均衡沉淀和岩流圈的uplift。

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.

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简介：1.ObjectivesThestudyofthepaleo-reservoirisofgreatsignificanceforoilandgasexploration.Firstly,theexistenceofpaleoreservoirscanreflecttherehasbeenhydrocarbonaccumulationprocessinthisarea,wherethereoncewastheadvantageousconditionwithsource-reservoir-capcombination;secondly,itcanindicatethatthisareahascertainresourcepotential.Thepurposeofthisresearchis:throughthestudyofthepaleo-reservoirofCSDP-2wellintheLaoshanupliftoftheSouthYellowSeaBasin,whichisascientificinvestigationwell,itcanprovidegeologicalbasisformarineoilandgasexplorationoftheMesozoicandPaleozoicintheLaoshanupliftoftheSouthYellowSeaBasin,andatthesametimecanprovideimportantinformationforfutureexplorationtargetselection.

简介：系统的Ce异例为整个岩石从跨越奥陶纪/志留纪(O/S)的页岩主导、连续、远洋的沉积序列被获得了在Tieshui的边界()Xiushan()，重庆()，华南。越过O/S边界的Ce异例在三间隔被认出，Wufeng()，Guanyinqiao()并且Longmaxi()。计算Ce/Ce*Wufeng形成的价值从0.84～0.96(avg。0.90)。在Guanyinqiao形成，计算Ce/Ce的价值*从0.73～0.85(avg。0.79)。Ce/Ce*价值最高从0.87～0.96的Longmaxi形成范围(avg。0.91)。沿着节，Ce异例的大小总是是否定的，但是在Guanyinqiao形成是更重要的。相对更高的Ce/Ce*在Wufeng和Longmaxi页岩的价值是可能的由于在减少的条件下面扔的沉积。Ce异例显然确实在伴随突出的集体扑灭的缺氧的事件起一些常规作用，并且这个工作为在结束抑制模型提供批评重要性的新数据--奥陶纪缺氧的事件和集体扑灭。

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简介：新地震数据的学习在架并且在Qiongdongnan盆(QDNB)的深渊的设定上以内部建筑学和分发允许沉积严肃流动的鉴定。六种严肃流动类型被认出：(1)有基础、一致的truncational的turbidite隧道压垂沿着架边和斜坡的关系，包括旁边地转移、使河床升高得垂直地的隧道建筑群；(2)有塑造汤勺的形态学的滑坡在架裂缝上滑动步并且从变丑产生了糟糕巩固并且高水位线内容沉积；(3)商业萧条在架斜坡上被限制，由一个异常斜坡坡度或由差错活动被触发；(4)turbidite表建筑群(TSC)被归功于到盆地板扇子和斜坡扇子起源，偶尔由混浊水流喂深海洋的存款；(5)沉积飘动在更低的斜坡盆地板发生，并且盖住约400km2的一个区域，在越过海床流动的水流下面被产生；并且(6)在深水区域的中央峡谷表示严肃流动的一种例外的类型碎片流动，turbidite隧道，和TSC的一个协会创作了。它介绍平面multisegment和垂直多相的特征。在峡谷与好petrophysical性质联系的Turbidite能在QDNB被当作一个潜在的探索目标。

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简介：Onthebasisofexistingconodontdata,theauthorshavestudiedtheLatePermian-EarlyTriassicconodontsofdifferentformsandbiofaciesindetail.Fiveconodontbiofaciesarerecognized,fromshallowtodeepwaters1.Hindeodusconodontbiofacies,2.Pachycladina-Parachirognathusconodontbiofacies,3.Gondolella-Hindeodusconodontbiofacies,4.Gondolella-Neospathodusconodontbiofacies,and5.Xaniognathusconodontbiofacies.Consideringthetemporalandspatialchangesoftheseconodontbiofacies,3conodontbloprovinceshavebeendivided.Inlightofthebiofacieschangesofeachbioprovince,theauthorsalsodiscuss,inthispaper,theregularityoftransgression-regressioncyclesofeasternTethysandtheirpossiblerelationtothemassbioticalternation.

简介：在在中间之间的过渡时期并且晚三叠纪，印度支那造山运动在华南引起了二构造事件：(1)形成并且沿着华南板的北边缘Qinling-Dabieorogenic带高举，由于它有北方中国板的碰撞；并且2)在华南板的东南的部分的1300-km-wideintra大陆人orogen的发展，它导致了低岬戳褶层地区的一个向西北的运动。这些构造事件结果Yangtze站台的intheending，并且是从Eidacaran的一个稳定的paleogeographic因素到中间的目的三叠纪。这个平台被浅水的碳酸盐的普遍发展描绘。在Yangtze站台的结束以后，上面的Yangtze低岬盆(或四川低岬盆)被形成在期间晚三叠纪并且成为了由Xujiahe形成的相关阶层构成的河的存款的一个累积地点。在西方的四川省，Xujiahe形成躺形成浅水的碳酸盐Xiaotangzi形成siliciclastic岩石摇的Maantang(从架页岩到沿岸的外形)。sequence-stratigraphic框架上面在上面的Yangtze低岬盆三叠纪显示特别冲积体系结构，由创作的序列描绘了(1)高住所的阶段的低精力的河的存款的继任包括煤缝接，并且(2)低住所的阶段的高精力的河的存款，包括混合河隧道沙岩。属于Xujiahe形成和它的相对阶层的这些河的存款的空间分发被渐渐的变瘦外面描绘，重叠，并且向东方和南方的拧外面。这个沉积记录因此在低岬盆的充满的继任以内表示河的存款的特别sequence-stratigraphic继任。sequence-stratigraphic框架为上面在上面的Yangtze区域三叠纪提供Yangtze站台和上面的Yangtze低岬盆的形成的结束的一个记录。

简介：Since2011,certainadvanceshavebeenmadethroughtheresourceinvestigation,metallogenesisresearch,miningsupervisionandenvironmentalprotectionofion-adsorptiontyperareearthelement(REE)depositinSouthChina.Firstly,someprogresshasbeenmadeinREEprospectinginJiangxi,Guangdong,GuangxiandYunnan.REEdepositsarenotonlyfoundwithintheweatheringcrustsofgranitesandfelsicvolcanicrocks,butalsowithintheweatheringcrustsofepimetamorphicrocksandbasicmagmaticrocks.Secondly,themethodsofexploration,delineatingorebodiesandcalculationofreserveshavebeenimproved,whichintuitivelyreflectthethickness,REEcompositionandvalueofweatheringcrust.Thirdly,therelationshipbetweenREEsandweatheringdegreeandtheruleofdistribution,migrationandenrichmentofREEsintheweatheringprofilewassummarizedthroughtheanalysisofbigdata,whichcanpredictthemetallogenetichorizonofREEs.Fourthly,amethodforquick,accurateanddynamicinvestigationoftheREEdeposithasbeenestablishedbyusinghighresolutionremotesensingtechnology.Finally,therelationbetweentheproductionstatusofREEminesandwaterpollutionhasbeenrevealedbasedonlong-termhydrochemicalmonitoringdataofriversandwellsinminesandsurroundingareas.

简介：InordertomakeabreakthroughinMesozoic-PaleozoicshalegasexplorationintheSouthYellowSeaBasin,acomparisonofthepreservationconditionswasmadewithintheBarnettshalegasreservoirsintheFortworthBasin,theJiaoshibashalegasreservoirsinSichuanBasinandpotentialshalegasreservoirsinGuizhouProvince.Theresultsshowthatthe"Sandwich"structureisofgreatimportanceforshalegasaccumulation.Thereinto,the"Sandwich"structureisakindofspecialreservoir-caprockassemblagewhichconsistoflimestoneordolomiteonthetop,mudstoneorshalelayerinthemiddleandlimestoneordolomiteatthebottom.InconsiderationoftheMesozoic-PaleozoieintheLowerYangtze,andLaoshanUpliftwithweakPaleozoicdeformationandthrustfaultsealingOnbothflanksoftheLaoshanUplift,aconclusioncanbedrawnthatthepreservationconditionsofshalegasprobablydeveloped"Sandwich"structuresintheLowerCambrianandPermian,whicharekeylayersforthebreakthroughofshalegasintheSouthYellowSea.Moreover,thepreferredtargetsforshalegasdrillingprobablylocateatbothflanksoftheLaoshanUplift.