简介：ThecontinentofChinaisgroupedintoPan-Cathaysianblocks,LaurasiaandGondwanaContinentalmarginsandrelicsofthreeoceans-Paleoasian,Tethys,andPacificasawhole.Indetail,thecontinentofChinagrewupbycoalescenceofthreeblocksorplatforms(NorthChina,TarimandYangtze)andeightorogenicbelts(Altay-InnerMongolia-Daxinganling,Tianshan-Junggar-Beishan,Qinling-Qilian-Kunlun,Qiangtang-Sanjiang,Gangdise,Himalaya,Cathaysia,EasternTaiwan)duringtheprocessesofoceaniccrustdisappearanceandacceretionary-collisionofcontinentalcrusts.Intheorogenicbelts,sixconvergentcrustalconsumptionzones(Ertix-XarMoron,SouthTianshan,Kuanping-Foziling,Bangongco-Shuanghu-Nujiang-Changning-Menglian,Yarlung-Tsangpo,Jiangshao-Chenzhou-Qinfang)havebeendistinguished.Correspondingly,thestrataofthecontinentofChinaaresubdividedinto17tectonicstratasuperregions,whichtectonicallybelongtothreeblocksorplatforms,sixconvergentcrustalconsumptionzonesandeightorogenicseries,respectively.Thisdivisionisbasedmainlyondifferencesoftectonicenvironmentandtectonicevolutionamongblocks,zonesandbelts,includingthetimingofwhentheoceaniccruststransferredintocontinentalcrusts,thepaleobiogeographicfeatures,andthetypesofstrata.

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简介：浸透的软泥土的失败标准通过不同实验在周期的负担下面被学习。很多周期扭力砍，在unconsolidatedundrained状况下面的浸透的软泥土上的周期的triaxial测试被进行。从测试结果分析，在静态、周期的负担下面的浸透的软泥土的失败满足协定标准，这被看见。来自不同测试压力状态的结果不与测试压力状态或限制压力有关。它能处于一般压力状态被使用。然后根据协定标准，在在测试压力状态和一般压力状态之间的失败时刻的相等的关系能被建立。在失败时刻的浸透的软泥土的周期的力学特征因此在这篇论文被澄清。而且，一个理论基础用伪静电干扰被提供elasto塑料的周期的力量模型评估周期的适用的能力。

简介：StrataofdifferentgeologicalperiodsextensivelyoutcropinwesternGuang-dongProvince,butmostgolddepositsarerestrictedtotheMiddle-LateProterozoicYunkaiGroupandtheCambrianBacunGroup,showingobviousstrata-bouncharacter-istics.GoldabundanceandtraceelementgeochemistryoftheYunkaiandBacunGroupsarecomparedwiththoseoftheOrdovicianandSilurianstrta.TheYunkaiGroupisconsideredtobethesourcestrataforgoldmineralizationintheregion.

简介：ＩｎｔｒｏｄｕｃｔｉｏｎＷｈｅｎａｎａｌｙｚｉｎｇｔｈｅｄｙｎａｍｉｃｉｎｔｅｒａｃｔｉｏｎｏｆａｓｏｉｌ＿ｓｔｒｕｃｔｕｒｅｓｙｓｔｅｍ，ｔｈｅｋｅｙｓｔｅｐｉｓｔｏｃａｌｃｕｌａｔｅｔｈｅｄｙｎａｍｉｃｓｔｉｆｆｎｅｓｓｍａｔｒｉｘｏｆｔｈｅｓｏ...

简介：TheNorthYellowSeaBasin(NYSB),whichwasdevelopedonthebasementofNorthChina(Huabei)continentalblock,isatypicalcontinentalMesozoic-Cenozoicsedimentarybasinintheseaarea.ItsMesozoicbasinisaresidualbasin,belowwhichthereisprobablyalargerPaleozoicsedimentarybasin.TheNorthYellowSeaBasincomprisesfoursagsandthreeuplifts.Ofthem,theeasternsagisaMesozoic-CenozoicsedimentarysaginNYSBandhasthebiggestsedimentthickness;thecurrentKoreandrillingwellsareconcentratedintheeasternsag.Thissagiscomparativelyrichinoilandgasresourcesandthushasarelativelygoodpetroleumprospectinthesea.ThecentralsaghasalsoaccommodatedthickMesozoic-Cenozoicsediments.ThelatestresearchresultsshowthattherearethreeseriesofhydrocarbonsourcerocksintheNorthYellowSeaBasin,namely,blackshalesofthePaleogene,JurassicandCretaceous.TheprincipalhydrocarbonsourcerocksinNYSBaretheMesozoicblackshale.AccordingtothedrillingdataofKorea,theblackshalesofthePaleogene,JurassicandCretaceoushaveallcomeuptothestandardsofgoodandmaturesourcerocks.TheNYSBownsanintactsystemofoilgeneration,reservoirandcappingrocksthatcanhelphydrocarbontoforminthebasinandthusithasthegreatpotentialofoilandgas.TheverticaldistributionofthehydrocarbonresourcesismainlyconsideredtobeintheCretaceousandthenintheJurassic.

简介：在Jianghan平凡区域的海洋的阶层广泛地从上面的Sinian与超过8,000m的全部的深度被散布到中间三叠纪。六个水库caprock单位，命名Z-€2,€2-O,S，D-C，P和T1,能与每个时代被识别。地质学，地层学，钻，油在学习区域象测量包括和锶同位素数据一样测试和另外的基本数据在Jianghan平凡区域在形成的分析和海洋的含石油的水库的进化过程被使用。这研究试图在Jianghan平原为烃的进一步的探索提供一个科学基础并且由在海洋的阶层为烃累积分析关键因素减少风险。我们在更低的Palaeozoic烃水库，油/气体移植和累积主要在早Yanshanian的早时期发生了，并且烃水库在早Yanshanian的中间迟了的时期被破坏的调查结果表演。在更低的三叠纪含碳的烃水库，油/气体移植和累积主要在早Yanshanian发生了，并且烃水库从迟了的Yanshanian承受了破坏到早Himalayanian。自从迟了的Himalayanian，在Jianghan平凡区域的海洋的阶层的保藏条件被改进了。然而，因为所有采购原料，床错过了油/气体产生高峰期并且失去了能力产生第二等的烃，烃的累积都不能在学习区域的海洋的阶层被检测。自从探索在1958开始了，没有工业上可利用的油/气体水库在Jianghan平凡区域的海洋的阶层被发现了。这研究证实在海洋的阶层的含石油的水库完全被破坏了，并且差的保藏调节，这是导致失败的烃探索的主要因素。在学习区域的海洋的阶层的烃探索是相当危险的，这安全地被结束。

简介：Researchsamplesweretakenfromanancientgravelstratumwhichisnotonlyarepresentativesoillayeralongthemiddle-lowerreachesoftheYangtzeRiverinEastChina,butalsooneoftheprimaryNeozoicstratainNanjingdistrict.Locatedmostlyonthesecondandthirdterraces,theancientgravelstrataformedthegeomorphiclandscapesofterraceandstep.Theywerecomplexinconstitution,variedwidelyinstability,ofmultiplesources,locallyderived,andassociatedwithbraidedstreamsinthedepositionenvironment.ACIPW(Cross,Iddings,PirssonandWashington)methodmodifiedbytheauthorwasusedtoanalyzethesoi-rock-formingmaterialsoffinergrains(lessthan2mminsize)oftheancientgravelstratum.Resultsoftheanalysisshowedthatthesandygrainswerecomposedofapatite,ilmenite,potassiumfeldspar,plagioclase,enstatiteandfreequartz,theclaymainlyofkaolinite,andthecementofacombinationofsilicon,aluminumandironataratioof46:44:10.Inthesoil-rock-formingprocesses,includingcompactionalsolidification,water-stableilluviation-cementation,homogeneousovergrowthandsoon,theloosesoil-rock-formingcomponentsgraduallychangedintoconsolidatedsoilandfurthertotheearlystageoflithification.Meanwhile,fromtheanalysis,wefoundthattheancientgravelstratumhadbeenprotectedbytheoverlyingXiashuloessorbasaltandtheoverloadingresultedinoverconsolidatedstrata.ThemodifiedCIPWmethodwasapplicableandeffectiveforsemi-quantitativeanalysis.

简介：SedimentcarbonsequestrationplaysanessentialroleinmitigatingatmosphericCO2increasesandthesubsequentlyglobalgreenhouseeffect.ToclarifythelateQuaternarystrataandcarbonburialrecordsinYellowRiverdelta(YRD),detailedanalysisofbenthicforaminifera,totalcarbon(TC),organiccarbon(Corg),sedimentarycharacteristicsandmoisturecontentsofsediments,wasperformedoncoreZK3,30.3minlengthandobtainedfromYRDin2007.Eightdepositionalunits(designatedU1-U8inascendingorder)wereidentified.AcomprehensiveanalysismethodofhistoricalgeographyandsedimentarygeologywasusedtodeterminetheprecisedepositionalagesofthemodernYellowRiverdelta(MYRD),fromwhichpre-MYRDageswerededuced.TheresultsindicatesthatthemaximumburialratesofTC,inorganiccarbon(IC)andCorgoccurredinthedeltafront(U5),andtheminimumintheshallowsea(U3).RemarkablehighsedimentationratesintheMYRDareresponsibleforburialefficiencyofcarbon,withanaveragerateofCorgburialreaching2087±251g(m2yr)-1,andthatofICreaching13741±808g(m2yr)-1,whicharemuchhigherthanthoseofotherregionswithhighcontentsofCorg.Therefore,YRDhasasignificantburialefficiencyforcarbonsequestration.

简介：沉积物被发现了沿着长江的中间降低的活动范围在这个区域散布的沉积hydrothermal-diplogenetic铜的系列，和theirmetallogenetic机制仍然在热争论。以便揭示沉积过程和热水的重迭的形成矿石的动力学，并且在铜的丰富和降水评估沉积黄铁矿的角色，在黄铁矿和CuCl_2答案之间的反应的一套模仿的实验被进行。根据Dongguashan铜沉积物的形成theore液体的物理化学的特征，安徽省，当试验性的压力，和试验性的温度分别地被放在450，350，250和150℃，100MPa被选择。在与0.2mol/LCuCl_2和1.0mol/LNaCl从Shimenkou阶层界限黄铁矿沉积物和答案孤立的黄铁矿谷物之间的反应试验性地被模仿。然后，在表面地形学的变化和试验性的黄铁矿谷物的表面化学被记录使用的扫描电子显微镜学(SEM)，原子力量显微镜学(AFM)，钻electronspectrometry(AES)和X光检查光电子光谱学(XPS)，并且答案和最新形成的矿物质用电感耦合等离子体(ICP-AES)和X光检查衍射(XRD)被分析技术。黄铁矿表面的Desulphurization被观察，新铜矿物质被检测。黄铁矿能在试验性的条件下面从答案为铜的丰富和降水充当一个geochemical障碍，这被建议。而且，沉积hydrothermal-diplogenetic铜沉积物的形成矿石的机制被讨论。

简介：为在Qiongdongnan的中新世、迟了的渐新世阶层的油和煤气的探索前景(琼东南)盆被评估。结构沉积并且水库特征被讨论，有用结论被得出。主要有二座水库并且由钻的井在Qiongdongnan盆盖住集合，这被证明，即，一个集合第二并且Lingshui的第三个成员(陵水)形成，上面的Sanya(三亚)和Meishan(梅山)形成。根据从埋葬历史和井数据的烃评估，都在Yacheng采购岩石(崖城)和Lingshui形成到达了mature-overmature阶段。高温度和过压为油和煤气的移植提供动态条件，当控制差错的盆的长期的活动对他们在胀起的区域的累积不利时。然而，因为在盆的第二等的差错在Sanya时期，和Sanya的结束停止了他们的活动，形成是以后的由Meishan形成的地区性的overlying层盖住，块并且低在第二等的差错附近高举为油和煤气的累积是有利的。而且作为为煤气的移植的另一个重要削尖的区域，一条结构的山脉的最高的位置应该相当是被海洋的泥石头或沙的泥石头在完整的减退时期期间盖住的一个范围，并且因此，水库床不应该在那个位置，但是在它的劣等的著名或邻近的斜坡地区。因此，我们能得出一个结论晚辈低高举并且可能，结构的山脉而非胀起或一条结构的山脉的顶有巨大的水库，并且应该是在Qiongdongnan盆的主要探索目标。

简介：Inrecentyears,infrastructureconstructiononcoralreefshasbeenincreasinglydeveloped.Therefore,theshallowstratastabilityofcoralreefsintheSouthChinaSeashouldbeevaluated.ThisstudyaimstoinvestigatetheprofilesfortheshallowstrataofcoralreefsinthesouthwestoftheYongshuReef,particularlyinthehydrodynamicmarineenvironment,andtoestablishageologicalmodelfornumericalsimulationusingGeo-Studio.Theshallowstrataofthecoralreefsincludemassgravel,sandgravel,mid-coarsesand,siltysand,finesand,andreeflimestone.Theshallowreefslopenearthelagoonissimilartoa‘layercake＇,inwhichthesideclosetotheseaisanalogoustoa‘blockcake＇.Thesimulationresultsshowedthatcoralreefstabilitydependsonwaveloadsandearthquakestrengthandonthephysicalpropertiesofcoralreefs.Thefactorofsafetyfortheouterreefisgreaterthan10.0understatic,wave,andseismicconditions;thisindicatedthattheouterreefswerelessaffectedbywavesandearthquakes.However,thefactorofsafetynexttothelagoonvariedfrom0.1to5.3.Thevariationwasprimarilycausedbythethickstrataofcoralreefsclosetothesea（reeflimestone,typicallywiththethickness〉10mandequivalenttoablock）.Thesoilandrocklayersinthecoralreefstratawiththicknesses〈10mshowedweakengineeringgeologicalcharacteristics.Ourfindingscanprovideusefulinformationtofutureconstructionprojectsoncoralreefs.

简介：摘要结合工程实践，介绍STRATA应力吸收层的施工工艺。针对上海公路大量采用共振碎石化缺乏替代或比较方案的特点，专门介绍25mm厚的STRATA聚合物改性沥青应力吸收层，供设计、施工参考。

简介：ＲＥＥＣｏｍｐｏｓｉｔｉｏｎｓｏｆＳｅｄｉｍｅｎｔａｒｙＳｔｒａｔａｏｆＧｕｉｃｈｉＳｔｒａｔｉｇｒａｐｈｉｃＲｅｇｉｏｎ，ＮｏｒｔｈｅｒｎＭａｒｇｉｎｏｆＹａｎｇｔｚｅＢｌｏｃｋ，ａｎｄＩｔｓＧｅｏｌｏｇｉｃＳｉｇｎｉｆｉｃａｎｃｅＺｈｏｕＴａｉｘ...

简介：Thecoal-bearingstrataoftheUpperPaleozoic(fromtheTaiyuanFormationtothelowermemberoftheShanxiFormation)arethemostimportantunitsthathavehighgasproductionintheDaniudigasfield,whichisatypicaltight-sandstonereservoirwithhighheterogeneityintheOrdosBasin,China.Basedonanintegratedinvestigationofwelllogs,cores,SEMand3-Dseismicdata,wedelineatedthesedimentaryfaciesofthecoal-bearingstrataanddividedthesuccessionintosequencedstratigraphicunitsofdifferentdepositionalsystems.AsedimentaryhiatuswasdocumentedforthefirsttimeinthestudyareaandformsthesequenceboundarybetweentheLowerPennsylvanianCarboniferousTaiyuanFormation(Ct1)andtheUpperPennsylvanianCarboniferousTaiyuanFormation(Ct2).Thecoal-bearingstratainCt1areindicativeofabarriercoastaldepositionsystem.Tidalchannelsareidentifiedbytheirfine-grained,cross-stratifiedcharacter.Thesandsinthetidalchannelsarewellsorted,andthequartzcontentisabove95%.Thecoalbedlocatedbesidethesandstoneisthoughttobealagoon.Gas-bearing,coarse-grainedsandstoneinthecoal-bearingstrataspanningfromtheCt2tothelowermembersoftheShanxiFormation(P1s)isinterpretedasafluvial-dominatedbraideddeltathatisdividedintofourthird-ordersequences.Thecoal-bearingstrataarecomposedofsandstone,mudstoneandcoalbedfrombasetotopineachsequence.Braided-riverdepositsformthelowstandsystemtract(LST)withineachsequence.Ashelfandlakedepositionalenvironmentcontainingdarkgraymudstoneformsthetransgressivesystemstract(TST).Thehighstandsystemstract(HST)depositsformtheswampcoalbedineachsequence.

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简介：Basedondetailedgeologicstudy,theimportantroleofstructuringintheformationofgolddepositsintheareaisdiscussedwithspecialreferencetostructuralevolution,Syngeneticfaultingcontemporaneouswithtectonic-volcaniceventsisthoughttoberesponsibleforprovidingtheore-formingmaterialatdepth.ThelithofaciesformedbyhighlyalternatingdepositionofterrestrialandcarbonatedetritusischemicallycharacterizedbytheassemblageofAu-Sb-As,constituteingafavorablesourcebedfortheactivationandenrichmentofgold.Thisgoldsourcebedhasundergonefourmajorstagesofstructuraldeformation,accompaniedbymulti-stagedalterationandmineralization.