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    SEQUENCE FRAMEWORK OF WUCAICHI IN THE EAST JUNGGAR BASIN OF XINJING
    准噶尔盆地东部五彩湾地区层序框架
    We mainly achieve several views as follows:l)Establish the sedimential sequence framework of Permian formation in studying area and delimint the JiangJunmiao formation of Middle Dyas series as Lowstand System Tract, the lower of the second part to the third part of PingDiquan formation of Middle Dyas series as Transgressive System Tract, the upper of the second part to the first part of PingDiquan formation as Highstand System Tract.
    ①建立了工区内二叠系沉积层序框架,把中二叠统将军庙组地层划为低水位体系域,中二叠统平地泉组二段下部~三段地层为水进体系域,二段上部~一段地层为高水位体系域。
    By using the principle of sequence stratigraphy, six supersequences and ten sequences are divided in the study area ,sequence framework from above Carboniferous weathering surface to Jurassic strata is established, and the plane distribution of lowstand,transgressive and highstand system tracts are determined.
    运用层序地层学原理对该区划分了6个超层序,10个层序,建立石炭系风化面以上到侏罗系层序框架,以及低水位、水进、高水位体系域的平面展布。
    REE plays an important role in recognizing the boundaries of sequence and system tracts and reconstructing sediment lithofacies paleogeographic conditions, including ancient water depth, ancient salty, pH value and Eh value of water body, oxidation and reduction condition and eustacy of lake level.
    稀土元素(REE)对识别层序、体系域边界及恢复层序框架内的沉积岩相古地理(古盐度、古水深、水体的pH及Eh值、氧化还原条件、湖平面升降变化)都具有重要意义。
    From the concept of accommodation space,volcanic rocks were put into the frame of sequence,and the system of hydrocarbon-reservoir-cover controlled by sequence and the oil and gas exploration potential were evaluted.
    从可容空间概念出发 ,把火山岩地层纳入层序框架 ,并对层序控制下的生储盖组合及油气勘探远景进行了评估
    This study of sedimentary reservoirs in a sequence stratigraphic framework shows that in pre-foreland deposits in the north area of the basin, trace fossils mainly indicate oxygen-deficient environments, and the sedimentary facies feature fluvial and limnic depositional systems.
    通过柴北缘地区层序框架下沉积特征的解剖,表明柴北缘地区非前陆期遗迹化石以缺氧环境化石群为主,沉积相以河流-湖沼体系为特征。
 

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