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   沉没不整合 的翻译结果: 查询用时:0.008秒
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沉没不整合
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  “沉没不整合”译为未确定词的双语例句
     Gradational strata or a true unconformity exist between the two sequences.
     两层序间可以是过渡的或以一真正的沉没不整合分割。
短句来源
  相似匹配句对
     Gradational strata or a true unconformity exist between the two sequences.
     两层序间可以是过渡的或以一真正的沉没不整合分割。
短句来源
     (9) the large-scaled unconformity strata;
     (9)大型不整合;
短句来源
     THE DETACHMENT ON THE UNCONFORMABLE SURFACE
     不整合面上的滑脱构造
短句来源
     The Settling of Sunk Costs in the Project of Renovation and Expansion
     改扩建项目中的沉没成本
短句来源
     Investigation on the sinking accident involving M/V “AN JIN”
     “安津”轮沉没事故调查
短句来源
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  drowning unconformity
Finite difference seismic display showed best resemblance with the real seismic data, especially by mapping a drowning unconformity.
      


The study of Guantao Formation of Gaoshangbao oilfield does not go into detail. The sandstone body changed largely in lateral direction. A braided sedimentary model of upstream is established on the analysis and explanation of genetic facies and data of logs, and the descriptions of all kinds of genetic facies of the braided river of Guantao Formation.

着重总结了我国古大陆及其边缘早古生代大层序(megasequence,一级层序)和中层序(mesosequence,二级层序),以及一级、二级海平面变化的基本特征,并与国外早古生代海平面变化进行对比.我国3大古陆(华北陆块、扬子陆块、塔里木陆块)及其边缘早古生代大层序可划分为两个(MG-1,MG-2).中层序划分为5个(MS-1,MS-2,MS-3,MS-4,MS-5).MG-1包括MS-1,MS-2和MS-3,时限为94~112Ma(寒武纪和早奥陶世),底以巨大不整合为界,顶以著名巨大沉没不整合为限,沉积了我国显生宙大部分的碳酸盐岩,赋存着丰富的油气和各种金属及非金属矿产.MG-2包括MS-4和MS-5,时限为58~68Ma(中、晚奥陶世和志留纪),底界以巨大沉没不整合为界,为硅质碎屑-碳酸盐岩组合.海平面变化的级别划分对应于层序.中国3大古陆及其边缘早古生代海平面变化的总貌:MGSC-1初期普遍发生快速海进,海平面升高,尔后海平面下降,其间有多期次的小幅度海进和海退变化.MGSC-2则普遍海平面升高,上升幅度大于MGSC-1,尔后逐渐下降.

The drowning event is a key marker representing the termination of carbonate platform development and has some features of geology, geochemistry and seismic reflection. Geologically, it is a drowning process with stages reflected by two drowning sequences. Gradational strata or a true unconformity exist between the two sequences. Early drowning sequence is not always upword deeping and is similar as Vail′s sequence. Geochemically, abrupt increase in the constant and trace elements content responds to the drowning....

The drowning event is a key marker representing the termination of carbonate platform development and has some features of geology, geochemistry and seismic reflection. Geologically, it is a drowning process with stages reflected by two drowning sequences. Gradational strata or a true unconformity exist between the two sequences. Early drowning sequence is not always upword deeping and is similar as Vail′s sequence. Geochemically, abrupt increase in the constant and trace elements content responds to the drowning. Seismically, it shows obvious double phase reflector and basinal marine onlap above the carbonate sequence boundary.

沉没事件是碳酸盐岩台地发育、演化终止的一个重要标志,它具有特定的地质、地球化学及地震反射特征。地质上它是一个具阶段性的沉没过程,并由两个阶段的沉没层序来反映。两层序间可以是过渡的或以一真正的沉没不整合分割。早期阶段的沉没层序不总是向上变深的,它可以与Vail等提出的层序具类似的特征。地球化学上响应为常量和微量元素的突变性增高。地震剖面上则表现为明显的双相位反射和界面之上的盆底上超。研究表明塔里木盆地以晚期阶段的沉没为主。

Underfilled peripheral foreland basins develop in the initial stage of intercontinental orogenic belts.Their basin architectures are mainly controlled by the frontal thrust pattern in the foreland fold thrust belts.While in the basins controlled by the low angle,blind frontal thrusts,four discrete tectonic zones can be distinguished,namely,from orogen to foreland,wedge top,foredeep,forebulge,back bulge depozones.Three types of filling sequences are developed in the underfilled peripheral foreland basins:①underfilled...

Underfilled peripheral foreland basins develop in the initial stage of intercontinental orogenic belts.Their basin architectures are mainly controlled by the frontal thrust pattern in the foreland fold thrust belts.While in the basins controlled by the low angle,blind frontal thrusts,four discrete tectonic zones can be distinguished,namely,from orogen to foreland,wedge top,foredeep,forebulge,back bulge depozones.Three types of filling sequences are developed in the underfilled peripheral foreland basins:①underfilled trinity,developed in the initial forebulge regions,②the shelf drowning depositing sequence,developed in the part of foredeep depozones that are transformed from continental shelves,and ③a coursing upward,shoaling upward mega sequence,developed in the part of foredeep depozones transformed from the continental slopes,which is composed of re circled orogenic detrital turbidites and wedge top sediments.The stratigraphic constraints on the collision tectonics,found in underfilled peripheral basins,includes the transition surface of sediment dispersal direction,shelf drowning surface and forebulge unconformity surface,the age of which is equivalent to the beginning age of an intercontinental orogen.The analysis of the isochron maps of the above key surfaces is very useful for the identifying the collision pattern and history of an intercontinental orogen.

欠补偿周缘前陆盆地发育于陆间造山带的早期阶段。前陆褶冲带不同的前缘断裂活动样式决定了前陆盆地发育不同的结构。以低角度、盲逆冲活动为特征的前缘断裂所控制的前陆盆地发育了复杂的次级构造单元 ,具体可识别出楔顶、前渊、前隆和隆后 4个沉积带。这类前陆盆地发育了 3种类型的沉积序列 :1靠陆一侧初始前隆区发育的“欠补偿三位一体”充填序列 ;2前渊带靠陆一侧发育的陆棚沉没充填序列 ;3初始前渊深海—半深海区发育的沉积颗粒向上变粗、沉积环境向上变浅的沉积充填序列。欠补偿周缘前陆盆地沉积物扩散方向转换面、碳酸盐岩台地沉没不整合面等关键界面的时空位置是标定碰撞构造的主要地层学标志。

 
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