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低水位期的英文

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"低水位期"怎么读用"低水位期"造句

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  • low-stand

例句与用法

  • That the black mudstone deposited in deep water interbedded with salt and gypsum deposited in shallow water shows that during the sedimentation of 3 ( superscript rd ) and 4 ( superscript th ) sub - member , the lake level changes frequently
    也正是由于湖平面变化频繁,在沉积中心的周围主要物源方向上形成一系列低水位期的砂体。
  • Regarded regional unconformity , transformation basement of tectonic regime , incised water channels , discontinuous surface of sidementary facies and exposed surface of lowstand as boundary of sequence , the palaeozoic in the researched area can be divided into three supersequence and fourteen sequence
    以区域不整合面、构造体制转换面、水道下切谷、沉积相突变面及低水位期暴露面作为层序界面,将研究区古生界划分为3个层序组和14个层序。
  • Besides , the sedimentary facies of upper ganchaigou and lower ganchaigou formation were also mapped in supersequences which are the main target strata for exploration . the high resolution sequence stratigraphic framework showed the genetic relationship between the distributions of sedimentary facies and their tectonic settings . the near - source sedimentary systems such as subaqueous alluvial fan and lake - floor fan are often deposed in rise - hemicycles in the steep slope background in the north , the coarse lithology of fan - delta prograded from north to south in fall - hemicycles , and the braided stream facies are formed in the rise - hemicycles in gentle slope background in the south , braided stream facies prograded from sorth to north in the fall - hemicycles , but the lacustrine facies and salt lake facies developed in the middle part of the area
    详细的沉积相研究发现,红狮地区第三系发育有冲积扇、水下冲积扇、河流、三角洲、扇三角洲、湖泊和湖底扇7种主要沉积相类型,并对作为区内主要勘探目的层系的下干柴沟组和上干柴沟组进行了以超层序为单位的沉积相平面编图,以较高的时间分辨率揭示了区内沉积相带的平面展布及其在不同构造背景中的分布规律,比如在北部的凹陷陡坡背景下,上升半旋回低水位期通常发育有水下扇、湖底扇等陡岸近源特征的沉积体系,下降半旋回高水位期,扇三角洲相粗碎屑岩由北向南进积;在南部的凹陷缓坡背景下,上升半旋回主要发育辫状河流相,下降半旋回辫状河三角洲相由南向北进积;而中部红柳泉一狮子沟一带则为湖泊相沉积和盐类沉积。
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