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- It is characterized not only by typical flysch features such as rhythmic sedimentation of turbidites and cast molds, but particularly by cyclic sedimentation forming a cyclic sequence. 留凤关群,早有人认为属复理石沉积,不过都未提出具体资料。1954年,靳予贵在其所绘地质图中标出“复理石式沉积”。
- Reference Surface cyclic Sequence 基准面旋回
- These cyclic sequences are overlain by the lagoon dolomitic mudstones and shales. 米级旋回层序之顶覆以厚度不等的?
- The short-term base-level cyclic sequences in the third oil reservoirs of the Yanchang Formation in the Huachi Oil Field, Ordos Basin are examined on the basis of well logs and high-resolution sequence stratigraphy. 摘要本文运用高分辨率层序地层学的基准面旋回原理,以钻井、测井资料的综合研究为基础,对华池油田长3油层组进行短期基准面旋回层序分析,将其划分为向上“变深”非对称型、向上“变浅”非对称型与对称型3种基本层序类型和更多的亚类型。
- Lys is the most abundant residue when only "single" cyclic sequences are taken into account. 若仅考虑“单一”环状序列时,组成中赖胺酸出现之频率最高。
- These cyclic sequences may be divided into three types:"deepening"-upward asymmetrical type,"shallowing"-upward asymmetrical type and symmetrical type. 运用旋回等时对比法则对短期基准面旋回层序进行等时对比,并建立等时地层格架。
- The complex of sand bodies developed in a cyclical sequence of off-lapping sedimentary beds. 砂岩复合体发育于退覆沉积层的旋回层内。
- The complex of sand bodies developed in a cyclical sequence of off-lappings edimentary beds. 砂岩复合体发育于退覆沉积层的旋回层内。
- Different types of meter-scale cyclic sequences in stratigraphical records are the outcomes of episodic accumulation of strata related to Milankovitch cycles. 与米兰柯维奇旋回存在成因联系的幕式地层堆积作用的结果,是在地层记录中形成各种类型的米级旋回层序。
- These cyclic sequences may be divided into three types: "deepening"-upward asymmetrical type, "shallowing"-upward asymmetrical type and symmetrical type. 运用旋回等时对比法则对短期基准面旋回层序进行等时对比,并建立等时地层格架。
- These biostromes and bioherms, together with tidal-flat dolomicrite and muddy dolostone, form circum-tidal flat meter-scale carbonate cyclic sequences with symmetrical facies sequences and fabrics. 它们与潮坪相泥晶白云岩和泥质白云岩构成具对称相序组构的环潮坪型碳酸盐米级旋回层序。
- In video disk, a consecutive sequence of frames. 在视频光盘上,一种连续的帧序列。
- She made a sequence of dance movements. 她做了一个连续的舞蹈动作。
- Elevation and subsidence of base level,accompanying change of accommodation space,leading to denuda- tion,transportation,passing by,sedimentation or undercompensation of sediments in various facies tracts,would re- sult in cyclic sequences. 基准面升降伴随着可容纳空间的变化,导致沉积物在不同相域发生剥蚀、搬运、过路、沉积或欠补偿作用而形成旋回性沉积地层。
- Put the mixed historical facts in sequence. 将混淆的历史事件按顺序排列。
- We will deal with events in historical sequence. 我们将按照历史上的先后顺序研究这些事件。
- THE FRAMWORK OF CYCLIC SEQUENCE,CAMBRIAN IN CENTRAL PART OF GUIZHOU PROVINCE 黔中寒武纪旋回地层层序格架
- Farmers met with a sequence of bad harvests. 农民们遇到了接二连三的坏收成。
- He described the events of that day in sequence. 他按先后次序描述了那一天发生的种种事件。
- The twelfth in a set or sequence. 第十二个在一套或一系列中的第十二个