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海退层序
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  regressive sequence
     The upper layer sediment of core Q43 in the outshelf of the southern East China Sea shows that it is the regressive sequence of littoral facies to offshore facies and of representative significance.
     以Q43岩心为代表的东海南部外陆架上层沉积物,是末次冰期海退层序中,滨岸相-滨外浅水相沉积。
短句来源
     The discontinuity surfaces in the regressive sequence of B_2 core correspond to the erosion surfaces of chenier bases and rising phase of each sea level oscillation wave.
     B_2孔海退层序中曲不连续面与贝壳堤基底侵蚀面相对应,也与振荡波的上升坡段相对应。
短句来源
     The maximum flooding surface lying in estuarine - shallow marine muddy unit demarcates the underlying transgressive sequence and overlying regressive sequence.
     位于河口湾—浅海相中的最大海侵面将冰后期海侵沉积旋回分为其下的海侵层序和其上的海退层序.
短句来源
     The regressive sequence of littoral facies from 30 to 374 cm, including fine sandy silt (230~374 cm), and the low hydraulic condition and silty fine sand (30~230 cm), which indicates the high hydraulic condition is not integrated.
     钻孔30~374cm表现为一不完整的滨海相海退层序:下部的细砂质粉砂层,代表滨外浅水低能环境;
短句来源
  “海退层序”译为未确定词的双语例句
     HOLOCENE TRANSGRESSIVE-REGRESSIVE SEQUENCE IN YANGTZE DELTA AREA
     全新世长江三角洲地区的海进海退层序
短句来源
     Transgressive-Regressive Sequences of the Upper Paleozoic at the Wudang Section in Guiyang
     贵阳乌当上古生界的海侵—海退层序
短句来源
     The average ages of the minor(meter scale)cycle and cycle group of littoral tidal flat carbonate rocks of the transgressive regressive sequences 2 at Daguizhoutan are 33.3 ka and 400 ka,respectively,which are close to the slope period 34 ka and the long escentricity period 413 ka of the earth orbit prior to the Quaternary,respectively.
     4级为小旋回束、小旋回组,相应层序为小层序束、小层序组; 3级为海侵—海退旋回、复合海侵—海退旋回,相应层序为海侵—海退层序、复合海侵—海退层序
短句来源
     On the profile it is shown that there are two larger progression and regression cycles from the first member to the fourth member in Yanshiping Group and there are many secondary progression and regression sequences in each larger cycle,thus forming a series of interactive sediments of carbonate rocks and clastic rocks.
     从纵向组合来看 ,雁石坪群一段至四段大致经历了两次比较大的海进、海退旋回 ,在各次大的旋回中发育了多个次一级的海进、海退层序 ,形成了一系列的碳酸盐岩和陆源碎屑岩的交互沉积
短句来源
     Considering that the bottom of the first invasion of the transgressive-regressive cycle is the bottom of the transgressive-regressive sequence ,9.5 transgressive-regressive sequences were recognized on Givetian-Frasnian in Shaiheping, Guilin, from which 4. 5 Givetian Stage,5 Frasnian Stage,the time bound of each sequence,on average,is 1-1. 11Ma on Frasnian.
     桂林市海洋乡东4 km的晒禾坪地区,是极其难得的中、晚泥盆世露头层序地层研究地点。 本文以海侵—海退旋回的初始海侵面为层序的底界进行层序划分,将该区的吉维特期、弗拉斯期划分4.5、5个海侵—海退层序,每个层序时限约1 Ma。
  相似匹配句对
     HOLOCENE TRANSGRESSIVE-REGRESSIVE SEQUENCE IN YANGTZE DELTA AREA
     全新世长江三角洲地区的海进海退层序
短句来源
     Transgressive-Regressive Sequences of the Upper Paleozoic at the Wudang Section in Guiyang
     贵阳乌当上古生界的海侵—海退层序
短句来源
     (3) sequence stratigraphy;
     层序地层学;
短句来源
     SEQUENCE BIOSTRATIGRAPHY
     层序生物地层学
短句来源
     Some problems discussion is: 1. the transgression and regression in Holocene;
     1、全新世海侵与海退;
短句来源
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  regressive sequence
Their vertical and lateral variations suggest a regressive sequence.
      
In the facies succession, a main transgressive-regressive sequence could be identified.
      
The result is a regressive sequence several meters thick.
      
  regression sequence
However, under certain circumstances a simple regression sequence can produce valuable information about the true causalities.
      


The bedded and bed-like Devonian delostones in the Xianghualing area are distributed mainly in the intertidal grain facies and subtidal facies of gentle slope in regressive sequen-ce. Most of the dolostones are granular in form and a few of them exhibit relict texture. Dolomites in the dolostones occur mostly as medium-coarse euhedral-subhedral crystals and some of them exhibit such a texture as to replace micrite and intraclasts. The Mg/Ca ratio and ordered texture of the dolomites are similar to those of stoichiometrically...

The bedded and bed-like Devonian delostones in the Xianghualing area are distributed mainly in the intertidal grain facies and subtidal facies of gentle slope in regressive sequen-ce. Most of the dolostones are granular in form and a few of them exhibit relict texture. Dolomites in the dolostones occur mostly as medium-coarse euhedral-subhedral crystals and some of them exhibit such a texture as to replace micrite and intraclasts. The Mg/Ca ratio and ordered texture of the dolomites are similar to those of stoichiometrically ordered dolo-mites. The dolomites have low Sr(49 ppm) and Na(170 ppm) contents and more negative σ18O values (-9.3‰).The above characteristics indicate that the mechanism of formation of the dolostones can be explained by replacement of the primary sediments by seawater mixed with fresh water during diagenesis. Mg2+ required for dolomitization comes chiefly from allochthonous sea-water. The dolomitizing solution (i.e., the mixing water) is characterized by lower mMg2+ mCa2+ ratio and higher Co32- ion activity. The diagenetic environment of the dolostones is a mixing water zone. The mechanism of dolomite formation is suggested to be similar to the mechanism of transformation of aragonite into calcite during diagenesis.

湘南香花岭地区泥盆系层状、似层状白云岩主要分布于海退层序中的潮间粒屑滩相和潮下缓坡相。根据白云岩的分布、结构构造、主成分(CaO和MgO)和白云石的有序度、痕量元素(Sr、Na)含量和氧同位素组成等特征,认为白云岩是成岩作用期间,由混合水交代原沉积物而形成的,而白云石的形成机理类似于文石成岩转变为方解石的机理。

Recently, carbonate tcmpstitcs have been discorvcry in some places of China .This paper will report terrigenous clastic tcmpcstitcs.

本区马底驿组陆屑风暴岩的沉积构造非常清晰,其中有丘状交错层理、差异层理、层面构造、袋模、渠模、韵律层理和多种准同时变形构造.剖面可分为由块状层和韵律层组成的八个一级韵律,块状层为含砾泥质粉砂岩,韵律层由一系列二级韵律组成.根据沉积构造特征,自下而上划分为:斜坡带风暴浊流沉积、外陆棚风暴碎屑流沉积和陆棚风暴碎屑流沉积,海水逐渐变浅,为一海退层序

Kezisuhumu section belongs to the members Five and Six of Kuerkake Formation and Kezisuhumu Formation in the Upper Sinian series based on the newest information of micro-paleoplants, hyolithids and isotopicage etc. The original sedimentary structure, such as large-scale crossbed, planar cross-bedding, swash bedding, graded bedding and various ribble marks, is developed in the sediments in the section. The rock types discriminated consist of orthoquartzite, quartzitic sandstone, mudstone, shale, thrombolite-dolomite...

Kezisuhumu section belongs to the members Five and Six of Kuerkake Formation and Kezisuhumu Formation in the Upper Sinian series based on the newest information of micro-paleoplants, hyolithids and isotopicage etc. The original sedimentary structure, such as large-scale crossbed, planar cross-bedding, swash bedding, graded bedding and various ribble marks, is developed in the sediments in the section. The rock types discriminated consist of orthoquartzite, quartzitic sandstone, mudstone, shale, thrombolite-dolomite and fine-powder crystal dolomite etc. The frequency cumulative distribution curves can be divided into Ⅰ—Ⅲ types.

按照微植物化石、软舌螺类、同位素等最新资料,克孜苏胡木剖面归属于上震旦统库尔卡克组五、六段和克孜苏胡木组。该剖面沉积钧中发育大型槽状交错层理,平面交错层理、冲洗层理、粒序层理和各种波痕等原生沉积构造。主要岩石类型为沉积石英岩,石英岩状砂岩,泥(页)岩和凝块石白云岩,细、粉晶白云岩等。粒度累积概率曲线可分为Ⅰ—Ⅲ型。分析研究上述各段相标志后确定:克孜苏胡木组第四段属有障壁海岸潮坪亚相,剖面的其余各段分属于无障壁海岸前滨、近滨亚相、离岸浅滩微相及滨外陆棚浊沈沉积。上述不同的沉积相在纵向上的分布显示了两个完整的海退层序

 
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