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海退
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  marine regression
     The barrier-lagoons belong to marine regression type.
     本区的沙坝泻湖属于海退型。
短句来源
     The δ13C value of marine organic carbon in the Changxing Stage in southern China is 3‰o to 7‰ lighter that of modern marine depositional organic matter, this was principally due to the high concentration of CO2 in ocean and atmosphere brought about by global marine regression and vocanic activities during the Changxing Stage.
     长兴期中国南方海相沉积有机质δ~(13)C_(org)相对于现代海相沉积有机质δ~(13)C_(org)偏轻3‰~7‰,造成这一现象的主要原因可能是晚二叠世全球大范围的海退和火山活动所引起的大气及海水中CO_2含量的升高。
短句来源
     In order to determine a mapping method for sequence stratigraphy lithofacies and paleogeography,the mapping test for sequence stratigraphy lithofacies and paleogeography of the Late Permian reef in Sichuan Basin was carried out. Eight maps of sequence stratigraphy lithofacies-paleogeography were given,on the basis of the isotime surface of each sequence at lower point of marine regression and high point of marine transgression in the Late Permian reef in Sichuan Basin.
     为了探索层序地层岩相古地理编图方法 ,对四川盆地晚二叠世生物礁层序地层岩相古地理进行了编图试验 ,以四川盆地晚二叠世生物礁各层序地层的海退低点及海侵高点作为相对等时面编制了 8幅层序地层岩相古地理图。
短句来源
     The three ecology assembalge was associated with the changes of sea-level during the Cambrian : the Lower-Cambrian progression series, the Middle-Cambrian to the early of the Upper-Cambrian progression series, and the late of the Upper-Cambrian marine regression series.
     研究表明,这三个组合的相继出现与该区寒武纪海平面变化密切相关,依次指早寒武世的海侵系列、中寒武世至晚寒武世早期的海侵系列和晚寒武世晚期的海退系列。
短句来源
  “海退”译为未确定词的双语例句
     According to the identification of the sequence boundaries and the analysing results of biota and sedimentary facies on the Early Paleozoic stratigraphies, three mesosequences (SME1, SME2 and SME3), six sequence assemblages (SSA1, SSA2, SSA3, SSA4, SSA5, SSA6), and twenty-one sequences at least or T-R cycles (transgression-regression cycle) can be recognized in the Yangtze Gorges area.
     根据层序界面的识别,结合沉积相和生物群特点分析,指出长江三峡地区早古生代时期大致可识别出3个中层序(SME1,SME2和SME3),6个层序组(SSA1,SSA2,SSA3,SSA4,SSA5和SSA6)和21个层序或T—R旋回(海进-海退旋回)。
短句来源
     The analysis of the stable isotope of carbon and oxygen from the carbonates shows that there was a transgression event at 83.3 Ma and a regression event at 82.8 Ma in SongliaoBasin.
     碳酸盐岩中碳、氧同位素分析显示松辽盆地在83.3 Ma左右发生了海侵事件,在82.8 Ma左右发生了海退事件。
短句来源
     SEDIMENTATION AND GEOLOGIC SIGNIFICANCE OF FORCED REGRESSION
     强制海退沉积作用及其地质意义
短句来源
     Based on principle and methods for base level cycle, the drilling, well logging, seismic and geochemical data from Hadexun area are analyzed. One I-type and three II-type sequence interfaces of Lower Carboniferous are recognized, and three medium-term base level cycles (SC_1, SC_2, SC_3) corresponding to three transgressive-regressive cycles are classified.
     依据基准面旋回原理和方法,综合利用哈得逊地区的钻井、测井、地震以及地球化学资料,在研究区下石炭统识别出1个Ⅰ型和3个Ⅱ型层序界面,将哈得逊地区下石炭统划分为3个中期基准面旋回:SC_1、SC_2、SC_3,对应于早石炭世海侵的3个海进-海退旋回。
短句来源
     QUATERNARY TRANSGRESSIONS,EUSTATIC CHANGES AND SHIFTING OF SHORELINE IN EAST CHINA
     中国东部第四纪海面升降、海侵海退与岸线变迁
短句来源
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  相似匹配句对
     Some problems discussion is: 1. the transgression and regression in Holocene;
     1、全新世海侵与海退;
短句来源
     SEDIMENTATION AND GEOLOGIC SIGNIFICANCE OF FORCED REGRESSION
     强制海退沉积作用及其地质意义
短句来源
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  marine regression
The fraction of Fe-sulphides increases and becomes the dominant minerals determining the magnetic characteristics in grey-black organic-rich clay horizons, indicating an anoxic, sulphate-reducing swamp environment resulting from a marine regression.
      
During climate cooling and associated marine regression, permafrost aggradation takes place due to the low temperatures and the direct exposure of the shelf to the atmosphere.
      
Additional analysis using subsets of the data or recoding periods of anoxic water as periods of reduced habitable area (in addition to marine regression) also failed to show a significant association.
      
The decrease in S, and the increase in siderite-Fe, can be attributed to decreasing marine influence, as a result of the marine regression at the Pliocene-Pleistocene transition.
      
The second phase of the model, marine regression, can only explain the colonization of the region by the ancestor; the subsequent evolution and speciation at a smaller scale remain to be explained.
      
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  reliction
Reliction predicts that the Caribbean/East PaciWc fauna must be in excess of 15 my old, with origins derived from Indian Ocean associated lineages.
      
The latter may be distinguished from reliction by the sister taxa to the New World Halichoeres having PaciWc rather than Indian Ocean origins.
      
We observed an effect of on TEARS formation at 4 hours but not 24 hours ciftcr the initiation of the reliction.
      
  retreating sea
Ice-edge-related phytoplankton blooms following the retreating sea-ice in the marginal ice zone are frequently observed phenomena.
      
The spatial extent of the bloom was closely related to the density field induced by the input of meltwater from the retreating sea ice.
      
As a consequence of the progressive rapid change of the natural environment caused by the flat topography and land upheaval, the settlements were regularly relocated to keep pace with the westwards retreating sea.
      
This latter result is evidence that retreating sea ice, albeit modestly, could be responsible for weakening the convection.
      


The Haicheng earthquake (Feb. 4, 1975, M=7.3) has caused the extensive liquefaction of sand in the Lower Liaohe River region, which expressed itself as ejected water and sandflows, sundken lands and sandy holes on ground surface, ground drumlings, landslides and ground fissures.According to the degree of ejection and ground failure the liquefied region may be classified into three areas different in hazard, i. e. intensive( I ), moderate(Ⅱ) and weak (IE). The liquefied region in the Lower Liaohe River has been...

The Haicheng earthquake (Feb. 4, 1975, M=7.3) has caused the extensive liquefaction of sand in the Lower Liaohe River region, which expressed itself as ejected water and sandflows, sundken lands and sandy holes on ground surface, ground drumlings, landslides and ground fissures.According to the degree of ejection and ground failure the liquefied region may be classified into three areas different in hazard, i. e. intensive( I ), moderate(Ⅱ) and weak (IE). The liquefied region in the Lower Liaohe River has been a regression area in Holocene period, covered by a layer of clayey soil with a thickness of 2-5m. This layer is thinner in the intensive hazard area with a higher aquifer head, but thicker in the weak hazard area with a lower head.The monograin structure of ejected sands shows the loosening nature of liquefied sandy layer. In the intensive hazard area the sand grains ejected are found to be coarser. According to the present analysis of sand grains it is concluded that the roundness of grains is of less importance in determining whether a sandy soil can be readily liquefied or not.

海城地震引起下辽河平原大面积砂土液化,液化震害有喷水冒砂、陷落砂坑、地滑移等等。液化区是全新世海退之地,震害严重区地表粘性土层薄,承压水头高;震害轻微区地表粘性土层厚,承压水头低。喷砂颗粒的单粒结构表明液化砂层具有松散的特点,砂颗粒的滚圆度在液化难易上不起主要作用。

The Upper Permian System Longtan coal measure in the Changguang coal deposit is a complete sedimentary cycle, consisting of a regressive and a transgressive series.C seam was deposited in the initial period of transgression. It is a kind of in-situ bark liptobiolites containing a large quantities of marine animal fossils of different phylum.Based on the investigation of sedimentary features of the coal measure, efforts were concentrated on the lithological characteristics of the coal seam, immediate roof and...

The Upper Permian System Longtan coal measure in the Changguang coal deposit is a complete sedimentary cycle, consisting of a regressive and a transgressive series.C seam was deposited in the initial period of transgression. It is a kind of in-situ bark liptobiolites containing a large quantities of marine animal fossils of different phylum.Based on the investigation of sedimentary features of the coal measure, efforts were concentrated on the lithological characteristics of the coal seam, immediate roof and floor, and their paleontological and petrographical characteristics. The author puts forward the view that the coal is of marine origin and holds that C seam in the Changguang coal deposit was formed in a very shallow sea environment near the land strand line (intertidal zone).

长广煤田上二迭统龙潭含煤岩系是由海退系列和海进系列组成的一个完整沉积旋回。C煤层沉积处在海进的初期,它为富含多门类海相动物化石的原地树皮残植煤。作者在含煤岩系沉积特征研究的基础上,着重研究了煤层及其直接顶底板的岩性、古生物和岩相特征,提出了海相成煤的认识,即长广煤田C煤层是在陆表海滨线(潮间带)附近的极浅海水的环境中形成的。

During the Early Triassic Period, this area was located on the northern margin of Jiangnan old Land, as a carbonate platform in Jiangsu Chekiang Anhui epeiric sea on the Lower Yangtze Platform. The lower Qinglong group was developed quite cmpletely here, and may be divided into three formations: Yinkeng formation Helong shan formation and Biandanshan formation.According to the variety of carbonate rocks, their sedimentary features and fossil assemblages, it is shown that Qinglong limestone of this area belongs...

During the Early Triassic Period, this area was located on the northern margin of Jiangnan old Land, as a carbonate platform in Jiangsu Chekiang Anhui epeiric sea on the Lower Yangtze Platform. The lower Qinglong group was developed quite cmpletely here, and may be divided into three formations: Yinkeng formation Helong shan formation and Biandanshan formation.According to the variety of carbonate rocks, their sedimentary features and fossil assemblages, it is shown that Qinglong limestone of this area belongs to a system of coast-tidal flat and lagoon with some barriers. And we can subdivide it into eight subfacies. Through the study of vertical sequence and sedimentary patterns, the carbonate depositional cycle has been considered as a more ideal regressive one.On combined analysis of the data from field and laboratory, the authors have recognized that inclosed in the oncolite dolomitic sparite limestone ane dolomitic limestone on the intertidal bank are prospective reservoirs. Therefore, it is an important topic to research in to this kind of facies belts and their extension.

牛头山青龙灰岩是在温暖、浅水、以潮汐作用为主的碳酸盐台地上发育的中——低能沉积物,属有障壁的海岸——潮坪泻湖体系。依据其岩石类型、沉积特征及所含古生物,进一步可分出三个组合八个亚相。通过垂向相序及沉积模式的研究,表明它是一个海退的碳酸盐沉积旋回(序列)。结合区域性分析,广泛分布于苏、浙、皖三省的中下三迭统青龙灰岩具有自生、自储、自盖的成油组合,有良好的含油气远景。

 
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