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海进海退     
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  transgressive-regressive
     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 CYCLES AND COAL ACCUMULATION OF UPPER PERMIAN,ZHINA COALFIELD IN GUIZHOU
     贵州织纳煤田晚二叠世海进海退旋回及煤聚积
短句来源
     Based on the stratigraphic sections, palaeonotogy, petrology and facies and regional transgressive-regressive sequences during Late Devonian-Carboniferous Period, four sea-level fluctuation cycles can be divided in southern China.
     根据华南地区上泥盆统一石炭系地层剖面、古生物、岩性岩相及区域性海进海退旋回沉积特征,可划分出四个海平面波动旋回。
短句来源
  transgression-regression
     Holocene Ostracoda Assemblages and Marine Transgression-Regression Cycle in the Northwestern Coastal Area of the Bohai Gulf
     渤海湾西北岸全新世介形类组合特征及海进海退旋回
短句来源
  marine transgression-regression
     Holocene Ostracoda Assemblages and Marine Transgression-Regression Cycle in the Northwestern Coastal Area of the Bohai Gulf
     渤海湾西北岸全新世介形类组合特征及海进海退旋回
短句来源
  progression regression
     (4) a large amount of carbonaceous fine clastic rock and carbonate rock occur alternately, indicating the changing of sediment environment of progression regression and oxidation reduction which is advantageous to the precipitation and enrichment of the ore forming elements;
     (4)盖层中大量含碳质细碎屑岩与碳酸盐岩石相间出现的岩性组合反映了海进海退、氧化还原的沉积环境变化,有利于成矿元素沉淀富集;
短句来源

 

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      transgressive-regressive
    The analysis of facies associations revealed that the formation was deposited as a symmetrical transgressive-regressive rock succession representing a common stratigraphic sequence.
          
    The sediments accumulated in the distal part of the epiplatformal basin as a symmetrical transgressive-regressive cycle.
          
    This value corresponds, however, to the terminal transgressive-regressive phase of the latter, i.e., rather to the Late Khalynian transgression than to its Early Khvalynian peak.
          
    The Dyupa Gully section is comprised of the deposits of two transgressive-regressive cycles.
          
    These phenomena might reveal a complex relationship between mass-extinction events and transgressive-regressive events.
          
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      transgression-regression
    Biota reduction is determined by sharp environmental changes, particularly by multiple alteration of opposite development trends (transgression-regression, warming-cooling, and others).
          
    Changing regularity in diversity of brachiopod is synthetically investigated based on qualitative and quantitative analysis of transgression-regression cycles.
          
    Mainly filled with carbonate rocks, the whole basin is composed of transgression-regression sedimentary cycle.
          
    This is followed by a final transgression - regression cycle during the Paleocene and Eocene, documented in the Zhepure Shan formation (?Upper Danian - Lutetian) and by Upper Eocene continental deposits.
          
    The theoretically computed duration of a transgression-regression period corresponds also with geological observations.
          
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      marine transgression-regression
    Through the Cretaceous and Tertiary, a series of ten or more marine transgression-regression cycles produced the wedge of Coastal Plain sediments.
          
      progression regression
    Because of these adaptive changes, plaque progression/regression is not closely reflected in luminal size.
          
    IVUS is currently the ideal imaging modality for clinical trials of atherosclerosis progression/regression.
          
    The growth pattern (progression/regression) of v-src DNA- and Rous sarcoma virus (RSV)-induced tumors was analogous on a panel of inbred chicken lines.
          
    Although plaque burden measurements did not differ significantly between systems, it appears prudent to recommend the use of a single system for progression/regression studies.
          


    This report relates to some branch of learning, e. g. biostratigraphy, petrostratigraphy, petrography of fossil, palaeoecology, sedimentology , palaeoclimatology, palaeomagnetism, minerology etc. It is a acadomic and synthetical study.

    根据岩石组合,古生物组合,沉积构造及剖面结构,将贵州早二叠世沉积相划分为四个相区、九个相带,它们是: 1.滨岸漫滩沼泽相 Ⅰ.陆地边缘相区 2.潮汐泥坪相 3.潮坪沼泽相 4.半局限台地相带 Ⅱ.碳酸盐台地相区 5.开阔台地相带 6.较深水台沟相带 7.碳酸盐合地边缘生物滩相带 Ⅲ .碳酸盐台地边缘相区8.碳酸盐台地边缘生物礁相带   Ⅳ.浅海盆地相区 9.浅海陆棚相带。 贵州早二叠世经历了一个完整的海进海退旋回,茅口早期是最大的海侵期,就沉积的演化而言,它大体经历了两个阶段。即第一阶段(栖霞早期)系清水和浊水混合的缓坡型沉积,其特征是:1.碳酸岩与碎屑岩共同发育;2.碳酸盐台地边缘礁滩相不发育。第二阶段(栖霞晚期至茅日晚期)为清水碳酸盐台地沉积,特征是:1.主要为碳酸盐岩,2.碳酸盐台地边缘生物滩礁带发育。

    Towards the end of Middle Ordovician,the earth crust was uplifted in thisarea.It stood as a land mass subjected to erosion and denudation till Middle Car-bonifcrous when sea water rushed in from the cast to west to the east of Boxianand Mcngcheng area.As a rcsult,a ferro--aluminium bed was formed on the paleo-erosional surface of the Ordovician system.Due to frequent transgressions and regressions during the Upper Carboniferousperiod,coal deposits were formed in alternated marine and continental facies,anda...

    Towards the end of Middle Ordovician,the earth crust was uplifted in thisarea.It stood as a land mass subjected to erosion and denudation till Middle Car-bonifcrous when sea water rushed in from the cast to west to the east of Boxianand Mcngcheng area.As a rcsult,a ferro--aluminium bed was formed on the paleo-erosional surface of the Ordovician system.Due to frequent transgressions and regressions during the Upper Carboniferousperiod,coal deposits were formed in alternated marine and continental facies,anda layer of ferro-aluminium was formed to the west of Boxian and Mcngchcng onthe weathered paleo-erosional surface of Cambrian-Ordovician system where Lepi-dodendron posthumii Jongm.et Goth.,etc.were found and Sphaeroschwagerinamoelleri Rauser etc.in its overlying stratum.So the age should be the UpperCarboniferous period,and the Middle series is absent here.The Linopteris neurop-teroides (Gutb.) Pot.was found in bed of ferro-aluminium in the eastern partof Boxian-Mengcheng line.The age of this bed should be the Middle Carbonife-rous period.Thus the bed of ferro-aluminium is a diachronous(time-transgressive)lithostratigraphic assemblage zone from east to west in this area.

    中奥陶世末,本区整体上升,长期处于剥蚀阶段。直到中石炭世再度遭受海侵。海水从东向西波及亳县—蒙城一线以东,在奥陶系古风化剥蚀面上形成了铁铝层。晚石炭世频繁的海进海退,在本区形成了海陆交互相的含煤沉积,亳县—蒙城一线以西在寒武—奥陶系风化剥蚀面上沉积了铁铝层,在该层中发现了斜方鳞木Lepidodendron posthumii Jongm.et Goth.,在其上覆的地层中发现了缪勒氏球希瓦格(竹蜓) Sphaeroschwageroschwagerina moelleri Rauser.,故该层时代为晚石炭世,缺失中石炭统沉积。在亳县—蒙城一线以东的铁铝层中发现了脉网羊齿 Linopteris neurop-teroides(Gutb.)Pot.,故其时代为中石炭世。为此本区奥陶系古老风化剥蚀面上铁铝层从东向西是一个穿时的岩石地层组合带。

    ABSTRACT Non-marine dinoflagellate fossil of middle cretaceous is very rare in the world.The dinoflagellate assemblage with unique features discovered in Member 3 of Quantou Formation-Yiaojia Formation belong to the mon-marine fossils living in lakes. This is their first discovery in China, which renews the interpretation of characteristics of the Songliao palaeo-basin in hydrocarbon generation stage of the largest continental oilfield in the world. The vertical variation of the dinoflagellate fossils in assemblage...

    ABSTRACT Non-marine dinoflagellate fossil of middle cretaceous is very rare in the world.The dinoflagellate assemblage with unique features discovered in Member 3 of Quantou Formation-Yiaojia Formation belong to the mon-marine fossils living in lakes. This is their first discovery in China, which renews the interpretation of characteristics of the Songliao palaeo-basin in hydrocarbon generation stage of the largest continental oilfield in the world. The vertical variation of the dinoflagellate fossils in assemblage reflacts a complte transgression-to-regression process and the corresponding lake-water change of brackish to fresh and a water temperature variation of cool to warm. The Songliao palaeo-basin was an open lake. During the biggist transgression at Cenoman stage, the palaeo-lake connected with eastern Asian palaeo-sea through palaeo-Songhuajiang river and due to the sea flood, the sea water entered into the lake. The Songliao palaeo-lake, therefore, is similar to the present-day Lake de Maracaibo.

    中白垩世非海相沟鞭藻化石在世界上极为罕见。松辽盆地泉头组三段——姚家组发现具有特殊面貌的沟鞭藻组合,属于生存于湖泊中的非海相化石,在国内是首次报道;重新解释了目前世界最大陆相油田油气生成时期的古松辽湖泊的性质。沟鞭藻类化石的垂向变化反映了一个完整的海进海退过程,湖水由微咸—半咸—微咸—淡和水温由凉—暖的变化。古松辽湖是一个开口湖,赛诺曼期最大海侵时,由于海侵,古松辽湖通过古松花江与古东亚细亚海相通,海水进入湖泊。因此,古松辽湖与今日马拉开波湖相似。

     
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