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陆相层序     
相关语句
  terrigenous sequence
    But terrigenous sequence of type Ⅱ lacks LST.
    而Ⅱ型陆相层序缺失LST。
短句来源
    While terrigenous sequence of type Ⅱ lacks LST.
    而Ⅱ型陆相层序缺失LST。
短句来源
    DISCUSSION ABOUT INFLUENCING MECHANISM OF STRUCTURE FACTOR ON THE FORMATION OF TERRIGENOUS SEQUENCE IN BIYANG FAULT-DEPRESSION
    试论构造因素对泌阳断陷陆相层序形成的影响机制
短句来源
    Accommodation Mechanics of Terrigenous Sequence Development in Fault depressed Lacustrine Basin——A Case Study: the Upper Member of E h 3,Shuanghe-Zhaoao,Biyang Fault depression
    泌阳断陷双河—赵凹地区下第三系核三上段陆相层序发育的可容空间机制
短句来源
    LITHOLOGIC-GEOCHEMICAL CYCLICITY IN EVERY SYSTEM TRACT OF TERRIGENOUS SEQUENCE IN THE UPPER MEMBER OF Eh3 BIYANG FAULT DEPRESSION
    泌阳断陷下第三系核三~上段陆相层序各体系域岩石地球化学旋回性特征
短句来源
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  continental sequence
    Understandings of the continental sequence stratigraphy——An example from 1∶50000 regional survey of Minhe basin,Gansu Province
    对陆相层序地层的一些认识——以甘肃民和盆地1∶5万区域地质调查为例
短句来源
    Continental Sequence Stratigraphy Study of Gaoyou Sag in Subei Basin.
    苏北盆地高邮凹陷陆相层序地层研究
短句来源
    On the Feasibility of the Four Division Scheme about Continental Sequence Stratigraphy
    论陆相层序地层学四分方案的可行性
短句来源
    Geochemical Methods for Identification of Continental Sequence Interfaces
    识别陆相层序界面的地球化学方法
短句来源
    SOME PROBLEMS IN STUDY OF CONTINENTAL SEQUENCE STRATIGRAPHY
    陆相层序地层学研究中的某些问题
短句来源
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  continental sequences
    The transgressive systems tract of the continental sequences in the Biyang fault depression:oil and gas geological significance
    试论泌阳断陷陆相层序水进体系域的油气地质意义
短句来源
    Three continental sequences may be recognized for the upper member of the Eogene Hesan Formaion in the ShuangheZhao'ao area of the Biyang fault depresion,where the sedimentary facies display a facies pattern of alluvial fanfan deltalake from south to north.
    泌阳断陷双河—赵凹地区下第三系核三组上段可划出三个陆相层序,其沉积相由南而北表现为冲积扇—扇三角洲—湖相配置型式。
短句来源
    Aimed at promoting the development of continental Sequence Stratigraphy in China, this paper gives a helpful discussion on the adaptability of Sequence Stratigraphy theory in the study of continental sedimentary basins,the genesis of continental sequences,the specific methods of research etc.
    本文就层序地层学理论在陆相沉积盆地研究中的适应性问题、陆相层序成因和具体研究工作方法问题等作了有益的探讨,旨在促进国内陆相层序地层学的发展。
短句来源
    The main control factors of sequence formation are tectonics and climate change in continental sequences of Yanchang Group in North Shaanxi Province.
    在陕北地区延长组陆相层序地层中 ,层序形成的主要控制因素是构造运动和气候变化。
短句来源
    The controlling factors and formation mechanism of the continental sequences are important research field in continental sequence stratigraphy.
    陆相层序的控制因素与形成机制是陆相层序地层学研究的一项重要内容。
短句来源
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  terrigenous sequences
    According to the facies migration characteristics and superimposing patterns of system tracts in the reference well, the standards for identifying two types of terrigenous sequences (type Ⅰand Ⅱ) and for their system tracts have been established.
    根据参照井处的沉积相迁移特征及体系域叠置样式 ,建立了在参照井的背景下 ,Ⅰ型与Ⅱ型陆相层序划分及其层序界面判识标准 ,以及低水位体系域 (LST)、水进体系域 (TST)、高水位体系域 (HST)及水退体系域 (RST)的识别模式。
短句来源
    Play Types and Distribution Patterns in Terrigenous Sequences in Steep Slope Zone Biyang Fault-depressed Lacustrine Basin
    泌阳断陷湖盆陡坡带陆相层序油气成藏类型及分布规律探讨
短句来源
    and by using well B207 as reference well,the terrigenous sequences of the upper member of E h 3 have been divided;
    以泌207井作为参照井,对下第三系核三上段的陆相层序进行了划分;
短句来源
    The upper member of Eh3 in the Biyang fault depression can be classified as three terrigenous sequences,and each of them consists of TST, HST and RST.
    泌阳断陷下第三系核三上段可划分为三个陆相层序(S4、S5和S6).每一层序自下而上发育TST、HST和RST三个体系域。
短句来源
    Sequence set Ⅱ D,meaning the upper member of Eh 3 which is a target of exploration in Biyang fault depression, includes three terrigenous sequences which depositional system is fluvial fan~fan delta~lacustrine in Shuanghe~Zhaoao area.
    泌阳断陷层序组ⅡD(即核三上段)是其油气勘探的主要目的层段,其中包含三个陆相层序,在双河—赵凹地区表现为冲积扇—扇三角洲—湖相沉积体系配置。
短句来源
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      terrigenous sequence
    The terrigenous sequence differs from the younger flysch sediments by a relatively small thickness, predominantly clayey composition, and absence of rhythmic bedding and large erratic blocks.
          
    Relative to the terrigenous sequence the flysch-olistostrome sequence, which hosts ore-bearing allochthons, is distinguished by the primary attitude, greater abundance of ore clasts, and higher extent of ore disintegration.
          
      continental sequences
    Early Triassic extensional faulting of basement blocks provided stepwise addition of accommodation space for continental sequences by growth faulting along north-south oriented fault zones blocks on the flanks of the East Netherlands High.
          
    azoreum are closely related and only found in the Azores archipelago, but when compared to continental sequences of N.
          
      terrigenous sequences
    Sources of Zircons from Cretaceous and Lower Paleogene Terrigenous Sequences of the Southern Koryak Upland and Western Kamchatka
          
    Thus, results of dating of detrital zircon grains from sandstones, which did not experience heating above 215-240°C, indicate that this method is appropriate for dating fossil-free terrigenous sequences.
          
    The Lithogenic Nature of Some Gold Deposits in Carbonaceous-Terrigenous Sequences
          
    Carbonaceous-terrigenous sequences hosting the largest gold deposits in Russia are divided for the first time into two lithochemical (normal potassic and anomalous sodic) rock types.
          
    This work presents first data on age estimates of detrital zircons from Upper Mesozoic terrigenous sequences of the South Anyui suture zone obtained by the fission-track method.
          
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    The 2738m-thick Jurassic in Toutmnhe area.Junggar Basin,was studied by field measuring and description, paleo-current-direction analysis,point counting of mineral composition and by scanning electronic microscope. Four sedimentary facies types have been differentiated: (1)Gravelly fluvial deposits in the wetland. Badaowan Formation is characterized by ribbon and composite-sheet conglomerate and sandstone bodies oc-curing frequently along the profile. They show some monotonous current-direction and normally situate...

    The 2738m-thick Jurassic in Toutmnhe area.Junggar Basin,was studied by field measuring and description, paleo-current-direction analysis,point counting of mineral composition and by scanning electronic microscope. Four sedimentary facies types have been differentiated: (1)Gravelly fluvial deposits in the wetland. Badaowan Formation is characterized by ribbon and composite-sheet conglomerate and sandstone bodies oc-curing frequently along the profile. They show some monotonous current-direction and normally situate directly upon or beneath the coal seams or carbonaceous mud. These facts might suggest that some major chan-nel(3-5m deep and up to 100m wide) and minor distributary or crevasse channels ever occurred in the wetland. These low-sinuousity rivers could be apt to migrate in the alluvial-fan plain by abrupt crevassing and a-bandonment during high stage. (2)Sandy low-sinuousity river deposits. In several time spans of Jurassic (Late Sangonghe,Early Xishanyao,Toutunhe and Qigu stages) ,similar river system seemed to occur in the studied area. The channel facies are distinctly seperated from the interchannel facies ,along the profile ,suggesting pe-riodic localization of the low-sinuousity river in the flooded plain. Channel size can be detected from the thickness of each mono-storey sandstone body (less than 2m,3-7m, greater than 12m) and might be controlled by climate and tectonic regime. Climate aridization and tectonic uplifting would lower the base level and enhance the stream power,thus resulted in larger river like that in Toutunhe Formation. Besides,some ephemeral channels might occur in Late Toutunhe stage. (3) Delta-front facies of Lower Badaowan, Sangonghe and Karaza Formation. (4)Open-lake facies represented by the thick grayish green shale sequences of Lower and Middle Sangonghe Formation.

    准噶尔盆地头屯河地区侏罗系陆相层序包含4种沉积:(1)冲积扇平原湿地中的砾石质河流沉积(八遭湾组),其特征提示在湿地中发育了规模不同的大河道(深3—5m,宽1OOm左右)及较小的分流或决口河道(深2m以下,宽6—30m)。(2)沙质低弯度河沉积,晚三工河、早西山窑、头屯河及齐古组沉积期的河流沉积属之。其特点是河道相与河间相间的界线清楚,提示河道在某一段时期固定于平原的特定地带;河道规模受古气候和构造的制约;气候干旱化和构造抬升(如头屯河组沉积时期),侵蚀基面降低,河流动力增加,因而河流规模变大,反之变小;晚头屯河组沉积期的干旱气候存在暂时性河道。(3)三角洲前缘沉积(河口中坝),见于八道湾、三工河及喀拉扎组中。(4)开阔湖相沉积,以三工河组厚的页岩层序为代表。 砂岩成分逆向反映源区剥蚀顺序。下侏罗统富含泥质岩屑,表示天山上古生界浅变质及沉积层系被剥蚀。自下而上,碎屑中稳定矿物增加,粒度变细,反映源区由于剥蚀而后退。中—上侏罗统砂岩成分演化方向不同于下侏罗统,可能与三工河组沉积末期盆地边缘构造回春有关。在Q-F-L三角图中,侏罗系样品大都落在构造区之间,反映陆相盆地充填物的混合来源。下—中侏罗统的煤...

    准噶尔盆地头屯河地区侏罗系陆相层序包含4种沉积:(1)冲积扇平原湿地中的砾石质河流沉积(八遭湾组),其特征提示在湿地中发育了规模不同的大河道(深3—5m,宽1OOm左右)及较小的分流或决口河道(深2m以下,宽6—30m)。(2)沙质低弯度河沉积,晚三工河、早西山窑、头屯河及齐古组沉积期的河流沉积属之。其特点是河道相与河间相间的界线清楚,提示河道在某一段时期固定于平原的特定地带;河道规模受古气候和构造的制约;气候干旱化和构造抬升(如头屯河组沉积时期),侵蚀基面降低,河流动力增加,因而河流规模变大,反之变小;晚头屯河组沉积期的干旱气候存在暂时性河道。(3)三角洲前缘沉积(河口中坝),见于八道湾、三工河及喀拉扎组中。(4)开阔湖相沉积,以三工河组厚的页岩层序为代表。 砂岩成分逆向反映源区剥蚀顺序。下侏罗统富含泥质岩屑,表示天山上古生界浅变质及沉积层系被剥蚀。自下而上,碎屑中稳定矿物增加,粒度变细,反映源区由于剥蚀而后退。中—上侏罗统砂岩成分演化方向不同于下侏罗统,可能与三工河组沉积末期盆地边缘构造回春有关。在Q-F-L三角图中,侏罗系样品大都落在构造区之间,反映陆相盆地充填物的混合来源。下—中侏罗统的煤既有原地生成,亦有重要的他生类型。

    Some positive results of sequence stratigraphic analysis in the East Chian Sea Shelf Basin are elaborated in this paper. (1)Confirm and perfect sequence boundaries of Qujiang and Xihu Troughs. (2)Analyse the systems tracts of some sequences that may have oil/gas, that is, the systems trades of sequences (T6°-T5°)at the beginning of basin and marine sedimentary sequences (T5°-T3°)in Oujiang Trough ; the systems tracts of transitional sedimentary sequences (T3~4-T3°,)and Alluvial and lacustrine sediments sequences...

    Some positive results of sequence stratigraphic analysis in the East Chian Sea Shelf Basin are elaborated in this paper. (1)Confirm and perfect sequence boundaries of Qujiang and Xihu Troughs. (2)Analyse the systems tracts of some sequences that may have oil/gas, that is, the systems trades of sequences (T6°-T5°)at the beginning of basin and marine sedimentary sequences (T5°-T3°)in Oujiang Trough ; the systems tracts of transitional sedimentary sequences (T3~4-T3°,)and Alluvial and lacustrine sediments sequences (T3°-T2~4)in Xihu Trough. Summarized the relationship between systems tracts with oil/gas that had already been found in Xihu Trough. Recommend the possible position of non-structural trap, offer important data for petroleu.m prospecting.

    本文从研究方法的角度,总结了近年来对东海陆架盆地层序地层研究的部分成果。(1)确定和完善了瓯江凹陷和西湖凹陷的层序格架。(2)分析了这两个凹陷中主要油气目的层段的体系域发育情况,即在瓯江凹陷中分析了盆地发育初期(T_6~0~T_5~0)两个层序的体系域发育情况,以及T_5~0~T_3~0中海相层序的体系域发育情况;在西湖凹陷中分析了海陆过渡相层序(T_3~1~T_3~0)和陆相层序(T_3~0~T_2~1)的体系域发育情况。(3)总结了体系域与油气之间存在的关系;指出了非构造圈闭可能存在的位置,为进一步的油勘探提供依据。

    Sequence stratigraphy of continental strata which are greatly different from those ofmarine strata is an important branch in the field of sequence stratigraphy. The developments are reviewed on the basis of contrOlling factors of sedimentary systems,sequence stratigraphy and simulation,and global correlation,and characteristics of seuqence stratigraphy'of continental strata are also illustrated in this paper.

    陆相层序地层学是层序地层学发展的一个重要方向.由于陆相地层的特点,其与海相层序地层相比具有特殊性。本文从层序的控制因素、层序界面、基准面、体系域与沉积体系的发育、层序地层与模拟技术和全球对比意义等方面回顾了陆相层序地层学的进展并讨论了陆相层序地层学的特点。

     
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