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层序地层对比
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  stratigraphic sequence correlation
     Stratigraphic Sequence Correlation Based on Wavelet Transform of Well-logging Data: Taking the coal-bearing strata of Permo-carboniferous system in Luxi and Jiyang Area as an example
     基于测井数据小波变换的层序地层对比——以鲁西和济阳地区石炭、二叠系含煤地层为例
短句来源
     Stratigraphic sequence correlation of Permo-Carboniferous system in Luxi and Jiyang area
     鲁西—济阳石炭二叠系层序地层对比
短句来源
     Based on seismic,sedimentary facies analysis and high resolution stratigraphic sequence correlation,it is considered that Toutunhe formation in Shinan-21 wellblock and Shinan-4 wellblock have similar facies association and sedimentary microfacies. And it is possible for the two wells to connect.
     从地震、高分辨率层序地层对比、沉积相方面研究认为,石南21井区与石南4井区头屯河组地层的可对比性较高、岩相组合相似、沉积微相相近,两井区有连片的可能性;
短句来源
     In this paper,according to more than 20 core and 200 developments-well data,from the aspect of the depositional sources,high resolution stratigraphic sequence correlation,the structure of rock,size,sedimentary structure,appearance of sandbody,etc. It is considered that the sandbody of Toutunhe formation in shinan 21 wellblock is sedimentary system of meandering river-delta,and submerged distributry channel microfacies is the major reservoir.
     根据20余口岩心和200多口开发井资料,从物源、高分辨率层序地层对比、岩石组构、粒度、沉积构造、砂体形态等方面研究的基础上,综合确认石南21井区头屯河组砂体为一曲流河-三角洲前缘沉积体系,水下分流河道微相是其优势相。
短句来源
  “层序地层对比”译为未确定词的双语例句
     Other aspects of outcrop sequence stratigraphic analysis are dealt with as well.
     在区域层序地层对比、分析的基础上初步讨论了露头层序地层分析中存在的问题。
短句来源
     After suring the project of stratigraphy division, the artical has proceed to compartmentalize sequence and build up sequence stratigraphy frame.
     在确定本区层序地层划分方案后进行连井层序地层对比,建立研究区沙河街组沙四~沙三段层序地层格架。
短句来源
     According to the result of sequence stratigraphic correlation, drilling ratio and thickness of sandbody whose thickness is over 1m in every subsequence of the whole area are figured out,average thickness is calculated by two methods, and variation curves of the drilling ratio and the average thickness of sandbodies are made.
     以层序地层对比结果为基础,在全区范围内统计每一个准层序中砂体钻遇率,并绘制砂体钻遇率变化曲线; 统计各准层序中1m以上的砂体厚度,用两种方法计算每一准层序中砂体的平均厚度,绘制砂体平均厚度的变化曲线。
短句来源
     This paper reviews the theoretical base and technical points of“high-resolution sequential stratigraphy correlation”,and compares it with Chinese “subzone correlation technique” in terms of research content,fine degree,technical principle,operation method and conceptual expression. It considers that they are a same technique,i. e.
     简要回顾了“高分辨率层序地层对比”技术的理论基础和技术要点, 并与我国的“小层对比技术“在研究内容、精细程度、技术原理、操作方法和概念表述等方面进行了全面分析对比, 认定二者实属没有任何本质区别的同一种技术, 即同属高分辨率旋回等时对比技术。并指出了高分辨率层序地层对比技术的进步及其存在的问题。
短句来源
     In accordance with the correspondence principle of medium? term cycle with quasi sequence group and short? term cycle with quasi sequence, Es 4 1~4 sand beds of Guangbei 12?
     根据中期旋回与准层序组相对应以及短期旋回与准层序相对应的原则 ,将广北 12 -斜 1井沙四段 1~ 4砂层组划分出 4个中期旋回 ,18个短期旋回 ,并运用旋回等时对比技术对广北地区进行了精细层序地层对比
短句来源
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  相似匹配句对
     THE APPLICATION OF SIQUENCE STRATIGRAPHY TOSTRATIGRAPGHIC CORRELATION
     层序地层学在地层对比中的应用
短句来源
     Stratigraphic sequence correlation of Permo-Carboniferous system in Luxi and Jiyang area
     鲁西—济阳石炭二叠系层序地层对比
短句来源
     TERTIARY TRANSGRESSIVE SEQUENCES ANDSTRATIGRAPHIC CORRELATION INCHINA OFFSHORE AREA
     中国近海早第三纪海侵层序地层对比
短句来源
     APPLICATION OF BASE LEVEL PRINCIPLE IN PREDICTION OF LACUSTRINE RESERVOIRS
     高分辨率层序地层对比在河流相中的应用
短句来源
     Correlation of Triassic Sequence Stratigraphy in Eastern Tibet
     西藏东部三叠纪层序地层分析与对比
短句来源
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Based on the detailed study of depositional systems in carbonates, siliceous rocks as well as terrigenous sediments and high resolution isotime surfaces, the stacking patterns of depositional systems in different petrographic regions are established for the Upper Permian of Guangxi. And the one second-order and five third-order sequences, have been recognized. Each of the sequences results from the eustatic change of sea level, basinal subsidence and terrigenous influx. However, the critical factors vary in...

Based on the detailed study of depositional systems in carbonates, siliceous rocks as well as terrigenous sediments and high resolution isotime surfaces, the stacking patterns of depositional systems in different petrographic regions are established for the Upper Permian of Guangxi. And the one second-order and five third-order sequences, have been recognized. Each of the sequences results from the eustatic change of sea level, basinal subsidence and terrigenous influx. However, the critical factors vary in the development of sequences, leading to the differenation of sequence architecture.

在详细研究广西上二叠统碳酸盐岩、硅质岩和陆源碎屑岩沉积体系的基础上,通过高分辨等时地层界面的追踪和层序地层对比,建立了不同相区沉积体系在等时地层格架内的空间配置.进而识别出1个二级层序和5个三级层序.每个层序的形成都同时受到全球海平面升降、盆地基底沉降、沉积物充填的控制,在层序发展的不同阶段,受控的主导因素有别,从而形成不同样式的层序构成.

Condensed sections (CS) are related to the maximum flooding stage (lag dePOsits) of a relative sea-level Change. They are present in each second and third order sequences in the Middle-Upper Cambrian strata.I. Main features of condensed sections(CS)1. Rock types and sub factes of condensed sections.CSs are composed of seven rock types which are distributed in three factes and five sub factes:Rock types:(1 ) Glauconitic siltstone-sandstone; (2) Glauconitic oolitic limestone 1 (3 ) Glauconitic Binclastic limestone;...

Condensed sections (CS) are related to the maximum flooding stage (lag dePOsits) of a relative sea-level Change. They are present in each second and third order sequences in the Middle-Upper Cambrian strata.I. Main features of condensed sections(CS)1. Rock types and sub factes of condensed sections.CSs are composed of seven rock types which are distributed in three factes and five sub factes:Rock types:(1 ) Glauconitic siltstone-sandstone; (2) Glauconitic oolitic limestone 1 (3 ) Glauconitic Binclastic limestone; (4 )Glauconitic micritic limestone; (5 )Glauconitic storm calcirudite;(6)Glauconitic hardground; (7)Glauconitic clay.Three factes: inner shelf, middle shelf and outer shelf Five subfacies: (1 ) Quartz sandstone-siltstone and Glauconity; (2 ) Glauconitic oolitic limestome; (3 ) Glauconitic intraclastic muds; (4 ) Glauconitic muds and hardgrounds; (5 ) Deep water muds +phosphorus and manganese.2. Mineralogy and geochemistry of condensed sections.Glauconite, dolomite, pyrite, limonite and clays are the main mineral components of CSs.Chemical analyses of CSs have shown concentrations of some trace elements, such as Mn, lr,P,K and Ti, one of the most important features of condensed sections is the abundance of bingenic material.The potassium content and texture of glauconite permit the assessment of the evolutionary stage and duration of a condensed section. From this, it is apparent that the length of time for the development of CSs is in the range of 104~106 years. This is similar to the duration of the maximum flooding stage of second or third order sea level changes.Ⅱ. Conclusion1. A new concept of condensed section is given in this paper:A condensed section is a low--rate marine sedimentation unit which formed at the time maximum flooding close to the inflection-point from TST to HST during the long-term (2nd to 4th order cycle) global sea-level changes.2. Condensed sections are not only the products of maximum flooding and early highstand, but also the ties of TST and HST. They are the key stratigraphic units of sequence division and stratal correlation. Sea-level changes of the different orders result in the formation of condensed sediments. Studies of the maturity of glauconite can be used to distinguish different orders of sea-level changes.

凝缩层(CS)是当代层序地层学和沉积学研究的热点之一。作者首次在华北地台寒武纪层序中发现了一系列海绿石质凝缩层(段)。文中重点论述了凝缩层的相带分布、地球化学及其特征自生海绿石的形成演化等,给出了一个克拉通盆地Ⅲ级海平面变化周期的层序地层、年代地层模型及其凝缩间断时间过程。富钾海绿石及其丰度是鉴定凝缩层、其时限和级别的最佳标准。本文从全球海平面变化观点给凝缩层赋予新定义。研究证明,海绿石质凝缩层是克拉通盆地识别最大海泛期和进行层序地层对比的关键。关键词

The Neoproterozoic successions in northwest Hunan, South China belong to a stable sedimentary re- gion of paleo-continental margin along the southeast border of Yangtze platform. The paper deals with the sequence stratigraphy on Neoproterozoic (1000-57OMa) outcrops in the area. Adopting a dividing plan of gallery-typed section and comprehensive sequence stratigraphy, 14 Ⅲ order sequences are divided from Neoproterozoic successions in the stable shallow marine area, based on careful field investigations on out-...

The Neoproterozoic successions in northwest Hunan, South China belong to a stable sedimentary re- gion of paleo-continental margin along the southeast border of Yangtze platform. The paper deals with the sequence stratigraphy on Neoproterozoic (1000-57OMa) outcrops in the area. Adopting a dividing plan of gallery-typed section and comprehensive sequence stratigraphy, 14 Ⅲ order sequences are divided from Neoproterozoic successions in the stable shallow marine area, based on careful field investigations on out- crops, i. e. 4 sequences in Laoshanya Formation (equal to Banxi Group); 2 in Dieshuihe Formation (equal to Liantuo Formation); 1 in Dongshanfeng (equal to Jiangkou Formation) - - Xiangmeng Formations ; 1 in Nantuo Formation; 2 in Doushantuo Formation and 4 in Dengying Formation. Altogether 7 type-I se- quence boundaries and 7 type-II sequence boundaries and 1 immersed uncomformity are identified on out- crops. By a orrelation of sequence stratigraphy over the whole area (including Dongkou area in central Hu- nan), a Sinian (800-570Ma ) synchronous stratigraphic framework is established in norhtwest Hunan. It is concluded that a synthetic approach suitable to the Neoproterozoic sequence stratigraphy on outcrops across the area should be adopted. And further the paper ptosposed new concepts about the location of stratigraphy, lithofacies - paleogeography and the evolution of paleo-tectonics.

湘西北地区新元古界属于扬子地台东南缘古被动大陆边缘稳定沉积区,本文重点研究了该区新元古代地层(1000~570Ma)的层序地层学、采用廊带式剖面和综合层序地层划分方案,在稳定浅海相区通过精细的野外露头工作共划分出14个Ⅲ级层序,其中老山崖组(相当于板溪群)4个、渫水河组(相当于莲沱组)2个、东山峰组(相当于江口组)—湘锰组1个、南沱组1个、陡山沱组2个和灯影组4个。识别出7个Ⅰ型层序边界、7个Ⅱ型层序边界和1个淹没不整合面。通过全区(包括汀中洞口地区)的层序地层对比,在Ⅱ组层序的基础上建立了该区震旦系(800~570Ma)等时地展格架.总结了适合于本区的新元古代露头展序地层学工作方法,在层序地层工作的基础上对该区地层的定位、岩相古地理和古构造演化提出了新的看法。

 
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