Middle Juassic marine sedimentary strata are widespread in the basin.
中侏罗统是其盆地发育最全、分布最广泛的海相沉积层系。
Sedimentary strata in this area mainly consist of Neogene continental strata and Marine strata.
区内沉积盖层主要为新近系的陆相和海相地层。
The ee gravity high and gravity low developed in this area, they reflects the local geological conditions in the sedimentary strata.
研究区重力高、重力低异常发育，这些重力高、重力低异常主要反映沉积地层内局部地质体的发育状况。
Some geological hazards caused by human activities are closely related to the nature of sedimentary strata in the coastal zones of China.
沿岸某些人为地质灾害与沉积层的性质有关。
The Tertiary in Qaixinan of Qaidam basin is a set of depressed lake basin sedimentary strata that have geologic condition forming lithologic traps.
柴达木盆地柴西南第三系为一套拗陷湖盆沉积地层，具备形成岩性圈闭的地质条件。
A geological surface that separates younger overlying sedimentary strata from eroded igneous or metamorphic rocks and represents a large gap in the geologic record.
分隔较年轻的上覆沉积地层与火成岩或变质岩的侵蚀面的地质界面，在地质记录上代表一个大的间断。
The presence of gas hydrate changes the acoustic properties of sedimentary strata, which makes the multi-channel seismic exploration a major method for identifying gas hydrate.
天然气水合物的存在改变沉积地层的声学特征，使得多道地震勘探成为发现天然气水合物的主要手段。
The ore deposit is formed by multiple geological activities of multistages and multiphases. And the major controlling factors are structure, sedimentary strata and magmatic activities.
矿床由多种地质作用经过多期多阶段形成，主要受构造、沉积地层和岩浆活动控制。
The Shixi Formation which rests unconformably on the Ehulin Formation and is unconformably overlain by the Zhoujiadian Formation is the upper part of the Mesozoic volcanic-sedimentary strata.
石溪组以不整合覆盖在鹅湖岭组之上，其上为周家店组所覆盖的中生代火山岩地层上部。
Earthquakes and tsunamis that resulted from the collision could have wrought havoc on the sedimentary record, causing discrete strata to swirl together and completely scrambling time lines.
由于撞击造成的地震和海啸可能对沉积层造成严重的破坏，使得离散的岩层旋转混合在一起并完全打乱地质时间线。
At present, many methods have been employed in the research of the strata denudation in sedimentary basin, including geologic method, geochemistry method and physical geography method, and so on.
目前，已有很多方法应用于沉积盆地地层剥蚀的研究，包括地质方法、地球化学方法及地球物理方法等。
In this paper, various types of structure and the relationship between sedimentary dynamic process and strata response of the short cycle sequences is discussed.
讨论了短期基准面旋回层序的各种结构类型和沉积动力学过程与地层响应的关系。
The strata and sedimentary characteristics of the two areas are compared in this paper.
本文对两个地区的地层和沉积特征进行了对比。
The overlying strata of the coal bed roof are dominated by sedimentary rocks such as shale, sand stone and limestone, whose physical and mechanic properties differ greatly.
煤层顶板覆岩一般以页岩、砂岩、灰岩等沉积岩为主，其物理力学性质差异很大。
The climatical wedges are V-shape sedimentary bodies formed by climatical cause, which are remained in strata.
气候楔状体是由于气候原因造成的在地层中保存的楔状沉积物。
The Upper Paleozoic is the major gas-bearing series of strata in Ordos basin, where gas accumulation is controlled by facies belts and all the major pay zones are of delta sedimentary systems.
上古生界是鄂尔多斯盆地重要的含气层系，天然气的聚集受相带的控制，其主产层均为三角洲沉积体系。
But the sedimentary facies of the strata has yet not been specially studied by predecessors.
但前人对其沉积相，尚未进行过专门的研究。
The volcanic rocks associated with the terrigenous elastic rocks and intrabasinal sedimentary rocks predominate in the Devonian strata in the Ashele and Chonghur regions, Xinjiang.
新疆阿舍勒、冲乎尔地区泥盆纪地层以火山岩为主，伴有陆源碎屑岩和内源沉积岩。
The distribution of Caledonian residuum reservoirs in the south of Ordos Basin is mainly controlled by karst palaeogeomorphology, strata of residuum and sedimentary facies.
鄂尔多斯盆地南部加里东期风化壳储集层的分布主要受岩溶古地貌、风化壳层位及沉积相控制。
The classification of strata has a great effect on the knowledge about structural evolution, sedimentary environment and even evaluation of hydrocarbon potential in a basin.
地层是一切地质问题的基础，地层的划分直接影响着对盆地构造演化、沉积环境甚至对全盆地含油气远景的认识。
In the Palaeogene, the strata, sedimentary and structural evolution in North Shandong can be comparable with those in Southwest Shandong.
鲁北地区和鲁西南地区古近纪盆地在地层、沉积和构造演化上都具有可对比性。
Subjected to actual measure method and technical level, it is difficult to predict the distribution of sedimentary facies of underground strata by rule and line .
限于目前的测量手段和技术水平，要做好地下地层沉积相的预测是很难的。
The regional strata consist mainly of Mesozoic continental volcano-sedimentary formations.
区域地层主要为中生代陆相火山-沉积建造。
It is necessary to study the sedimentary microfacies and reservoir characteristics of the stable mineral bearing strata in Dongxin area to further explore the oil and gas reserve of the target zone.
为了更好地挖掘东辛地区稳矿砂体的油气勘探潜力，有必要对其沉积微相及储层特征进行研究。
The petrological characteristic, main types and characteristics of sedimentary facies have been expounded in Cambrian strata. Then sedimentary facies models are established.
阐述了研究区内寒武系的岩石学特征及沉积相类型，并建立了相应的沉积相模式；
According to rock association and sedimentary formation, strata in Ertan Hydropower Station dam area may be divided into 3 Members.
二滩水电站库区的地层岩性，按其组合和沉积建造分为三段。
Gravels components from the Cenozoic strata are mainly composed of metamorphic rocks and sedimentary rocks with little magmatic rocks.
新生代地层中砾岩砾石成分稳定，以变质岩和沉积岩成分居多，岩浆岩很少；
Gravels components from the Cenozoic strata are mainly composed of metamorphic rocks and sedimentary rocks with little magmatic rocks.
新生代地层中砾岩砾石成分稳定，以变质岩和沉积岩成分居多，岩浆岩很少；
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