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Sedimentary facies and sandbody maps drawn by means of sequence stratigraphy are generally different from those by means of lithology-log or paleontological methods.

层序地层学划分对比方法及由此而编出的沉积相图和砂体图与现场使用的岩电法或古生物地层法有很大的差别。

After mud-sediment changed into stone,the water flowing in pores of middle layer of mudstone has to overcome the starting resistance resulted from the water film forming in pores.Water is easily preserved in the pores and forms the undercompaction of the mudstone layer.

当泥质沉积物成岩以后,地层中部的孔隙水必须克服微孔隙对其产生的启动阻力才能向外排出;否则,地层水就被滞流在岩层孔隙中并造成泥岩的欠压实。

Compared with the similar regions of orther countries, the area of geo synclinal structural layer of china such as North china etc.

与国外同类地区相比,我国老地层分布区的产金率远远低于其它地区,这说明,这些地洼区的老地层内还有相当大的金矿潜力没有挖掘出来。

At the same time, the distribution mode of the strand shallow lake and the delta deposition system have been established in this region. The research on type and distribution regulation of subtle trap combining with geologic strata structure indicates that the south slope belt, ditch valley belt, Guangbei slope break and southwest of noselike conformation belt are the more advantageous belt to find subtle trap.

在层序地层格架内,通过古地貌研究和沉积体系研究,识别出低位沟谷带和坡折带等控制沉积的两种地貌,建立了本区滨浅湖沉积体系和三角洲沉积体系的分布模式,结合地层结构特点,对隐蔽圈闭类型及分布规律进行研究,指出南部斜坡带、沟谷带、广北坡折带及鼻状构造带西南端是寻找隐蔽圈闭的有利区带。

The characteristic compositions of the stable isotopic and the fluid inclusions in Maoping mineral district show that the main sources of Pb origin the Upper Earths Crust, partly froin orogenetic belt and/or Emeishan basalt; the S isotopic composition hints sulfur sources from the seawater; The D and O isotopic compositions show that they emerge from the compound results of the magma water, metamorphic water, hosted water and rain water; the origination of the C isotopic shows that C resource strata.

脉石矿物D、O同位素组成代表了岩浆水、变质水、建造水及大气降水混合作用的结果;C同位素组成则反映来自受热液改造的含有机质的地层,说明地层受成矿流体溶解、淋滤、萃取而提供了部分成矿物质和储矿空间。

By the comparison between archaeological stratigraphy, sediment characteristics of cultural layers and cultural interruptions, 46 ~(14)C chronological data of buried paleotrees and peat, the synthetical analysis of the distribution laws of sites, and the reference to the results from other scholars, we can see that there are 7 cultural interruptions in the three Gorges and 7 cultural interruptions in the Yangtze Delta. They are from the last stage of Chengbeixi Culture to the initial stage of Daxi Culture (7200~6000a BP)→the third stage of Guanmiaoshan Culture Style of Daxi Culture (5800~5500a BP)→the initial stage of Shangzhou Culture (4000~3500a BP )→the last stage of Shangzhou Culture (2500~2200a BP)→During the Song dynasty Culture (960-1276AD) During the Ming and Qing Culture (1368-1911AD) in the prehistorical and historical period in the three Gorges.

对长江三峡和长江三角洲考古遗址进行地层对比,考古遗址文化层和文化断层沉积特征、文化层的叠压关系、考古遗址淤砂和淤土层厚度、46处埋藏古树和39处泥炭的~(14)C年代统计数据和空间分布规律、文化遗址分布的时空变化规律等特征综合分析,发现长江三峡地区新石器时代到历史时期考古遗址地层中有7期文化断层:(1)城背溪文化末期到大溪文化初期(7200~6000a BP);(2)大溪文化关庙山类型三期(5800~5500a BP);(3)商周早期(4000~3500a BP);(4)商周晚期(2500~2200a BP);(5)宋代时期(960-1276AD):(6)明清时期(1368-1911AD);(7)近现代时期。

On the basis of the large numbers of age analysis on apatite and zircon fission track, through the research on the present structural framework, mineral characteristics and depositional environment in remanet strata and comprehensive compare with its neighboring Mesozoic basins in strata, sedimentary facies and hydrocarbon source rock, this thesis systemically discussion on the uplift timing of these mountains around Yanqi basin, original appearances in Mesozoic and characteristics of evolution and later reformation and provide important theoretical basis for petroleum exploration.

本文在大量的磷灰石和锆石裂变径迹年龄分析的基础上,结合现今盆地构造格局和残留地层中岩石矿物特征及沉积环境研究以及与周邻中生代盆地地层、沉积相及烃源岩进行综合对比,系统地探讨了焉耆盆地周缘山体隆升时限、中生代原始面貌及其演化与后期改造特征,为盆地油气勘探提供重要的理论基础。

In the shallow layer detection, the detection of small target buried shallowly requires more complex signal processing method.

而在浅地层探测中,地雷等浅埋小目标的探测,对浅地层探地雷达的信号处理方法提出了更高的要求。

Like other branches of stratigraphy (evento-, geneto-, econo-, tectono- and sequence stratigraphy, and so on) appeared successively in recent twenty years, non- Smithian stratigraphy is aimed to deeply demonstrate the characteristics of various melanges in the orogenic belt from four-dimension splitting-converging of tectonic slices.

但仅据岩层任一性质和属性划分的地层位置不一定与其它的任一种性质或属性划分的地层位置一致,其界线往往互相交叉。

Seismic sedimentology takes full advantage of the lateral resolution of 3-D seismic data, its key techniques includes the building of sequence stratigraphic framework and generation of stratal slice.

地震沉积学充分利用了三维地震数据的横向分辨力,其关键技术是层序地层框架的建立和地层切片体的生成。

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