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Because of the stratigraphic conditions of multi-lithologies and thin-bed association, unstability of lithofacies in the vertical and lateral direction, and the particalar conditions of seissmic geology in Inland Basins, Western China, a stratigraphic model of sedimentary facies in which there are many theoretical reflecting seismic interface does not completely display on the seismic section, especially the some the most important stratigraphic information such as toplap, onlap, progradation, erosional truncation and fill of channal, divergent, shingled, ect.

本文在研究了9类沉积相及相组合地层模型的地震模拟记录后证明:现今流行的在地震剖面上划分地震相进而应用国外海相地层反射模式再转换为沉积相这一所谓&相面&方法完全不适用于西部陆相盆地沉积相地层模型的特点,作者首次开辟了用速度参数,合成地震记录、二维地层模型技术研究西部盆地地下沉积相的新途经。

We have taked sedimentary facies research on the second member of Shanxi formation of Changbei gas field, this area pertained to marine facies braid river delta sedimentary system, we have gived a detailed discriiption on different subfacies, microfacies, sandbody's sedimentary character and distribution for the braid river delta sedimentary system.

对长北气田山2段开展了精细沉积相研究,确定该地区山2段属于海相辫状河三角洲沉积体系,并对该三角洲沉积体系的各亚相、微相和砂体展布特征与演化规律进行了详细研究,建立了自北向南延伸的辫状河三角洲沉积模式。2。

Some scale of sublacustrine fan deposit was developed in the Liushagang Formation of the Fushan Depression, the Beibuwan Basin.

福山凹陷流沙港组内发育一套具有一定规模的湖底扇沉积,其中可识别出浊流沉积、水下泥石流沉积和滑塌堆积3种沉积相单元。

The researches show that fan delta, alluvial plain, delta, lacus and sublacustrine fan develop, each sedimentary facies are divided into several subfacis again. The probability cumulative grain size curves incude "uphill arched arc" pattern, one segment pattern, bi-segment pattern, tri-segments pattern, multi-segments pattern, complicated bi-segment pattern, complicated tri-segments pattern,"low slope multi-segments" pattern,"high slope multi-bouncing population-one suspension population" pattern,"high slope multi-bouncing population-one suspension population-transitional zone" pattern,"high slope and multi-bouncing population" pattern,"broadly uphill arched arc" pattern and so on, each subfacis has own peculiar probability cumulative grain size curves.

研究表明,该地区发育的沉积相有扇三角洲、冲积平原、三角洲、湖泊、湖底扇,每一种沉积相又分为几种沉积亚相类型;该地区碎屑岩的粒度概率累积曲线特征主要包括:&上拱弧形&式、一段式、两段式、三段式、多段式、复杂两段式和复杂三段式、&低斜多段&式、&高斜多跳一悬&式和&高斜多跳一悬夹过渡&式、&高斜多跳&式、&宽缓上拱&式等,每种沉积亚相类型对应其独特的粒度概率累积曲线特征。

Five pieces of paleogeographic maps were made out with modern stratigraphic principles and sedimantary system method. It is shown by the maps that in the beginning of the Changzhougou time the Yanshan Region was occupied by alluvial environment with paleoriver flowing northeast, in the middle of the Changzhougou time a transgression changed whole Yanshan Region into shoreline-shallow sea environment gradually, and sedimentary boundary extended so continuously that by the Gaoyuzhuang time it had overpassed far beyond the Yanshan Region.

在缺乏良好等时面的情况下,本文依据现代地层学原理和沉积体系分析法编制了常州沟组初期与中期,串岭沟组初期,大红峪组初期,及高于庄组初期燕山地区的岩相古地理图,示意了燕山地区在长城纪时由冲积扇-河流为主的陆地环境向滨海-浅海环境的演变过程,并揭示了沉积区域不断扩大的趋势,表明常州沟组初期,以蓟县-宽城为轴线发育了冲积相组,海岸线可能在燕山以北,常州沟组中期发生海侵,沉积区扩大至整个燕山地区,大红峪组时海盆范围继续扩大,高于庄组时,沉积边界已远远超出燕山地区。

The sediments in the Bransfield Strait are subdivided into two sequences:first rifting sequence and second rifting sequence.

海峡中的新生代沉积可分为两组沉积系:第一张裂沉积系和第二张裂沉积系。

In the fan delta plain, the sediments, with relatively large grain sizes, jump forward with the thrust of water flow, while, in the front slope, the sediments have relatively small grain sizes, weltering and depositing a-long the slope under the force of gravity, forming typical normal grain size gradation.

扇三角洲平原以水流推力作用为主,沉积物以滚动、跳跃方式搬运,粒度最粗;前缘斜坡以重力作用为主,沉积物顺坡向下滚动、沉积,粒度略细,且具有明显的正粒序特徵;前扇三角洲以浮力作用为主,沉积物为悬移质沉降,粒度最细。

Process and mechanism of electrodeposited Zn-Fe-Si02 composite coatings were studied, including some contents as follow: Potential-pH plots of Zn-H2O and Fe-H2O systems were drawn, and the thermomechanical analysis was made. Results showed that the region of zinc and iron's codeposition was wide, which provided theoretic basis for electrodepositing Zn-Fe alloy. But the balance potential of zinc was greatly different from iron's, so in order to make zinc and iron codepositing, some complexant must be added into electroplating solution.

本文研究了电沉积Zn-Fe-SiO_2复合镀层的工艺和机理,主要包括以下几个方面:绘制了Zn-H-2O系和Pe-H_2O系的电位-pH图,并对其进行了热力学分析,结果表明,锌和铁发生共沉积的区域很大,这就对电沉积Zn-Fe合金的可能性提供了理论依据,但是锌和铁的平衡电位差别较大,所以,必须在镀液中添入一定量的配合剂才能使锌铁产生共沉积

The south-north united tectonic environment and tectonic pattern does not exist. The east-west trend thrusting Nappe structure of Majiatan and Hengshanpu can not represent the whole western margin of Ordos. The attempt to solve the regional tectonic problem with simple tectonic pattern is against the geological theory, especially in the Helan Mountain region.(2) After the geochemical data analysis of Ruqigou basalt in Helan Mountain, the article illustrates that it belongs to continental rift basalt which appeared in the late-Triassic and early middle Jurassic. Meanwhile the article states that the region is located in the rift environment of an extension background and Rudigou is located in the central part of the rift.(3) The article illustrates that the western ridge of Helan Mountain used to be on a slope and topography slowly declines from west to east after analysis and demonstrations of the distribution under XiaoSongshan bedding fault. Through comprehensive analysis of the no-strong deformation and bedding fault features, the article states that the Xiaosongshan bedding fault used to be gravity slip detachment structure and it represents the extension from the east to the west. Based on the above and analysis and demonstrations of isotope age and track datting, the article illustrates that the ? characteristic of the east of the western ridge of Helan mountain being higher than the west is the result of its late tectonic reverse.(4) Through comparison between Rujigou region Mesozoic Era late Triassic period-early and middle Jurassic period deposit and that of Ordos Basin and the analysis of the late Triassic period extension and early -middle Jurassic Period deposit povenevance it sets forth that during the period, Rujigou region was part of a large deposit basin which was closer to the northern povenevance and farther from the western povenevance.

以马家滩和横山堡为代表的东西向逆冲推覆构造模式,在整个鄂尔多斯盆地西缘不具有全区统一性,那种试图用单一的构造模式解决本区构造问题的尝试,无疑是与地质实际相悖的,尤其是对贺兰山地区;(2)通过对贺兰山汝箕沟玄武岩地质地球化学测试分析,提出其为大陆裂谷玄武岩,其形成时代为晚三叠—早中侏罗世,并通过该玄武岩的稀土和微量元素的测试分析资料进行了多种判别分析,最终确定该区处于拉张背景下的裂谷环境,汝箕沟地区大致处于当时裂谷的中心部位;(3)通过对小松山断层面之下地层分布规律,结合其变形特征的分析论证,认为当时贺兰山西麓处于一个由东向西平缓抬高的斜坡环境,并通过小松山断层面之下地层的非强烈变形及顺层断层特征等的综合分析,认为贺兰山西麓的小松山断层原本是一重力滑覆断层,它代表了近东西向的拉张,在此基础上通过裂变径迹测试资料的分析论证对其做了进一步认定,目前贺兰山西麓东高西低的剖面特征是该区后期构造反转的结果;(4)通过对汝箕沟地区中生代晚三叠世—早中侏罗世沉积与鄂尔多斯盆地内部的对比、晚三叠世延长组及早中侏罗世沉积物源和水流向分析,认为该时期汝箕沟地区为一更靠近北部物源,而距西部物源明显较远的沉积环境,是一更大型沉积盆地的一部分。

The tidal wetland sediment appeared the tendency of changing small from sea to land and from bottom to top.

结果表明,潮间带沉积物呈自海向陆和自下向上变细的趋势,一般光滩沉积物粒径〉50μm,盐沼上部沉积物粒径〈25μm;沿岸方向上,茂密盐沼的沉积物较之稀疏盐沼细;盐沼中的流速和波高较之相邻光滩减少50%以上;植物粘附悬沙干重达

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