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Four main formations of loop bedding in Jiyang sub-basin were upper layers fall down in the process of earthquake, tautening distortion due to earthquake, the frication of earthquake-related surface of fault and the effect of redox and diffuse other formations of loop bedding comprise the effect of earthquake wave, the effect coming from circumrotate of globosity rotation, snowball function, cementation intermittent, the effect of biology, and so on.

综合分析认为震动塌落、震动拉伸变形、地震断裂面的摩擦作用、氧化还原反应和扩散作用是环状层理的主要成因,前三种成因的环状层理往往与其他震成构造伴生,可作为震积岩的良好标志。环状层理的其他成因还包括:地震波传播方式的影响、地球自转产生的涡旋的影响、"滚雪球"效应、间歇胶结作用以及生物成因等。

Based on systematic structural interpretation with 3D seismic data and analysis on regional geology and drilling data, the fault system and tectonic style of the Yitong Graben are studied.

通过对三维地震资料进行系统的构造解析,结合区域地质和钻井资料的分析表明,伊通地堑的断层系统在平面上主要由近东西向的张性正断层和北东走向的张剪性断层组成,反映盆地具右旋走滑的应力体制;断层在演化序列上分为4个类型,与盆地的形成和演化之间存在良好的对应关系。

In addition we also make research on the residual curve velocity analysis and find that its application is not good and the efficiency is iow. The reasons is that the hypothesis is rigid and it is a local optimizing method.

本文还对目前实用性较强的剩余曲率速度分析方法进行了研究,指出该类方法的应用效果不佳和效率较低的原因在于,理论假设过多,与叠前深度偏移的初衷相违,同时该类方法是单点速度分析,是一局部优化方法,而无法解决具有强烈横向速度变化以及地下构造倾角较大的地震速度建模问题。

Because the BaMianTai oil field was a fault block hydrocarbon reservoir and the stable yields of the reservoir is a bottleneck problem, the thesis did a lot of works on the meticulous description research, and the fine ...depositional time comparison; the flat distribution graphs and the reservoir sand graphs of depositional microfacies in different time were drafted; the researches on 3D seismics microtectonics and little faults'fine explanation and reservoir types of main layers were completed in the thesis.

本文针对八面台油田是一个复杂的断块油藏的特点和制约油田稳产的瓶颈问题,开展了精细油藏描述研究工作,进行了沉积时间单元精细划分对比;编制了不同时间单元的沉积微相平面分布图、油砂体图;完成了主力油层顶面三维地震的微构造、小断层精细解释以及油藏类型的研究。

Four main formations of loop bedding in Jiyang sub-basin were upper layers fall down in the process of earthquake, tautening distortion due to earthquake, the frication of earthquake-related surface of fault and the effect of redox and diffuse other formations of loop bedding comprise the effect of earthquake wave, the effect coming from circumrotate of globosity rotation, snowball function, cementation intermittent, the effect of biology, and so on.

综合分析认为震动塌落、震动拉伸变形、地震断裂面的摩擦作用、氧化还原反应和扩散作用是环状层理的主要成因,前三种成因的环状层理往往与其他震成构造伴生,可作为震积岩的良好标志。环状层理的其他成因还包括:地震波传播方式的影响、地球自转产生的涡旋的影响、&滚雪球&效应、间歇胶结作用以及生物成因等。

At first,the curve of charge distribution,ionizable state of nonisothermatity sphere,Was obtained by computer to calculate ionized state according to distribution data of temperature and dinsity within Earth. Secondly,the pussibility of microgravitational testonosphere,Within the isothermality sphere,was found by balance between pressure and volumetric forcein Earth's interior.The thickness is 1 000 km or so.Finally,the result come into commom use various geophysical process withi...

首先依据地球内部温度和密度不均匀分布数据,用计算机计算它的电离状态,得到非等温分层电离状态的电荷分布曲线;其次从地球内部存在的流体压力与两类体积力:重力和静电力的平衡方程讨论中,发现在某一等温层内可能存在微重力构造圈,其厚度约为1000km左右;最后在地学研究向整体化和深部化发展趋势下,预期这个结果将有助于理解地球深部发生的各种物理过程且与地震S波在核-幔之间层中消失观测事实相一致。

In this paper , the evolution of the macroseismic distribution in time , space and intensity in the area were analysed, and it indicated that the more attention should be paid to the macroseismic risk in Guangdong province in the coming ten years.

本文以东南沿海地区为对象,研究了区内强震活动的时、空、强分布演化特征,综合分析认为,在目前新的地震活跃期中,广东省的强震形势值得注意,尤其在2000年前后,历史上未发生过强震而又具备发生强震条件的地区。通过对构造背景、强震分布、震中迁移等分析提出的广东中部及其近海地区更应注意。

Then on the basis of study results about regional geology, ophiolite,structure,and seismic depth-sounding in the Qinghai-Tibet plateau and its adjacent areas, this paper promotes a new model to interpret tectonics.This new model thinks that in this large area there was not simple B-type subduction which is accompanied with ocean-floor spreading at mid-ocean ridges to form ocean basins appearing as new oceans and new ocean plates,but intercontinental seas due to ocean-floor spreading,obduction of ophiolite tectonic slice as oceanic crust slabs and complex A-type subduction of continental lithosphere slabs.

而后又以青藏高原及邻区为例,根据区域地质、蛇绿岩和地质构造研究的成果,特别是地震测深研究的成果,详细地论证了本区不存在有大洋中脊扩张成为大洋盆地的新大洋和大洋板块简单的B型俯冲模式,但存在有海底扩张的陆间海和海洋地壳板片的仰冲以及大陆岩石圈板片复杂的A型俯冲新模式。

This research achievements is the result at the base of field geologic data colligating with the data of some drilling and seismic, and of the combining of sedimentology and tectonic geology researches, theory and practice researches, actual measurement of skeleton sections and observation of complemented sections, macroscopical studies and microcosmic studies. The classification and characteristics of sedimentary system and the genetic types and expression form are systematically analyzed in the thesis, and the division scheme of the Youjiang basin is put forward.

研究成果是以大量的野外地质资料为基础,综合了部分钻井和少量地震等资料,采取沉积研究和构造研究相结合、理论研究和实际研究相结合、实测基干剖面与补充观察剖面研究剖面相结合、宏观研究和微观研究相结合的方法,系统地分析了右江盆地的沉积体系种类和特征、层序界面的成因类型和表现形式,进而提出了右江盆地的层序划分方案。

Based on the data analysis of the earthquake disaster, it is known that the houses made of brick concrete structure have survived the earthquake happened to a higher breached zone because the earth base, brick houses′ structure layout and the constructed quality are up to the antiseismatic requirement.

对地震灾害资料的分析发现,凡在高烈度区保存下来的砖混结构房屋,除场地土地基、砖房的结构布置和施工质量符合抗震设防要求外,其建筑和结构的构造措施也是很重要的原因。

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