查询词典 overthrust

Taking the plate tectonics as leading theories, combining outcrop, seismic techniques, drilling and logging datum, inter-verifing manifold researching methods, The paper has amply researched the region. discussed the coupling relation of basin-mountain and the geodynamics system; analyzed geologic tectonic characteristics of the basin; confirmed superposed alteration in Mesozoic of the basin; recompartmentalized tectonic units of the researching region and the basin; studied the tectonic evolution of the basin since Mesozoic; ascertained four large tectonic layers and five tectonic evolution process stages in different ways of formation and tectonic alteration; established different tectonic stages、compages、models and sedimentary filled processes, based on the organic geochemistry and oil-gas geologic characteristics in middle Cenozoic of the basin, the conclusions have been summarized in the paper, such as:The primary source rock in lower Permian and subordinate source rock in upper Triassic are developed in the region with better quality, and secondary hydrocarbon is possible; The bearing system which is comparted by three large tectonic layers and two unconformity surfaces formed in Palaeozoic、upper Palaeozoic to Triassic and Cenozoic developing in the region, compounded with reservoirs of different lithology is developed in the region, while the property of tectonic fracture reservoir is better; Based on the analyzing petroleum accumulation elements and preserving conditions, the deep depressing belt in the north of Luoyang depression、Shiling-Yiyang folded fault belt in Yiyang depression and wide anticline belt in Yichuan depression are advantageous petroliferous region, Zhaizhen anticline in Luoyang depression and Shimen wide anticline on footwall of overthrust in Yichuan depression are optimum tectonic traps.

本文以板块构造理论为指导思想，采用露头区野外地质与盆地地震、钻井、测井资料密切结合，多种测试方法互检的研究方法，探讨了盆山耦合关系及其所控制的地球动力学系统；分析了研究区域和盆地地质结构构造特征，确定了中生代盆地的叠合改造性质，并重新划分区域构造单元和盆地构造单元，深入研究了洛阳—伊川盆地自中生代以来的构造演化；确定了成盆作用和构造改造作用的四大构造层和五期不同方式、方向的构造演化过程；建立了不同构造阶段的构造组合和样式及与构造相关的沉积充填过程；在此基础上通过多种有机地球化学指标，研究盆地中新生代油气地质特征，认为本区发育下二叠统区域主力烃源岩、上三叠统区域非主力烃源岩，两套烃源岩质量均较好，并具备二次生烃条件；认为本区发育古生界、上古生界—三叠系和新生界三大构造层、两个不整合界面分隔、不同岩性储集层叠置组合和构造裂隙型储集层的复式储集体系，其中构造裂隙型储集层储集性能较好；依据油气成藏条件和保存条件分析，认为洛阳凹陷北部深凹带、宜阳凹陷内石陵—宜阳褶断带以及伊川凹陷伊川宽阔背斜带为较有利含油气区，有利的构造圈闭是洛阳凹陷翟镇背斜和伊川凹陷的石门逆冲断层下盘的宽缓背斜

It indicates that the quake is the result of the dextral overthrust of the kashi River Fault for its main fault distribution and motion character consistent with that of the Kashi River Fault Zone.

喀什河断裂是一条控制伊犁盆地北界和喀什河河谷的活断裂，它错断了喀什河阶地和古尼勒克沟，有着明显的新活动性。在震区还发现了一些古地震遗迹。

Overthrust nappe structures spread widely in western and southwestern area of China.

在中国的西部和西南部地区，地表条件复杂，逆掩推覆构造广泛分布。

In this paper, forward modeling technique is applied to pre-stack depth migration to accurately image the front overthrust nappe struct.

文章将地震资料模型正演技术应用到叠前深度偏移，探讨了一种有助于川西龙门山前缘逆掩推覆构造地震资料精确成像技术。

It is in accordance with the southward overthrust nappe acting time of South Tianshan orogenic belt.

前渊带以巨厚的浊积岩为特征，在上石炭统上部-下二叠统隆林阶中部台地相地层之上沉积有浊积岩的地质事实表明，前渊带在隆林晚期至中二叠世栖霞期不断向南迁移，这与南天山造山带当时的向南逆掩推覆活动是一致的。

We also present the test result of impulse response with the overthrust model.

继而，对岩丘模型，文中讨论了成像参数的选择、地震子波对成像精度的影响、并完成二维及三维叠前深度偏移的比较；对推覆体模型，文中进行了脉冲响应测试。

A very long time ago, a huge slab of rock thrust upward and to the east; this formation is called the Lewis Overthrust.

很久以前，一个巨大的岩石板推力向上和东部；这形成被称为刘易斯覆。

Firstly,we should discuss the definition of thrust belt,thrust fault,overthrust belt, reversed fault and overthrust fault and their differences,and then analyze the causes of formation and mechanisms as well as the tectonic background.

如何看待冲断带油气勘探，首先要讨论冲断带、冲断层、掩冲带、逆断层、逆掩断层的定义及其差异，然后分析冲断带的成因机制和形成的大地构造背景，冲断带油气勘探的兴衰历史。

Firstly,we should discuss the definiton of thrust belt,thrust fault,overthrust belt, reversed fault and overthrust fault and their differences,and then analyze the causes of formation and mechanisms as well as the tectonic background.

如何看待冲断带油气勘探，首先要讨论冲断带、冲断层、掩冲带、逆断层、逆掩断层的定义及其差异，然后分析冲断带的成因机制和形成的大地构造背景，冲断带油气勘探的兴衰历史。

Based on the research of development characteristics of overthrust fault, its sealing mechanism is ana- lyzed. The evaluation standard and method for sealing ability of fault is established through the following two simulation experiment: one experiment is ,the quantitative relationship between property of filler in fault zone and sealing ability of fault , another experiment is the deformation characteristics of gymsum. By evaluating sealing ability of overthrust faults on several typical structure in Kuche ression,its considered that most cur- rent faults are sealed.

本文通过逆掩断层发育特征研究，分析了逆掩断层封闭机理，在断裂带填充物性质与断层封闭性定量关系模拟实验和膏泥岩变形特征模拟实验基础上建立了断层封闭性评价标准及评价方法，以此对库车坳陷几个典型构造上逆掩断层垂向封闭性进行了评价，结果表明现今断层多是封闭的。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。