查询词典 lithology

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

In the basis of Bayes principle, the linearized Zoeppritz equation and convolution model are applied to obtain the posterior probability density of the lithology model.

在贝叶斯原理的基础上，通过Zoeppritz方程简化公式及褶积模型建立反演参数的后验概率模型。

Results indicated that soil lithology, rock cranny and soil structure had a certain impact on quality of megranate.

结果表明土壤母质岩性、母岩裂隙、土壤结构对石榴品质有一定的影响。

Based on the basic principle of detecting underground oil and gas resources with the direct detecter of the space source,the interpretative models of the stratal lithology were established,and the characteristic curves of lithological detection of rocks were analyzed.

基于空间源直接探矿仪探测地下油气资源的基本原理，建立了地层岩性解释模型，剖析了各种岩石的岩性探测曲线特征，探讨了根据地下不同深度岩性综合能量值判别地下岩层性质和位置的方法。

Based on the basic principle of detecting underground oil and gas resource s with the direct detecter of the space source,the interpretative models of the stratal lithology were established,and the characteristic curves of lithological detection of rocks were analyzed.

基于空间源直接探矿仪探测地下油气资源的基本原理，建立了地层岩性解释模型，剖析了各种岩石的岩性探测曲线特征，探讨了根据地下不同深度岩性综合能量值判别地下岩层性质和位置的方法。

Based on statistical results and the volcanic lithology and facies map, high cracks surface pore concentrates at diatreme subfacies and cryptoexploisve sub-facies of volcanic conduit facies, inner subfacies of extrusive facies, pyroclastic flow subfacies and base surge subfacies of explosive facies, lower subfacies of effusive facies which are close to the volcanic edifices center. Holes surface pore focus on upper and middle subfacies of effusive facies which locates in the edifice slope.

将物性结果结合平面岩性岩相图，确定出裂缝面孔率高的区域主要集中在火山机构中心附近的火山通道相火山颈亚相和隐爆角砾岩亚相、侵出相内带亚相、爆发相热碎屑流和热基浪亚相、喷溢相下部亚相；气孔面孔率高的区域集中在距离火山口较近的斜坡处，亚相主要为喷溢相上部、中部亚相。

Each sequence can be diveded into system tracts based on the lithology, log, marine fossil of foraminifera and dinoflagellate.

通过分析钻井地层、测井曲线及地层中出现的有孔虫、沟鞭藻化石，对各层序进行了体系域划分。

Based on the sedimentary combination, lithology and sequence characteristic, two classes of sequence structures were generalized as structure entireness and structure lackness.

并根据剖面纵向沉积组合、岩性特征及层序特征，概括出结构完全型和结构缺失型两类层序结构。

It's considered that seismic velocity of metamorphic rock is related to metamorphic type and strength, density, lithology and geologic structure, at the same time, intense foliation structure and interlayer of rocks different in velocity make seismic velocity present obvious anisotropy and transverse imhomogeneity.

研究认为，变质岩的地震波速度与变质作用类型和强度、岩石密度、岩性及构造有关，同时由于该区超高压变质岩的面状构造发育，而且不同地震波速度的岩石在空间上表现出明显的迭置关系，因此地震波速度呈现出显著的各向异性和横向不均匀性。

According to the fossil assemblages and lithology, it is suggested that, during theCretaceous/Paleogene boundary time, Gamba basin was in a warm tropical, subtropicalshallow shelf-circulating environment. It can be recognized as carbonate gentle slope andcarbonate shallow bank facies.

根据岩石薄片鉴别出的生物组合及岩性特征，认为白垩纪/古近纪界线时期，岗巴盆地海洋环境是处于温暖的热带、亚热带浅海陆棚相-开放循环环境中，分为碳酸盐缓坡相和碳酸盐浅滩相。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷