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The results indicated that the formation of fault basin constrained by magnetic crystalline basement. The more complex of the crustal tectonic, the greater the difference mechanical strength between crust media, the smaller thermal water release less, the easier bred major earthquake.6. Mapped the new quaternary tectonic map of four fault basin based on the data of shallow seismic profiles, drilling, and the redrawn fault system divided by the potential data processing, etc.

研究结果表明断陷盆地的形成受磁性结晶基底的制约;地壳结构越复杂,地壳介质之间的力学强度差异越大,热水点年释放量越小,就越容易孕育和发生大的地震。6、利用浅层地震剖面、钻井等资料,并参考重磁划分的断裂系,新编制了山西四个断陷盆地的第四系构造图。

Structural Geology A is a brach subject and base of geology ,.

构造地质学A是一门地质专业基础课,研究的对象是地壳或岩石圈中,尺度的地质构造。

In some way, the nature of the geochemical field shows that the deep fluid took part in the energy mineral reservoir formation and mineralization.2、 In zones with the strong tectonic activity and basement faults, the elements combination of petroleum is complex and the material from deep resource can be found in which. The character of elements geochemical and carbon isotope all show that there are deep fluid components in some Energy Minerals. The material source of the water accompanying with petroleum reservoir is complex, and which with multi-sources. The character of elements geochemical shows that the uranium of Dongsheng uran ore comes from the upper crust, the greyish-green gritstone and hoary kaolinised argillaceous siltstone is important for the formation of uranium deposits,and the grey gritstone is great potential to surveying uranium deposits .

基底断裂带和构造活动强的区域,原油中元素组合复杂,并含有深源物质;元素地球化学特征和同位素特征反映部分能源矿产中含有深部流体成分;盆地内油气藏伴生水的物质来源较为复杂,具有多源性;元素地球化学特征显示东胜铀矿的铀源主要来自上地壳,灰白色高岭土化泥质粉砂岩及灰绿色粗砂岩对铀矿的形成具有重要的意义,灰色粗砂岩具有良好的找矿潜力;元素地球化学特征还表明,黑岱沟煤及煤层夹矸中微量元素来源于上地壳。

The SN structure is superimposed and compounded by Paleozoic relict structure of the lithosphere and new production from the mantle or the core-mantle interface.

SN向构造是在地壳或岩石圈中被保留下来的古生代构造基础上,后期可能源于深层次甚至下地幔动力学过程的表现。

The high conductive layer in the southern Qiangtang terrane crust is related with the Bangong-Nujiang tectonic belt resisting the India plate underthrust.

研究结果表明:构造带及其两侧上地壳内广泛分布不连续高阻体,反映了岩浆岩的空间分布特征,表明构造带南北两侧岩浆的活动规律可能存在较大差别。

Neoproterozoic Baoxing Complex in middle to lower metamorphic grade, located in western margin of Yangtze Craton, consists mainly of metamorphic gabbroic, dioritic gneisses, tonalitic and granodioritic gneisses, and massive monzogranites The studies of petrochemistry and SmNd isotopes of Baoxing Complex reveal that the gabbroic and dioritic magmas came from a congenetic magma derived from the partial melting of spinel lherzolites in depletive mantle, and that the magma was intensively contaminated by crustal materials during its emplacement The tonalitic and granodioritic magma were derived from the partial melting of metamorphic basalts in the lower crust And the monzogranitic magma was formed from partial melting of metagreywacks Integrating the lithological association, their trace elements, SmNd isotopic characteristics and petrogenesis, the Baoxing Complex must likely have been emplaced in an island arc tectonic background at the Neoproterozoic active continental margin of Yangtze Craton

位于扬子克拉通西缘的新元古代宝兴杂岩主要由中低级变质的辉长质片麻岩、闪长质片麻岩、英云闪长质到花岗闪长质片麻岩和块状二长花岗岩组成。岩石地球化学和SmNd同位素特征表明,辉长质片麻岩和闪长质片麻岩为同源岩浆演化序列,原始岩浆起源于亏损地幔尖晶石橄榄岩的部分熔融,在上升和侵位过程中受到了地壳岩石强烈混染。英云闪长质和花岗闪长质岩浆形成于下地壳玄武质岩石部分熔融,而二长花岗质岩浆形成于杂砂岩的部分熔融。综合分析宝兴杂岩的岩石组合、微量元素和同位素特征,该杂岩体最有可能形成于新元古代活动大陆边缘火山弧构造背景,并可能经历了碰撞过程。

The geosynclinal tectonic layer was composed of sandstone-slate rocks of Lengjiaxi Group in the area.

湘东地区属于雪峰山构造带的东延部分,其区域地壳演化至少经历了前地槽、地槽、地台和地洼等构造发展阶段。

In accordance of dynamical analysis to asymmetric basin forming, it is restricted doubly by crust multi-layer rheological structure and regional geotectology background in the Lower Yangtze regional crust, especially in close relationship with action of C-layer (18-20km) in the Lower Yangtze region crust. After quantitative analysis of mutual relation between the basin geometrical feature and the crustal structure, a new way will be supplied to the research of Mesozoic-Cenozoic sedimentary basin evolution and the oil -gas exploration in the Lower Yangtze region.

在此基础上,对非对称盆地形成的动力学分析认为,它受下扬子地区地壳多层次流变结构及区域大地构造背景的双重制约,尤其与下扬子地区地壳C层(18-20Km)的活动密切有关,定量分析了盆地的几何学特征与地壳结构之间的相互关系,为下扬子地区中新生代沉积盆地演化的研究及其油气勘探提供了新的研究途径。

Near post 47km there is a high dip angle fault stretching from the lower part of the upper crust to the top of the crust_mantle transitional zone. This strike_slip fault has a direct bearing on the occurrence of the Jiashi strong earthquake swarm and is an inferred causative fault for the swarm (1997) according to this study.

剖面47km桩号附近,上地壳下部至壳幔过渡带以上地壳范围内存在一条高倾角的深断裂,具有走滑性质,本研究认为该深断裂与1997年伽师强震群的发生密切相关,推断它为伽师强震群的发震构造。

However,earth sciences have been proceeding,the plate tectonics becomes insufficient tointerpret the complicated tectonic features in the earth crust,especially in the Early Pre-cambrian shields, platform s and cratons.

然而随着地球科学理论的发展,板块构造理论对于解释地壳,特别是早前寒武的地盾、地台和克拉通区的复杂构造现象显得不完备,因此,近20年来地体构造理论的发展补充了板块构造理论的不足。

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