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- This course provides a strong fundamental background in structural geology of the various tectonic settings. 该课程提供不同构造条件下构造地质学的坚实的基础背景知识。
- The geochemistry and tectonic settings of the Palaeozoic diabase-porphyrite are also treated in detail. 详细调查了古生代辉绿玢岩岩石地球化学特征;
- Mapping techniques, examples and exercises for extensional and compressional tectonic settings are the core of the course. 制图技术、扩张和挤压构造环境中的实例和练习是本门课程的核心。
- In addition, the discrimination diagrams may tell us more about petrogenetic processes and sources besides tectonic settings. 此外,一些构造环境判别图解还能给出岩石的成岩过程和源区。
- Based on the research mentioned above, the relationships between the origin of the massive sulfide deposits and the Meso-Neoproterozoic rifling tectonic settings are discussed. 在此基础上初步探讨了中-新元古代古裂谷环境与块状硫化物矿床形成的成因联系。
- The Paleogene tectonic anticlines in Jizhong Depression related closely to extensional faults associated with dextral shear were developed in extensional tectonic settings. 冀中坳陷的下第三系构造背斜主要形成于伸展断陷背景下,与正断层系统联系紧密。
- Closely related to the intraplate and surrounding tectonic settings, the spatial variation of the principal strain field of the PHIL is a reflection of the tectonic stress field. 菲律宾海板块主应变场的空间变化与板块内部及周围的构造背景密切相关,是构造应力场的反映。
- Writers consider it would be better that the plate tectonic settings and the interaction between lithospheric plates were not put into the definition of the orogen. 指出不宜将造山带定义直接与板块边缘构造位置和板块间相互作用联系在一起;
- Therefore, the Qingshuigou ophiolites may be the product of island-arc volcanic activity, and probably generated in the fore or back-arc tectonic settings. 所以中祁连清水沟蛇绿岩属岛弧火山活动的产物,可能形成于弧前或者弧后的构造环境。
- There is much comparability between the tectonic settings and their controlling factors of the Qaidam basin and the Los Angeles basin, especially the Altun Fault and the Santa Monica Fault Trend. 摘要柴达木盆地与洛杉矶盆地在构造特征和演化主控因素等方面具有很大的相似性,其中阿尔金断裂带和圣莫尼卡断裂带构造活动特征非常相似,两者山前地区的构造背景也具有可比性。
- A sedimentary model is thus suggested for the upper member of the Hesan Formation on the basis of source area and its tectonic settings,in combination with well logs and geological data as well as the distribution of the seismic facies. 在明确研究区物源方向、物源区及其大地构造性质的基础上,综合利用研究区目的层段的钻井、测井及地质资料,根据其地震相平面展布特征,将地震相转换为沉积相,并由此归纳出研究区核三组上段的沉积模式。
- These basalts are characterized by the tectonic settings of the oceanic within plate alkaline basalts in both the submarine eruptive facies and pelagic radiolarian silicalite facies. 它以具有海底爆发相与远洋放射虫硅质岩相整合和大洋板内碱性玄武岩的构造环境为主要特征。
- However, many current studies failed to notice certain macroscopic disparities between Archaean and Phanerozoic geological entities rationally and understand global gold occurrences and some tectonic settings properly. 但是,目前众多研究对前寒武地质与显生宙地质的宏观差异、世界金矿一些总体规律及若干具体大地构造背景等尚认识不足。
- The data and graphs from petrochemistry and geochemistry approve that the tectonic setting is continental margin arc. 岩石化学及地球化学的各种参数和图解表明,其形成于陆缘岛弧环境。
- The discriminant figures of tectonic setting show that the mafic rocks was formed in seamount setting. 通过地球化学图件判别,认为该基性杂岩形成于洋中脊的构造环境。
- The deposit is located in the middle of the Altyn mineralization belt with very complicated tectonic setting. 该矿床位于阿尔金成矿带中段,所处大地构造环境非常复杂。
- Search is possible by bibliography, tectonic setting, geography, chemistry, petrography, and precompiled files. 可以从参考书目、地质构造、地理学、化学、岩相学或事先编辑好的档案进行检索。
- It is now our aim to set up a factory. 我们现在的目的是创办一座工厂。
- On this basis and in combination with the regional tectonic setting, the tectonic evolution history of the basin has been discussed. 在此基础上,结合区域构造背景,探讨了盆地构造演化史。
- From the view of characteristics of the thrust as well as regional tectonic setting, its main genesis should be the Indo-Chinese Epoch gliding napping. 从该断层的特征结合区域构造背景来分析 ,印支期的滑覆运动应是其主要成因。