地质学

Furthermore, through the way of Quaternary Geology, Tectonic Geology and Geography, the coupling relation between eco-environment and geotectonics has been discussed based on the Theory of Dissipative Structure and the Hypothesis of Wavy Mosaic Structure.(1) Clear-cut of related ideas.

本文以陕西生态环境以及生态环境与构造的关系为研究对象，综合运用野外调查、遥感GIS手段、历史文献分析等，系统论述了陕西各种生态环境特征、危害及其成因；在此基础上，应用第四纪地质学、地质构造学、以及自然地理学的基本方法分析了陕西生态环境特征和问题形成的构造机制，运用耗散结构理论和波浪镶嵌构造学说从理论与实践的结合上，探讨了生态环境整体性与构造的耦合关系。

Therefore, granitoid is one of the most difficult topics in geology due to its complex sources and formation processes.

因此，花岗岩类是地质学最复杂的话题之一，因为其源区岩石多种多样和形成过程非常复杂。

Scientists describe this phase in Earth history as the Hadean, and it has long been thought that it would be impossible for life to begin at this time because of the inhospitable conditions on the young planet.

可是现在，一切都在改变。地质学的天空也开始有了两朵乌云。

Sandstone type uranium ore is a epigenetic hydrogenic uranium deposit, and its mineralizing theory is mainly on the basis of the hydrogeology and hydrogeochemistry, and many key problems need to explore in the course of uranium ore-forming have closely to do with hydrogeochemistry.

砂岩型铀矿是一种后生水成铀矿床，其成矿理论是建立在水文地质学、水文地球化学等学科基础上，矿床形成中的许多有待探索的关键问题都与水文地球化学密切相关。

The hydrogeological survey in the Unite States with a history of more than one hundred years is playing a leading role in the world for a long time.

美国水文地质调查经历了100多年的发展，在该领域长期居于国际领先地位，影响和引导了国际水文地质学的发展方向。

The main task of the course is to make the students grasp the basic knowledge of Hydrologic Geology.

课程的主要任务是让学生掌握水文地质学的基本知识。

Based on lots of achievements of predecessors, directed by reservoir sedimentology, high-resolution sequence stratigraphy and petroleum geology, taking full advantage of loggin, core and thin section data from different wells, this paper has taken detailed study on the Upper Paleozoic strata in Tabamiao area.

本论文在众多前人研究成果的基础上，以储层沉积学，及高分辨率层序地层学、石油地质学等理论为指导，充分利用测井、钻井岩芯、薄片鉴定等资料，针对塔巴庙地区上古生界沉积相及沉积微相类型与展布，高分辨率层序地层特征与层序—岩相古地理演化，成岩作用类型与序列，孔隙类型与特征，以及储层物性特征与分布规律等方面展开了系统深入研究，最后对有利区带进行了预测。

Geologic evidence ; Mesozoic mantle enrichment ; Early Jurassic mafic ultramafic intrusion ; Meizhou of Guangdong Province

地质学证据；中生代地幔富集作用；早侏罗世基性超基性岩体；广东梅州

Crust- mantle metallogeny is an important bridge linking deep geology with regional metallogeny.

中文摘要：壳幔成矿学是联结深部地质学与区域成矿学的重要桥梁。

The CSIRO-GEMOC Nuclear Microprobe is an advanced microanalytical probe based on MeV energy ion beams, designed for geological applications and featuring ）.

澳大利亚联邦科学与工业研究组织的原子微探针是先进的微量分析的探测器，主要研究地质学应用软件。

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。