有关PGE比值不仅可以反映出元素的地球化学行为，亦可区分或指示不同环境下pge地球化学演化的规律性。
PGE ratios can not only show the geochemistry action of platinum-group element, but also explain the geological evolution rules of PGE in different environment.
惰性气体同位素地球化学是研究地幔脱气作用和地球大气形成与演化的有效工具。
Noble gas isotopic geochemistry is a useful tool for studying on mantle degassing and evolution of the Earth's atmosphere.
本文通过岩溶特征分析和模拟试验研究，探索了岩溶形成演化环境及水文地球化学和水动力学蚀变模型。
Through the analysis of karst characters and study of simulated tests, the paper explores environment of formation and evolution of karst and hydrogeochemistry and hydrodynamic alteration model.
地球化学省是区域岩石圈演化过程中形成的，是具有共同成因的、一定规模的地质单元的地球化学表现。
The geochemical province, formed in the course of regional lithospheric evolution, is characterized by geological units with common origin and certain sizes.
矿物组成及地球化学特征显示石平川岩体为高演化I型花岗岩。
Mineralogy and geochemistry suggest that the Shipingchuan K-feldspar granite intrusion is a highly fractionated I-type granite.
从而为正确认识古特提斯洋的演化和盆山转换过程提供了强有力的地球化学证据。
This provides strong geochemical evidences for correctly understanding the evolution of the old Tethys and the basin range transition.
利用岩石地球化学的可示踪性，研究了高镁火山岩浆的源区特征、岩浆演化。
Using the tracer ability of petrogeochemistry, the paper discusses on source characteristics and magma evolution of the high-Mg volcanic rocks.
沉没事件是碳酸盐岩台地发育、演化终止的一个重要标志，它具有特定的地质、地球化学及地震反射特征。
The drowning event is a key marker representing the termination of carbonate platform development and has some features of geology, geochemistry and seismic reflection.
指出，现今大量的地球化学资料证实，烃类在很大程度上是由天然的CO、CO2、H2在全球无机合成带的地质演化过程中形成的。
It is approved from a great number of geochemical data that hydrocarbons could be formed from co, CO2 and H2 in global inorganic synthetic zones by geologic evolution process to a great extent.
三种地球化学系列锡矿床的形成与地壳及地球的演化有密切的关系。
The formation of tin deposits of the three series could be closely related to the evolution of the Earth's crust.
根据不同期次钾长花岗岩在地球化学组分方面存在的差异变化，有助于了解地壳成分及地壳构造运动在时间上的演化。
There is variation of geochemical composition in the different stage moyite, which will help us to understand the evolution of the crustal composition and movement in the time.
稀土元素地球化学研究为新疆准噶尔地区二叠纪后碰撞阶段的岩浆作用机理及地球动力学演化过程提供了重要证据。
The REE geochemical research has provided the important evidence for the mechanism of the Premian post-collision stage and the geodynamical evolution process.
地球化学特征及区域构造演化背景等表明岩石形成于挤压造山向非造山转换的后造山拉张环境。
Geochemical characteristics and regional tectonic evolution background indicate that the rocks were formed in a post-orogenic extension environment.
地壳早期演化研究的主题是探讨早期大陆形成、生长和再循环的地质过程及其地球化学和地球物理模式。
The topic of the study of the evolution of early crust is to probe into the processes of early continental formation, growth, and recycling, and their geochemical and geophysical models.
通过地球化学分区与构造演化的关系研究，探讨了地球化学区形成的构造过程。
According to the relationship between the geochemical division and the tectonic evolution, the tectonic process during the formation of geochemical regions is discussed.
[6]杨承海。鲁西中生代高镁闪长岩的年代学和地球化学：对华北克拉通岩石圈演化的制约[D]。长春：吉林大学，2007。
YANG Cheng-hai. Chronology and Geochemistry of Mesozoic High-Mg Diorites in Western Shandong:Constraints of Lithospheric Evolution of the North China Craton[D]. Changchun:Jilin University, 2007.
从无机地球化学角度看，研究段内自下而上水体逐渐变淡，酸性有所增强，酸性环境有利于有机质的成熟演化。
From inorganic geochemistry, the study results in this paper show that, the information water in the studied interval becomes fresh and its acidity becomes a little strong from the lower to the upper.
两类花岗岩的稀土元素地球化学特征明显不同，这与其所处的不同后碰撞构造演化阶段密切相关。
The characteristics of two types of granites are different, since A type and I type granites which formed at different stage of the post-collisional period.
地球化学研究表明花岗岩具有分离结晶演化特征，属典型的裂谷型花岗岩。
Geochemical features of the granite suggest that it is a typical rift-type granite with the evolution of fractional crystallization.
地球化学研究表明花岗岩具有分离结晶演化特征，属典型的裂谷型花岗岩。
Geochemical features of the granite suggest that it is a typical rift-type granite with the evolution of fractional crystallization.
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