查询词典 petrogenesis

Despite of this, the field geology and the character of pyroclastic rocks remain the basis of the petrogenesis of pyroclasic rocks.

尽管这样，野外地质和火山碎屑岩的岩性特征，仍是火山碎屑岩成因研究的基础。

This will have important implication to petrogenesis of alkaline rocks and their relationship to gold deposits, and structure of subcontinental lithospheric mantle and geodynamics.

此项研究成果对碱性岩的成因理论及其与金矿的关系以及探索本区大陆岩圈的结构和动力学过程均具有重要意义。

The petrogenesis of both the HT and LT magmas was further complicated by contamination of crust and lithospheric mantle.

HT和LT岩浆的岩石成因又进一步为地壳和岩石圈地幔的混染作用所复杂化。

The study of ferrogabbro and its petrogenesis will play an important role in studying tectonic setting and dynamic background, deep process of the Beijing area during Yanshanian Movement.

铁辉长岩及其成因的研究将对揭示燕山期北京地区的构造环境和动力学背景、深部过程具有重要的启示意义。

It is concluded that the age of ductile shearing is about 140 Ma, indicating that ductile shearing deformation occurs after petrogenesis and mineralization.

据此认为韧性剪切变形的年龄为140Ma左右，韧性变形发生在成岩和成矿之后。

The results have important implications for identifying different types of granite. And apatite chemistry can be used as an excellent indicator for granite petrogenesis study.

依据磷灰石的REE配分模式可有效地区分不同类型的花岗岩，以此作为花岗岩岩浆演化的指示。

This website is entirely dedicated to skarns and covers their petrogenesis, geochemistry, mineralogy, and economic occurrences such as exploration strategies.

本网站一直以来致力于硅卡岩、硅卡岩成因论、地球化学、矿物学以及产供销情况等方面的研究和信息报道。

Based on this study, a summarization has been made on the temporal and spatialdistribution regularity of the Mesozoic granitoids and their comprehensive characteristics, and adiscussion done not only on material source and geological and tectonic setting for the formationof the granitoids but also on their petrogenesis.

在此基础上，本文初步总结了区内中生代花岗岩类的时空分布规律和综合特征，探讨了其物质来源和形成的地质构造背景，讨论了它们的成因。

Understanding the nature and petrogenesis of these rocks has significant implications for the regional tectonic evolution and the assembly and break-up of the supercontinent Rodinia.

华南广泛发育新元古代岩浆岩，深入了解这些新元古代岩浆岩的成因对研究区域大地构造及其在Rodinia超大陆的聚合－裂解演化中的作用有重要意义。

It will be helpful for the understanding of a complete process of the petrogenesis and evolution of pegmatites, the impact of voltiles (including H〓O, F, B, P) on the physical prorerties of peraluminous magmatic system, and the fractionation of REE and incompatible elements in the system.

对上述问题的研究和探讨，将有助于了解伟晶岩形成和演化的全过程，有助于了解挥发分对过铝质岩浆体系物理性质以及对REE和其它微量元素地球化学行为影响，这对于理解过铝质岩浆体系成岩、成矿作用过程具有重大的理论和实际意义。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。