magma evolution造句
例句与造句
- Using the tracer ability of petro - geochemistry , the paper discusses on source characteristics and magma evolution of the high - mg volcanic rocks
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。 - Finally , a review is made on the genetic relationships between mineralization and magma evolution and the associated characteristic of ore systems
文中还介绍了层状岩体中典型矿床的成矿作用与岩浆演化过程的成因联系。 - There develops a suit of meta - spilite baschtaunite system volcanic rocks in the south of lushan mountain . lithology combination reflects the regularity of magma evolution from basic to acid
庐山南麓发育一套变细碧-石英角斑岩系火山岩，岩性组合从早到晚反映了由基性到酸性的岩浆演化规律。 - Abstract : there develops a suit of meta - spilite baschtaunite system volcanic rocks in the south of lushan mountain . lithology combination reflects the regularity of magma evolution from basic to acid
文摘:庐山南麓发育一套变细碧-石英角斑岩系火山岩，岩性组合从早到晚反映了由基性到酸性的岩浆演化规律。 - This paper mainly summarizes the tectonic setting , common features , nature of the parental magmas , genesis of rhythmic layers of various types of layered intrusions , and the important roles that magma mixing and crustal contamination play in magma evolution
文中主要总结了不同类型层状岩体形成的构造背景、基本特征、母岩浆特征和韵律层理成因，以及岩浆混合和地壳混染在岩浆演化过程中起到的重要作用。 - It's difficult to find magma evolution in a sentence. 用magma evolution造句挺难的
- During the yanshanian phrase , the area is in the condition of contractional background , with multi - staged tectonic reversion . 5 . through studying the origin of volcanic rocks and the characteristics of magma evolution , it concludes that there exist 3 originated areas of magma - from mantle , crust , and mantle - crust exchange . the basic magma of nandaling volcanic rocks of early jurassic is derived from upper mantle ; the magma of tiaojishan volcanic rocks of mid jurassic is formed in the contractional tectonic setting , and derived from the transition zone of crust and mantle interaction ; the acid magma of l
5 、通过岩石化学、微量元素、稀土元素的研究，探讨了不同级别节律的火山岩成因、岩浆演化等特征，认为本区燕山期火山岩有三个岩浆源区，即地幔源、地壳源和壳幔混源，早侏罗世的南大岭旋回的基性岩浆，起源于上地幔；中侏罗世髫髻山旋回火山岩是在相对挤压环境中，岩浆起源于壳幔过渡带；晚侏罗世无负eu异常的酸性岩浆来源于下地壳的古老结晶基底的局部熔融，有负eu异常的酸性岩浆来源于上地壳的局部熔融；早白垩世火山岩基性岩浆起源于上地幔，中性岩浆起源于下地壳底部的壳幔过渡带。 - The paper based on synthesize domestic and foreign ' s study achievement about basalt , systematical review basalt research history , present condition about basalt formation contributing factor and it ' s magma source area quality , uses the basalt to distinguish the earth ' s mantle type , the connection basaltic magma evolution and continent dynamics , and uses the basalt to distinguish tectonic environment
系统地综述了玄武岩的成因和岩浆源区性质、利用玄武岩判别地幔类型、玄武质岩浆的演化与大陆动力学关系，以及判别构造环境等方面研究的现状。