They can be used to track the mantle structure, degassing history, inhomogeneity, magma evolution and the genesis of natural CO2.
它们可对地幔结构、地幔脱气历史、大陆地幔不均一性、幔源岩浆演化和CO2天然气成因等研究提供独特的示踪作用。
The idea that quartz vein is the last product of magma evolution has been widely accepted for a long time.
关于地壳中广泛分布的石英脉体的成因，传统的岩浆演化最终产物的观点，长期以来被广泛接受。
Using the tracer ability of petrogeochemistry, 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。
The crystal separation of megacrysts has caused the evolution of REE in the magma. It is obvious that some host basalts are the product of magma evolution after crystal separation.
巨晶的结晶分离导致了岩浆的稀土元素演化，一些寄主玄武岩显然是由岩浆经历了巨晶分离后的产物。
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。
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。
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