evolution trend of magma 岩浆演化趋势
The emplacement and evolution of magma are not only a trend of material evolution but also a process of energy release and transfer.
岩浆的侵位和演化过程不仅仅表现为物质上的演化趋势，而且也是能量的释放和转移过程。
The magmatic evolutionary series shows a general trend of evolution from high to low basicity of magma, from great to shallow depths of magmatic intrusion and from strong to weak wall-rock alteration.
岩浆演化序列表现出岩浆基性程度由高变低、侵入深度由深变浅、围岩蚀变由强变弱的总体演化趋势。
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