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astronomical
:
math, physics, and chemistry
>
decrement element
depleted element
在研究地壳及地幔的演化问题时,人们提出“原始地幔”的概念,原始地幔成分用球粒陨石成分表示。不同时空的地幔或地壳岩石与原始地幔相比,明显贫化的元素称为
亏损元素
。