Noble gas isotopic geochemistry is a useful tool for studying on mantle degassing and evolution of the Earth's atmosphere.
惰性气体同位素地球化学是研究地幔脱气作用和地球大气形成与演化的有效工具。
Deep source gas refers to inorganic genetic gas or abiogenic gas which comes from deep crust or upper mantle, and has apparent geology and geochemistry characteristics.
深源气是指来自地壳深部或上地幔的无机成因天然气或称非生物成因天然气，它具有明显的地质地球化学特征。
This paper deals with the advance in study of the composition, geochemistry and deep seated fluids of lower mantle.
主要论述深部地幔的组成、地球化学及深部流体研究的进展。
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