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讨论了壳源及幔源氦、氩同位素组成特征的“横人字型”模式、二氧化碳丰度分布、同位素组成及其成藏和80年代以来地学研究热点之一的幔源甲烷等有关问题。
The paper discusses the “horizontal herringbone” pattern of the composition of the helium and argon isotopes in the crust and mantle, the abundance distribution of carbon dioxide, the isotopic composition, and the formation of mantle-derived methane, one of the hotspots of geosciences since the 1980s.