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挥发份在成矿熔体和流体的形成与演化过程中扮演着相当重要的角色。直接分析火成岩矿物中的熔融包裹体是确定岩浆结晶前挥发份含量的最理想方法。本文在现有熔融包裹体（和海底火山淬火玻璃）中挥发份含量数据的基础上．估算了主要挥发价（H2O、CO2、Cl、F、S等）在基性、中性和酸性等各类岩浆中的平均含量。
Volatiles play an important role in the formation and evolution of metallogenic melts and fluids. Direct analysis of igneous inclusions in igneous minerals is the best method to determine the content of volatile matter before crystallization of magma. Based on the data on the volatile content of the existing melt inclusions (and submarine volcano-hardened glass) The average volatilities (H2O, CO2, Cl, F, S, etc.) of various types of magma, such as basic, neutral and acidic, were estimated.