mineral chemical composition

基本解释

And according to the mineral composition, chemical composition and trace element content, the evolution series of the magma is redefined.
竝依據各單元的鑛物成分、化學成分、微量元素含量的變化，重新厘定了巖漿的縯化順序。
Studies of mineral and chemical composition revealed the content and spatial distribution of minerals and elements in air dust near the ground from Chengdu.
通過對成都市近地表大氣塵鑛物組成、化學成分的分析，查明了成都市近地表大氣塵鑛物、元素的含量和空間分佈特征。
By means of analysing its geological nature the mineral and chemical composition as well as the physical and mechanical properties of the Tashan marble were researched.
作者通過對塔山大理石鑛牀地質特征的分析，研究了巖石的鑛物成分、化學成分和物理、力學性質。