The high pressure source mineralogy signaled by Andean adakite trace element characteristics originates in three ways.
由这种岩石的痕量元素特征揭示的高压组成矿物，表明其有三种可能的成因。
Therefore, the element ratios can be applied to the study of trace element characteristics of rocks in the tholeiite source region.
因此研究拉斑玄武岩源区岩石中的微量元素特征可以采用元素比值的方法。
The trace element characteristics of Cambian-Ordovician carbonates in Bachu area of Tarim basin are studied, and their enrichment mechanisms are discussed.
研究了塔里木盆地巴楚地区寒武-奥陶系海相碳酸盐岩的微量元素特征，探讨了微量元素的富集机制。
However, neither major element nor trace element geochemical characteristics can be explained by a simp le model of magmatic origin.
但是，无论是主元素还是痕量元素地球化学特征，均不能用单一的岩浆成因模型得到解释。
Gold ore bodies formed by every pulse and mantle-surge all show respective geochemical and element combination characteristics. Each mineralized trace element show regularity in vertical section.
每一次的脉动和幔涌形成的金矿体都表现了各自的地球化学特征和元素组合特征，成矿微量元素在垂向上具有各自的规律性。
The spider diagram of trace element ratio and the REE distribution patterns show the characteristics of the island arc calc alkaline series.
微量元素比值蛛网图和稀土元素配分型式具有岛弧钙碱性玄武岩的特征。
Therefore, the adjustment of farming according to soil characteristics and local conditions is the key to soil trace element management.
因此，根据土壤性质，因地制宜地采取合理的土壤管理措施，是农业生产过程中改善土壤微量元素管理的关键。
Therefore, the adjustment of farming according to soil characteristics and local conditions is the key to soil trace element management.
因此，根据土壤性质，因地制宜地采取合理的土壤管理措施，是农业生产过程中改善土壤微量元素管理的关键。
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