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vague and general相关的网络例句

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The analysis of lamprophyrespetrology chemistry reveals that it is a series of high potassium- potassium dike rock,it is abandunt in alkali(K2O,Na2O)and has a large reducing capacity.The diagrams of the major-element variation shows that the geochemical compositions-variations of the major oxides have vague general rules of homologous magmatic fractional-crystallization.the pearce diagram of trace elements shows it intensively enriched in LILE,intensively depleted in coherence elements(such as CrNi.et al).

煌斑岩的岩石化学分析表明,乳山地区与金矿成矿相伴生的煌斑岩为高钾质-钾质的碱性脉岩系,富碱(K_2O、Na_2O),具较强的还原能力(FeO含量均远高于Fe_2O_3含量),在哈克图解上,主要氧化物的变异规律表现出岩浆分离结晶演化的特点;微量元素的Pearce图呈现强烈的富集LILE,强烈亏损过渡族元素,稀土元素呈向右倾斜的轻稀土富集配分模式,在有关源区性质判别的图解(Cr-Ce/Sr图解和Ce/Yb-Ta/Yb比值图解)上均显示富集地幔源区的性质。

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