结果显示:该岩石属于钙碱性系列,富集轻稀土元素(LREE)和大离子亲石元素(Rb、U、Th),明显亏损重稀土元素(HREE)和高场强元素(Nb、Ta),表现出岛弧岩石的特征且源于亏损地幔,洋壳俯冲作用过程中地壳物质增生的重要组成的部分。…
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研究表明玄武岩首先风化形成蒙皂石族粘土矿物,在此过程中稀土元素没有明显的分馏作用,强风化的玄武岩重稀土元素强烈亏损;
It is concluded that the half-weathered basalts have not distinct REE fractionation and strong weathered basalts had HREE loss in the process of the basalts weathered to form smectite family minerals.
稀土元素球粒陨石标准化曲线显示轻稀土富集重稀土亏损;
The standard curve of chondrite of rare earth element reveals a deficit of light rare earth enriched the heavy one;
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