利用岩石地球化学的可示踪性，研究了高镁火山岩浆的源区特征、岩浆演化。

Using the tracer ability of petrogeochemistry, the paper discusses on source characteristics and magma evolution of the high-Mg volcanic rocks.

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如果这是真的，月球和地球的地幔岩石从地球化学上来看应该是相同的。

If it is true, the mantle rocks of the Moon and the Earth should be the same geochemically.

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这种岩石样品叫做岩心。可用地质的和地球化学的方法对岩心加以分析。

Such rock samples are called cores, and it is possible to analyze them by both geological and geochemical methods.

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