Heterogenity of the carbon source implies the magma beneath the North China platform was not homogeneous at Late Mesoproterozoic.

形成晶体的碳质来源不均一，反映了中元古代华北陆台下地壳岩浆成分的不均一性。

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Heterogenity of the carbon source implies the magma beneath the North China platform was not homogeneous at Late Mesoproterozoic.

形成晶体的碳质来源不均一，反映了中元古代华北陆台下地壳岩浆成分的不均一性。

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