综合地球化学证据表明岩浆起源不受古俯冲体系的影响，而是幔源岩浆与榴辉岩相镁铁质岩石部分熔融岩浆混和的产物。
The deeply studies show the GD intrusions was mixed by magmas from mantle and from lower crust, without the effect of subduction system.
因此，岩浆起源于加厚地壳底部榴辉岩相镁铁质岩石的低度部分熔融，且岩浆源区受到了流体的影响。
Therefore, the magmas were the product of low partial melting of mafic eclogite at the base of the thickened crust, and their magma sources were affected by fluids.
稀土元素反映岩浆形成主要受部分熔融作用控制。
The REE evidence shows that the magma formation was mainly controlled by partial melting process.
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