岩浆岩具有幔源岩浆及造山带地区火山岩的特征。
The magmatite is characterized by the mantle-derived magma and the volcanic rocks occurring in orogenic belt.
其中辉绿岩和煌斑岩是典型的幔源岩，花岗伟晶岩则是典型的壳源岩。
The diabase and lamprophyre are typical mantle source rock while the granite pegmatite is typical crustal source rock.
溢流玄武岩的同位素体系特征表明它们的源区涉及再循环地幔的壳幔混合、岩石圈减压熔融、上—下地幔过渡带和似原始-略亏损的下地幔。
Isotopic systematics of flood basalts indicate that their sources are involved in crust-mantle mixing in a recycled mantle, decompression melting of lithosphere.
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