They are the product of AFC process caused by underplating alkaline basaltic magma mixing with lower crustal dioritic magma,other than the product directly differentiated from alkaline basaltic magma.

 
  • 侵入岩体可划分为碱性系列及钙碱性系列,不是从碱性玄武岩浆直接分异演化而成的,而是底侵的碱性玄武质岩浆与下地壳闪长质岩浆混合、发生AFC过程的产物。
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