岩浆起源于上地幔，属于拉斑玄武岩系列，发生过金属硫化物的熔离作用。
The magma originated from the upper mantle and belongs to the tholeiitic series which has undergone immiscible separation of metal sulfide.
玄武岩属于亚碱性系列中的拉斑玄武岩。
湘东南玄武质岩石包括碱性玄武岩和拉斑玄武岩两个系列 ，以碱性玄武岩系列为主。
The basaltic rocks in Southeastern Hunan Province include alkali basaltic series and tholiitic basaltic series, the alkali basaltic series is in great number.
湘东南玄武质岩石包括碱性玄武岩和拉斑玄武岩两个系列 ，以碱性玄武岩系列为主。
The basaltic rocks in Southeastern Hunan Province include alkali basaltic series and tholiitic basaltic series, the alkali basaltic series is in great number.
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