三种火山岩均属钾质钙碱性系列，岩石化学成分显示为同源岩浆产物。
The three volcanics are of kalium alkaline series, with their chemical elements showing the same magma origin.
综合岩石学、地球化学和同位素等方面的对比研究，笔者认为八大石闪长质包体属于同源包体，为寄主花岗岩同源母岩浆经结晶分异作用形成的早期产物。
Petrologic, geochemical and isotopic studies prove that the Badashi dioritic enclaves are autoliths and the earlier products generated by crystal fractionation of the host granite parental magma.
现行的单元-超单元填图方法是依据花岗岩类的i型、s型分类理论和同源岩浆演化理论而建立的。
The unit and super-unit mapping method in use is based on the theories of the i-type and s-type classification as well as the comagmatic evolution theory.
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