岩浆类型 meaning in English

magma type

By calculating the calc - alkali index ( ca ) and alumina saturation index ( asi ) , the magma types of the granites can be roughly determined
通过钙碱指数( ca )和铝饱和指数( asi )的计算，可以大体获知花岗岩的岩浆类型。
Granitic tectono - magmatic assemblages mainly reflect the genetic connections between the magma types of granites and tectonic environments
摘要花岗岩的构造岩浆组合主要反映花岗岩的岩浆类型与大地构造环境之间的成因联系。