本区花岗岩的成因是复杂的，既有花岗岩化作用（交代作用）和深熔作用形成的花岗岩，又有岩浆分异结晶作用的产物。
It is suggested that the genesis of the granites in the region is complex in that they are formed by granitization ( metasomatism ), anatexis and magmatic fractionation .
花岗岩化作用