花か崗こう岩がん質しつマグマ

noun

granitic magma

Technical term used in geology and petrology for magma with a composition that can crystallize into granite.

• 花か崗こう岩がん質しつマグマは大たい陸りく地ち殻かくの形けい成せいに重じゅう要ような役やく割わりを果はたす。

  Granitic magma plays an important role in the formation of continental crust.