結けっ晶しょう分ぶん化か作さ用よう

noun

crystallization differentiation

Technical term in geology/petrology referring to the process by which crystals separate from magma during cooling, leading to chemical differentiation of the remaining melt.

• 結けっ晶しょう分ぶん化か作さ用ようはマグマの化か学がく組そ成せいを変へん化かさせる重じゅう要ようなプロセスである。

  Crystallization differentiation is an important process that changes the chemical composition of magma.