The magmatite is characterized by the mantle-derivedmagma and the volcanic rocks occurring in orogenic belt.
岩浆岩具有幔源岩浆及造山带地区火山岩的特征。
2
Fayalite-bearing quartz syenite could represent the early fractional stage initial granitic magmaderived from archean protolith in a deeper and reductive environment.
含铁橄榄石石英正长岩，代表了岩浆分离结晶初期还原条件下，太古代母岩派生的初始岩浆组成。
3
The magma was derived from the middle crust and the material of volcanic rocks originated from the crust.