岩浆石时岩浆活动的产物。岩浆是地下深处一种黏稠的高温熔融物质，并含有大量的挥发性气体。
锆石开始是熔融的岩浆，来自火山的热熔岩。
Zircon starts off as molten magma, the hot lava from volcanoes.
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。
Fayalite-bearing quartz syenite could represent the early fractional stage initial granitic magma derived from archean protolith in a deeper and reductive environment.
随著岩浆冷却，首先结晶出的矿物是橄榄石和辉石，富含铁和镁。
As magma cools, the first minerals to crystallize are olivine and pyroxene, which are rich in iron and magnesium.
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