派生岩浆（derivative magma）由原生岩浆或原始岩浆(母岩浆)经同化作用、混合作用、分离结晶作用后所派生出来的岩浆。
熔浆来源于慢源，可能是玄武岩浆分异的、富挥发分富钠质的“派生岩浆”。
The magma is originated from the mantle and maybe the "derivative magma" rich in volatile and sodium, formed by the differentiation of basalt magma.
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.
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