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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释义
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。
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