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.
矾山岩体为一偏碱性超镁铁岩-正长岩杂岩体，其中蕴藏着中国北方最大的岩浆型磷灰石矿床。
Fanshan intrusive body is a complex body of meta-alkaline ultramafic rock-syenite. It hosts the biggest magmatic apatite deposit in north China.
这些表明不同稀土特征的萤石来自相同的源区，稀土成矿流体与碳酸岩和正长岩岩浆存在密切联系。
This suggests that the different REE fluorites were products of the same source, and REE ore-forming fluids were related to carbonatite and syenite magmas.
应用推荐