1·Fayalite-bearing quartz syenite could represent the early fractional stage initial granitic magma derived 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。
2·Yunnan Province is rich in aluminium mineral resources. Main minerals products can be divided into two types. That is, sedimentary bauxite and nepheline syenite.
云南的铝矿资源丰富，主要矿产分为沉积型铝土矿和霞石正长岩铝资源两大类。