我国的霞石正长岩资源非常丰富,自五十年代就开始对它进行研究。但由于工作时断时续,因此,资源优势一直没有转化为产品优势。一、我国霞石正长岩的特点我国的霞石正长岩可分两大类:一类是有色矿物含量高的,例如辽宁风城赛马岩体;另一类是有色矿物含量低的,例如 The nepheline syenite rock resources in our country are very rich and have been studied since the 1950s. However, due to intermittent work, therefore, resource advantages have not been transformed into product advantages. First, the characteristics of China’s nepheline syenite Nepheline syenite in China can be divided into two categories: one is the high content of non-ferrous minerals, such as Liaoning Fengcheng horse racing rock mass; the other is the low-colored mineral content, E.g