nephelinite
1. Right now, [the mountain is] switching back to nephelinite.
其二,研究小组分析表明,碳酸盐岩的喷发正处于结束阶段,“用不了多久,喷发物就会转化为霞石岩。”
2. olivine nephelinite
橄榄霞岩
3. sanidine nephelinite
透长霞岩