岩石类型包括杏仁状玄武岩、粗玄岩、块状玄武岩、橄榄玄武岩和安山玄武岩，属碱性玄武岩系列。
The rock types include amygdaloidal basalt , dolerite , massive basalt , olivine basalt and andesite-basalt , which belong to the alkali basalt series .
杏仁状玄武岩