trachyandesite meaning in Chinese

粗面安山岩

The upper cretaceous jingzhushan formation in the biru basin , xizang consists of a succession of coarse - grained elastic rocks in the alluvial fan - fan delta depositional system , intercalated with intermediate - acidic volcanic rocks including dacite , andesite , quartz trachyandesite and rhyolite
摘要上白垩统竞柱山组为一套冲积扇扇三角洲沉积体系的粗碎屑岩，间夹由英安岩、安山岩、石英粗安岩和流纹岩组成的中酸性火山岩。