eruptive sedimentary rock是什么意思

用法例句

A suit of spout-sedimentary rocks was discovered to occur above and beneath the ore body.

广西佛子冲矿区存在一套喷流沉积岩,一般赋存于矿体的上下盘,主要岩石类型有类矽卡岩、泥质条带状灰岩与硅质岩。