Jiuzhaigou ignimbrite隆康熔结凝灰岩
ignimbrite eruption熔结凝灰岩喷发
ignimbrite e熔结凝灰岩
ignimbrite forming eruption造伊格尼姆岩喷发
N（名词） a rock formed by the deposition at high temperature and the consolidation of a nuée ardente or other type of ash flow, being a complicated mixture of volcanic materials welded together by heat, hot gases, and pressure 熔结凝灰岩 (Also called welded tuft)