石英安山岩 meaning in English
dacite
quartz andesite
quartzandesite
Examples
- They settle to the bottom of the chamber , leaving the remaining magma enriched in silica and aluminum ? from which dacites emerge
它们沉到岩浆库的底部，因此，剩馀的岩浆富含矽和铝，石英安山岩即从中生成。 - The bulk of the volcano is basaltic , but the slopes are dotted with cones and lava flows consisting of glassy , silica - rich lavas called dacites
此火山的主体是玄武岩，但是山坡却点缀著由石英安山岩（一种玻璃质、富含矽的熔岩）形成的熔岩锥和熔岩流。