glassy lava 中文意思是什麼
glassy lava
解釋
玻璃狀熔巖-
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
此火山的主體是玄武巖,但是山坡卻點綴著由石英安山巖(一種玻璃質、富含矽的熔巖)形成的熔巖錐和熔巖流。 -
A light, porous, glassy lava, used in solid form as an abrasive and in powdered form as a polish and an abrasive
輕石,浮石一種在固體狀時用作研磨物且粉狀時用作磨光物和研磨物的輕多孔火山巖
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