felsite造句
2024年04月28日 12:32:18
The extrusion of silica - rich lava, the Rooiberg
felsite, occurred on a grand scale.
富于 硅氧 的岩流及罗依山霏细岩的喷出作用占据了广大面积.
The ore bodies are confined to Yanshanian metamorphosed rhyolite porphyry and
felsite.
矿体赋存在燕山期变质流纹斑岩、霏细岩中.