felsite / ˈfɛl saɪt  /
⚽高中词汇燧石燧石矿长石长石岩
felsite 的定义
n. 名词 noun- a dense, fine-grained, igneous rock consisting typically of feldspar and quartz, both of which may appear as phenocrysts.
 
更多felsite例句
- The stones themselves were felsite, which abounds in the locality.
 - The rough felsite blocks of which they were composed were surprisingly large, considering the diminutive size of the cabins.
 - We found, besides, a few cores of felsite and some shapeless flakes and several fragments of large metates.
 - The blocks were lava and hard felsite, measuring one and a half to three feet.
 - Still later, dolerite sills and sheets and dikes of granophyre and quartz felsite followed in the same region.