phonolite / ˈfoʊn lˌaɪt /

🎓大学词汇辉绿岩辉钼矿辉绿石声波石

phonolite 的定义

n. 名词 noun
  1. a fine-grained volcanic rock composed chiefly of alkali feldspar and nepheline, some varieties of which split into pieces that ring on being struck.

更多phonolite例句

  1. (c.) Phonolite (Clinkstone) is a trachytic rock, composed essentially of sanidine, nepheline, and augite or hornblende.
  2. The rock is phonolite, and is divided into irregular columns.
  3. The Wolf Rock is composed of phonolite, and it occurs largely in Auvergne.
  4. At last we draw ourselves up a huge wedge of phonolite and find ourselves at the summit of the first peak.