orthoquartzite

名词 n.
中文释义
英 /ˌɔːθəʊˈkwɔːtˌsaɪt/    美 /ˌɔɹθoʊˈkwɔɹtˌsaɪt/

英文释义

名词 n.
  1. A very pure quartz sandstone composed of usually well rounded quartz grains cemented by silica. countable,uncountable
    — The contact with the Fountain is sharply defined, since they consist essentially of fine-grained red or pink to white sandstone, at time cemented to an orthoquartzite—a process still continuing.

词形变化

orthoquartzites plural

词源

From ortho- + quartzite.
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