nephelinite

英['nefəlɪnaɪt] 美['nefəlɪnˌaɪt]
  • n. 霞岩
Noun:
  1. an igneous rock consisting of nepheline and pyroxene

1. According to the main rock-forming minerals in them, the Cenozoic volcanic rocks are mainly alkali olivine basalt, basanite and nephelinite.
郯庐断裂带中段的新生代火山岩以碱性系列的碱性橄榄玄武岩、碧玄岩和霞石岩为主,其中又以钠质亚系的岩石为主。

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2. According to the main rock-forming minerals in them, the Cenozoic volcanic rocks are mainly alkali olivine basalt, basanite and nephelinite.
郯庐断裂带中段的新生代火山岩以碱性系列的碱性橄榄玄武岩、碧玄岩和霞石岩为主,其中又以钠质亚系的岩石为主。

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