Definition of nephelinite in English:


Syllabification: neph·e·lin·ite
Pronunciation: /ˈnefələˌnīt


  • A fine-grained basaltic rock containing nepheline in place of plagioclase feldspar.
    More example sentences
    • Geochemically, the pyroxene nephelinite is highly enriched in LILE compared with the first one.
    • Another New Zealand locality for this type of nephelinite is in the Auckland Domain.
    • The lava flows within the pyroclasts are composed of nephelinite and phonolite.

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