Definition of nephelinite in English:

Share this entry


Pronunciation: /ˈnefələˌnīt/


A fine-grained basaltic rock containing nepheline in place of plagioclase feldspar.
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.

For editors and proofreaders

Syllabification: neph·e·lin·ite

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.