51Թ

Advertisement

Advertisement

nephelinite

[ nef-uh-luh-nahyt ]

noun

Petrography.
  1. a fine-grained, dark rock of volcanic origin, essentially a basalt containing nepheline but no feldspar and little or no olivine.

nephelinite

/ ˈɛɪɪˌԲɪ /

noun

  1. a fine-grained basic laval rock consisting of pyroxene and nepheline
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Discover More

Other 51Թ Forms

  • Ա···Ծ· [nef-, uh, -l, uh, -, nit, -ik], adjective
Discover More

51Թ History and Origins

Origin of nephelinite1

First recorded in 1860–65; nepheline + -ite 1
Discover More

Example Sentences

Examples have not been reviewed.

They are chiefly leucite and nepheline rocks, such as leucitite, leucitophyre and nephelinite, but basalt and trachyte also occur.

From

Advertisement

Advertisement

Advertisement

Advertisement

Browse

  • #
  • aa
  • bb
  • cc
  • dd
  • ee
  • ff
  • gg
  • hh
  • ii
  • jj
  • kk
  • ll
  • mm
  • nn
  • oo
  • pp
  • qq
  • rr
  • ss
  • tt
  • uu
  • vv
  • ww
  • xx
  • yy
  • zz