norite
a granular igneous rock consisting of a mix of light and dark minerals, the former being calcic plagioclase feldspars, and the latter orthorhombic pyroxenes.
Origin of norite
1Other words from norite
- nor·it·ic [naw-rit-ik], /nɔˈrɪt ɪk/, adjective
Words Nearby norite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use norite in a sentence
In Canada great portions of the eastern portion of the Dominion are formed of gabbros, norite, anorthosite and allied rock types.
Near the ores there are likely to be granitic rocks, which, like the ores, seem to be segregations from the norite magma.
The Economic Aspect of Geology | C. K. LeithIn New York the emery deposits are segregations of aluminum and iron oxides in norite (a basic igneous rock).
The Economic Aspect of Geology | C. K. Leith
British Dictionary definitions for norite
/ (ˈnɔːraɪt) /
a variety of gabbro composed mainly of hypersthene and labradorite feldspar
Origin of norite
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for norite
[ nôr′īt ]
A coarse-grained igneous rock, very similar to gabbro but containing orthopyroxene instead of clinopyroxene.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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