- any rock composed essentially, or in large part, of pyroxene of any kind.
Origin of pyroxenite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pyroxenite
Chromite is a common minor constituent of basic igneous rocks of the peridotite and pyroxenite type.The Economic Aspect of Geology
C. K. Leith
- a very dark coarse-grained ultrabasic rock consisting entirely of pyroxene minerals