- a metamorphic rock composed mainly of amphibole and plagioclase.
Origin of amphibolite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for amphibolite
The specimen was taken from a pegmatite dike at its contact with an amphibolite.The Long Labrador Trail
The term is to some extent synonymous with “amphibolite” and “hornblende-schist.”
- a metamorphic rock consisting mainly of amphibole and plagioclase
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
- A metamorphic rock composed chiefly of amphibole and plagioclase and having little or no quartz.
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