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Definition of "amphibolite" [amphibolite]

  • A metamorphic rock composed chiefly of amphibole with minor plagioclase and little quartz. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "amphibolite" in a sentence
  • "The rugged, steeply sloping mountains are composed of Precambrian amphibolite and gneiss."
  • "The amphibolite, a metamorphosed black volcanic rock, formed from lavas that spilled on the floor of a shallow sea, mixing with layers of mud, sand, and volcanic ash."
  • "The summits of Grünhorn and Finsteraarhorn are composed of green amphibolite, a very hard rock."
Words like "amphibolite"