blueschist(redirected from Glaucophane Schist Facies)
A bluish schist that forms under conditions of high pressure and low temperature and often contains the mineral glaucophane.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.