pumpellyite-prehnite-quartz facies

pumpellyite-prehnite-quartz facies

[¦pəm ′pel·ē‚īt ¦prā‚nīt ¦kwȯrts ′fā·shēz]
(petrology)
A variety of low-temperature, moderate-pressure metamorphism.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.