pyrometasomatism

pyrometasomatism

[¦pī·rō‚med·ə′sō·mə‚tiz·əm]
(petrology)
Forming of contact-metamorphic mineral deposits at high temperatures by emanations from the intrusive rock, involving replacement of the enclosing rock with the addition of materials.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.