cataclastic metamorphism

cataclastic metamorphism

[¦kad·ə¦klas·tik ‚med·ə′mȯr‚fiz·əm]
(petrology)
Local metamorphism restricted to a region of faults and overthrusts involving purely mechanical forces resulting in cataclasis.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.