arteritic migmatite

arteritic migmatite

[¦ard·ə¦rid·ik ′mig·mə‚tīt]
(geology)
Injection gneiss supposedly produced by introduction of pegmatite, granite, or aplite into schist parallel to the foliation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.