parting plane lineation

parting plane lineation

[′pärd·iŋ ¦plān ‚lin·ē‚ā·shən]
(geology)
A parting lineation on a laminated surface, consisting of subparallel, linear, shallow grooves and ridges of low relief, generally less than 1 millimeter.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.