sedimentary differentiation

sedimentary differentiation

[¦sed·ə¦men·trē ‚dif·ə‚ren·chē′ā·shən]
(geology)
The progressive separation (by erosion and transportation) of a well-defined rock mass into physically and chemically unlike products that are resorted and deposited as sediments in more or less separate areas.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.