asymmetrical ripple mark

asymmetrical ripple mark

[¦ā·sə¦me·tri·kəl ′rip·əl ‚märk]
(geology)
The normal form of ripple mark, with short downstream slopes and comparatively long, gentle upstream slopes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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