Riegel

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riegel

[′rē·gəl]
(geology)
A low, traverse ridge of bedrock on the floor of a glacial valley. Also known as rock bar; threshold; verrou.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Riegel

 

a transverse ridge of bedrock on the floor of a glacial valley. A riegel forms when hard rock outcrops on the surface of the valley floor or when the valley is overdeepened by intensified glacial activity.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.