Medial Moraine

medial moraine

[′mē·dē·əl mə′rān]
An elongate moraine carried in or upon the middle of a glacier and parallel to its sides.
A moraine formed by glacial abrasion of a rocky protuberance near the middle of a glacier.
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 It might be outdated or ideologically biased.

Medial Moraine


surface moraine forming a ridge along the axis of a glacier. It is formed from the merger of lateral moraines.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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Alternatively--and perhaps more probably, in view of related studies elsewhere (Muller, 1969; Copland et al., 2003)--Thompson Glacier may until recently have been in a state of "slow surge." Its sinuous medial moraines offer some support for this interpretation.

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