protalus rampart
McGraw-Hill Science & Technology Dictionary:
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protalus rampart
(prō′tal·əs ′ram′pärt)
(geology) An arcuate ridge consisting of boulders and other coarse debris marking the downslope edge of an existing or melted snowbank.
Oxford Dictionary of Geography:
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protalus rampart
A thin ridge composed of rock fragments, running along the foot of a mountain face. Protalus ramparts are about a metre high and many metres long, and are thought to be produced from rock fragments which have slid over a snow surface.
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McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.
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