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Plucking

 
(′plək·iŋ)

(geology) A process of glacial erosion which involves the penetration of ice or rock wedges into subglacial niches, crevices, and joints in the bedrock; as the glacier moves, it plucks off pieces of jointed rock and incorporates them. Also known as glacial plucking; quarrying.


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Geography Dictionary: plucking
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The direct removal of loose bedrock by the impact of water or by incorporation into glacier ice. Since the tensile strength of ice is low, plucking generally occurs only when the rock is jointed and weathered. Some writers prefer to use the term quarrying rather than plucking.

Wikipedia: Plucking
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Pluck or plucking may refer to:


 
 

 

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Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.  Read more
Geography Dictionary. A Dictionary of Geography. Copyright © Susan Mayhew 1992, 1997, 2004. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Plucking" Read more