Chatter mark

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A Chatter mark is one or, more commonly, a series of marks made by vibratory chipping of a bedrock surface by rock fragments carried in the base of a glacier. Marks tend to be crescent-shaped and oriented at right angles to the direction of ice movement.

[edit] References

  • Dictionary of Geological Terms, Third Edition (1984). American Geological Institute Publications. Robert L. Bates and Julia A. Jackson, Editors.


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