Contortion Spur
Contortion Spur (80°25′S 160°9′E / 80.417°S 160.150°ECoordinates: 80°25′S 160°9′E / 80.417°S 160.150°E) is the largest and easternmost of three spurs which descend northwards from Mount Madison near the mouth of Byrd Glacier in Antarctica. The spur exposes a spectacular syncline of white marble and black schist. It was geologically mapped on December 10, 2000, by Edmund Stump of the United States Antarctic Program; he suggested the name because of the skewed form of the spur.
References
This article incorporates public domain material from the United States Geological Survey document "Contortion Spur" (content from the Geographic Names Information System).
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