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 of the United States Antarctic Program; he suggested the name because of the skewed form of the spur.
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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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