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Polygon Spur : ウィキペディア英語版 | Polygon Spur Polygon Spur () is a broad, ice-free spur lying 2 nautical miles (3.7 km) southeast of Tillite Spur at the south end of the Wisconsin Plateau, Horlick Mountains in Antarctica. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1960-64. The name was proposed by John H. Mercer, United States Antarctic Research Program (USARP) geologist to these mountains, 1964–65, because the surface of the spur is covered by a network of unsorted polygons.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Polygon Spur」の詳細全文を読む
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