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雅丹地貌

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雅丹地貌

雅丹地貌維吾爾語يارداڭ‎,拉丁维文:Yardang,意為有陡壁的小山包[1]),即風蝕脊,是一种典型的风蚀地貌,由一系列平行的垄脊和沟槽构成,顺盛行风方向延长;高半公尺至數公尺,长数十到数百公尺不等;沟宽1-2公尺;在新疆罗布泊东北发育很典型。由于风的磨蚀作用,小山包的下部往往遭受较强的剥蚀作用,并逐渐形成向裡凹的形态。如果小山包上部的岩层比较松散,在重力作用下就容易垮塌形成陡壁,形成雅丹地貌,有些地貌外观如同古城堡,俗称魔鬼城。

乌素特雅丹地质公园中被水侵蚀后的水上雅丹地貌

著名地點

[编辑]
  1. ^ 20: Qaidam Basin (PDF), Brochures, Beijing: China National Petroleum Corporation: 9, [2022-01-09], (原始内容存档于2021-04-23) .
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雅丹地貌
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