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第二天 2010.09.25 (星期六) 艷陽天
南達科塔之旅 第二天我們先去參觀 Mount Rushmore National Memorial 、Crazy Horse Memorial和 Custer State Park 的 Sylvan Lake 、 Needles Highway後,中午回到Rapid City用午餐,然後沿I-90號州際公路東行,接著下一個景點—惡地國家公園(Badlands National Park)。
Badlands National Park位在 South Dakota州的西南邊,佔地 244,000 英畝(98,743公頃) ,公園裡是大片冰河侵蝕而成的孤立圓錐形、尖塔形山丘,混雜著大片的草原,此地是美國列入生態保護的區域,乍看之下其地形有點像台灣的田寮月世界及草山月世界,但仔細觀察其地質是完全不同的。台灣月世界是由砂岩與頁岩所構成的青灰岩地形,稱為白堊土地形。這裡的地質去年在亞利桑那州的化石林國家公園(Petrified Forest National Park) 有些地段也看過,主要是冰河切割而成;整個北美地區早期均被海水覆蓋,沉積現象開始於六千九百萬年前,後來海平面慢慢撤退了,露出的陸地受到冰河的侵蝕、切割,慢慢形成現在的地貌。
我們是由I-90號州際公路Exit 131下交流道後沿SD-240公路南下,然後由Northeast Entrance進入公園,第一個景點就是Big Badlands Overlook。
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Big Badlands Overlook Area
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Door Trail、 Window Trail & Castle Trail Area
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Cliff Shelf Nature Trail Area
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Ben Reifel Visitor Center Area
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Saddle Pass Trail Area
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Fossil Exhibit Trail Area:一個北美洲最完整的化石群聚在此公園被發現,此地區的岩石和化石保留古代生態系統的完整資訊,提供現代科學家研究有關早期哺乳類動物的種類和活動。
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沿途景觀
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