在这“一线天”的嶂谷西侧，见到岩壁上有一条“白蟒”张着大口惟妙惟肖。其实它不是蟒蛇的化石，而是组成岩壁的白云岩中，由于燧石条带不规则分布，经风化后形成突出在岩壁上的一种拟态。
Boa-like pattern on cliff
On the west cliff of the narrow gorge, there is a vivid white boa-like pattern. Actually, it is not a real fossil boa, but the irregularly distributed chert bands on the dolomite cliff. After a long-term weathering, these chert bands look like a huge boa.
岩石遗迹：“蟒蛇出洞”
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转载自zhangboysp.iteye.com/blog/1966642
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