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善卷洞的由来
更新时间: 2021-05-09 11:46:28  

1、卷洞的地质构造属古代石灰质地层的石灰岩,距今已有3500万年历史。早在二亿年前,这里是一片浩瀚无垠的浅海。

2、由于在海底沉积了大量的石灰质,经过漫长的岁月,这些石灰质逐步形成了一层层沉积着的石灰岩层,随着造山运动,海底上升为陆地,形成善卷洞。

关键词: 由来

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