How are natural stone arches formed?



  1. 0 Votes

    These arches were most likely formed from dissolution. For example, if the rock is limestone, which is made up of soluble minerals. Especially when it rains acid water, these minerals are more susceptible to reaction with the acid in the rainwater, which eventually leaves holes in the rocks. Once these holes get large enough, even wind could cause the poorly held together minerals to detach, and eventually form these arches, or holes, within the larger rock.

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