For this most recent blog assignment, I had the choice of discussing either limestone or sandstone, both common forms of sedimentary rock. However, since I have grown up in the south, I have decided to discuss the more exotic and foreign of the two, sandstone. Out west, especially in the desert Southwest, sandstone structures are very common. Some of the most incredible of these structures are the sandstone arches such as the ones in Utah's Arches National Park. Most of the sandstone in this area is derived from iron-rich red sand that, over time, has cemented into the structures seen today. Below is a picture of an arch, a link to an article about Arches National Park, and a video taken with a GoPro camera as people use "the world's largest rope swing" on an arch.
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| Arches National Park |
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