The scientific tourist #146 — Delicate Arch

Should you ever drive out to Arches National Park in Utah, and should you be willing to hike an hour each way without shade, you can see Delicate Arch for yourself:

Delicate Arch

I took this shot just before sunset, so the colors are good (and the temperature not too high). Delicate Arch is definitely the best-known arch in the Park — and has even appeared on postage stamps and Utah’s state license plate. But it formed the same way as did the rest of the park’s arches, by erosion of a sandstone “fin” formed when salt domes forced large swaths of the local geology upward.

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