A surprising landscape in southwestern Wyoming, Boar’s Tusk is…

A surprising landscape in southwestern Wyoming, Boar’s Tusk is the remaining core of a long dormant volcanic eruption. Made of an uncommon rock called lamproite, the butte rises 400 feet above the sandy valley floor. It’s a distinct landmark for anyone, or anything, travelling through the area. Photo by Bob Wick, Bureau of Land Management (@mypubliclands).

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