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18 November 2013

Monday Geology Picture: Painted Wall, Black Canyon, Gunnison National Park, Colorado

This week’s Monday Geology Picture shows the absolutely amazing “Painted Wall” of Black Canyon, which is located in Gunnison National Park in Colorado. The picture is courtesy of my friend Ray Hall. I’ve never been to Gunnison National Park, but the park is now high on my list of places I want to visit! The impressive wall consists of very old Precambrian gneiss and schist rock that is cut by …

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