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November 25, 2013

Monday Geology Picture: Helicopter for Scale Beside Painted Wall, Black Canyon, Colorado

In last week’s “Monday Geology Picture” post I featured the incredible Painted Wall of Black Canyon in Gunnison National Park in Colorado. Last week’s picture was taken by my friend Ray Hall. After my post, fellow geoblogger Ron Schott sent me a link to an impressive GigaPan that he took of Painted Wall.¬†Well, last week I don’t think I quite appreciated the enormous scale of Painted Wall. I stated that …


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November 18, 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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December 13, 2011

Tuesday Geology Picture: A Gneiss Double Arch Bridge in Valle Verzasca

Since I’m too busy for regular blogging, this week is geology picture-a-day week here at Georneys. Several other geobloggers have also decided to join me in this blogging meme. Feel free to start today, even if you didn’t post a picture yesterday. Today’s geology picture is of a beautiful, old double arch bridge spanning the Verzasca River at Ponte dei Salti in Lavertezzo, Switzerland. The middle part of the bridge …


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