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December 16, 2011
Friday Geology Picture: Red, Red Las Vegas Rocks
For the final picture in geology picture-a-day week here at Georneys, I’ve selected a landscape from Red Rock Canyon, Las Vegas. The canyon’s name originates from the color of fossilized sand dunes that have been oxidized, converting the Fe (iron) in the rock from a 2+ to 3+ charge, which changes the color of the sandstone from white-tan to bright, rusty red. Recently, Red Rock Canyon was in the news …
June 28, 2011
Dinosaur Bone Hunting with Nobel Laureates
Yesterday afternoon I went on a dinosaur bone hunting trip in Livingston, Montana with paleontologist Jack Horner. Okay, so we didn’t really go on a proper dinosaur bone hunting trip. Rather, we went on a short tour of a dinosaur digsite in Livingston, Montana. The digsite is in the Morrison Sandstone– a formation known for being a rich source of dinosaur bones– and is in a place where they have …
