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16 December 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 …

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