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24 April 2012

Monday Geology Picture: K-T Boundary Exposure in Colorado

This week’s geology picture was sent to me by my friend Phil Plait aka “The Bad Astronomer.” This week’s picture– two pictures, actually– shows the famous K-T Boundary. Phil explains, I’ve attached the K/T pic. It was taken in Trinidad Park in southern Colorado, where the boundary is very distinct. It’s my hand in the 0731 picture. 🙂  0732 puts it in context. The rock above is limestone, and below …

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