Let's start off the sharing with a fascinating article on the Colorado plateau.
http://www.nature.nps.gov/geology/education/foos/plateau.pdf
Very fascinating. Also has a nice little picture which discusses the age of various sedimentary rock formations in places such as the Grand canyon and the like..
http://www.nature.nps.gov/geology/education/foos/plateau.pdf
Very fascinating. Also has a nice little picture which discusses the age of various sedimentary rock formations in places such as the Grand canyon and the like..
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